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 | |
| Fuel gauge malfunction | Refer to troubleshooting | |
| Water temperature warning light malfunction | Refer to troubleshooting | |
| Hybrid system indicator 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 (Taillights are normal) |
Harness or connector (combination meter - PANEL fuse) |
- |
| Combination meter assembly | ||
| Rear fog light indicator light does not come on (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*1 (Front fog lights are normal) |
Harness or connector (FOG FR relay - combination meter) |
|
| Combination meter assembly | ||
| Brake warning light does not come on | Refer to troubleshooting | |
| ABS warning light does not come on | Refer to troubleshooting | |
| Engine oil pressure warning light does not come on | Engine oil pressure switch assembly | |
| Harness or connector | - | |
| Combination meter assembly | ||
| MIL does not come on | MIL circuit | |
| Combination meter assembly | ||
| Driver side seat belt warning light does not come on | Refer to troubleshooting | |
| Front passenger side seat belt warning light does not come on | Refer to troubleshooting | |
| Airbag warning light does not come on | Refer to troubleshooting | |
| Engine coolant temperature warning light does not come on | CAN communication system | |
| ECM | ||
| Combination meter assembly | ||
| Auxiliary battery charging warning light does not come on | CAN communication system | |
| 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 | Fuel sender gauge assembly | |
| Harness or connector | - | |
| Combination meter assembly | ||
| EPS warning light does not come on | Refer to troubleshooting | |
| SLIP indicator light does not come on | Refer to troubleshooting | |
| Entry indicator light does not come on*2 | CAN communication system | |
| Certification ECU (smart key ECU assembly) | ||
| Combination meter assembly | ||
| CRUISE indicator light does not come on*3 | Refer to troubleshooting | |
| CRUISE SET indicator light does not come on*3 | Refer to troubleshooting | |
| Electrically controlled brake indicator light does not come on | CAN communication system | |
| Brake booster with master cylinder assembly (skid control ECU) | ||
| Combination meter assembly | ||
| Hybrid system overheat warning light does not come on | CAN communication system | |
| Power management control ECU | ||
| Combination meter assembly | ||
| READY indicator light does not come on | CAN communication system | |
| Power management control ECU | ||
| Combination meter assembly | ||
| ECO MODE indicator light does not come on | CAN communication system | |
| Power management control ECU | ||
| Combination meter assembly | ||
| EV drive indicator light does not come on | CAN communication system | |
| Power management control ECU | ||
| Combination meter assembly | ||
| Low traction battery indicator light does not come on | CAN communication system | |
| Power management control ECU | ||
| Combination meter assembly | ||
| P position request indicator light does not come on | CAN communication system | |
| Power management control ECU | ||
| Combination meter assembly | ||
| EV drive mode indicator light does not come on | CAN communication system | |
| Power management control ECU | ||
| Combination meter assembly | ||
| Hybrid system warning light does not come on | CAN communication system | |
| Power management control ECU | ||
| Combination meter assembly | ||
| Shift position indicator light does not come on | CAN communication system | |
| ECM | ||
| Combination meter assembly | ||
| VSC OFF indicator light does not come on | Refer to troubleshooting | |
| TRC OFF indicator light does not come on | Refer to troubleshooting | |
| Tire pressure indicator light does not come on*4 | Tire pressure warning light circuit | |
| Combination meter assembly |
*1: w/ Fog Light
*2: w/ Power Switch
*3: w/ Cruise Control System
*4: w/ Tire Pressure Warning System
| 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) | ||
| Airbag ECU assembly | ||
| Occupant detection sensor | ||
| Brake booster with master cylinder assembly (skid control ECU) | ||
| Harness or connector | - | |
| Combination meter assembly | ||
| Seat belt warning buzzer does not sound (rear seat) | CAN communication system | |
| Rear seat inner belt assembly RH | ||
| Rear seat inner with center belt assembly LH | ||
| Brake booster with master cylinder assembly (skid control ECU) | ||
| Harness or connector | - | |
| Combination meter assembly | ||
| Entry interior alarm does not sound*2 | 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 | ||
| Main body ECU (multiplex network body ECU) | ||
| Brake booster with master cylinder assembly (skid control ECU) | ||
| Harness or connector | - | |
| Combination meter assembly | ||
| Immobiliser key identification completion notice buzzer (buzzer that sounds once) does not sound*2 | CAN communication system | |
| Certification ECU (smart key ECU assembly) | ||
| Combination meter assembly | ||
| EPS buzzer does not sound | CAN communication system | |
| Power steering ECU*3 | ||
| Power steering ECU*4 | ||
| Combination meter assembly | ||
| Ready buzzer does not sound | Hybrid control system | |
| Combination meter assembly | ||
| HV system buzzer does not sound | Combination meter assembly | |
| Door ajar warning (reminder to shift to P position) buzzer does not sound | Combination meter assembly | |
| Shift to P position to start buzzer does not sound | Combination meter assembly | |
| Hybrid battery low voltage buzzer does not sound | Combination meter assembly | |
| EV reject buzzer does not sound | Combination meter assembly | |
| Accelerator depressed with shift selection N buzzer does not sound | Combination meter assembly | |
| Turn signal flasher buzzer does not sound (Turn indicator light operation is normal.) | Combination meter assembly | |
| 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/ Entry and Start System
*3: for LHD
*4: for RHD
| Symptom | Suspected Area | See page |
|---|---|---|
| Ambient temperature not displayed | CAN communication system | |
| Combination meter assembly | ||
| Instantaneous fuel consumption not displayed | CAN communication system | |
| Brake booster with master cylinder assembly (skid control ECU) | ||
| ECM | ||
| Combination meter assembly | ||
| Total average fuel consumption not displayed | CAN communication system | |
| Brake booster with master cylinder assembly (skid control ECU) | ||
| ECM | ||
| Combination meter assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| Other systems that use the speed signal do not operate normally | Refer to troubleshooting |