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 | Link |
|---|---|---|
| Driver side seat belt warning light does not operate | Instrument panel junction block assembly | |
| Front seat inner belt assembly (for driver) | - | |
| Combination meter assembly | - | |
| Main body ECU (multiplex network body ECU) | - | |
| Wire harness or connector | - | |
| Front passenger side seat belt warning light malfunction | Front seat inner belt assembly (for front passenger) | |
| Occupant detection sensor (separate type front seat cushion pad) | - | |
| Combination meter assembly | - | |
| Wire harness or connector | - | |
| Rear seat belt warning light malfunction | Lighting system | |
| Rear seat inner with center belt assembly RH | - | |
| Rear seat inner with center belt assembly LH | - | |
| Telltale light assembly | - | |
| Main body ECU (multiplex network body ECU) | - | |
| Wire harness or connector | - | |
| Driver and front passenger seat belt warning light does not operate | Combination meter assembly | - |
| Seat belt warning buzzer does not operate | Check customized settings using the GTS | |
| Combination meter assembly | - |