Tech Tips
Use the table below to help determine the causes of the problem symptom. 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 area in the order they are listed. Replace parts as necessary.
| Symptom | Suspected Area | See page |
|---|---|---|
| Entire combination meter does not operate | Combination meter circuit |
| Symptom | Suspected Area | See page |
|---|---|---|
| Speedometer malfunction | Speedometer circuit | |
| Tachometer malfunction | Tachometer circuit | |
| Fuel receiver gauge malfunction | Fuel receiver gauge circuit | |
| Engine coolant temperature receiver gauge malfunction | Engine coolant temperature receiver gauge circuit |
| Symptom | Suspected Area | See page |
|---|---|---|
| CHECK E/G warning light does not come on | CAN communication system | |
| Perform Active Test (Check Engine Indicator) | ||
| SFI system (for 2TR-FE, w/ Secondary Air Injection System) | ||
| SFI system (for 2TR-FE, w/o Secondary Air Injection System) | ||
| ECD system (for 2KD-FTV) | ||
| ECD system (for 5L-E) | ||
| ECD system (for 1KD-FTV, w/o DPF) | ||
| ECD system (for 1KD-FTV, w/ DPF) | ||
| SFI system (for 1TR-FE) | ||
| Combination meter assembly | ||
| CHARGE warning light does not come on | Perform Active Test (Indicat. Lamp Charge) | |
| Harness or connector | - | |
| Generator assembly (for 2TR-FE) | ||
| Generator assembly (for 2KD-FTV) | ||
| Generator assembly (for 5L-E) | ||
| Generator assembly (for 1KD-FTV) | ||
| Generator assembly (for 1TR-FE) | ||
| Combination meter assembly | ||
| BRAKE warning light does not come on | Perform Active Test (Indicat. Lamp Brake) | |
| Harness or connector | - | |
| Brake actuator assembly*1 | ||
| Parking brake switch assembly | ||
| Brake master cylinder reservoir sub-assembly | ||
| Combination meter assembly | ||
| BRAKE warning light does not go off | Perform Active Test (Indicat. Lamp Brake) | |
| Harness or connector | - | |
| Brake actuator assembly*1 | ||
| Parking brake switch assembly | ||
| Brake master cylinder reservoir sub-assembly | ||
| Combination meter assembly | ||
| ABS warning light does not come on*1 | Harness or connector | - |
| Anti-lock brake system | ||
| Combination meter assembly | ||
| ABS warning light does not go off*1 | Harness or connector | - |
| Anti-lock brake system | ||
| Combination meter assembly | ||
| AIRBAG warning light does not come on*2 | Harness or connector | - |
| Airbag system | ||
| Combination meter assembly | ||
| AIRBAG warning light does not go off*2 | Harness or connector | - |
| Airbag system | ||
| Combination meter assembly | ||
| DOOR warning light does not come on | Harness or connector | - |
| Door courtesy light switch assembly | ||
| Combination meter assembly | ||
| FUEL warning light does not come on | Perform Active Test (Indicat. Lamp Fuel) | |
| Fuel sender gauge assembly | ||
| Harness or connector | - | |
| Combination meter assembly | ||
| OIL warning light does not come on*8 | Perform Active Test (Indicat. Oil Pressure) | |
| Harness or connector | - | |
| Engine oil pressure switch | ||
| Combination meter assembly | ||
| OIL warning light does not come on*9 | CAN communication system | |
| Perform Active Test (Indicat. Oil Pressure) | ||
| ECD system | ||
| Combination meter assembly | ||
| Front seat belt warning light does not come on | Perform Active Test (Driver Side Seat Belt, Front Passenger Side Seat Belt) | |
| Seat belt warning system | ||
| Combination meter assembly | ||
| Brake override system warning light does not come on | CAN communication system | |
| Perform Active Test (Brake Override Indicator) | ||
| ECM (for 2TR-FE) | ||
| ECM (for 2KD-FTV) | ||
| ECM (for 5L-E) | ||
| ECM (for 1KD-FTV) | ||
| ECM (for 1TR-FE) | ||
| Combination meter assembly | ||
| LED headlight warning light does not come on*12, *13 | CAN communication system | |
| Perform Active Test (LED Head Lamp Warning) | ||
| Headlight leveling ECU assembly (for LHD) | ||
| Headlight leveling ECU assembly (for RHD) | ||
| Combination meter assembly | ||
| Speed warning light does not come on (Speedometer operate normally)*4 | CAN communication system | |
| Perform Active Test (Indicat. Over Speed) | ||
| Combination meter assembly | ||
| Master warning light does not come on (Other systems operate normally)*14 | Combination meter assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| Turn indicator light does not come on | Perform Active Test [Turn Signal (Left) Indicator, Turn Signal (Right) Indicator] | |
| Harness or connector | - | |
| Lighting system | ||
| Combination meter assembly | ||
| BEAM indicator light does not come on | Harness or connector | - |
| Headlight dimmer switch assembly | ||
| Combination meter assembly | ||
| GLOW indicator light does not come on*3 | CAN communication system | |
| Perform Active Test (Indicat GLOW) | ||
| ECD system (for 2KD-FTV) | ||
| ECD system (for 5L-E) | ||
| ECD system (for 1KD-FTV, w/o DPF) | ||
| ECD system (for 1KD-FTV, w/ DPF) | ||
| Combination meter assembly | ||
| TAIL indicator light does not come on | Perform Active Test (Indicat. Lamp Tail) | |
| Harness or connector | - | |
| Headlight dimmer switch assembly | ||
| Combination meter assembly | ||
| Fr FOG indicator light does not come on*17 | Harness or connector | - |
| Combination meter assembly | ||
| Rr FOG indicator light does not come on*18 | Harness or connector | - |
| Combination meter assembly | ||
| OIL LEVEL indicator light does not come on | Perform Active Test (Indicat. Lamp Oil Level) | |
| Engine oil level sensor | ||
| Harness or connector | - | |
| Combination meter assembly | ||
| T-BELT indicator light does not come on*3 | Perform Active Test (Indicat. Timing Belt) | |
| T-BELT Indicator Setting | ||
| Combination meter assembly | ||
| SEDIMENT/FILTER indicator light does not come on*3 | Perform Active Test (Indicat. Lamp Water Level, Fuel Filter Indicator) | |
| Harness or connector | - | |
| Fuel filter assembly | ||
| SEDIMENT/FILTER indicator light | ||
| Combination meter assembly | ||
| Security indicator light does not come on*6, *10 | Harness or connector | - |
| Transponder Key ECU | - | |
| Combination meter assembly | ||
| Security indicator light does not come on*11 | Harness or connector | - |
| Certification ECU (smart key ECU assembly) | - | |
| Combination meter assembly | ||
| Eco driving indicator light does not come on*7 | Check customize setting | |
| CAN communication system | ||
| Perform Active Test (Indicat. ECONO) | ||
| ECM (for 2TR-FE) | ||
| ECM (for 2KD-FTV) | ||
| ECM (for 1KD-FTV) | ||
| ECM (for 1TR-FE) | ||
| Combination meter assembly | ||
| DPF indicator light does not come on*9 | CAN communication system | |
| Perform Active Test (Indicat. ECONO) | ||
| ECM | ||
| Combination meter assembly | ||
| Headlight beam level control system indicator light does not come on*12, *13 | CAN communication system | |
| Perform Active Test (Indicat. Headlamp Auto Leveling) | ||
| Headlight leveling ECU assembly (for LHD) | ||
| Headlight leveling ECU assembly (for RHD) | ||
| Combination meter assembly | ||
| Smart entry indicator light does not come on*11 | CAN communication system | |
| Perform Active Test (Smart System Indicator, Smart System Warning) | ||
| Certification ECU (smart key ECU assembly) | - | |
| Combination meter assembly | ||
| Cruise control indicator light does not come on*15 | CAN communication system | |
| Perform Active Test (Indicat. Lamp Cruise, Cruise Indicator) | ||
| Cruise control system | ||
| Combination meter assembly | ||
| SET indicator light does not come on*15 | CAN communication system | |
| Perform Active Test (Indicat. SET) | ||
| Cruise control system | ||
| Combination meter assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| Outside temperature display malfunction | Ambient temperature sensor | |
| Harness or connector | - | |
| Combination meter assembly | ||
| Road surface ice display malfunction (outside temperature display operates normally) | Combination meter assembly | |
| Current fuel consumption display malfunction (Combination meter assembly operates normally) | Combination meter assembly | |
| Average fuel consumption after refueling display malfunction (Combination meter assembly operates normally) | Combination meter assembly | |
| Cruising range display malfunction (Combination meter assembly operates normally) | Combination meter assembly | |
| Rheostat display malfunction (Combination meter assembly operates normally) | Combination meter assembly | |
| ODO/TRIP meter display malfunction (Combination meter assembly operates normally) | Combination meter assembly | |
| DTCs display malfunction (Others system operates normally) | Combination meter assembly | |
| Eco driving indicator zone display malfunction*14 | Check customize setting | |
| CAN communication system | ||
| ECM (for 2TR-FE) | ||
| ECM (for 2KD-FTV) | ||
| ECM (for 1KD-FTV) | ||
| ECM (for 1TR-FE) | ||
| Combination meter assembly | ||
| Clock display malfunction | Combination meter assembly | |
| Shift position indicator malfunction*7 | CAN communication system | |
| Automatic transmission system (A45DE) | ||
| Automatic transmission system (A340E) | ||
| Automatic transmission system (A343E) | ||
| ECM (for 2TR-FE) | ||
| ECM (for 2KD-FTV) | ||
| ECM (for 5L-E) | ||
| ECM (for 1KD-FTV) | ||
| ECM (for 1TR-FE) | ||
| Combination meter assembly | ||
| DPF indicator malfunction*9 | CAN communication system | |
| ECD system | ||
| ECM | ||
| Combination meter assembly | ||
| "HOLDING IN ENGINE SWITCH WILL CAUSE AN EMERGENCY ENGINE STOP." message is displayed when it should not be, not displayed when it should be, or not displayed correctly*11, *14 | CAN communication system | |
| Smart entry and start system (for Start Function) | ||
| Certification ECU (smart key ECU assembly) | - | |
| Combination meter assembly | ||
| "TO RESTART CAR, SHIFT LEVER TO N AND PRESS ENGINE SWITCH." message is displayed when it should not be, not displayed when it should be, or not displayed correctly*11, *14 | CAN communication system | |
| Smart entry and start system (for Start Function) | ||
| Certification ECU (smart key ECU assembly) | - | |
| Combination meter assembly | ||
| "THE ENGINE HAS STOPPED. PLEASE PUT SHIFT LEVER INTO P." message is displayed when it should not be, not displayed when it should be, or not displayed correctly (Combination meter assembly operates normally)*14 | Combination meter assembly | |
| "THE ENGINE HAS STOPPED. PLEASE STOP YOUR CAR IN A SAFE PLACE." message is displayed when it should not be, not displayed when it should be, or not displayed correctly (Combination meter assembly operates normally)*14 | Combination meter assembly | |
| "TO RESTART CAR, SHIFT LEVER TO N AND TURN KEY." message is displayed when it should not be, not displayed when it should be, or not displayed correctly (Combination meter assembly operates normally)*10, *14 | Combination meter assembly | |
| "THE ACCELERATOR IS STUCK. PLEASE DEPRESS BRAKE PEDAL TO STOP CAR." message is displayed when it should not be, not displayed when it should be, or not displayed correctly*14 | CAN communication system | |
| SFI system (for 2TR-FE, w/ Secondary Air Injection System) | ||
| SFI system (for 2TR-FE, w/o Secondary Air Injection System) | ||
| ECD system (for 2KD-FTV) | ||
| ECD system (for 5L-E) | ||
| ECD system (for 1KD-FTV, w/o DPF) | ||
| ECD system (for 1KD-FTV, w/ DPF) | ||
| SFI system (for 1TR-FE) | ||
| ECM (for 2TR-FE) | ||
| ECM (for 2KD-FTV) | ||
| ECM (for 5L-E) | ||
| ECM (for 1KD-FTV) | ||
| ECM (for 1TR-FE) | ||
| Combination meter assembly | ||
| "AUTO POWER OFF TO CONSERVE BATTERY" message is displayed when it should not be, not displayed when it should be, or not displayed correctly*14 | CAN communication system | |
| Certification ECU (smart key ECU assembly) | - | |
| Combination meter assembly | ||
| "SHIFT TO P POSITION WHEN PARKED" message is displayed when it should not be, not displayed when it should be, or not displayed correctly*7, *11, *14 | CAN communication system | |
| Smart entry and start system (for Start Function) | ||
| Certification ECU (smart key ECU assembly) | - | |
| Combination meter assembly | ||
| "RELEASE PARKING BRAKE" message is displayed when it should not be, not displayed when it should be, or not displayed correctly (Brake warning light operates normally)*14 | Combination meter assembly | |
| "KEY NOT DETECTED" message is displayed when it should not be, not displayed when it should be, or not displayed correctly*11, *14 | CAN communication system | |
| Smart entry and start system (for Start Function) | ||
| Certification ECU (smart key ECU assembly) | - | |
| Combination meter assembly | ||
| "CHECK ENTRY & START SYSTEM" message is displayed when it should not be, not displayed when it should be, or not displayed correctly*11, *14 | CAN communication system | |
| Smart entry and start system (for Start Function) | ||
| Smart entry and start system (for Entry Function) | ||
| Certification ECU (smart key ECU assembly) | - | |
| Combination meter assembly | ||
| "CHECK CRUISE CONTROL SYSTEM" message is displayed when it should not be, not displayed when it should be, or not displayed correctly*14, *15 | CAN communication system | |
| Cruise control system | ||
| ECM (for 2TR-FE) | ||
| ECM (for 1KD-FTV) | ||
| Combination meter assembly | ||
| "ENGINE OIL PRESSURE LOW" message is displayed when it should not be, not displayed when it should be, or not displayed correctly*8, *14 | Engine oil pressure switch | |
| Harness or connector | - | |
| Combination meter assembly | ||
| "ENGINE OIL PRESSURE LOW" message is displayed when it should not be, not displayed when it should be, or not displayed correctly*9, *14 | CAN communication system | |
| ECD system | ||
| ECM | ||
| Combination meter assembly | ||
| "TURN POWER OFF" message is displayed when it should not be, not displayed when it should be, or not displayed correctly*11, *14 | CAN communication system | |
| Smart entry and start system (for Entry Function) | ||
| Certification ECU (smart key ECU assembly) | - | |
| Combination meter assembly | ||
| "KEY DETECTED IN VEHICLE" message is displayed when it should not be, not displayed when it should be, or not displayed correctly*11, *14 | CAN communication system | |
| Smart entry and start system (for Entry Function) | ||
| Certification ECU (smart key ECU assembly) | - | |
| Combination meter assembly | ||
| "DEPRESS BRAKE PEDAL, TOUCH ENGINE SWITCH WITH KEY" message is displayed when it should not be, not displayed when it should be, or not displayed correctly*11, *14 | CAN communication system | |
| Smart entry and start system (for Start Function) | ||
| Certification ECU (smart key ECU assembly) | - | |
| Combination meter assembly | ||
| "DEPRESS BRAKE PEDAL AND PUSH ENGINE SWITCH TO START" message is displayed when it should not be, not displayed when it should be, or not displayed correctly*11, *14 | CAN communication system | |
| Smart entry and start system (for Start Function) | ||
| Certification ECU (smart key ECU assembly) | - | |
| Combination meter assembly | ||
| "THE ACCELERATOR IS STUCK. PLEASE CHECK THE ACCELERATOR." message is displayed when it should not be, not displayed when it should be, or not displayed correctly*14 | CAN communication system | |
| SFI system (for 2TR-FE, w/ Secondary Air Injection System) | ||
| SFI system (for 2TR-FE, w/o Secondary Air Injection System) | ||
| ECD system (for 2KD-FTV) | ||
| ECD system (for 5L-E) | ||
| ECD system (for 1KD-FTV, w/o DPF) | ||
| ECD system (for 1KD-FTV, w/ DPF) | ||
| SFI system (for 1TR-FE) | ||
| ECM (for 2TR-FE) | ||
| ECM (for 2KD-FTV) | ||
| ECM (for 5L-E) | ||
| ECM (for 1KD-FTV) | ||
| ECM (for 1TR-FE) | ||
| Combination meter assembly | ||
| "STEERING LOCK ACTIVE" message is displayed when it should not be, not displayed when it should be, or not displayed correctly*11, *14 | CAN communication system | |
| Steering lock system | ||
| Certification ECU (smart key ECU assembly) | - | |
| Combination meter assembly | ||
| "BRAKE OVERRIDE SYSTEM FAILURE." message is displayed when it should not be, not displayed when it should be, or not displayed correctly*14 | CAN communication system | |
| SFI system (for 2TR-FE, w/ Secondary Air Injection System) | ||
| SFI system (for 2TR-FE, w/o Secondary Air Injection System) | ||
| ECD system (for 2KD-FTV) | ||
| ECD system (for 5L-E) | ||
| ECD system (for 1KD-FTV, w/o DPF) | ||
| ECD system (for 1KD-FTV, w/ DPF) | ||
| SFI system (for 1TR-FE) | ||
| ECM (for 2TR-FE) | ||
| ECM (for 2KD-FTV) | ||
| ECM (for 5L-E) | ||
| ECM (for 1KD-FTV) | ||
| ECM (for 1TR-FE) | ||
| Combination meter assembly | ||
| "KEY BATTERY LOW" message is displayed when it should not be, not displayed when it should be, or not displayed correctly*11, *14 | CAN communication system | |
| Smart entry and start system (for Entry Function) | ||
| Certification ECU (smart key ECU assembly) | - | |
| Combination meter assembly | ||
| "DRAIN WATER FROM FUEL FILTER" message is displayed when it should not be, not displayed when it should be, or not displayed correctly*3, *14 | Fuel filter assembly | |
| Harness or connector | - | |
| Combination meter assembly | ||
| "ENGINE OIL LOW" message is displayed when it should not be, not displayed when it should be, or not displayed correctly*14 | Engine oil level sensor | |
| Harness or connector | - | |
| Combination meter assembly | ||
| "CHECK HEADLIGHT SYSTEM" message is displayed when it should not be, not displayed when it should be, or not displayed correctly*12, *14 | CAN communication system | |
| Lighting system | ||
| Headlight leveling ECU assembly (for LHD) | ||
| Headlight leveling ECU assembly (for RHD) | ||
| Combination meter assembly | ||
| "DPF FULL ENGINE SERVICE REQUIRED" message is displayed when it should not be, not displayed when it should be, or not displayed correctly*9, *14 | CAN communication system | |
| ECM | ||
| Combination meter assembly | ||
| "BOTH ACCELERATOR AND BRAKE PEDALS ARE DEPRESSED." message is displayed when it should not be, not displayed when it should be, or not displayed correctly*14 | CAN communication system | |
| SFI system (for 2TR-FE, w/ Secondary Air Injection System) | ||
| SFI system (for 2TR-FE, w/o Secondary Air Injection System) | ||
| ECD system (for 2KD-FTV) | ||
| ECD system (for 5L-E) | ||
| ECD system (for 1KD-FTV, w/o DPF) | ||
| ECD system (for 1KD-FTV, w/ DPF) | ||
| SFI system (for 1TR-FE) | ||
| ECM (for 2TR-FE) | ||
| ECM (for 2KD-FTV) | ||
| ECM (for 5L-E) | ||
| ECM (for 1KD-FTV) | ||
| ECM (for 1TR-FE) | ||
| Combination meter assembly | ||
| "T-BELT MAINTENANCE REQUIRED" message is displayed when it should not be, not displayed when it should be, or not displayed correctly*3, *14 | T-BELT Indicator Setting | |
| Combination meter assembly | ||
| "DPF FULL SEE OWNER'S MANUAL" message is displayed when it should not be, not displayed when it should be, or not displayed correctly*9, *14 | CAN communication system | |
| ECM | ||
| Combination meter assembly | ||
| "DPF MANUAL REGENERATION IN PROCESS" message is displayed when it should not be, not displayed when it should be, or not displayed correctly*9, *14 | CAN communication system | |
| ECM | ||
| Combination meter assembly | ||
| Multi-information display is missing dots | Combination meter assembly | |
| The settings cannot be customized through the multi-information display | Combination meter assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| No buzzers operate | Combination meter assembly | |
| Emergency door buzzer does not operate (Open door warning light operate normally)*16 | Combination meter assembly | |
| Smart key warning buzzer does not operate (Entry and start system operates normally)*11 | Combination meter assembly | |
| Seat belt warning buzzer does not operate (Front seat belt warning light operates normally) | Combination meter assembly | |
| Engine oil pressure warning buzzer does not operate (OIL warning light operates normally) | Combination meter assembly | |
| Engine coolant temperature warning buzzer does not operate (Engine coolant temperature gauge operates normally) | Combination meter assembly | |
| Key reminder buzzer does not operate*10 | Key reminder warning system | |
| Combination meter assembly | ||
| Multi-information buzzer does not operate (Multi-information display operates normally) | Combination meter assembly | |
| PKB-ON driving warning buzzer does not operate (Brake warning light operates normally) | Combination meter assembly | |
| Driving with any door opened warning buzzer does not operate (Open door warning light and speedometer operate normally) | Combination meter assembly | |
| Sediment buzzer does not operate (SEDIMENT/FILTER indicator light operate normally) | Combination meter assembly | |
| Light reminder buzzer does not operate | Lighting system | |
| Harness or connector | - | |
| Combination meter assembly | ||
| Speed warning buzzer does not operate (Speedometer operate normally)*4 | Combination meter assembly | |
| Turn signal flasher buzzer does not operate (Turn signal light operates normally) | Combination meter assembly |
*1: w/ ABS
*2: w/ Airbag System
*3: Engine Type Diesel
*4: for Middle East
*5: w/ Toyota Parking Assist-sensor System
*6: w/ Engine Immobiliser System
*7: for Automatic Transmission
*8: except 1KD-FTV (w/ DPF)
*9: for 1KD-FTV (w/ DPF)
*10: w/o Smart Entry and Start System
*11: w/ Smart Entry and Start System
*12: for LED Headlight
*13: for Segment Display Type
*14: for Dot Display Type
*15: w/ Cruise Control System
*16: w/ Emergency Door
*17: w/ Front Fog Light
*18: w/ Rear Fog Light