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 symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | See page |
|---|---|---|
| Entire combination meter does not operate | Entire combination meter does not operate |
| Symptom | Suspected Area | See page |
|---|---|---|
| Speedometer malfunction | Speedometer circuit | |
| Tachometer malfunction | Tachometer circuit | |
| Fuel gauge malfunction | Fuel gauge circuit | |
| Water temperature warning light malfunction | Engine Coolant Temperature Receiver Gauge Malfunction |
| Symptom | Suspected Area | See page |
|---|---|---|
| Turn indicator light does not come on | Headlight Dimmer Switch Circuit | |
| Combination meter assembly | ||
| Beam indicator light does not come on (High beam headlights are normal) |
Harness or connector (Combination meter - H-LP HI fuse, Ground) |
- |
| Combination meter assembly | ||
| TAIL indicator light does not come on*1 (Taillights are normal) |
Harness or connector (Combination meter - TAIL NO. 2 fuse) |
- |
| Combination meter assembly | ||
| Rear fog light indicator light does not come on*11 (Rear fog light is normal) |
Harness or connector (FOG RR relay - Combination meter assembly) |
|
| Combination meter assembly | ||
| Front fog light indicator light does not come on*12 (Front fog lights are normal) |
Harness or connector (FR FOG relay*13, FOG FR relay*14 - Combination meter) |
|
| Combination meter assembly | ||
| Brake warning light does not come on*5 | Brake Warning Light does not Come ON | |
| Brake warning light does not come on*6 | Brake Warning Light does not Come ON | |
| ABS warning light does not come on*5 | ABS Warning Light does not Come ON | |
| ABS warning light does not come on*6 | ABS Warning Light does not Come ON | |
| Engine oil pressure warning light does not come on | Engine oil pressure switch assembly (for 1NR-FE) | |
| Engine oil pressure switch assembly (for 1NZ-FE) | ||
| Engine oil pressure switch assembly (for 1ND-TV) | ||
| Harness or connector | - | |
| Combination meter assembly | ||
| CAN communication system (for 1NR-FE or 1ND-TV) | ||
| MIL does not come on | MIL Circuit (for 1NR-FE) | |
| MIL Circuit (for 1NZ-FE) | ||
| MIL Circuit (for 1ND-TV) | ||
| Combination meter assembly | ||
| Driver side seat belt warning light does not come on | Driver Side Seat Belt Warning Light does not Operate | |
| Front passenger side seat belt warning light does not come on | Front Passenger Side Seat Belt Warning Light Malfunction | |
| Airbag warning light does not come on | SRS Warning Light does not Come ON | |
| Engine coolant temperature warning light does not come on | CAN communication system | |
| ECM (for 1NR-FE) | ||
| ECM (for 1NZ-FE) | ||
| ECM (for 1ND-TV) | ||
| Combination meter assembly | ||
| Shift position indicator light does not come on*9 | Refer to troubleshooting (for K312) | |
| Refer to troubleshooting (for K411) | ||
| CAN communication system | ||
| ECM (for 1NR-FE) | ||
| ECM (for 1NZ-FE) | ||
| Combination meter assembly | ||
| Shift position indicator light does not come on*5 | Refer to troubleshooting (for EC65A) | |
| TCM | ||
| Combination meter assembly | ||
| Charge warning light does not come on | CAN communication system*13 | |
| Generator (for 1NR-FE (80A Type)) | ||
| Generator (for 1NR-FE (100A Type)) | ||
| Generator (for 1NZ-FE) | ||
| Generator (for 1ND-TV) | ||
| Harness or connector | - | |
| Combination meter assembly | ||
| Open door warning light does not come on | CAN communication system | |
| Door Courtesy Switch Circuit | ||
| Main body ECU (Multiplex network body ECU) | ||
| Combination meter assembly | ||
| EPS warning light does not come on | PS Warning Light Remains ON | |
| SPORT indicator light does not come on*9 | CAN communication system | |
| ECM (for 1NR-FE) | ||
| ECM (for 1NZ-FE) | ||
| Combination meter assembly | ||
| VSC OFF indicator light does not come on*6 | VSC OFF Indicator Light does not Come ON | |
| SLIP indicator light does not come on*6 | Slip Indicator Light does not Come ON | |
| Entry key indicator light does not come on*2 | CAN communication system | |
| Certification ECU (Smart key ECU Assembly) | ||
| Combination meter assembly | ||
| Glow indicator does not come on*3 | CAN communication system | |
| ECM | ||
| Combination meter assembly | ||
| Sedimenter warning light does not come on*3 | Level warning switch | |
| Harness or connector | - | |
| Combination meter assembly | ||
| Oil level warning light does not come on*3 | Engine oil level sensor | |
| Harness or connector | - | |
| Combination meter assembly | ||
| Oil maintenance indicator light does not go off*3 | Replace engine oil | |
| Oil change indicator setting | ||
| Engine oil level sensor | ||
| Combination meter assembly | ||
| DPF warning light does not come on*3 | CAN communication system | |
| ECM | ||
| Combination meter assembly | ||
| ECO driving indicator light does not come on*4 | CAN communication system | |
| Brake actuator assembly (Skid control ECU)*5 | ||
| Brake actuator assembly (Skid control ECU)*6 | ||
| ECM (for 1NR-FE) | ||
| ECM (for 1NZ-FE) | ||
| Combination meter assembly | ||
| Multi-mode manual transaxle warning light does not come on*7 | Multi-mode Manual Transmission Warning Light Circuit | |
| Stop and start cancel indicator light malfunction*8 | CAN communication system | |
| Engine stop and start ECU*16 | ||
| Engine stop and start ECU*14 | ||
| Combination meter assembly | ||
| Stop and start indicator light malfunction*9 | CAN communication system | |
| Engine stop and start ECU | ||
| Combination meter assembly | ||
| Leveling indicator light malfunction*10 | Indicator Circuit | |
| Combination meter assembly | ||
| TRC OFF indicator light does not come on*6 | TRC OFF Indicator Light does not Come ON | |
| Fuel indicator light malfunction | Fuel sender gauge assembly (for 1NR-FE) | |
| Fuel sender gauge assembly (for 1ND-TV) | ||
| Fuel sender gauge assembly (for 1NZ-FE) | ||
| Harness or connector | - | |
| Combination meter assembly | ||
| Cruise indicator light does not come on*15 | Cruise Main Indicator Light Circuit | |
| Cruise set indicator light does not come on*15 | Cruise SET Indicator Light Circuit |
*1: w/ Daytime Running Light System
*2: w/ Entry and Start System
*3: for 1ND-TV
*4: w/ ECO Driving Indicator
*5: w/o VSC
*6: w/ VSC
*7: for Multi-mode Manual Transaxle
*8: w/ Stop and Start System
*9: for CVT
*10: for HID Headlight
*11: w/ Rear Fog Light
*12: w/ Front Fog Light
*13: except 1NZ-FE
*14: for 1NZ-FE
*15: w/ Cruise Control System
*16: for 1NR-FE
| Symptom | Suspected Area | See page |
|---|---|---|
| No buzzers sound | Harness or connector | - |
| Combination meter assembly | ||
| Light reminder warning buzzer does not sound | CAN communication system | |
| Front door courtesy light switch (Driver side) | ||
| Headlight dimmer switch circuit | ||
| Main body ECU (Multiplex network body ECU) | ||
| Harness or connector | - | |
| Combination meter assembly | ||
| Key reminder warning buzzer does not sound*1 | CAN communication system | |
| Unlock warning switch assembly | ||
| Front door courtesy light switch (Driver side) | ||
| Main body ECU (Multiplex network body ECU) | ||
| Harness or connector | - | |
| Combination meter assembly | ||
| Seat belt warning buzzer does not sound (driver and front passenger seat) | CAN communication system | |
| Front seat inner belt assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Center airbag sensor assembly | ||
| Occupant detection sensor | ||
| Brake actuator assembly (Skid control ECU) | ||
| Harness or connector | - | |
| Combination meter assembly | ||
| Seat belt warning buzzer does not sound (rear seat)*2 | CAN communication system | |
| Rear seat inner belt assembly | ||
| Rear seat inner with center belt assembly LH | ||
| Brake actuator assembly (Skid control ECU) | ||
| Harness or connector | - | |
| Combination meter assembly | ||
| Entry interior alarm does not sound*3 | CAN communication system | |
| Certification ECU (Smart key ECU Assembly) | ||
| Combination meter assembly | ||
| Parking brake unreleased warning buzzer does not sound | CAN communication system | |
| Parking brake switch (for pedal type) | ||
| Parking brake switch (for lever type) | ||
| Main body ECU (Multiplex network body ECU) | ||
| Brake actuator assembly (Skid control ECU) | ||
| Harness or connector | - | |
| Combination meter assembly | ||
| Immobilizer key identification completion notice buzzer (buzzer that sounds once) does not sound*3 | CAN communication system | |
| Certification ECU (Smart key ECU Assembly) | ||
| Combination meter assembly | ||
| ECO RUN buzzer does not sound*4 | CAN communication system | |
| Engine stop and start ECU | ||
| Combination meter assembly | ||
| Sports reject buzzer does not sound*5 | Park/Neutral position switch (for EC65A) | |
| Park/Neutral position switch (for K411) | ||
| Combination meter assembly | ||
| EPS buzzer does not sound | Power steering ECU*6 | |
| Power steering ECU*7 | ||
| Combination meter assembly | ||
| MMT warning buzzer does not sound*5 | TCM | |
| Combination meter assembly | ||
| CAN communication system | ||
| MMT reject buzzer does not sound*5 | TCM | |
| Combination meter assembly | ||
| CAN communication system | ||
| MMT shift reverse buzzer does not sound*5 | TCM | |
| Combination meter assembly | ||
| CAN communication system | ||
| Driving with any door opened warning buzzer does not sound | Main body ECU (Multiplex network body ECU) | |
| Combination meter assembly | ||
| Reverse*8 | CAN communication system | |
| Park/Neutral position switch (for K312) | ||
| SFI system | ||
| Combination meter assembly |
*1: w/o Entry and Start System
*2: w/ Rear Seat Belt Warning System
*3: w/ Entry and Start System
*4: w/ Stop and Start System
*5: for Multi-mode Manual Transaxle
*6: for LHD
*7: for RHD
*8: for 1NZ-FE
| Symptom | Suspected Area | See page |
|---|---|---|
| Ambient temperature not displayed | Ambient temperature sensor | |
| Harness or connector | - | |
| Combination meter assembly | ||
| Instantaneous fuel consumption not displayed | CAN communication system | |
| Brake actuator assembly (Skid control ECU) | ||
| ECM (for 1NR-FE) | ||
| ECM (for 1NZ-FE) | ||
| ECM (for 1ND-TV) | ||
| Combination meter assembly | ||
| Average fuel consumption since refueling not displayed | CAN communication system | |
| Brake actuator assembly (Skid control ECU) | ||
| ECM (for 1NR-FE) | ||
| ECM (for 1NZ-FE) | ||
| ECM (for 1ND-TV) | ||
| Combination meter assembly | ||
| ECO time ODO not displayed* | CAN communication system | |
| Engine stop and start ECU | ||
| Combination meter assembly | ||
| ECO time TRIP not displayed* | CAN communication system | |
| Engine stop and start ECU | ||
| Combination meter assembly |
*: w/ Stop and Start System