Problem Symptoms Table
This system uses the multiplex communication system, so check diagnosis system of the multiplex communication system before you proceed with troubleshooting.
PROBLEM SYMPTOMS TABLE
| Symptom | Suspected area | See |
|---|---|---|
| Horn system does not operate. | 1. Horn Fuse | - |
| 2. Horn Relay | HORN RELAY | |
| 3. Horn Switch | - | |
| 4. Horn Circuit | - | |
| 5. Horn | - | |
| 6. Main Body ECU | - | |
| Horn blow all the time | 1. Horn Relay | HORN RELAY |
| 2. Horn Switch | - | |
| 3. Horn Circuit | - | |
| 4. Main Body ECU | - | |
| One horn operates but the other horn does not operate. | 1. Horn | - |
| 2. Horn Circuit | - | |
| 3. Wire Harness | - |