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 | Refer to troubleshooting |
| Symptom | Suspected Area | See page |
|---|---|---|
| Speedometer malfunction | Refer to troubleshooting | |
| Tachometer malfunction | Refer to troubleshooting | |
| Fuel gauge malfunction | Refer to troubleshooting | |
| Water temperature warning light malfunction | Refer to troubleshooting |
| 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*2 (Rear fog light is normal) |
Harness or connector (FOG RR relay - Combination meter) |
|
| Combination meter assembly | ||
| Front fog light indicator light does not come on*5 (Front fog lights are normal) |
Harness or connector (FR FOG relay - Combination meter) |
|
| Combination meter assembly | ||
| Brake warning light does not come on*7 | Refer to troubleshooting | |
| Brake warning light does not come on*8 | Refer to troubleshooting (for TMC Made) | |
| Refer to troubleshooting (for TMMF Made) | ||
| ABS warning light does not come on*7 | Refer to troubleshooting | |
| ABS warning light does not come on*8 | Refer to troubleshooting (for TMC Made) | |
| Refer to troubleshooting (for TMMF Made) | ||
| Engine oil pressure warning light does not come on | Engine oil pressure switch assembly (for 1NR-FE) | |
| Engine oil pressure switch assembly (for 1KR-FE) | ||
| Engine oil pressure switch assembly (for 1ND-TV) | ||
| Harness or connector | - | |
| Combination meter assembly | ||
| MIL does not come on | MIL circuit (for 1NR-FE) | |
| MIL circuit (for 1KR-FE) | ||
| MIL circuit (for 1ND-TV) | ||
| Combination meter assembly | ||
| Driver side seat belt warning light does not come on | Refer to troubleshooting | |
| Airbag warning light does not come on | Refer to troubleshooting (w/ VSC) | |
| Refer to troubleshooting (w/o VSC) | ||
| Engine coolant temperature warning light does not come on | CAN communication system | |
| ECM (for 1NR-FE) | ||
| ECM (for 1KR-FE) | ||
| ECM (for 1ND-TV) | ||
| Combination meter assembly | ||
| Shift position indicator light does not come on*11 | Refer to troubleshooting (for K411) | |
| CAN communication system | ||
| ECM (for 1NR-FE) | ||
| ECM (for 1KR-FE) | ||
| Combination meter assembly | ||
| Shift position indicator light does not come on*9 | Refer to troubleshooting (for EC65A) | |
| TCM | ||
| Combination meter assembly | ||
| Charge warning light does not come on | CAN communication system (w/ Stop and Start System) | |
| Generator (for 1NR-FE (for TMC Made except Cold Area Specification Vehicles)) | ||
| Generator (for 1NR-FE (for TMC Made Cold Area Specification Vehicles)) | ||
| Generator (for 1NR-FE (for TMMF Made except Cold Area Specification Vehicles)) | ||
| Generator (for 1NR-FE (for TMMF Made Cold Area Specification Vehicles)) | ||
| Generator (for 1KR-FE (for TMC Made except Cold Area Specification Vehicles)) | ||
| Generator (for 1KR-FE (for TMC Made Cold Area Specification Vehicles)) | ||
| Generator (for 1NR-FE (for TMMF Made)) | ||
| 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 | ||
| FUEL warning light does not come on*12 | Fuel sender gauge assembly (for 1NR-FE) | |
| Fuel sender gauge assembly (for 1KR-FE) | ||
| Fuel sender gauge assembly (for 1ND-TV) | ||
| Harness or connector | - | |
| Combination meter assembly | ||
| EPS warning light does not come on | Refer to troubleshooting | |
| CVT SPORT indicator light does not come on*11 | CAN communication system | |
| ECM (for 1NR-FE) | ||
| Combination meter assembly | ||
| VSC OFF indicator light does not come on*8 | Refer to troubleshooting (for TMC Made) | |
| Refer to troubleshooting (for TMMF Made) | ||
| TRC OFF indicator light does not come on*8 | Refer to troubleshooting (for TMC Made) | |
| Refer to troubleshooting (for TMMF Made) | ||
| SLIP indicator light does not come on*8 | Refer to troubleshooting (for TMC Made) | |
| Refer to troubleshooting (for TMMF Made) | ||
| Entry key indicator light does not come on*3 | CAN communication system | |
| Certification ECU (Smart key ECU Assembly) | ||
| Combination meter assembly | ||
| Glow indicator does not come on*4 | CAN communication system | |
| ECM (for 1ND-TV) | ||
| Combination meter assembly | ||
| Sedimenter warning light does not come on*4 | Level warning switch | |
| Harness or connector | - | |
| Combination meter assembly | ||
| Oil level warning light does not come on*4 | Engine oil level sensor | |
| Harness or connector | - | |
| Combination meter assembly | ||
| Oil maintenance indicator light does not go off*4 | Replace engine oil | |
| Oil change indicator setting | ||
| Engine oil level sensor | ||
| Combination meter assembly | ||
| CRUISE indicator light does not come on*13 | CAN communication system | |
| ECM (for 1NR-FE) | ||
| Driving support ECU (for 1ND-TV)*14 | ||
| Driving support ECU (for 1ND-TV)*15 | ||
| Combination meter assembly | ||
| CRUISE SET indicator light does not come on*13 | CAN communication system | |
| ECM (for 1NR-FE) | ||
| Driving support ECU (for 1ND-TV)*14 | ||
| Driving support ECU (for 1ND-TV)*15 | ||
| Combination meter assembly | ||
| ASL indicator light does not come on*13 | CAN communication system | |
| ECM (for 1NR-FE) | ||
| Combination meter assembly | ||
| DPF warning light does not come on*4 | CAN communication system | |
| ECM (for 1ND-TV) | ||
| Combination meter assembly | ||
| ECO driving indicator light does not come on*6 | CAN communication system | |
| Brake actuator assembly (Skid control ECU)*7 | ||
| Brake actuator assembly (Skid control ECU)*8 | ||
| ECM (for 1NR-FE) | ||
| ECM (for 1KR-FE) | ||
| Combination meter assembly | ||
| Multi-mode manual transmission warning light does not come on*9 | Multi-Mode Manual Transmission Warning Light Circuit | |
| Stop and start cancel indicator light malfunction*10 | CAN communication system | |
| Engine stop and start ECU | ||
| Combination meter assembly | ||
| Stop and start indicator light malfunction*11 | CAN communication system | |
| Engine stop and start ECU | ||
| Combination meter assembly |
*1: w/ Daytime Running Light System
*2: w/ Rear Fog Light
*3: w/ Entry and Start System
*4: for 1ND-TV
*5: w/ Fog Light
*6: w/ ECO Driving Indicator
*7: w/o VSC
*8: w/ VSC
*9: for Multi-mode Manual Transmission
*10: w/ Stop and Start System
*11: for CVT
*12: w/ Tachometer
*13: w/ Cruise Control System
*14: for LHD
*15: for RHD
| 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 | ||
| Immobiliser 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 | ||
| Sports reject buzzer does not sound*4 | Park/Neutral Position Switch (EC65A) | |
| Park/Neutral Position Switch (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 | ||
| Driving with any door opened warning buzzer does not sound | Main body ECU (Multiplex network body ECU) | |
| Combination meter assembly |
*1: w/o Entry and Start System
*2: w/ Rear Seat Belt Warning System
*3: w/ Entry and Start System
*4: for CVT
*5: for Multi-mode Manual Transmission
*6: for LHD
*7: for RHD
| 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 (1NR-FE) | ||
| ECM (1KR-FE) | ||
| ECM (1ND-TV) | ||
| Combination meter assembly | ||
| Average fuel consumption since refueling not displayed | CAN communication system | |
| Brake actuator assembly (Skid control ECU) | ||
| ECM (1NR-FE) | ||
| ECM (1KR-FE) | ||
| ECM (1ND-TV) | ||
| Combination meter assembly | ||
| ECO time ODO not displayed*1 | CAN communication system | |
| Engine stop and start ECU | ||
| Combination meter assembly | ||
| ECO time TRIP not displayed*1 | CAN communication system | |
| Engine stop and start ECU | ||
| Combination meter assembly |
*1: w/ Stop and Start System