METER / GAUGE SYSTEM PROBLEM SYMPTOMS TABLE

Note


  • When replacing the combination meter assembly, make sure to replace it with a new one.

  • w/ Lane Departure Alert System:

    When replacing the lane departure warning camera, make sure to replace it with a new one.

  • Pre-crash System:

    When replacing the driving support ECU assembly, make sure to replace it with a new one.

  • Recognition code registration is necessary when replacing the main body ECU (multiplex network body ECU).

  • If the main body ECU (multiplex network body ECU) is replaced, refer to registration.

  • Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed.

Tech Tips


  • Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptom are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Meter Gauge
Symptom Suspected Area Link
Speedometer malfunction Refer to "Speedometer Malfunction"

Click here

Warning Light or Indicator Light
Symptom Suspected Area Link
Turn indicator light does not come on (Turn signal light operates normally) Perform Active Test [Turn Signal (Left) Indicator, Turn Signal (Right) Indicator]

Click here

Perform Data List [Turn Signal Switch (Right), Turn Signal Switch (Left)]

Click here

Combination meter assembly

Click here

FC coolant temperature receiver gauge malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Check indicator/warning light

Click here

Perform Active Test [Indicat. Lamp Coolant Hot]

Click here

Proceed to "Malfunction in Water Temperature Warning Light"

Click here

Combination meter assembly

Click here

FC control ECU

Click here

Rear fog indicator light malfunction (Rear fog light is normal) CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Perform Active Test [Indicat. Lamp Rr FOG]

Click here

Combination meter assembly

Click here

Main body ECU (multiplex network body ECU) (for LHD)

Click here

Main body ECU (multiplex network body ECU) (for RHD)

Click here

High beam indicator light does not come on (High beam headlight operates normally) CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Perform Active Test [Indicat. Lamp Beam]

Click here

Combination meter assembly

Click here

Main body ECU (multiplex network body ECU) (for LHD)

Click here

Main body ECU (multiplex network body ECU) (for RHD)

Click here

Automatic high beam indicator light does not come on*1 CAN communication system

Click here

Check indicator/warning light

Click here

Perform Active Test [Automatic High Beam Indicator]

Click here

Automatic high beam system

Click here

Combination meter assembly

Click here

Taillight indicator light malfunction (Taillight operates normally) CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Perform Active Test [Indicat. Lamp Tail]

Click here

Combination meter assembly

Click here

Main body ECU (multiplex network body ECU) (for LHD)

Click here

Main body ECU (multiplex network body ECU) (for RHD)

Click here

Driver seat belt warning light malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Perform Active Test [Driver Side Seat Belt]

Click here

Proceed to "Driver Side Seat Belt Warning Light does not Operate"

Click here

Combination meter assembly

Click here

Airbag ECU assembly

Click here

Main body ECU (multiplex network body ECU) (for LHD)

Click here

Main body ECU (multiplex network body ECU) (for RHD)

Click here

Front passenger side seat belt warning light malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Proceed to "Front Passenger Side Seat Belt Warning Light Malfunction"

Click here

Combination meter assembly

Click here

Main body ECU (multiplex network body ECU) (for LHD)

Click here

Main body ECU (multiplex network body ECU) (for RHD)

Click here

SRS warning light malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Check indicator/warning light

Click here

Perform Active Test [Indicat. Lamp Airbag]

Click here

Proceed to "SRS Warning Light Remains ON"

Click here

Proceed to "SRS Warning Light does not Come ON"

Click here

Combination meter assembly

Click here

Airbag ECU assembly

Click here

Master warning light (Other systems operate normally) Check indicator/warning light

Click here

Perform Active Test [Master Warning]

Click here

Combination meter assembly

Click here

Blind spot monitor warning light malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Blind spot monitor system

Click here

Blind spot monitor sensor RH

Click here

Combination meter assembly

Click here

EPS warning light malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Check indicator/warning light

Click here

Perform Active Test [Indicat. EPS]

Click here

Proceed to "Power Steering Warning Light Circuit"

Click here

Power steering ECU assembly

Click here

Combination meter assembly

Click here

Brake warning light malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Check indicator/warning light

Click here

Perform Active Test [Indicat. Lamp Brake]

Click here

Proceed to "Brake Warning Light Remains ON"

Click here

Brake booster with master cylinder assembly (skid control ECU) (for LHD)

Click here

Brake booster with master cylinder assembly (skid control ECU) (for RHD)

Click here

Combination meter assembly

Click here

Cruise control indicator light malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Perform Active Test [Indicat. Lamp Cruise]

Click here

Proceed to "Cruise Main Indicator Light Circuit"

Click here

Driving support ECU assembly (for LHD)

Click here

Driving support ECU assembly (for RHD)

Click here

Combination meter assembly

Click here

SET indicator light does not come on CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Perform Active Test [Indicat. SET]

Click here

Proceed to "Cruise SET Indicator Light Circuit"

Click here

Driving support ECU assembly (for LHD)

Click here

Driving support ECU assembly (for RHD)

Click here

Combination meter assembly

Click here

Cruise control indicator light (Constant speed control mode) malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Perform Active Test [Indicat. Radar Cruise]

Click here

Proceed to "Cruise Main Indicator Light Circuit"

Click here

Driving support ECU assembly (for LHD)

Click here

Driving support ECU assembly (for RHD)

Click here

Combination meter assembly

Click here

Cruise control indicator light (Vehicle-to-vehicle distance control mode) CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Perform Active Test [Indicat. Radar Cruise]

Click here

Proceed to "Cruise Main Indicator Light Circuit"

Click here

Driving support ECU assembly (for LHD)

Click here

Driving support ECU assembly (for RHD)

Click here

Combination meter assembly

Click here

Lane departure alert indicator light does not come on*1 CAN communication system

Click here

Perform Active Test [LDA Control indicator]

Click here

Proceed to "Indicator Circuit"

Click here

Lane departure warning camera

Click here

Combination meter assembly

Click here

EPB warning light does not come on CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Check indicator/warning light

Click here

Perform Active Test [Indicat. Park]

Click here

Combination meter assembly

Click here

Main body ECU (multiplex network body ECU) (for LHD)

Click here

Main body ECU (multiplex network body ECU) (for RHD)

Click here

Fuel level warning light does not come on CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Perform Active Test [Indicat. Fuel]

Click here

FC control system

Click here

FC control ECU

Click here

Combination meter assembly

Click here

ABS warning light malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Check indicator/warning light

Click here

Perform Active Test [Indicat. Lamp ABS]

Click here

Proceed to "ABS Warning Light Remains ON"

Click here

Proceed to "ABS Warning Light does not Come ON"

Click here

Brake booster with master cylinder assembly (skid control ECU) (for LHD)

Click here

Brake booster with master cylinder assembly (skid control ECU) (for RHD)

Click here

Combination meter assembly

Click here

Slip indicator light does not come on CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Check indicator/warning light

Click here

Perform Active Test [Indicat. Lamp Slip]

Click here

Proceed to "Slip Indicator Light Remains ON"

Click here

Proceed to "Slip Indicator Light does not Come ON"

Click here

Brake booster with master cylinder assembly (skid control ECU) (for LHD)

Click here

Brake booster with master cylinder assembly (skid control ECU) (for RHD)

Click here

Combination meter assembly

Click here

VSC OFF indicator light malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Check indicator/warning light

Click here

Perform Active Test [Indicat. VSC OFF]

Click here

Proceed to "VSC OFF Switch Circuit"

Click here

Brake booster with master cylinder assembly (skid control ECU) (for LHD)

Click here

Brake booster with master cylinder assembly (skid control ECU) (for RHD)

Click here

Combination meter assembly

Click here

Security indicator light malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Proceed to "Security Indicator Light Does not Blink "

Click here

Certification ECU (smart key ECU assembly) Refer to Service Bulletin
Combination meter assembly

Click here

PCS OFF indicator light malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Check indicator/warning light

Click here

Perform Active Test [Indicat. Precrash]

Click here

Pre-crash system

Click here

Combination meter assembly

Click here

Driving support ECU assembly (for LHD)

Click here

Driving support ECU assembly (for RHD)

Click here

Clearance sonar indicator light does not come on CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Perform Active Test [Indicat. INTUITIVE P/A LCD]

Click here

TOYOTA parking assist system

Click here

Combination meter assembly

Click here

Clearance warning ECU assembly (for LHD)

Click here

Clearance warning ECU assembly (for RHD)

Click here

Shift selection indicator light malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Electronic shift lever system

Click here

Perform Active Test [A/T Indicator Operation 1]

Click here

Combination meter assembly

Click here

EV control ECU

Click here

Br indicator light malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Electronic shift lever system

Click here

Combination meter assembly

Click here

EV control ECU

Click here

ECB warning light does not come on CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Check indicator/warning light

Click here

Perform Active Test [Indicat. Lamp ECB]

Click here

Proceed to "Brake Warning Light Remains ON"

Click here

Brake booster with master cylinder assembly (skid control ECU) (for LHD)

Click here

Brake booster with master cylinder assembly (skid control ECU) (for RHD)

Click here

Combination meter assembly

Click here

Ready warning light malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Hybrd control system

Click here

Combination meter assembly

Click here

EV control ECU

Click here

H2O indicator light malfunction Harness or connector -
Proceed to "FC Water Release Switch Circuit"

Click here

Combination meter assembly

Click here

EV control ECU

Click here

Hydrogen leak warning light malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Check indicator/warning light

Click here

Combination meter assembly

Click here

FC control ECU

Click here

Tire pressure warning light malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Check indicator/warning light

Click here

Perform Active Test [Indicat. Tire Pressure Warning System]

Click here

Proceed to "Tire Pressure Warning Light Circuit"

Click here

Combination meter assembly

Click here

Master warning light malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Check indicator/warning light

Click here

Perform Active Test [Master Warning]

Click here

Combination meter assembly

Click here

Airbag cut off switch position and passenger airbag ON/OFF indicator status do not match Trouble in Passenger Airbag ON/OFF Indicator

Click here


Multi-information Display
Symptom Suspected Area Link
"Opening" display malfunction Combination meter assembly

Click here

"Ending" display malfunction Combination meter assembly

Click here

Check customize parameters (ODO Display Time After IG OFF Setting) Proceed to "Malfunction in Water Temperature Warning Light"

Click here

"ODO/TRIP meter" display malfunction (Other meter functions are normal) Combination meter assembly

Click here

"TRIP A/TRIP B meter" display malfunction (Other meter functions are normal) Combination meter assembly

Click here

"Hydrogen fuel gauge" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

FC control system

Click here

FC control ECU

Click here

Combination meter assembly

Click here

Sub screen FC system indicator display malfunction (Other meter functions are normal) Combination meter assembly

Click here

Check customize parameters (ODO Display Time After IG OFF Setting) Proceed to "Malfunction in Water Temperature Warning Light"

Click here

Sub screen power meter display malfunction (Other meter functions are normal) Combination meter assembly

Click here

Sub screen instantaneous fuel consumption display malfunction (Other meter functions are normal) Combination meter assembly

Click here

Sub screen SOC display malfunction (Other meter functions are normal) Combination meter assembly

Click here

"Door open warning light" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Combination meter assembly

Click here

Main body ECU (multiplex network body ECU) (for LHD)

Click here

Main body ECU (multiplex network body ECU) (for RHD)

Click here

"Outside temp" display malfunction*A Proceed to "Ambient Temperature Display System"

Click here

"Distance (Range)" display malfunction (Other meter functions are normal) Combination meter assembly

Click here

"Speedometer" display malfunction (Other meter functions are normal) Combination meter assembly

Click here

FC system indicator (traveling) display malfunction (Other meter functions are normal) CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Hybrid control system

Click here

EV control ECU

Click here

Proceed to "HV System Indicator Malfunction"

Click here

Combination meter assembly

Click here

FC system indicator (stationary) display malfunction (Other meter functions are normal) CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Hybrid control system

Click here

EV control ECU

Click here

Proceed to "HV System Indicator Malfunction"

Click here

Combination meter assembly

Click here

"1 minute fuel consumption" display malfunction (Other meter functions are normal) Combination meter assembly

Click here

"5 minute fuel consumption" display malfunction (Other meter functions are normal) Combination meter assembly

Click here

"Monthly minute fuel consumption" display malfunction (Other meter functions are normal) Combination meter assembly

Click here

"ECO wallet" display malfunction (Other meter functions are normal) Combination meter assembly

Click here

"Drive monitor" display malfunction (Other meter functions are normal) Combination meter assembly

Click here

"ECO diary daily history" display malfunction (Other meter functions are normal) Combination meter assembly

Click here

"ECO diary monthly history" display malfunction (Other meter functions are normal) Combination meter assembly

Click here

"Power meter" display malfunction (Other meter functions are normal) CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Hybrid control system

Click here

Combination meter assembly

Click here

EV control ECU

Click here

"Energy monitor" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Hybrid control system

Click here

FC control ECU

Click here

Combination meter assembly

Click here

EV control ECU

Click here

FC control system

Click here

"Radar cruise control / lane departure alert displayed tab" display malfunction*1 Combination meter assembly

Click here

Driving support ECU assembly

Click here

Lane departure warning camera

Click here

"Message tab" display malfunction (Other system functions are normal) Combination meter assembly

Click here

"Setting tab" display malfunction Combination meter assembly

Click here

"2WD MAINTENANCE MODE" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Hybrid control system

Click here

Combination meter assembly

Click here

EV control ECU

Click here

"2WD CERTIFICATION MODE" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Hybrid control system

Click here

Combination meter assembly

Click here

EV control ECU

Click here

"Push and Hold Power Switch for Emergency Stop" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Entry and start system (for Entry Function)

Click here

Entry and start system (for Start Function)

Click here

Combination meter assembly

Click here

Certification ECU (smart key ECU assembly) Refer to Service Bulletin
"Shift to N and Press Power Switch to Restart" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Entry and start system (for Entry Function)

Click here

Entry and start system (for Start Function)

Click here

Combination meter assembly

Click here

Certification ECU (smart key ECU assembly) Refer to Service Bulletin
"Power Turned OFF to Save Battery" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Combination meter assembly

Click here

Certification ECU (smart key ECU assembly) Refer to Service Bulletin
"Key not Detected Check Key Location" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Entry and start system (for Entry Function)

Click here

Entry and start system (for Start Function)

Click here

Combination meter assembly

Click here

Certification ECU (smart key ECU assembly) Refer to Service Bulletin
"Smart Entry & Start System Malfunction See Owner's Manual" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Entry and start system (for Entry Function)

Click here

Entry and start system (for Start Function)

Click here

Combination meter assembly

Click here

Certification ECU (smart key ECU assembly) Refer to Service Bulletin
"Turn OFF Vehicle" display malfunction CAN communication system (for RHD)

Click here

CAN communication system (for RHD)

Click here

Entry and start system (for Entry Function)

Click here

Combination meter assembly

Click here

Certification ECU (smart key ECU assembly) Refer to Service Bulletin
"Key Detected in Vehicle" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Entry and start system (for Entry Function)

Click here

Combination meter assembly

Click here

Certification ECU (smart key ECU assembly) Refer to Service Bulletin
"Press Brake Pedal, Touch Power Switch with Key" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Entry and start system (for Entry Function)

Click here

Combination meter assembly

Click here

Certification ECU (smart key ECU assembly) Refer to Service Bulletin
"Press Brake Pedal and Push Power Switch to Start" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Entry and start system (for Entry Function)

Click here

Combination meter assembly

Click here

Certification ECU (smart key ECU assembly) Refer to Service Bulletin
"Key Battery Low" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Entry and start system (for Entry Function)

Click here

Combination meter assembly

Click here

Certification ECU (smart key ECU assembly) Refer to Service Bulletin
"Steering Wheel Lock Press Power Switch while Turning Wheel" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Combination meter assembly

Click here

Certification ECU (smart key ECU assembly) Refer to Service Bulletin
"Release Accelerator" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Hybrid control system

Click here

Combination meter assembly

Click here

EV control ECU

Click here

"Shift is in N Release Accelerator Before Shifting" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Hybrid control system

Click here

Combination meter assembly

Click here

EV control ECU

Click here

"Accelerator Pedal is Pressed Check The Accelerator Pedal" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Hybrid control system

Click here

Combination meter assembly

Click here

EV control ECU

Click here

"Press Brake When Vehicle is Stopped FC System may Overheat" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Hybrid control system

Click here

Combination meter assembly

Click here

EV control ECU

Click here

"Drive-Start Control Malfunction Visit Your Dealer" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Hybrid control system

Click here

Combination meter assembly

Click here

EV control ECU

Click here

"Brake Override Malfunction Visit Your Dealer" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Hybrid control system

Click here

Combination meter assembly

Click here

EV control ECU

Click here

"Accelerator and Brake Pedals Pressed Simultaneously" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Hybrid control system

Click here

Combination meter assembly

Click here

EV control ECU

Click here

"High FC Temperature Reduced Power" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Hybrid control system

Click here

Combination meter assembly

Click here

EV control ECU

Click here

"TRC OFF" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Electronically controlled brake system

Click here

Combination meter assembly

Click here

Brake booster with master cylinder assembly (skid control ECU) (for LHD)

Click here

Brake booster with master cylinder assembly (skid control ECU) (for RHD)

Click here

"Release Parking Brake" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Combination meter assembly

Click here

Main body ECU (multiplex network body ECU) (for LHD)

Click here

Main body ECU (multiplex network body ECU) (for RHD)

Click here

"Power Steering Malfunction Steering Power Low Visit Your Dealer" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Power steering system

Click here

Combination meter assembly

Click here

Power steering ECU assembly

Click here

"Steering Power Low Visit Your Dealer" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Power steering system

Click here

Combination meter assembly

Click here

Power steering ECU assembly

Click here

"Power Steering Malfunction Visit Your Dealer" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Power steering system

Click here

Combination meter assembly

Click here

Power steering ECU assembly

Click here

"FC System Stopped Steering Power Low" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Power steering system

Click here

Combination meter assembly

Click here

Power steering ECU assembly

Click here

"Headlight System Malfunction Visit Your Dealer" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Lighting system

Click here

Automatic high beam system*1

Click here

Automatic headlight beam level control system

Click here

Combination meter assembly

Click here

Main body ECU (multiplex network body ECU) (for LHD)

Click here

Main body ECU (multiplex network body ECU) (for RHD)

Click here

"To Activate Auto High Beam, Switch Headlights to High Beam" display malfunction*1 CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Automatic high beam system

Click here

Combination meter assembly

Click here

Main body ECU (multiplex network body ECU) (for LHD)

Click here

Main body ECU (multiplex network body ECU) (for RHD)

Click here

"Pre-Crash System Alert" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Pre-crash system

Click here

Combination meter assembly

Click here

Driving support ECU assembly (for LHD)

Click here

Driving support ECU assembly (for RHD)

Click here

"BRAKE !" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Pre-crash system

Click here

Combination meter assembly

Click here

Driving support ECU assembly (for LHD)

Click here

Driving support ECU assembly (for RHD)

Click here

"Pre-Crash Brake is Disabled due to VSC OFF" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Pre-crash system

Click here

Combination meter assembly

Click here

Driving support ECU assembly (for LHD)

Click here

Driving support ECU assembly (for RHD)

Click here

"Pre-Crash System Malfunction Visit Your Dealer" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Pre-crash system

Click here

Combination meter assembly

Click here

Driving support ECU assembly (for LHD)

Click here

Driving support ECU assembly (for RHD)

Click here

"Pre-Crash System Unavailable" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Pre-crash system

Click here

Combination meter assembly

Click here

Driving support ECU assembly (for LHD)

Click here

Driving support ECU assembly (for RHD)

Click here

"Pre-Crash System Turned OFF" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Pre-crash system

Click here

Combination meter assembly

Click here

Driving support ECU assembly (for LHD)

Click here

Driving support ECU assembly (for RHD)

Click here

"ADJUSTING LDA CAMERA" display malfunction*1 CAN communication system

Click here

Lane departure alert system

Click here

Combination meter assembly

Click here

Lane departure warning camera

Click here

Lane departure alert display is not displayed*1 CAN communication system

Click here

Lane departure alert system

Click here

Combination meter assembly

Click here

Lane departure warning camera

Click here

"Lane Departure Alert Unavailable Camera Overheated" display malfunction*1 CAN communication system

Click here

Lane departure alert system

Click here

Combination meter assembly

Click here

Lane departure warning camera

Click here

"Lane Departure Alert System is Unavailable Below Approx. 50 km/h." display malfunction*1 CAN communication system

Click here

Lane departure alert system

Click here

Combination meter assembly

Click here

Lane departure warning camera

Click here

"ADJUSTING FRONT RADAR BEAM" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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Dynamic radar cruise control system

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Combination meter assembly

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Driving support ECU assembly (for LHD)

Click here

Driving support ECU assembly (for RHD)

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"CHECKING CRUISE CONTROL C/D" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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Dynamic radar cruise control system

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Combination meter assembly

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Driving support ECU assembly (for LHD)

Click here

Driving support ECU assembly (for RHD)

Click here

"CHECKING CRUISE CONTROL BRAKE" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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Dynamic radar cruise control system

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Combination meter assembly

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Driving support ECU assembly (for LHD)

Click here

Driving support ECU assembly (for RHD)

Click here

"Low Residual Fuel Power Reduced" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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FC control system

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Combination meter assembly

Click here

FC control ECU

Click here

"Radar Cruise Control Unavailable Clean Sensor" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Dynamic radar cruise control system

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Combination meter assembly

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Driving support ECU assembly (for LHD)

Click here

Driving support ECU assembly (for RHD)

Click here

"Radar Cruise Control Unavailable" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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Dynamic radar cruise control system

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Combination meter assembly

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Driving support ECU assembly (for LHD)

Click here

Driving support ECU assembly (for RHD)

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"Cruise Control Malfunction Visit Your Dealer" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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Dynamic radar cruise control system

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Combination meter assembly

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Driving support ECU assembly (for LHD)

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Driving support ECU assembly (for RHD)

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TOYOTA Parking Assist display is not displayed CAN communication system (for LHD)

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CAN communication system (for RHD)

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TOYOTA parking assist system

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Combination meter assembly

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Clearance warning ECU assembly (for LHD)

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Clearance warning ECU assembly (for RHD)

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"Parking Assist Malfunction" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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TOYOTA parking assist system

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Combination meter assembly

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Clearance warning ECU assembly (for LHD)

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Clearance warning ECU assembly (for RHD)

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"Clean Parking Assist Sensor" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

Click here

TOYOTA parking assist system

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Combination meter assembly

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Clearance warning ECU assembly (for LHD)

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Clearance warning ECU assembly (for RHD)

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"Parking Assist Malfunction Visit Your Dealer" display malfunction (Other meter functions are normal) CAN communication system (for LHD)

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CAN communication system (for RHD)

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TOYOTA parking assist system

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Combination meter assembly

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Clearance warning ECU assembly (for LHD)

Click here

Clearance warning ECU assembly (for RHD)

Click here

"Blind Spot Monitor Unavailable" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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Blind spot monitor system

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Combination meter assembly

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Blind spot monitor sensor RH

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"Blind Spot Monitor System Malfunction Visit Your Dealer" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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Blind spot monitor system

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Combination meter assembly

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Blind spot monitor sensor RH

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"Window Opened" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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Power window control system

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Combination meter assembly

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Main body ECU (multiplex network body ECU) (for LHD)

Click here

Main body ECU (multiplex network body ECU) (for RHD)

Click here

"Check Brake System" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Electronically controlled brake system

Click here

Combination meter assembly

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Brake booster with master cylinder assembly (skid control ECU) (for LHD)

Click here

Brake booster with master cylinder assembly (skid control ECU) (for RHD)

Click here

"Shift to P Position to Start" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

Click here

Entry and start system (for Entry Function)

Click here

Entry and start system (for Start Function)

Click here

Combination meter assembly

Click here

Certification ECU (smart key ECU assembly) Refer to Service Bulletin
"Shift to P Before Exiting Vehicle" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Entry and start system (for Entry Function)

Click here

Entry and start system (for Start Function)

Click here

Combination meter assembly

Click here

Certification ECU (smart key ECU assembly) Refer to Service Bulletin
"Power ON" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

Click here

Entry and start system (for Entry Function)

Click here

Entry and start system (for Start Function)

Click here

Combination meter assembly

Click here

Certification ECU (smart key ECU assembly) Refer to Service Bulletin
"Shifting Temporarily Unavailable Wait a Moment and Try Again" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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Hybrid control system

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Combination meter assembly

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EV control ECU

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"Shifted to [N] Position Shift to [D] once, then Shift to [Br]" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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Hybrid control system

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Combination meter assembly

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EV control ECU

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"Shifting to [D] or [R] Position Unavailable Try to Shift after FC System has Started" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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Hybrid control system

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Combination meter assembly

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EV control ECU

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"Shifting to [Br] Mode Unavailable Shift to [D] once, then Shift to [Br]" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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Hybrid control system

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Combination meter assembly

Click here

EV control ECU

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"Shifted to [N] Position Stop Your Vehicle before Shifting to [D]" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

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Hybrid control system

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Combination meter assembly

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EV control ECU

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"Shifted to [N] Position Stop Your Vehicle before Shifting to [R]" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

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Hybrid control system

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Combination meter assembly

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EV control ECU

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"Shifted to [N]Position To Shift to [P], Stop Your Vehicle and Press [P] Switch" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

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Hybrid control system

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Combination meter assembly

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EV control ECU

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"Insufficient Aux Battery Charge When Parking, Apply Parking Brake Securely then See Owner's Manual" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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Electronic shift lever system

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Combination meter assembly

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Transmission control ECU assembly

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"Insufficient Aux Battery Charge Shift is Unavailable See Owner's Manual" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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Hybrid control system

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Combination meter assembly

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EV control ECU

Click here

"Shift System Malfunction When Parking, Apply Parking Brake Securely then See Owner's Manual" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

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Electronic shift lever system

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Combination meter assembly

Click here

Transmission control ECU assembly

Click here

"Shift System Malfunction See Owner's Manual" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

Click here

Electronic shift lever system

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Combination meter assembly

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Transmission control ECU assembly

Click here

"Shift System Malfunction Stop Your Vehicle in a Safe Place then See Owner's Manual" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Hybrid control system

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Combination meter assembly

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EV control ECU

Click here

"[P] Switch Malfunction When Parking, Apply Parking Brake Securely then See Owner's Manual" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Electronic shift lever system

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Combination meter assembly

Click here

Transmission control ECU assembly

Click here

"Shift System Malfunction When Parking, Apply Parking Brake Securely then See Owner's Manual" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Hybrid control system

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Combination meter assembly

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EV control ECU

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"Cruise Control Unable to Keep Constant Speed Press Brake to Deactivate and Control Speed" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

Click here

Dynamic radar cruise control system

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Combination meter assembly

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Driving support ECU assembly (for LHD)

Click here

Driving support ECU assembly (for RHD)

Click here

"Close H2 Filler Door and Restart Your Vehicle" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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FC control system

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Combination meter assembly

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EV control ECU

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"Open H2 Filler Door in a Safe Place when Vehicle is Powered OFF" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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FC control system

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Combination meter assembly

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EV control ECU

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"H2 Filler Door is open.Park Your Vehicle in a Safe Place and Close H2 Filler Door" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

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FC control system

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Combination meter assembly

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Hydrogen fuel control ECU assembly

Click here

EV control ECU

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"Hydrogen Leakage Detected Visit Your Dealer" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

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FC control system

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Combination meter assembly

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FC control ECU

Click here

"FC System Shutdown due to Hydrogen Leakage Stop Your Vehicle in a Safe Place and Contact Your Dealer" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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FC control system

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Combination meter assembly

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FC control ECU

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"Hydrogen Sensor Malfunction Visit Your Dealer" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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FC control system

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Combination meter assembly

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FC control ECU

Click here

"To Start FC System or Shift from [P] Position, Close Fuel Filler Door" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

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Hybrid control system

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Combination meter assembly

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EV control ECU

Click here

"FC System Shutdown due to Freezing conditions. Stop Your Vehicle in a Safe Place and Contact Your Dealer" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

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FC control system

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Hybrid control system

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Combination meter assembly

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FC control ECU

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EV control ECU

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"Ion Filter Maintenance Required Visit Your Dealer" display malfunction Combination meter assembly

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"Water Release Completed" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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Hybrid control system

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Combination meter assembly

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EV control ECU

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"FC System Malfunction Visit Your Dealer" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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FC control system

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Hybrid control system

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Combination meter assembly

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EV control ECU

Click here

"FC System Malfunction Stop in a Safe Place Contact Your Dealer" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

FC control system

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Hybrid control system

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Combination meter assembly

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EV control ECU

Click here

"Shifting Unavailable When READY Indicator is Flashing" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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Hybrid control system

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Combination meter assembly

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EV control ECU

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"Br Mode is Unavailable" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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Hybrid control system

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Combination meter assembly

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EV control ECU

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"FC System Malfunction Visit Your Dealer" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

Click here

FC control system

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Hybrid control system

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Combination meter assembly

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EV control ECU

Click here

"FC System Check in Progress" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

Click here

FC control system

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Hybrid control system

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Combination meter assembly

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EV control ECU

Click here

"FC System Check Completed" display malfunction CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

FC control system

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Hybrid control system

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Combination meter assembly

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EV control ECU

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"Maintenance Required for Hybrid Battery Cooling Parts at Your Dealer" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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Hybrid control system

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Combination meter assembly

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EV control ECU

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"High FC Temperature Reduced Power" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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FC control system

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Hybrid control system

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Combination meter assembly

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EV control ECU

Click here

"Check Charging System" display malfunction CAN communication system (for LHD)

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CAN communication system (for RHD)

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Charging system

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Combination meter assembly

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EV control ECU

Click here

Dead pixels on multi-information display Perform Active Test [Meter Display 1]

Click here

Combination meter assembly

Click here

Multi-information display customize setting does not operate Combination meter assembly

Click here


Tech Tips

*A: Items for consideration regarding ambient temperature display value
  • The display value of the ambient temperature around the sensor changes due to the effects of heat radiated from the motor room and vehicle speed.

Buzzer
Symptom Suspected Area Link
All buzzers do not operate normally Combination meter assembly

Click here

Reverse warning Perform Active Test [A/T Indicator Operation 1]

Click here

Combination meter assembly

Click here

EV control ECU

Click here

Shift reject buzzer does not operate Hybrid control system

Click here

Combination meter assembly

Click here

EV control ECU

Click here

Door opened without shifting to P buzzer malfunction Hybrid control system

Click here

Combination meter assembly

Click here

EV control ECU

Click here

Seat belt warning (for driver side/for front passenger side) buzzer malfunction (Seat belt warning light operation is normal) Check customize parameters (Driver Side Seatbelt Warning Buzzer/(Front Passenger Side Seatbelt Warning Buzzer) -
Combination meter assembly

Click here

Immobiliser key identification completion buzzer malfunction Immobiliser system

Click here

Combination meter assembly

Click here

Certification ECU (smart key ECU assembly) Refer to Service Bulletin
Smart access system with push-button start warning buzzer does not operate Entry and start system (for Entry Function)

Click here

Entry and start system (for Start Function)

Click here

Combination meter assembly

Click here

Certification ECU (smart key ECU assembly) Refer to Service Bulletin
Power switch operation while driving warning buzzer does not operate Entry and start system (for Entry Function)

Click here

Entry and start system (for Start Function)

Click here

Combination meter assembly

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Certification ECU (smart key ECU assembly) Refer to Service Bulletin
Restart while driving notification buzzer does not operate Entry and start system (for Entry Function)

Click here

Entry and start system (for Start Function)

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Combination meter assembly

Click here

Certification ECU (smart key ECU assembly) Refer to Service Bulletin
Vehicle roll-away notification buzzer malfunction (Speedometer and tachometer operate normally) Combination meter assembly

Click here

EV control ECU

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Driving with door ajar warning buzzer does not operate (Open door warning light and speedometer operate normally) Combination meter assembly

Click here

PKB-ON driving warning buzzer does not operate (Brake warning light and speedometer operate normally) Combination meter assembly

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EPS warning buzzer does not operate (Power steering system operates normally) Combination meter assembly

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Radar cruise control low speed cancel buzzer does not operate Dynamic radar cruise control system

Click here

Combination meter assembly

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Driving support ECU assembly (for LHD)

Click here

Driving support ECU assembly (for RHD)

Click here

Multi-information display warning buzzer does not operate Combination meter assembly

Click here

Flasher buzzer does not operate (Turn indicator light normally) Check customize setting

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Combination meter assembly

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Vehicle stability control sideways sliding warning buzzer does not operate Electronically controlled brake system

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Combination meter assembly

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Brake booster with master cylinder assembly (skid control ECU) (for LHD)

Click here

Brake booster with master cylinder assembly (skid control ECU) (for RHD)

Click here

Brake system low braking force warning buzzer does not operate Electronically controlled brake system

Click here

Combination meter assembly

Click here

Brake booster with master cylinder assembly (skid control ECU) (for LHD)

Click here

Brake booster with master cylinder assembly (skid control ECU) (for RHD)

Click here

Brake fluid low warning buzzer does not operate (Brake warning light and speedometer operate normally) Combination meter assembly

Click here

Brake system temperature rise / active test buzzer does not operate Electronically controlled brake system

Click here

Combination meter assembly

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Brake booster with master cylinder assembly (skid control ECU) (for LHD)

Click here

Brake booster with master cylinder assembly (skid control ECU) (for RHD)

Click here

Temperature warning/CRAWL cancel warning buzzer does not operate Electronically controlled brake system

Click here

Combination meter assembly

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Brake booster with master cylinder assembly (skid control ECU) (for LHD)

Click here

Brake booster with master cylinder assembly (skid control ECU) (for RHD)

Click here

Low fuel warning buzzer malfunction (Fuel receiver gauge operation is normal) FC control system

Click here

Combination meter assembly

Click here

FC control ECU

Click here

Light reminder warning buzzer does not operate Lighting system

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Combination meter assembly

Click here

Main body ECU (multiplex network body ECU) (for LHD)

Click here

Main body ECU (multiplex network body ECU) (for RHD)

Click here

Lane departure warning buzzer does not operate*1 Lane departure alert system

Click here

Combination meter assembly

Click here

Lane departure warning camera

Click here

READY buzzer does not operate Hybrid control system

Click here

Combination meter assembly

Click here

EV control ECU

Click here

EV reject buzzer malfunction Hybrid control system

Click here

Combination meter assembly

Click here

EV control ECU

Click here

Shift to P position request buzzer malfunction Hybrid control system

Click here

Combination meter assembly

Click here

EV control ECU

Click here

Depress the accelerator pedal with shift position N buzzer malfunction Hybrid control system

Click here

Combination meter assembly

Click here

EV control ECU

Click here

Hybrid control system warning (sounds intermittently) buzzer malfunction Hybrid control system

Click here

Combination meter assembly

Click here

EV control ECU

Click here

EV battery low voltage buzzer malfunction Hybrid control system

Click here

Combination meter assembly

Click here

EV control ECU

Click here

EV unit excessive heat notification buzzer malfunction Hybrid control system

Click here

Combination meter assembly

Click here

EV control ECU

Click here

Tow prohibition buzzer malfunction Hybrid control system

Click here

Combination meter assembly

Click here

EV control ECU

Click here

Accelerator hold warning buzzer malfunction Hybrid control system

Click here

Combination meter assembly

Click here

EV control ECU

Click here

Power window / sliding roof warning buzzer malfunction Lane departure alert system*1

Click here

Driving support ECU assembly

Click here

Combination meter assembly

Click here

Lane departure warning camera

Click here

Cruise control brake force limitation buzzer malfunction Dynamic radar cruise control system

Click here

Driving support ECU assembly (for LHD)

Click here

Driving support ECU assembly (for RHD)

Click here

Combination meter assembly

Click here

Hydrogen leak warning light buzzer malfunction FC control system

Click here

FC control ECU

Click here

Combination meter assembly

Click here

FC ion exchanger maintenance warning buzzer malfunction Combination meter assembly

Click here

Fuel lid interlock actuation buzzer malfunction FC control system

Click here

EV control ECU

Click here

Combination meter assembly

Click here

Fuel lid opening prohibition buzzer malfunction FC control system

Click here

EV control ECU

Click here

Combination meter assembly

Click here

Fuel lid open signal buzzer malfunction FC control system

Click here

EV control ECU

Click here

Combination meter assembly

Click here

FC system fail-safe warning buzzer malfunction FC control system

Click here

EV control ECU

Click here

Combination meter assembly

Click here

Water release in process buzzer malfunction FC control system

Click here

EV control ECU

Click here

Combination meter assembly

Click here

Br-mode display request buzzer malfunction FC control system

Click here

EV control ECU

Click here

Combination meter assembly

Click here

Vehicle long-time unused warning buzzer malfunction FC control system

Click here

EV control ECU

Click here

Combination meter assembly

Click here

FC system frozen buzzer malfunction FC control system

Click here

Hybrid control system

Click here

Combination meter assembly

Click here

FC control ECU

Click here

EV control ECU

Click here


Others
Symptom Suspected Area Link
"Diagnostic trouble code" display malfunction Combination meter assembly

Click here

Operating light control rheostat does not change light brightness Refer to "Operating Light Control Rheostat does not Change Light Brightness"

Click here

Meter illumination is always dark CAN communication system (for LHD)

Click here

CAN communication system (for RHD)

Click here

Lighting system

Click here

Combination meter assembly

Click here

Main body ECU (multiplex network body ECU) (for LHD)

Click here

Main body ECU (multiplex network body ECU) (for RHD)

Click here

Multi-information display does not change using steering pad switch assembly Perform Active Test [Multi Switch (Up), Multi Switch (Down), Multi Switch (Menu), Multi Switch (Enter), Multi Switch (Right), Multi Switch (Left)]

Click here

Steering pad switch assembly

Click here

Spiral cable with sensor sub-assembly

Click here

Harness or connector -
Combination meter assembly

Click here