Note
If the main body ECU (multiplex network body ECU) is replaced, refer to Service Bulletin.*1
*1: 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 | ||
| Door open warning light malfunction (Each door courtesy switch or glass hatch courtesy switch operation is normal)*1 | Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Doors All Open) | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| 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 | ||
| Main body ECU (Multiplex network body ECU) | ||
| 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) | ||
| 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 | ||
| Charge warning light malfunction*1 | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Charge) | ||
| SFI system (for 1AR-FE) | ||
| SFI system (for 2GR-FE) | ||
| Charging system (for 1AR-FE) | ||
| Charging system (for 2GR-FE) | ||
| Generator assembly (for 1AR-FE) | ||
| Generator assembly (for 2GR-FE) | ||
| Wire harness or connector (Combination meter assembly - Generator assembly) | - | |
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FE) | ||
| Engine oil pressure warning light malfunction*1 | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. Oil Pressure) | ||
| Engine oil pressure switch assembly (for 1AR-FE) | ||
| Engine oil pressure switch assembly (for 2GR-FE) | ||
| Wire harness or connector (Combination meter assembly - Engine oil pressure switch assembly) | - | |
| Combination meter 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 | ||
| 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-FE) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FE) | ||
| PCS warning light malfunction*3 | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. Precrash) | ||
| Pre-crash safety 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) | ||
| 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-FE) | ||
| Wire harness or connector (Combination meter assembly - Fuel sender gauge assembly) | - | |
| Combination meter assembly | ||
| Rear fog indicator light malfunction (Rear fog light is normal)*7 | Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Rr FOG) | |
| Lighting system | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| SNOW indicator display malfunction*1 | Automatic transaxle system (for U660E) | |
| Automatic transaxle system (for U660F) | ||
| Automatic transaxle system (for U760E) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FE) | ||
| AWD lock indicator light malfunction*4 | 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*5 | 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) | ||
| Cruise control indicator light malfunction*1 | Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Cruise) | |
| Cruise control indicator light circuit (Cruise main indicator light circuit) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FE) | ||
| 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*4 | 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-FE) | ||
| Cruise control SET indicator light malfunction*1 | Combination meter assembly (LED): Perform Active Test (Indicat. SET) | |
| Cruise control SET indicator light circuit (Cruise SET indicator light circuit) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FE) | ||
| Clearance sonar indicator light malfunction*6 | Combination meter assembly (LED): Perform Active Test (Indicat. Clearance Sonar LCD) | |
| Toyota parking assist-sensor system | ||
| Combination meter assembly | ||
| Clearance warning ECU assembly | ||
| Rear seat belt warning indicator light malfunction*8 | Combination meter assembly: Read the Data List (2nd-Row SeatbeltBuckle (R), 2nd-Row SeatbeltBuckle (L), 2nd-Row SeatbeltBuckle (C)) | |
| Rear seat belt warning light circuit | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) |
*1: for Multi-information Display (Monochrome Type)
*2: for Multi-information Display (Color Type)
*3: w/ Pre-crash Safety System
*4: for AWD
*5: w/ Automatic High Beam System
*6: w/ Parking Assist Monitor System
*7: w/ Rear Fog Light
*8: w/ Rear Seat Belt Warning
| 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 | |
| "Eco driving indicator zone" display malfunction | Combination meter assembly | |
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FE) | ||
| "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 | |
| "Drivable distance" 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 | |
| "Driving distance (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 | |
| "Setting" display malfunction | Combination meter assembly | |
| "Other (Blank)" display malfunction | Combination meter assembly | |
| "Shift position" display malfunction | Automatic transaxle system (for U660E) | |
| Automatic transaxle system (for U660F) | ||
| Automatic transaxle system (for U760E) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FE) | ||
| "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 | ||
| "ACCESSORY" display malfunction*2 | Smart key system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "IGNITION ON" display malfunction*2 | Smart key system (for Entry 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) | ||
| "HOLDING IN ENGINE SWITCH WILL CAUSE AN EMERGENCY ENGINE STOP." display malfunction*2 | 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*2 | 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 | |
| "THE ACCELERATOR IS STUCK. PLEASE DEPRESS BRAKE PEDAL TO STOP CAR." display malfunction | SFI system (for 1AR-FE) | |
| SFI system (for 2GR-FE) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FE) | ||
| "Each door open" display malfunction (Door 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*3 | Toyota parking assist-sensor system | |
| Combination meter assembly | ||
| Clearance warning ECU assembly | ||
| "CHECK SONAR" display malfunction*3 | Toyota parking assist-sensor system | |
| Combination meter assembly | ||
| Clearance warning ECU assembly | ||
| "CLEAN SONAR" display malfunction*3 | Toyota parking assist-sensor system | |
| Combination meter assembly | ||
| Clearance warning ECU assembly | ||
| "Glass door open" display malfunction (Glass hatch courtesy switch is normal)*4 | Combination meter assembly | |
| Main body ECU (Multiplex network body ECU) | ||
| "AUTO POWER OFF TO CONSERVE BATTERY" display malfunction*2 | Smart entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "SHIFT TO P POSITION WHEN PARKED" display malfunction*2 | 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*2 | Smart entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "CHECK ENTRY & START SYSTEM" display malfunction*2 | 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) | - | |
| "CHECK CRUISE CONTROL SYSTEM" display malfunction | Cruise control system | |
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FE) | ||
| "TRANSMISSION FLUID HIGH TEMPERATURE" display malfunction | Automatic transaxle system (for U660E) | |
| Automatic transaxle system (for U660F) | ||
| Automatic transaxle system (for U760E) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FE) | ||
| "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) | ||
| "ENGINE STOPPED, STEERING WHEEL HARDER TO TURN." display malfunction | Power steering system | |
| Combination meter assembly | ||
| Power steering ECU assembly | ||
| "TURN POWER OFF" display malfunction*2 | Smart entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "KEY DETECTED IN VEHICLE" display malfunction*2 | Smart entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "MOON ROOF OPENED" display malfunction*5 | Sliding roof system | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "DEPRESS BRAKE PEDAL, TOUCH ENGINE SWITCH WITH KEY" display malfunction*2 | 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*2 | 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-FE) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FE) | ||
| "STEERING LOCK ACTIVE" display malfunction*2 | Steering lock system | |
| Smart entry and start system (for Start Function) | ||
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "AWD SYSTEM OVERHEAT. 2WD SYSTEM 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 SYSTEM FAILURE." display malfunction | SFI system (for 1AR-FE) | |
| SFI system (for 2GR-FE) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FE) | ||
| "KEY BATTERY LOW" display malfunction*2 | Smart entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "CHECK HEADLIGHT SYSTEM" display malfunction*6 | Lighting system (for LED Headlight) | |
| Automatic headlight beam level control system (w/ Automatic Headlight Beam level Control System) | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "BOTH ACCELERATOR AND BRAKE PEDALS ARE DEPRESSED." display malfunction | SFI system (for 1AR-FE) | |
| SFI system (for 2GR-FE) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FE) | ||
| "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 | |
| "TRC OFF" display malfunction | Vehicle stability control system | |
| Combination meter assembly | ||
| Brake actuator assembly (Skid control ECU) | ||
| "Engine start possible condition (Smart key symbol)" display malfunction*2 | 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) | - |
*1: for AWD
*2: w/ Smart Entry and Start System
*3: w/ Parking Assist Monitor System
*4: w/ Glass Hatch Opener System
*5: w/ Sliding Roof System
*6: for LED Headlight
| 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-FE) | ||
| "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) | ||
| "Cruise control operation guide tab" display malfunction*3 | Dynamic radar cruise control system | |
| Combination meter assembly | ||
| Driving support ECU assembly (for LHD) | ||
| Driving support ECU assembly (for RHD) | ||
| ECM (for 2GR-FE) | ||
| "Message tab" display malfunction | Combination meter assembly | |
| "Setting tab" display malfunction | Combination meter assembly | |
| "Shift position" display malfunction | Automatic transaxle system (for U660E) | |
| Automatic transaxle system (for U660F) | ||
| Automatic transaxle system (for U760E) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FE) | ||
| "SNOW indicator light" display malfunction | Automatic transaxle system (for U660E) | |
| Automatic transaxle system (for U660F) | ||
| Automatic transaxle system (for U760E) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FE) | ||
| "Cruise control SET indicator light" display malfunction | Cruise control SET indicator light circuit (w/ Dynamic Radar Cruise Control System) | |
| Cruise control SET indicator light circuit (w/o Dynamic Radar Cruise Control System) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FE) | ||
| "Cruise control indicator light" display malfunction*2 | Cruise main indicator light circuit | |
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FE) | ||
| "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) | |
| Combination meter assembly | ||
| ECM (for 2GR-FE) | ||
| "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) | |
| Combination meter assembly | ||
| ECM (for 2GR-FE) | ||
| "Lane departure alert indicator light" display malfunction*4 | Lane departure alert indicator light circuit (Indicator circuit) | |
| Combination meter assembly | ||
| Lane departure warning camera | ||
| "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) | ||
| "Cruise control main switch guide" display malfunction*3 | Dynamic radar cruise control system | |
| Combination meter assembly | ||
| Driving support ECU assembly (for LHD) | ||
| Driving support ECU assembly (for RHD) | ||
| ECM (for 2GR-FE) | ||
| "ACCESSORY" display malfunction*5 | Smart entry and start system (for Start Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "IGNITION ON" display malfunction*5 | 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) | ||
| "Adjusting LDA Camera" display malfunction*4 | Lane departure alert system | |
| Combination meter assembly | ||
| Lane departure warning camera | ||
| "Adjusting Front Radar Beam" display malfunction*3 | Dynamic radar cruise control system | |
| Combination meter assembly | ||
| Driving support ECU assembly (for LHD) | ||
| Driving support ECU assembly (for RHD) | ||
| "BRAKE!" display malfunction*6 | Pre-crash safety 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*5 | 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*5 | 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 | |
| Combination meter assembly | ||
| ECM (for 2GR-FE) | ||
| "Lane departure alert warning reminder indicator (image display)" display malfunction*4 | Lane departure alert system | |
| Combination meter assembly | ||
| Lane departure warning camera | ||
| "The Accelerator is Stuck. Please Depress Brake Pedal to Stop Car." display malfunction | SFI system (for 1AR-FE) | |
| SFI system (for 2GR-FE) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FE) | ||
| "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*7 | Toyota parking assist-sensor system | |
| Combination meter assembly | ||
| Clearance warning ECU assembly | ||
| "Check Park Sonar System" display malfunction*7 | Toyota parking assist-sensor system | |
| Combination meter assembly | ||
| Clearance warning ECU assembly | ||
| "Clean Park Sonar" display malfunction*7 | Toyota parking assist-sensor system | |
| Combination meter assembly | ||
| Clearance warning ECU assembly | ||
| "Auto Power OFF to Conserve Battery" display malfunction*5 | Smart entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "Shift to P position when parked" display malfunction*5 | 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*5 | Smart entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "Engine Coolant High Temperature" display malfunction (Engine coolant temperature receiver gauge is normal) | SFI system (for 1AR-FE) | |
| SFI system (for 2GR-FE) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FE) | ||
| "Clean Radar Sensor" display malfunction*3 | Dynamic radar cruise control system | |
| Combination meter assembly | ||
| ECM (for 2GR-FE) | ||
| "Cruise Control not available" display malfunction*3 | Dynamic radar cruise control system | |
| Combination meter assembly | ||
| ECM (for 2GR-FE) | ||
| "LDA not available" display malfunction*4 | Lane departure alert system | |
| Combination meter assembly | ||
| Lane departure warning camera | ||
| "Check Entry & Start System" display malfunction*5 | 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*8 | Blind spot monitor system | |
| Combination meter assembly | ||
| Blind spot monitor sensor LH | ||
| "Check Cruise Control System" display malfunction | Dynamic radar cruise control system (w/ Dynamic Radar Cruise Control System) | |
| Cruise control system (w/o Dynamic Radar Cruise Control System) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FE) | ||
| "Check LDA System" display malfunction*4 | Lane departure alert system | |
| Combination meter assembly | ||
| Lane departure warning camera | ||
| "Check PCS System" display malfunction*6 | Pre-crash safety system | |
| Combination meter assembly | ||
| Driving support ECU assembly (for LHD) | ||
| Driving support ECU assembly (for RHD) | ||
| "Check BSM System" display malfunction*8 | Blind spot monitor system | |
| Combination meter assembly | ||
| Blind spot monitor sensor LH | ||
| "Engine Oil Pressure Low" 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-FE) | ||
| 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 U660E) | |
| Automatic transaxle system (for U660F) | ||
| Automatic transaxle system (for U760E) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FE) | ||
| "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) | ||
| "LDA System is Unavailable Below Approx. 50 km/h." display malfunction*4 | Lane departure alert system | |
| Combination meter assembly | ||
| Lane departure warning camera | ||
| "LDA System is Unavailable at this Speed." display malfunction*4 | Lane departure alert system | |
| Combination meter assembly | ||
| Lane departure warning camera | ||
| "Dynamic radar cruise control indicator (image display)" display malfunction*3 | Dynamic radar cruise control system | |
| Combination meter assembly | ||
| ECM (for 2GR-FE) | ||
| "Lane departure alert indicator (image display)" display malfunction*4 | Lane departure alert system | |
| Combination meter assembly | ||
| Lane departure warning 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*5 | Smart entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "Key detected in vehicle" display malfunction*5 | Smart entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "Moon Roof opened" display malfunction*9 | Sliding roof system | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "Depress brake pedal, touch engine switch with key" display malfunction*5 | 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*5 | 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-FE) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FE) | ||
| "Steering Lock active" display malfunction*5 | 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 System Failure." display malfunction | SFI system (for 1AR-FE) | |
| SFI system (for 2GR-FE) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FE) | ||
| "Key Battery Low" display malfunction*5 | Smart entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "Check Headlight System" display malfunction | Lighting system | |
| Automatic headlight beam level control system | ||
| Automatic high beam system (w/ Automatic High Beam System) | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "Both Accelerator and Brake Pedals Are Depressed." display malfunction | SFI system (for 1AR-FE) | |
| SFI system (for 2GR-FE) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FE) | ||
| "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 | |
| "TRC OFF" display malfunction | Vehicle stability control system | |
| Combination meter assembly | ||
| Brake actuator assembly (Skid control ECU) | ||
| "Turn on the high beam to activate AHB System" display malfunction*10 | 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*5 | 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 System Switched Off. Pre-Crash Brake System Disengaged." display malfunction*6 | Pre-crash safety system | |
| Combination meter assembly | ||
| Driving support ECU assembly (for LHD) | ||
| Driving support ECU assembly (for RHD) | ||
| "PCS temporarily not available" display malfunction*6 | Pre-crash safety system | |
| Combination meter assembly | ||
| Driving support ECU assembly (for LHD) | ||
| Driving support ECU assembly (for RHD) |
*1: for AWD
*2: w/o Dynamic Radar Cruise Control System
*3: w/ Dynamic Radar Cruise Control System
*4: w/ Lane Departure Alert System
*5: w/ Smart Entry and Start System
*6: w/ Pre-crash Safety System
*7: w/ Parking Assist Monitor System
*8: w/ Blind Spot Monitor System
*9: w/ Sliding Roof System
*10: w/ Automatic High Beam System
| 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)*4 | 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-FE) | ||
| 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 | |
| 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 | |
| Combination meter assembly | ||
| ECM (for 2GR-FE) | ||
| 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 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-FE) | ||
| Combination meter assembly | ||
| ECM (for 1AR-FE) | ||
| ECM (for 2GR-FE) | ||
| Sliding roof open warning buzzer malfunction*3 | Sliding roof system | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Turn signal flasher buzzer malfunction (Turn indicator light is normal) | Check customize parameters (Flasher Sound Volume Adjustment) | |
| Combination meter assembly |
*1: w/ Smart Entry and Start System
*2: w/ Dynamic Radar Cruise Control System
*3: w/ Sliding Roof System
*4: 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 DISP switch (Steering pad switch assembly) does not change multi-information display*1 | Steering pad switch assembly | |
| Spiral cable sub-assembly | ||
| Wire harness or connector (Combination meter assembly - Spiral cable sub-assembly) | - | |
| Combination meter assembly | ||
| Operating steering pad switch does not change multi-information display*2 | Combination meter assembly: Read the Data List (Multi Switch (UP), Multi Switch (Down), Multi Switch (Menu), Multi Switch (ENTER), Multi Switch (Right) or Multi Switch (Left)) | |
| Steering pad switch assembly | ||
| Spiral cable sub-assembly | ||
| Wire harness or connector (Combination meter assembly - Spiral cable 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 |
*1: for Multi-information Display (Monochrome Type)
*2: for Multi-information Display (Color Type)