Note
Before replacing the ECM, main body ECU (multiplex network body ECU) or Certification ECU (Smart key ECU assembly), refer to Service Bulletin.*
*: w/ Smart Entry and Start System
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.
| Symptom | Suspected Area | Link |
|---|---|---|
| Entire combination meter assembly does not operate | Power source circuit | |
| Speedometer malfunction | Speedometer circuit | |
| Tachometer malfunction | Tachometer circuit | |
| Fuel receiver gauge display malfunction (Fuel receiver gauge is currently malfunctioning, or was malfunctioning in the past) | Fuel receiver gauge display circuit | |
| Engine coolant temperature receiver gauge malfunction | Engine coolant temperature receiver gauge circuit |
| Symptom | Suspected Area | Link |
|---|---|---|
| Master warning light malfunction | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Master Warning) | ||
| Combination meter assembly | ||
| Brake warning light malfunction | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Brake) | ||
| Brake warning light circuit (Brake warning light remains ON) | ||
| Brake warning light circuit (Brake warning light does not come ON) | ||
| Brake master cylinder reservoir sub-assembly (Brake fluid level warning switch) (for LHD) | ||
| Brake master cylinder reservoir sub-assembly (Brake fluid level warning switch) (for RHD) | ||
| Combination meter assembly | ||
| Brake actuator assembly (Skid control ECU) | ||
| Driver or front passenger seat belt warning light malfunction | Combination meter assembly (LED): Perform Active Test (Driver Side Seat Belt) | |
| Driver seat belt warning light circuit | ||
| Front passenger seat belt warning light circuit | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Rear seat belt warning light malfunction*4 | Combination meter assembly: Read the Data List (2nd-Row Seatbelt Buckle (R), 2nd-Row Seatbelt Buckle (L), 2nd-Row Seatbelt Buckle (C)) | |
| Rear seat belt warning light circuit | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| SRS warning light malfunction | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Airbag) | ||
| SRS warning light circuit (SRS warning light remains ON) | ||
| SRS warning light circuit (SRS warning light does not come ON) | ||
| Combination meter assembly | ||
| Airbag sensor assembly | ||
| EPS warning light malfunction | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. EPS) | ||
| EPS warning light circuit | ||
| Combination meter assembly | ||
| Power steering ECU assembly | ||
| Parking brake warning light malfunction | Combination meter assembly (LED): Perform Active Test (Indicat. Park) | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| MIL (Check engine warning light) malfunction | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Check Engine Indicator) | ||
| MIL circuit (for 1AR-FE) | ||
| MIL circuit (for 2GR-FKS) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FKS) | ||
| PCS warning light malfunction*1 | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. Pre-Collision) | ||
| Pre-collision system | ||
| Combination meter assembly | ||
| Driving support ECU assembly (for LHD) | ||
| Driving support ECU assembly (for RHD) | ||
| Slip indicator light malfunction | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Slip) | ||
| Slip indicator light circuit (Slip indicator light remains ON) | ||
| Slip indicator light circuit (Slip indicator light does not come ON) | ||
| Combination meter assembly | ||
| Brake actuator assembly (Skid control ECU) | ||
| VSC OFF indicator light malfunction | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. VSC OFF) | ||
| VSC OFF indicator light circuit (VSC OFF switch circuit) | ||
| Combination meter assembly | ||
| Brake actuator assembly (Skid control ECU) | ||
| ABS warning light malfunction | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. Lamp ABS) | ||
| ABS warning light circuit (ABS warning light remains ON) | ||
| ABS warning light circuit (ABS warning light does not come ON) | ||
| Combination meter assembly | ||
| Brake actuator assembly (Skid control ECU) | ||
| Tire pressure warning light malfunction*5 | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. Tire Pressure Warning System) | ||
| Tire pressure warning system | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Fuel level warning light malfunction | Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Fuel) | |
| Fuel sender gauge assembly (for 1AR-FE) | ||
| Fuel sender gauge assembly (for 2GR-FKS) | ||
| Wire harness or connector (Combination meter assembly - Fuel sender gauge assembly) | - | |
| Combination meter assembly | ||
| Rear fog indicator light malfunction (Rear fog light is normal)*3 | Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Rr FOG) | |
| Lighting system | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| AWD lock indicator light malfunction*2 | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. 4WD Lock) | ||
| Dynamic torque control AWD/4WD system | ||
| Combination meter assembly | ||
| 4WD ECU assembly (for LHD) | ||
| 4WD ECU assembly (for RHD) | ||
| Automatic high beam indicator light malfunction*1 | Combination meter assembly (LED): Perform Active Test (Automatic High Beam Indicator) | |
| Automatic high beam system | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| High beam indicator light malfunction (High beam head light is normal) | Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Beam) | |
| Lighting system | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Downhill assist control indicator light malfunction*2 | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. Downhill Assist Control) | ||
| Downhill assist control indicator light (Downhill assist control indicator light remains ON) | ||
| Downhill assist control indicator light (Downhill assist control indicator light does not come ON) | ||
| Combination meter assembly | ||
| Brake actuator assembly (Skid control ECU) | ||
| Tail indicator light malfunction (Taillight is normal) | Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Tail) | |
| Lighting system | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Front fog indicator light malfunction (Front fog light is normal) | Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Fr FOG) | |
| Lighting system | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Turn indicator light malfunction (Turn signal light operation is normal) | Check customize parameters (Lane Change Flashing Times Setting) | |
| Combination meter assembly (LED): Perform Active Test (Turn Signal (Left) Indicator, Turn Signal (Right) Indicator) | ||
| Combination meter assembly | ||
| Multiplex network door ECU (w/ Power Back Door System) | ||
| Eco driving indicator light malfunction | Check customize parameters (ECO driving indicator light) | - |
| Combination meter assembly (LED): LED check | ||
| Combination meter assembly (LED): Perform Active Test (Indicat. ECONO) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FKS) |
*1: w/ Forward Recognition Camera
*2: for AWD
*3: w/ Rear Fog Light
*4: w/ Rear Seat Belt Warning
*5: w/ Tire Pressure Warning System
| Symptom | Suspected Area | Link |
|---|---|---|
| "Opening" display malfunction | Combination meter assembly | |
| "Odometer" display malfunction | Check customize parameters (ODO Display Time After IG OFF Setting) | |
| Combination meter assembly | ||
| "TRIP A/TRIP B meter" display malfunction | Combination meter assembly | |
| "Current fuel consumption (Bar type)" display malfunction (Other meter functions are normal) | Combination meter assembly | |
| "Average fuel consumption (After reset)" display malfunction (Other meter functions are normal) | Combination meter assembly | |
| "Average fuel consumption (After start)" display malfunction (Other meter functions are normal) | Combination meter assembly | |
| "Average fuel consumption (After refuel)" display malfunction (Other meter functions are normal) | Combination meter assembly | |
| "Average speed (After reset)" display malfunction (Other meter functions are normal) | Combination meter assembly | |
| "Average speed (After reset)" display malfunction (Other meter functions are normal) | Combination meter assembly | |
| "Elapsed time (After reset)" display malfunction (Other meter functions are normal) | Combination meter assembly | |
| "Elapsed time (After start)" display malfunction (Other meter functions are normal) | Combination meter assembly | |
| "Drivable distance" display malfunction (Other meter functions are normal) | Combination meter assembly | |
| "Driving distance (After reset)" display malfunction (Other meter functions are normal) | Combination meter assembly | |
| "Driving distance (After start)" display malfunction (Other meter functions are normal) | Combination meter assembly | |
| "Eco driving indicator zone" display malfunction | Combination meter assembly | |
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FKS) | ||
| "AWD control" display malfunction*1 | Dynamic torque control AWD/4WD system | |
| Combination meter assembly | ||
| 4WD ECU assembly (for LHD) | ||
| 4WD ECU assembly (for RHD) | ||
| "Other (Blank)" display malfunction | Combination meter assembly | |
| "Drive information tab" display malfunction | Combination meter assembly | |
| "Navigation tab" display malfunction | Navigation system (for Navigation Receiver Type) | |
| Navigation system (for Radio and Display Type) | ||
| Combination meter assembly | ||
| Navigation receiver assembly (for Navigation Receiver Type) | ||
| Radio and display receiver assembly (for Radio and Display Type) | ||
| "Audio tab" display malfunction | Navigation system (for Navigation Receiver Type) | |
| Navigation system (for Radio and Display Type) | ||
| Combination meter assembly | ||
| Navigation receiver assembly (for Navigation Receiver Type) | ||
| Radio and display receiver assembly (for Radio and Display Type) | ||
| "Driving support tab" display malfunction*3 | Dynamic radar cruise control system (for 1AR-FE) | |
| Dynamic radar cruise control system (for 2GR-FKS) | ||
| Lane departure alert system (w/ Steering Control) | ||
| Road sign assist system (w/ Road Sign Assist System) | ||
| Combination meter assembly | ||
| Driving support ECU assembly (for LHD) | ||
| Driving support ECU assembly (for RHD) | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FKS) | ||
| Forward recognition camera | ||
| "Message tab" display malfunction | Combination meter assembly | |
| "Setting tab" display malfunction | Combination meter assembly | |
| "Shift position" display malfunction | Automatic transaxle system (for UA80E) | |
| Automatic transaxle system (for UA80F) | ||
| Automatic transaxle system (for U760E) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FKS) | ||
| "SNOW indicator light" display malfunction | Automatic transaxle system (for UA80E) | |
| Automatic transaxle system (for UA80F) | ||
| Automatic transaxle system (for U760E) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FKS) | ||
| "BSM indicator light" display malfunction*6 | Blind spot monitor system | |
| Combination meter assembly | ||
| Blind spot monitor sensor LH | ||
| "Lane departure alert indicator light" display malfunction*3 | Lane departure alert indicator light circuit (Indicator circuit) | Click here |
| Combination meter assembly | Click here | |
| Forward recognition camera | Click here | |
| "Cruise control indicator light" display malfunction*2 | Cruise main indicator light circuit (for 1AR-FE) | |
| Cruise main indicator light circuit (for 2GR-FKS) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FKS) | ||
| "Cruise control indicator light (Constant speed control mode)" display malfunction*3 | Cruise control indicator light (Constant speed control mode) circuit (Cruise main indicator light circuit) (for 1AR-FE) | |
| Cruise control indicator light (Constant speed control mode) circuit (Cruise main indicator light circuit) (for 2GR-FKS) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FKS) | ||
| "Cruise control indicator light (Vehicle-to-vehicle distance control mode)" display malfunction*3 | Cruise control indicator light (Vehicle-to-vehicle distance control mode) circuit (Cruise main indicator light circuit) (for 1AR-FE) | |
| Cruise control indicator light (Vehicle-to-vehicle distance control mode) circuit (Cruise main indicator light circuit) (for 2GR-FKS). | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FKS) | ||
| "Cruise SET indicator light" display malfunction | Cruise control SET indicator light circuit (w/ Dynamic Radar Cruise Control System (for 1AR-FE)) | Click here |
| Cruise control SET indicator light circuit (w/ Dynamic Radar Cruise Control System (for 2GR-FKS)) | ||
| Cruise control SET indicator light circuit (w/o Dynamic Radar Cruise Control System) | Click here | |
| Combination meter assembly | Click here | |
| ECM (for 1AR-FE) | Click here | |
| ECM (for 2GR-FKS) | Click here | |
| "Clearance sonar indicator light" display malfunction*5 | TOYOTA parking assist-sensor system (for 6 Sensor Type) | |
| TOYOTA parking assist-sensor system (for 4 Sensor Type) | ||
| Combination meter assembly | ||
| Clearance warning ECU assembly | ||
| "Power mode indicator light" display malfunction*8 | SFI system (for 2GR-FKS) | |
| Combination meter assembly | ||
| ECM (for 2GR-FKS) | ||
| "Outside temp" display malfunction | Air conditioning system (for Automatic Air Conditioning System) | |
| Air conditioning system (for Manual Air Conditioning System) | ||
| Combination meter assembly | ||
| Air conditioning amplifier assembly | ||
| "Icy street warning light" display malfunction | Air conditioning system (for Automatic Air Conditioning System) | |
| Air conditioning system (for Manual Air Conditioning System) | ||
| Combination meter assembly | ||
| Air conditioning amplifier assembly | ||
| "Phone (Received Call)" display malfunction | Navigation system (for Navigation Receiver Type) | |
| Navigation system (for Radio and Display Type) | ||
| Combination meter assembly | ||
| Navigation receiver assembly (for Navigation Receiver Type) | ||
| Radio and display receiver assembly (for Radio and Display Type) | ||
| "Turn-by-turn Navigation" display malfunction | Navigation system (for Navigation Receiver Type) | |
| Navigation system (for Radio and Display Type) | ||
| Combination meter assembly | ||
| Navigation receiver assembly (for Navigation Receiver Type) | ||
| Radio and display receiver assembly (for Radio and Display Type) | ||
| "ACCESSORY" display malfunction*4 | Smart entry and start system (for Start Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "IGNITION ON" display malfunction*4 | Smart entry and start system (for Start Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "AWD Test Mode" display malfunction*1 | Dynamic torque control AWD/4WD system | |
| Combination meter assembly | ||
| 4WD ECU assembly (for LHD) | ||
| 4WD ECU assembly (for RHD) | ||
| "CDY-2" display malfunction*8 | Combination meter assembly | |
| ECM (for 2GR-FKS) | ||
| "CDY-4" display malfunction*8 | Combination meter assembly | |
| ECM (for 2GR-FKS) | ||
| "ADJUSTING FORWARD CAMERA" display malfunction*3 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "ADJUSTING FRONT RADAR BEAM" display malfunction*3 | Dynamic radar cruise control system (for 1AR-FE) | |
| Dynamic radar cruise control system (for 2GR-FKS) | ||
| Combination meter assembly | ||
| Driving support ECU assembly (for LHD) | ||
| Driving support ECU assembly (for RHD) | ||
| "CHECKING PCS BRAKE" display malfunction*3 | Pre-collision system | |
| Combination meter assembly | ||
| Driving support ECU assembly (for LHD) | ||
| Driving support ECU assembly (for RHD) | ||
| "BRAKE!" display malfunction*3 | Pre-collision system | |
| Combination meter assembly | ||
| Driving support ECU assembly (for LHD) | ||
| Driving support ECU assembly (for RHD) | ||
| "Holding in Engine Switch Will Cause an Emergency Engine Stop" display malfunction*4 | Smart entry and start system (for Entry Function) | |
| Smart entry and start system (for Start Function) | ||
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "To Restart Car Shift Lever to "N" and Press Engine Switch" display malfunction*4 | Smart entry and start system (for Entry Function) | |
| Smart entry and start system (for Start Function) | ||
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "The Engine Has Stopped Please Put Shift Lever into "P"" display malfunction (Speedometer, tachometer and shift position indicator are normal) | Combination meter assembly | |
| "The Engine Has Stopped Please Stop Your Car in a Safe Place" display malfunction (Speedometer, tachometer and shift position indicator are normal) | Combination meter assembly | |
| "Dynamic radar cruise control warning reminder indicator (image display)" display malfunction*3 | Dynamic radar cruise control system (for 1AR-FE) | |
| Dynamic radar cruise control system (for 2GR-FKS) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FKS) | ||
| "Lane departure alert warning reminder indicator (image display)" display malfunction*3 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Braking Power Low Stop in a Safe Place See Owner's Manual" display malfunction | Vehicle stability control system | |
| Combination meter assembly | ||
| Brake actuator assembly (Skid control ECU) | ||
| "The Accelerator is Stuck Please Depress Brake Pedal to Stop Car" display malfunction | SFI system (for 1AR-FE) | |
| SFI system (for 2GR-FKS) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FKS) | ||
| "Each door open" display malfunction (Door courtesy switch, glass hatch courtesy switch or hood courtesy switch is normal) | Combination meter assembly | |
| Main body ECU (Multiplex network body ECU) | ||
| "Clearance sonar detection (image display)" display malfunction*5 | Toyota parking assist-sensor system | |
| Combination meter assembly | ||
| Clearance warning ECU assembly | ||
| "Check Park Sonar System" display malfunction*5 | Toyota parking assist-sensor system | |
| Combination meter assembly | ||
| Clearance warning ECU assembly | ||
| "Clean Park Sonar" display malfunction*5 | Toyota parking assist-sensor system | |
| Combination meter assembly | ||
| Clearance warning ECU assembly | ||
| "Auto Power OFF to Conserve Battery" display malfunction*4 | Smart entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "EPS Failure Steering Wheel Harder to Turn" display malfunction | Power steering system | |
| Combination meter assembly | ||
| Power steering ECU assembly | ||
| "Voltage Abnormality Steering Wheel Harder to Turn" display malfunction | Power steering system | |
| Combination meter assembly | ||
| Power steering ECU assembly | ||
| "Check Power Steering System" display malfunction | Power steering system | |
| Combination meter assembly | ||
| Power steering ECU assembly | ||
| "Release Parking Brake" display malfunction (Brake warning light is normal) | Combination meter assembly | |
| Main body ECU (Multiplex network body ECU) | ||
| "Key not detected" display malfunction*4 | Smart entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "Lane Departure Alert Driver Attention Required" display malfunction*3 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "LDA Hold Steering Wheel" display malfunction*3 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "LDA Steering Assist Unavailable Hold Steering Wheel" display malfunction*3 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "SRS Airbag System Malfunction Visit Your Dealer" display malfunction (SRS warning light is normal) | Combination meter assembly | |
| "Engine Coolant High Temperature" display malfunction (Engine coolant temperature receiver gauge is normal) | SFI system (for 1AR-FE) | |
| SFI system (for 2GR-FKS) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FKS) | ||
| "Charging System Malfunction Stop in a Safe Place See Owner's Manual" display malfunction | Charging system (for 1AR-FE) | |
| Charging system (for 2GR-FKS) | ||
| Wire harness or connector (Combination meter assembly - Generator Assembly) (for 1AR-FE) | - | |
| Combination meter assembly | ||
| Generator assembly (for 1AR-FE) | ||
| ECM (for 2GR-FKS) | ||
| "Radar Cruise Control Unavailable Clean Sensor" display malfunction*3 | Dynamic radar cruise control system (for 1AR-FE) | |
| Dynamic radar cruise control system (for 2GR-FKS) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FKS) | ||
| "Radar Cruise Control Unavailable" display malfunction*3 | Dynamic radar cruise control system (for 1AR-FE) | |
| Dynamic radar cruise control system (for 2GR-FKS) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FKS) | ||
| "Radar Cruise Control Unavailable Depress Brake to Resume Driving" display malfunction*3 | Dynamic radar cruise control system (for 1AR-FE) | |
| Dynamic radar cruise control system (for 2GR-FKS) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FKS) | ||
| "LDA not available" display malfunction*3 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Check Entry & Start System" display malfunction*4 | Smart entry and start system (for Entry Function) | |
| Smart entry and start system (for Start Function) | ||
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "BSM not available" display malfunction*6 | Blind spot monitor system | |
| Combination meter assembly | ||
| Blind spot monitor sensor LH | ||
| "Cruise Control Malfunction Visit Your Dealer" display malfunction | Dynamic radar cruise control system (w/ Dynamic Radar Cruise Control System (for 1AR-FE)) | |
| Dynamic radar cruise control system (w/ Dynamic Radar Cruise Control System (for 2GR-FKS)) | ||
| Cruise control system (w/o Dynamic Radar Cruise Control System) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FKS) | ||
| "Cruise Control Fault Press Brake to Deactivate Visit Your Dealer" display malfunction*3 | Dynamic radar cruise control system (for 1AR-FE) | |
| Dynamic radar cruise control system (for 2GR-FKS) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FKS) | ||
| "Lane Departure Alert Malfunction Visit Your Dealer" display malfunction*3 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Forward Camera System Unavailable" display malfunction*3 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "LDA Steering Assist Deactivated Warnings Available" display malfunction*3 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Lane Departure Alert Turned On Steering Assist Active" display malfunction*3 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Lane Departure Alert Turned On Steering Assist Inactive" display malfunction*3 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Forward Camera System Unavailable Clean Windshield" display malfunction*3 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Pre-collision System Malfunction Visit Your Dealer" display malfunction*3 | Pre-collision system | |
| Combination meter assembly | ||
| Driving support ECU assembly (for LHD) | ||
| Driving support ECU assembly (for RHD) | ||
| "Check BSM System" display malfunction*6 | Blind spot monitor system | |
| Combination meter assembly | ||
| Blind spot monitor sensor LH | ||
| "Oil Pressure Low Stop in a Safe Place See Owner's Manual" display malfunction | Combination meter assembly: Read the Data List (Oil Pressure Switch) | |
| Engine oil pressure switch assembly (for 1AR-FE) | ||
| Engine oil pressure switch assembly (for 2GR-FKS) | ||
| Wire harness or connector (Combination meter assembly - Engine oil pressure switch assembly) | - | |
| Combination meter assembly | ||
| "Transmission Fluid High Temperature" display malfunction | Automatic transaxle system (for UA80E) | |
| Automatic transaxle system (for UA80F) | ||
| Automatic transaxle system (for U760E) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FKS) | ||
| "Check AWD System" display malfunction*1 | Dynamic torque control AWD/4WD system | |
| Combination meter assembly | ||
| 4WD ECU assembly (for LHD) | ||
| 4WD ECU assembly (for RHD) | ||
| "Radar Cruise Active Please Pay Attention to Other Vehicles" display malfunction*3 | Dynamic radar cruise control system (for 1AR-FE) | |
| Dynamic radar cruise control system (for 2GR-FKS) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FKS) | ||
| "Lane Departure Alert Unavailable Below Approx 50km/h" display malfunction*3 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Lane Departure Alert Unavailable at Current Speed" display malfunction*3 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Check Engine Reduced engine power Visit Your Dealer" display malfunction*8 | SFI system (for 2GR-FKS) | |
| Combination meter assembly | ||
| ECM (for 2GR-FKS) | ||
| "Check Engine Visit Your Dealer" display malfunction*8 | SFI system (for 2GR-FKS) | |
| Combination meter assembly | ||
| ECM (for 2GR-FKS) | ||
| "Reduced engine power Visit Your Dealer" display malfunction*8 | SFI system (for 2GR-FKS) | |
| Combination meter assembly | ||
| ECM (for 2GR-FKS) | ||
| "Engine maintenance required Visit Your Dealer" display malfunction*8 | SFI system (for 2GR-FKS) | |
| Combination meter assembly | ||
| ECM (for 2GR-FKS) | ||
| "Dynamic radar cruise control indicator (image display)" display malfunction*3 | Dynamic radar cruise control system (for 1AR-FE) | |
| Dynamic radar cruise control system (for 2GR-FKS) | ||
| Combination meter assembly | ||
| ECM (for 2GR-FKS) | ||
| "Lane departure alert indicator (image display)" display malfunction*3 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Engine Stopped Steering Wheel Harder to Turn" display malfunction | Power steering system | |
| Combination meter assembly | ||
| Power steering ECU assembly | ||
| "Turn Power OFF" display malfunction*4 | Smart entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "Would you like to take a rest?" display malfunction*3 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Please take a rest" display malfunction*3 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Key detected in vehicle" display malfunction*4 | Smart entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "Moon Roof opened" display malfunction*7 | Sliding roof system | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "Depress brake pedal, touch engine switch with key" display malfunction*4 | Smart entry and start system (for Entry Function) | |
| Smart entry and start system (for Start Function) | ||
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "Depress brake pedal and push engine switch to start" display malfunction*4 | Smart entry and start system (for Entry Function) | |
| Smart entry and start system (for Start Function) | ||
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "The Accelerator is Stuck Please Check the Accelerator" display malfunction | SFI system (for 1AR-FE) | |
| SFI system (for 2GR-FKS) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FKS) | ||
| "Steering Lock active" display malfunction*4 | Steering lock system | |
| Smart entry and start system (for Start Function) | ||
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "AWD system overheat 2WD mode engaged" display malfunction*1 | Dynamic torque control AWD/4WD system | |
| Combination meter assembly | ||
| 4WD ECU assembly (for LHD) | ||
| 4WD ECU assembly (for RHD) | ||
| "AWD system overheated Switching to 2WD mode" display malfunction*1 | Dynamic torque control AWD/4WD system | |
| Combination meter assembly | ||
| 4WD ECU assembly (for LHD) | ||
| 4WD ECU assembly (for RHD) | ||
| "Brake Override Malfunction Visit Your Dealer" display malfunction | SFI system (for 1AR-FE) | |
| SFI system (for 2GR-FKS) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FKS) | ||
| "Key Battery Low" display malfunction*4 | Smart entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "Engine Oil Level Low Add or Replace" display malfunction (Engine coolant temperature receiver gauge is normal) | SFI system (for 1AR-FE) | |
| SFI system (for 2GR-FKS) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FKS) | ||
| "Headlight System Malfunction Visit Your Dealer" display malfunction | Automatic headlight beam level control system | |
| Automatic high beam system (w/ Forward Recognition Camera) | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "Check RSA System" display malfunction*3 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Accelerator and Brake Pedals Depressed Simultaneously" display malfunction | SFI system (for 1AR-FE) | |
| SFI system (for 2GR-FKS) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FKS) | ||
| "Washer Fluid Low" display malfunction | Combination meter assembly: Read the Data List (Washer Switch) | |
| Level warning switch assembly | ||
| Wire harness or connector (Combination meter assembly - Level warning switch assembly) | - | |
| Combination meter assembly | ||
| "Fuel Low" display malfunction (Fuel receiver gauge is normal) | Combination meter assembly | |
| "Traction Control Turned Off" display malfunction | Vehicle stability control system | |
| Combination meter assembly | ||
| Brake actuator assembly (Skid control ECU) | ||
| "To Activate Auto High Beam Switch Headlights to High Beam" display malfunction*3 | Automatic high beam system | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "Depress brake pedal and push engine switch to start" display malfunction*4 | Smart entry and start system (for Entry Function) | |
| Smart entry and start system (for Start Function) | ||
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "VSC Turned Off Pre-collision Brake System Unavailable" display malfunction (VSC OFF indicator light is normal)*3 | Pre-collision system | |
| Combination meter assembly | ||
| Driving support ECU assembly (for LHD) | ||
| Driving support ECU assembly (for RHD) | ||
| "Pre-collision System Unavailable" display malfunction*3 | Pre-collision system | |
| Combination meter assembly | ||
| Driving support ECU assembly (for LHD) | ||
| Driving support ECU assembly (for RHD) | ||
| "Pre-Collision System Unavailable Clean Sensor" display malfunction*3 | Pre-collision system | |
| Combination meter assembly | ||
| Driving support ECU assembly (for LHD) | ||
| Driving support ECU assembly (for RHD) | ||
| "Pre-collision System Off" display malfunction*3 | Pre-collision system | |
| Combination meter assembly | ||
| Driving support ECU assembly (for LHD) | ||
| Driving support ECU assembly (for RHD) |
*1: for AWD
*2: w/o Forward Recognition Camera
*3: w/ Forward Recognition Camera
*4: w/ Smart Entry and Start System
*5: w/ TOYOTA Parking Assist-sensor System
*6: w/ Blind Spot Monitor System
*7: w/ Sliding Roof System
*8: for 2GR-FKS
| Symptom | Suspected Area | Link |
|---|---|---|
| All buzzers do not operate normally | Combination meter assembly | |
| Seat belt warning (for driver side) buzzer malfunction (Seat belt warning light operation is normal) | Check customize parameters (Driver Side Seatbelt Warning Buzzer) | |
| Combination meter assembly | ||
| Restart while driving notification buzzer malfunction*1 | Smart entry and start system (for Entry Function) | |
| Smart entry and start system (for Start Function) | ||
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| Engine switch operation while driving warning buzzer malfunction*1 | Smart entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| Seat belt warning (for front passenger side) buzzer malfunction (Seat belt warning light operation is normal) | Check customize parameters (Front Passenger Side Seatbelt Warning Buzzer) | |
| Combination meter assembly | ||
| Seat belt warning (for rear seats) buzzer malfunction (Rear seat belt indicator light operation is normal)*3 | Check customize parameters (Rear Seatbelt Warning Buzzer) | |
| Combination meter assembly | ||
| Vehicle roll-away notification (STEP 1) buzzer malfunction (Speedometer, tachometer and shift position indicator are normal) | Combination meter assembly | |
| Vehicle roll-away notification (STEP 2) buzzer malfunction (Speedometer, tachometer and shift position indicator are normal) | Combination meter assembly | |
| Brake fluid low warning buzzer malfunction (Brake warning light is normal) | Combination meter assembly | |
| Oil pressure warning buzzer malfunction | Engine oil pressure switch assembly (for 1AR-FE) | |
| Engine oil pressure switch assembly (for 2GR-FKS) | ||
| Wire harness or connector (Combination meter assembly - Engine oil pressure switch assembly) | - | |
| Combination meter assembly | ||
| EPS warning buzzer malfunction (EPS warning light is normal) | Combination meter assembly | |
| Engine coolant temperature warning buzzer malfunction (Engine coolant temperature receiver gauge is normal) | Combination meter assembly | |
| Door open when shift lever not in P warning buzzer malfunction*1 | Smart entry and start system (for Entry Function) (w/ Smart Entry and Start System) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| Smart key warning buzzer malfunction*1 | Smart entry and start system (for Entry Function) | |
| Smart entry and start system (for Start Function) | ||
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| Key reminder buzzer malfunction | Smart entry and start system (for Entry Function) (w/ Smart Entry and Start System) | |
| Key reminder buzzer circuit (Key reminder buzzer does not sound) (w/o Smart Entry and Start System) | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Brake system temperature rise or active test buzzer malfunction | Vehicle stability control system | |
| Combination meter assembly | ||
| Brake actuator assembly (Skid control ECU) | ||
| Temperature warning or crawl stop buzzer malfunction | Vehicle stability control system | |
| Combination meter assembly | ||
| Brake actuator assembly (Skid control ECU) | ||
| Multi-information display warning buzzer malfunction (Master warning light is normal) | Combination meter assembly | |
| Radar cruise control low speed cancel buzzer malfunction*2 | Dynamic radar cruise control system (for 1AR-FE) | |
| Dynamic radar cruise control system (for 2GR-FKS) | ||
| Combination meter assembly | ||
| ECM (for 2GR-FKS) | ||
| Lane departure alert cancel buzzer malfunction*2 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| Lane departure alert warning buzzer malfunction*2 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| Lane departure alert hands-free caution buzzer malfunction*2 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| Unsteady driving alert buzzer malfunction*2 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| Immobiliser key identification completion buzzer malfunction*1 | Smart entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| Driving with parking brake unreleased warning buzzer malfunction (Speedometer and parking brake warning light are normal) | Combination meter assembly | |
| Main body ECU (Multiplex network body ECU) | ||
| Driving with door open warning buzzer malfunction (Speedometer and door courtesy switch are normal) | Combination meter assembly | |
| Sports shift reject buzzer malfunction | SFI system (for 1AR-FE) | |
| SFI system (for 2GR-FKS) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FKS) | ||
| Turn signal flasher buzzer malfunction (Turn indicator lights are normal) | Check customize parameters (Flasher Sound Volume Adjustment) | |
| Combination meter assembly |
*1: w/ Smart Entry and Start System
*2: w/ Forward Recognition Camera
*3: w/ Rear Seat Belt Warning
| Symptom | Suspected Area | Link |
|---|---|---|
| "Diagnostic trouble code" display malfunction | Combination meter assembly | |
| Operating ODO/TRIP switch knob does not change odometer/TRIP meter display | Combination meter assembly | |
| Operating steering pad switch does not change multi-information display | Combination meter assembly: Read the Data List (Multi Switch (UP), Multi Switch (Down), Multi Switch (Menu), Multi Switch (ENTER), Multi Switch (Right), Multi Switch (Left) or Multi Switch (Back)) | |
| Steering pad switch assembly | ||
| Spiral cable sub-assembly | ||
| Wire harness or connector (Combination meter assembly - Spiral cable with sensor sub-assembly) | - | |
| Combination meter assembly | ||
| Operating light control switch knob does not change light brightness | Combination meter assembly | |
| Meter illumination is always dark | Illumination circuit (Meter illumination is always dark) | |
| Meter illumination does not dim at night | Illumination circuit (Meter illumination does not dim at night) | |
| Other systems that use the speed signal do not operate normally | Speed signal circuit |