Problem Symptoms Table
WARNING: This page is about a different car, the 2007 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
HORN SYSTEM
PROBLEM SYMPTOMS TABLE
| Symptom | Suspected area | Information |
|---|---|---|
| Horn does not sound | HORN fuse | - |
| Horn relay | HORN RELAY | |
| Steering pad switch | - | |
| Spiral cable | SPIRAL CABLE | |
| Wire harness | - | |
| Horn sounds all the time | Horn relay | HORN RELAY |
| Horn switch | - | |
| Wire harness | - | |
| Low pitched horn operates but high pitched horn does not operate | High pitched horn | INSPECTION |
| Wire harness | - | |
| High pitched horn operates but low pitched horn does not operate | Low pitched horn | INSPECTION |
| Wire harness | - |