HORN SYSTEM PROBLEM SYMPTOMS TABLE
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 |
|---|---|---|
| Horn does not sound | HORN fuse | - |
| Low pitched horn assembly | ||
| High pitched horn assembly | ||
| Integration relay | ||
| Steering pad (Horn button assembly) | ||
| Steering pad switch assembly*1 | ||
| Steering pad switch RH*2 | ||
| Spiral cable sub-assembly | ||
| Wire harness | - | |
| Horn blows all the time | Integration relay | |
| Steering pad (Horn button assembly) | ||
| Steering pad switch assembly*1 | ||
| Steering pad switch RH*2 | ||
| Spiral cable sub-assembly | ||
| Wire harness | - | |
| Low pitched horn operates but high pitched horn does not operate | High pitched horn assembly | |
| Wire harness | - | |
| High pitched horn operates but low pitched horn does not operate | Low pitched horn assembly | |
| Wire harness | - |
-
*1: Before October, 2010
-
*2: From October, 2010