METER / GAUGE SYSTEM PROBLEM SYMPTOMS TABLE
Note
Before replacing the certification ECU, refer to the Service Bulletin.
Tech Tips
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Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms 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.
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Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | See page |
|---|---|---|
| Speedometer malfunction | Speedometer circuit | |
| Tachometer malfunction | Tachometer circuit | |
| Engine coolant temperature receiver gauge malfunction | Engine coolant temperature receiver gauge circuit | |
| Hybrid system indicator malfunction | Hybrid system indicator circuit |
| Symptom | Suspected Area | See page |
|---|---|---|
| Turn indicator light does not come on (Turn signal light operates normally) | No. 1 meter ECU | |
| Front fog indicator light does not come on (Front fog light operates normally) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Perform Active Test (Indicat. Lamp Fr FOG) | ||
| No. 1 meter ECU | ||
| Main body ECU (driver side junction block) | - | |
| Rear fog indicator light does not come on (Rear fog light operates normally) (w/ Rear Fog Light) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Perform Active Test (Indicat. Lamp Rr FOG) | ||
| No. 1 meter ECU | ||
| Main body ECU (driver side junction block) | - | |
| High beam indicator light does not come on (High beam headlight operates normally) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Perform Active Test (Indicat. Lamp Beam) | ||
| No. 1 meter ECU | ||
| Main body ECU (driver side junction block) | - | |
| Taillight indicator light does not come on (Taillight operates normally) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Perform Active Test (Indicat. Lamp Tail) | ||
| No. 1 meter ECU | ||
| Main body ECU (driver side junction block) | - | |
| Open door warning light does not come on (Courtesy light switch operates normally) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Perform Active Test (Indicat. Lamp Doors All Open) | ||
| No. 1 meter ECU | ||
| Main body ECU (driver side junction block) | - | |
| Front seat belt warning light does not come on | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Perform Active Test (Driver Side Seat Belt or Front Passenger Side Seat Belt) | ||
| Seat belt warning system | ||
| No. 1 meter ECU | ||
| SRS warning light does not come on | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Check indicator/warning light | ||
| Perform Active Test (Indicat. Lamp Airbag) | ||
| Airbag system | ||
| No. 1 meter ECU | ||
| Master warning light does not come on | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Check indicator/warning light | ||
| Perform Active Test (Master Warning) | ||
| No. 1 meter ECU | ||
| MIL does not come on | Check indicator/warning light | |
| SFI system | ||
| No. 1 meter ECU | ||
| Charge warning light does not come on | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Check indicator/warning light | ||
| Perform Active Test (Indicat. Lamp Charge) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| EPS warning light does not come on | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Check indicator/warning light | ||
| Perform Active Test (Indicat. EPS) | ||
| Power steering system | ||
| No. 1 meter ECU | ||
| Brake warning light does not come on | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Check indicator/warning light | ||
| Perform Active Test (Indicat. Lamp Brake or Indicat. Lamp ECB*) | ||
| Electronically controlled brake system | ||
| No. 1 meter ECU | ||
| Parking brake warning light does not come on | Check indicator/warning light | |
| Perform Active Test (Indicat. Park) | ||
| Harness or connector | - | |
| No. 1 meter ECU | ||
| Electric parking brake ECU | ||
| Cruise control indicator light does not come on | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Perform Active Test (Indicat. Lamp Cruise) | ||
| Cruise control system | ||
| No. 1 meter ECU | ||
| Radar cruise indicator light does not come on (w/ Dynamic Radar Cruise Control System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Perform Active Test (Indicat. Radar Cruise) | ||
| Dynamic radar cruise control system | ||
| No. 1 meter ECU | ||
| SET indicator light does not come on | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Perform Active Test (Indicat. SET) | ||
| Cruise control system | ||
| Dynamic radar cruise control system (w/ Dynamic Radar Cruise Control System) | ||
| No. 1 meter ECU | ||
| Fuel level warning light does not come on (Fuel receiver gauge operates normally) | Perform Active Test (Indicat. Lamp Fuel) | |
| No. 1 meter ECU | ||
| ABS warning light does not come on | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Check indicator/warning light | ||
| Perform Active Test (Indicat. Lamp ABS) | ||
| Electronically controlled brake system | ||
| No. 1 meter ECU | ||
| Slip indicator light does not come on | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Check indicator/warning light | ||
| Perform Active Test (Indicat. Lamp Slip) | ||
| Electronically controlled brake system | ||
| No. 1 meter ECU | ||
| VSC OFF indicator light does not come on | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Check indicator/warning light | ||
| Perform Active Test (Indicat. VSC OFF) | ||
| Electronically controlled brake system | ||
| No. 1 meter ECU | ||
| PCS warning light does not come on (w/ Pre-crash Safety System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Check indicator/warning light | ||
| Perform Active Test (Indicat. Precrash) | ||
| No. 1 meter ECU | ||
| Driving support ECU | ||
| LKA indicator light does not come on (w/ Lane-keeping Assist System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Perform Active Test (Drift From The Lane) | ||
| Lane-keeping assist system | ||
| No. 1 meter ECU | ||
| Tire pressure warning light does not come on (w/ Tire Pressure Warning System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Check indicator/warning light | ||
| Perform Active Test (Indicat. Tire Pressure Warning System) | ||
| Tire pressure warning system | ||
| No. 1 meter ECU | ||
| SNOW indicator light does not come on (Hybrid control system operates normally) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Perform Active Test (Indicat. Lamp ECT SNOW) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| HEIGHT HIGH indicator light does not come on | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Check indicator/warning light | ||
| Perform Active Test (Indicat. Height High) | ||
| Air suspension system | ||
| No. 1 meter ECU | ||
| Brake hold standby indicator light does not come on | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Check indicator/warning light | ||
| Perform Active Test (Indicat. Brake Hold) | ||
| Electronically controlled brake system | ||
| No. 1 meter ECU | ||
| Brake hold operated indicator light does not come on | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Check indicator/warning light | ||
| Perform Active Test (Indicat. Hold) | ||
| Electronically controlled brake system | ||
| No. 1 meter ECU | ||
| Automatic high beam indicator light does not come on (Automatic high beam system operates normally) (w/ Automatic High Beam System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Perform Active Test (Automatic High Beam Indicator) | ||
| No. 1 meter ECU | ||
| Main body ECU (driver side junction block) | - | |
| Adaptive high beam indicator light does not come on (Adaptive high beam system operates normally) (w/ Adaptive High Beam System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Perform Active Test (Automatic High Beam Indicator) | ||
| No. 1 meter ECU | ||
| Headlight swivel ECU assembly | ||
| EV MODE indicator light does not come on | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Perform Active Test (EV Mode indicator) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| EV indicator light does not come on | Check customize setting | |
| CAN communication system (for LHD) | ||
| CAN communication system (for RHD) | ||
| Perform Active Test (Indicat. EV Mode) | ||
| Hybrid control system | ||
| No. 1 meter ECU |
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ECB*: Electronically Controlled Brake System
| Symptom | Suspected Area | See page |
|---|---|---|
| Cruising range display malfunction (Combination meter operates normally) | No. 1 meter ECU | |
| Average fuel consumption display malfunction (Combination meter operates normally) | No. 1 meter ECU | |
| Current fuel consumption display malfunction (Combination meter operates normally) | No. 1 meter ECU | |
| Average fuel consumption after refueling display malfunction (Combination meter operates normally) | No. 1 meter ECU | |
| After Refueling display malfunction (Combination meter operates normally) | No. 1 meter ECU | |
| Elapsed time display malfunction (Combination meter operates normally) | No. 1 meter ECU | |
| Average vehicle speed display malfunction (Combination meter operates normally) | No. 1 meter ECU | |
| ODO/TRIP meter display malfunction (Combination meter operates normally) | No. 1 meter ECU | |
| Outside temperature display malfunction | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Air conditioning system | ||
| No. 1 meter ECU | ||
| Air conditioning amplifier | ||
| Shift position indicator malfunction | Perform Active Test (A/T Indicator Operation 1, A/T Indicator Operation 2, A/T Indicator Operation 3) | |
| CAN communication system (for LHD) | ||
| CAN communication system (for RHD) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| Hybrid vehicle control ECU | ||
| Rheostat display malfunction | Read the Data List (Light Control Up Switch, Light Control Down Switch) | |
| Light control rheostat | ||
| Harness or connector | - | |
| No. 1 meter ECU | ||
| Tire pressure display malfunction (w/ Tire Pressure Warning System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Tire pressure warning system | ||
| No. 1 meter ECU | ||
| Tire pressure warning ECU | ||
| Clearance warning display malfunction | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Parking assist monitor system (w/ Parking Assist Monitor System) | ||
| LEXUS parking assist-sensor system (w/ LEXUS Parking Assist-sensor System) | ||
| No. 1 meter ECU | ||
| Clearance warning ECU | ||
| Open door message display malfunction (Others system operates normally) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| No. 1 meter ECU | ||
| Main body ECU (driver side junction block) | - | |
| Front multiplex network light ECU (front controller) | - | |
| Luggage closer motor assembly | ||
| READY indicator display malfunction | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| Hybrid vehicle control ECU | ||
| Energy flow display malfunction | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| Hybrid vehicle control ECU | ||
| DTCs display malfunction (Others system operates normally) | No. 1 meter ECU | |
| "Shift to P range" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Entry and start system (for Start Function) | ||
| No. 1 meter ECU | ||
| Certification ECU | - | |
| "Low Key Battery" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Entry and start system (for Entry Function) | ||
| No. 1 meter ECU | ||
| Certification ECU | - | |
| "Key is not detected" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Entry and start system (for Start Function) | ||
| No. 1 meter ECU | ||
| Certification ECU | - | |
| "Depress the brake pedal, and touch the POWER switch with the key" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Entry and start system (for Start Function) | ||
| No. 1 meter ECU | ||
| Certification ECU | - | |
| "To start depress the brake pedal, and push the POWER switch " message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Entry and start system (for Start Function) | ||
| No. 1 meter ECU | ||
| Certification ECU | - | |
| "Theft Sensor OFF" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Theft deterrent system | ||
| No. 1 meter ECU | ||
| Main body ECU (driver side junction block) | - | |
| "Theft Sensor ON" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Theft deterrent system | ||
| No. 1 meter ECU | ||
| Main body ECU (driver side junction block) | - | |
| "Check Steering Lock System" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Steering lock system | ||
| No. 1 meter ECU | ||
| Certification ECU | - | |
| "Steering Lock is still active" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Steering lock system | ||
| No. 1 meter ECU | ||
| Certification ECU | - | |
| "Check Headlight System" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Lighting system | ||
| No. 1 meter ECU | ||
| Headlight swivel ECU assembly | ||
| Main body ECU (driver side junction block) (w/ Automatic High Beam System) | - | |
| "Check Rear Light System" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Lighting system | ||
| No. 1 meter ECU | ||
| Luggage room junction block (rear junction block ECU) | - | |
| "Low Washer Fluid" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Wiper and washer system | ||
| No. 1 meter ECU | ||
| Front multiplex network light ECU (front controller) | - | |
| "Turn Light Off" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Lighting system | ||
| No. 1 meter ECU | ||
| Main body ECU (driver side junction block) | - | |
| "Moon Roof Opened" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (w/ Sliding Roof) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Sliding roof system | ||
| No. 1 meter ECU | ||
| Main body ECU (driver side junction block) | - | |
| "Turn on the high beam to activate AHB System" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (w/ Automatic High Beam System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Lighting system | ||
| No. 1 meter ECU | ||
| Main body ECU (driver side junction block) | - | |
| "Turn on the high beam to activate AHS System" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (w/ Adaptive High Beam System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Lighting system | ||
| No. 1 meter ECU | ||
| Headlight swivel ECU assembly | ||
| "Change the Air Conditioning Filter" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Air conditioning system | ||
| No. 1 meter ECU | ||
| Air conditioning amplifier | ||
| "Air Conditioning Filter Reset" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Air conditioning system | ||
| No. 1 meter ECU | ||
| Air conditioning amplifier | ||
| "Climate Control activated to cool Hybrid System" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Air conditioning system | ||
| No. 1 meter ECU | ||
| Air conditioning amplifier | ||
| "Check SRS Airbag System" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Airbag system | ||
| No. 1 meter ECU | ||
| Center airbag sensor | ||
| "Low Engine Oil Level" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Read the Data List (Oil Level SW) | ||
| Harness or connector | - | |
| Engine oil level sensor | ||
| No. 1 meter ECU | ||
| Front multiplex network light ECU (front controller) | - | |
| "Low Oil pressure" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Harness or connector | - | |
| Engine oil pressure switch | ||
| No. 1 meter ECU | ||
| Front multiplex network light ECU (front controller) | - | |
| "Check engine system" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| SFI system | ||
| No. 1 meter ECU | ||
| ECM | ||
| "Injector Maintenance Required" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| SFI system | ||
| No. 1 meter ECU | ||
| ECM | ||
| "Resetting Maintenance Data" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| SFI system | ||
| No. 1 meter ECU | ||
| ECM | ||
| "Maintenance required soon" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| SFI system | ||
| No. 1 meter ECU | ||
| ECM | ||
| "Maintenance required" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| SFI system | ||
| No. 1 meter ECU | ||
| ECM | ||
| "Shift to P range when starting" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| Hybrid vehicle control ECU | ||
| "Traction Battery Low" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| Hybrid vehicle control ECU | ||
| "Traction battery preservation mode" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| Hybrid vehicle control ECU | ||
| "Shift to P range when parked" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| Hybrid vehicle control ECU | ||
| "Check Hybrid System" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| Hybrid vehicle control ECU | ||
| "Stop the vehicle in a safe place. Shift to P range" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| Hybrid vehicle control ECU | ||
| "Hybrid System Overheat" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| Hybrid vehicle control ECU | ||
| "Warming Up Maximum Vehicle Speed: 120km/h (75MPH)" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| Hybrid vehicle control ECU | ||
| "Stop the vehicle in a safe place. Shift to P range" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| Hybrid vehicle control ECU | ||
| "T/M LEARNING" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| Hybrid vehicle control ECU | ||
| "T/M ERROR" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| Hybrid vehicle control ECU | ||
| "AWD Maintenance Mode" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| Hybrid vehicle control ECU | ||
| "2WD Maintenance Mode" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| Hybrid vehicle control ECU | ||
| "AWD Certification Mode" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| Hybrid vehicle control ECU | ||
| "2WD Certification Mode" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| Hybrid vehicle control ECU | ||
| "Low 12-volt Battery See Owner's Manual" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| Hybrid vehicle control ECU | ||
| "N position" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| Hybrid vehicle control ECU | ||
| "Low Tire Pressure Check all tires" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (w/ Tire Pressure Warning System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Tire pressure warning system | ||
| No. 1 meter ECU | ||
| Tire pressure warning ECU | ||
| "Tire Pressure Reset Proceeding" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (w/ Tire Pressure Warning System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Tire pressure warning system | ||
| No. 1 meter ECU | ||
| Tire pressure warning ECU | ||
| "Tire Pressure Test Mode" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (w/ Tire Pressure Warning System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Tire pressure warning system | ||
| No. 1 meter ECU | ||
| Tire pressure warning ECU | ||
| "Check Air Suspension System" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Air suspension system | ||
| No. 1 meter ECU | ||
| Suspension control ECU (for LHD) | ||
| Suspension control ECU (for RHD) | ||
| "Check Active Stabilizer Suspension Test Mode" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (w/ Active Stabilizer Suspension System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Active stabilizer suspension system | ||
| No. 1 meter ECU | ||
| Front active stabilizer control ECU assembly | ||
| Rear active stabilizer control ECU | ||
| "Active Stabilizer Suspension System" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (w/ Active Stabilizer Suspension System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Active stabilizer suspension system | ||
| No. 1 meter ECU | ||
| Front active stabilizer control ECU assembly | ||
| Rear active stabilizer control ECU | ||
| "Check Power Steering System" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Power steering system | ||
| No. 1 meter ECU | ||
| Power steering ECU | ||
| "Check VGRS System" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Variable gear ratio steering system | ||
| No. 1 meter ECU | ||
| Steering control ECU | ||
| "VGRS Test Mode" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Variable gear ratio steering system | ||
| No. 1 meter ECU | ||
| Steering control ECU | ||
| "Brake Malfunction" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (Electronically controlled brake system operates normally) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| No. 1 meter ECU | ||
| Skid control ECU (for LHD) | ||
| Skid control ECU (for RHD) | ||
| "Check ABS" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Electronically controlled brake system | ||
| No. 1 meter ECU | ||
| Skid control ECU (for LHD) | ||
| Skid control ECU (for RHD) | ||
| "Check Brake System" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Electronically controlled brake system | ||
| No. 1 meter ECU | ||
| Skid control ECU (for LHD) | ||
| Skid control ECU (for RHD) | ||
| "Brake Hold not available on slope" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Electronically controlled brake system | ||
| No. 1 meter ECU | ||
| Skid control ECU (for LHD) | ||
| Skid control ECU (for RHD) | ||
| "Depress the brake pedal to release Brake Hold" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Electronically controlled brake system | ||
| No. 1 meter ECU | ||
| Skid control ECU (for LHD) | ||
| Skid control ECU (for RHD) | ||
| "Check Brake Hold System" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Electronically controlled brake system | ||
| No. 1 meter ECU | ||
| Skid control ECU (for LHD) | ||
| Skid control ECU (for RHD) | ||
| "EPB* TEST" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Electric parking brake system | ||
| No. 1 meter ECU | ||
| Electric parking brake ECU | ||
| "Parking Brake not available" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Electric parking brake system | ||
| No. 1 meter ECU | ||
| Electric parking brake ECU | ||
| "Check Parking Brake System" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Electric parking brake system | ||
| No. 1 meter ECU | ||
| Electric parking brake ECU | ||
| "Parking Brake Overheat" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Electric parking brake system | ||
| No. 1 meter ECU | ||
| Electric parking brake ECU | ||
| "To park the vehicle, shift to P range" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Electric parking brake system | ||
| No. 1 meter ECU | ||
| Electric parking brake ECU | ||
| "Release the Parking Brake" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (Parking brake warning light operates normally) | No. 1 meter ECU | |
| "The Parking Brake has been automatically locked" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Electric parking brake system | ||
| No. 1 meter ECU | ||
| Electric parking brake ECU | ||
| "BRAKE WEAR" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Electronically controlled brake system | ||
| No. 1 meter ECU | ||
| Skid control ECU (for LHD) | ||
| Skid control ECU (for RHD) | ||
| "Depress the brake pedal" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Electronically controlled brake system | ||
| No. 1 meter ECU | ||
| Skid control ECU (for LHD) | ||
| Skid control ECU (for RHD) | ||
| "Be careful using Brake Hold on icy roads!" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Electronically controlled brake system | ||
| No. 1 meter ECU | ||
| Skid control ECU (for LHD) | ||
| Skid control ECU (for RHD) | ||
| "Close the door to use Brake Hold" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Electronically controlled brake system | ||
| No. 1 meter ECU | ||
| Skid control ECU (for LHD) | ||
| Skid control ECU (for RHD) | ||
| "Fasten the seat belt to use Brake Hold" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Electronically controlled brake system | ||
| No. 1 meter ECU | ||
| Skid control ECU (for LHD) | ||
| Skid control ECU (for RHD) | ||
| "Close the hood or the trunk to use Brake Hold" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Electronically controlled brake system | ||
| No. 1 meter ECU | ||
| Skid control ECU (for LHD) | ||
| Skid control ECU (for RHD) | ||
| "TRC OFF" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Electronically controlled brake system | ||
| No. 1 meter ECU | ||
| Skid control ECU (for LHD) | ||
| Skid control ECU (for RHD) | ||
| "Depress the brake pedal to continue Brake Hold" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Electronically controlled brake system | ||
| No. 1 meter ECU | ||
| Skid control ECU (for LHD) | ||
| Skid control ECU (for RHD) | ||
| "Close the door to continue Brake Hold" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Electronically controlled brake system | ||
| No. 1 meter ECU | ||
| Skid control ECU (for LHD) | ||
| Skid control ECU (for RHD) | ||
| "Fasten the seat belt to continue Brake Hold" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Electronically controlled brake system | ||
| No. 1 meter ECU | ||
| Skid control ECU (for LHD) | ||
| Skid control ECU (for RHD) | ||
| "Check Cruise Control System" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (w/ Dynamic Radar Cruise Control System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Dynamic radar cruise control system (w/ Dynamic Radar Cruise Control System) | ||
| No. 1 meter ECU | ||
| Driving support ECU | ||
| "Check Cruise Control System Depress the brake pedal" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (w/ Dynamic Radar Cruise Control System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Dynamic radar cruise control system (w/ Dynamic Radar Cruise Control System) | ||
| No. 1 meter ECU | ||
| Driving support ECU | ||
| "Clean Radar Sensor" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (w/ Dynamic Radar Cruise Control System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Dynamic radar cruise control system | ||
| No. 1 meter ECU | ||
| Driving support ECU | ||
| "Cruise Control not available" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (w/ Dynamic Radar Cruise Control System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Dynamic radar cruise control system | ||
| No. 1 meter ECU | ||
| Driving support ECU | ||
| "Cruise Control not available now" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (w/ Dynamic Radar Cruise Control System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Dynamic radar cruise control system (w/ Dynamic Radar Cruise Control System) | ||
| No. 1 meter ECU | ||
| Driving support ECU | ||
| "Front Radar Beam Adjustment" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (w/ Dynamic Radar Cruise Control System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Dynamic radar cruise control system | ||
| No. 1 meter ECU | ||
| Driving support ECU | ||
| "Check PCS System" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (w/ Pre-crash Safety System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Pre-crash safety system | ||
| No. 1 meter ECU | ||
| Driving support ECU | ||
| "BRAKE!" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (w/ Pre-crash Safety System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Pre-crash safety system | ||
| No. 1 meter ECU | ||
| Driving support ECU | ||
| "PCS not available now" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (w/ Pre-crash Safety System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Pre-crash safety system | ||
| No. 1 meter ECU | ||
| Driving support ECU | ||
| "Pre-crash brakes are disabled because VSC is OFF" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (w/ Pre-crash safety System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Pre-crash safety system | ||
| No. 1 meter ECU | ||
| Driving support ECU | ||
| "Check LKA System" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (w/ Lane-keeping Assist System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Lane-keeping assist system | ||
| No. 1 meter ECU | ||
| Driving support ECU | ||
| "LKA not available" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (w/ Lane-keeping Assist System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Lane-keeping assist system | ||
| No. 1 meter ECU | ||
| Driving support ECU | ||
| "LKA Camera Adjustment" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (w/ Lane-keeping Assist System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Lane-keeping assist system | ||
| No. 1 meter ECU | ||
| Driving support ECU | ||
| "Check Park Sonar System" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Parking assist monitor system (w/ Parking Assist Monitor System) | ||
| LEXUS parking assist-sensor system (w/ LEXUS Parking Assist-sensor System) | ||
| No. 1 meter ECU | ||
| Clearance warning ECU | ||
| "Clean Park Sonar" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Parking assist monitor system (w/ Parking Assist Monitor System) | ||
| LEXUS parking assist-sensor system (w/ LEXUS Parking Assist-sensor System) | ||
| No. 1 meter ECU | ||
| Clearance warning ECU | ||
| "Engine Coolant High Temperature" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| SFI system | ||
| No. 1 meter ECU | ||
| ECM | ||
| "High Transmission Fluid temperature" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| Hybrid vehicle control ECU | ||
| "Limited seat adjustability" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (for 4-Passenger with Ottoman) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Rear power seat control system | ||
| No. 1 meter ECU | ||
| Rear power seat module switch | ||
| "Check Front Passenger Seat System" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Front power seat control system | ||
| No. 1 meter ECU | ||
| Front power seat switch RH (for LHD) | ||
| Front power seat switch LH (for RHD) | ||
| "EV mode currently not available" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| Hybrid vehicle control ECU | ||
| "EV mode has been deactivated" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| Hybrid vehicle control ECU | ||
| "Advance notice of EV mode deactivation" message is displayed when it should not be, not displayed when it should be, or not displayed correctly | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Hybrid control system | ||
| No. 1 meter ECU | ||
| Hybrid vehicle control ECU | ||
| "BSM not available" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (w/ Blind Spot Monitor System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Blind spot monitor system | ||
| No. 1 meter ECU | ||
| Blind spot monitor sensor | ||
| "Check BSM System" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (w/ Blind Spot Monitor System) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Blind spot monitor system | ||
| No. 1 meter ECU | ||
| Blind spot monitor sensor | ||
| Multi-information display is missing dots | Perform Active Test (Meter Display 1) | |
| Meter display panel | ||
| No. 1 meter ECU | ||
| The settings cannot be customized through the multi-information display (Language) | No. 1 meter ECU | |
| The settings cannot be customized through the multi-information display (Units) | No. 1 meter ECU | |
| The settings cannot be customized through the multi-information display (ECO lamp) | No. 1 meter ECU | |
| The settings cannot be customized through the multi-information display (Drive monitor) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| No. 1 meter ECU | ||
| Air conditioning amplifier | ||
| Hybrid vehicle control ECU | ||
| The settings cannot be customized through the multi-information display (Tachometer Settings) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| No. 1 meter ECU | ||
| ECM | ||
| Hybrid vehicle control ECU | ||
| The settings cannot be customized through the multi-information display (Lamp brightness) | No. 1 meter ECU | |
| The settings cannot be customized through the multi-information display (EV driving Indicator) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| No. 1 meter ECU | ||
| Hybrid vehicle control ECU | ||
| The settings cannot be customized through the multi-information display (SPORT lamp) | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| No. 1 meter ECU | ||
| ECM | ||
| The settings cannot be customized through the multi-information display (Default settings) | No. 1 meter ECU |
-
EPB*: Electric Parking Brake System
| Symptom | Suspected Area | See page |
|---|---|---|
| No buzzers operate | No. 1 meter ECU | |
| READY buzzer does not operate | Hybrid vehicle control ECU | |
| No. 1 meter ECU | ||
| Seat belt warning buzzer does not operate (Front seat belt warning light operates normally) | No. 1 meter ECU | |
| Smart key warning buzzer does not operate (Smart access system operates normally) | No. 1 meter ECU | |
| Engine immobiliser certification buzzer does not operate (Engine immobiliser system operates normally) | No. 1 meter ECU | |
| Multi buzzer does not operate (Other system operates normally) | No. 1 meter ECU | |
| Dynamic radar cruise control low speed vehicle-to-vehicle warning buzzer does not operate (Dynamic radar cruise control system operates normally) (w/ Dynamic Radar Cruise Control System) | No. 1 meter ECU | |
| Brake hold control unreleased warning buzzer does not operate (Electronically controlled brake system operates normally) | No. 1 meter ECU | |
| LKA buzzer does not operate (Lane-keeping assist system operates normally) (w/ Lane-keeping Assist System) | No. 1 meter ECU | |
| Dynamic radar cruise control low speed cancel buzzer does not operate (Dynamic radar cruise control system operates normally) (w/ Dynamic Radar Cruise Control System) | No. 1 meter ECU | |
| Dynamic radar cruise control warning buzzer does not operate (Dynamic radar cruise control system operates normally) (w/ Dynamic Radar Cruise Control System) | No. 1 meter ECU | |
| NDB buzzer does not operate (Hybrid control system operates normally) | No. 1 meter ECU | |
| Hybrid battery charge request buzzer does not operate (Hybrid control system operates normally) | No. 1 meter ECU | |
| PKB-ON driving warning buzzer does not operate (Brake warning light operates normally) | No. 1 meter ECU | |
| Driving with any door opened warning buzzer does not operate (Open door warning light and speedometer operate normally) | No. 1 meter ECU | |
| EV reject buzzer does not operate (Hybrid control system operates normally) | No. 1 meter ECU | |
| Sports shift reject buzzer does not operate (Others system operates normally) | No. 1 meter ECU | |
| Sliding roof open warning buzzer does not operate (Others system operates normally) (w/ Sliding Roof) | No. 1 meter ECU | |
| Shift position N accelerator on buzzer does not operate (Hybrid control system operates normally) | No. 1 meter ECU | |
| Oil pressure warning buzzer does not operate (Oil pressure warning display operates normally) | No. 1 meter ECU |
| Symptom | Suspected Area | See page |
|---|---|---|
| Entire combination meter does not operate | Proceed to "Entire Combination Meter does not Operate" | |
| Eco/Sport light malfunction | Check customize setting | |
| CAN communication system (for LHD) | ||
| CAN communication system (for RHD) | ||
| No. 1 meter ECU | ||
| Hybrid vehicle control ECU | ||
| ODO/TRIP switch malfunction | ODO/TRIP switch circuit | |
| Operating light control rheostat does not change light brightness | Light control rheostat circuit | |
| Meter illumination is always dark | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Lighting system | ||
| No. 1 meter ECU | ||
| Main body ECU (driver side junction block) | - | |
| Multi-information display does not change using DISP switch | CAN communication system (for LHD) | |
| CAN communication system (for RHD) | ||
| Read the Data List (Multi Display Select Switch, DISP Switch) | ||
| Steering pad switch | ||
| Spiral cable | ||
| No. 1 meter ECU |