Note
If the main body ECU (multiplex network body ECU) is replaced, refer to Service Bulletin.
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.
| Symptom | Suspected Area | See page |
|---|---|---|
| Clock does not operate at all | Fuse (DOME, RADIO-ACC) | - |
| Wire harness or connector | - | |
| Clock assembly | ||
| Clock display illumination malfunction | Fuse (PANEL NO. 2) | - |
| Relay (TAIL) | - | |
| Wire harness or connector | - | |
| Combination meter assembly | ||
| Instrument panel junction block assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Clock assembly | ||
| Clock loses or gains time | Clock assembly | |
| Clock cannot be adjusted | Clock assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| Clock does not operate at all | Fuse (ECU-IG2 NO. 1*1, ECU-B NO. 1) | - |
| Stop and start system (Backup boost converter circuit)*2 | ||
| Wire harness or connector | - | |
| Combination meter assembly | ||
| Clock loses or gains time | Combination meter assembly | |
| Clock cannot be adjusted | Combination meter assembly |
*1: w/o Stop and Start System
*2: w/ Stop and Start System