Symptom table
WARNING: This page is about a different car, the 2018 Subaru BRZ. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM DESCRIPTION - HORN SYSTEM
| Symptoms | Inspection items | Reference |
|---|---|---|
| Both horns do not sound. | HORN NO. 1 fuse | - |
| HORN NO. 2 fuse | - | |
| HORN relay | - | |
| Driver side air bag module | DRIVER SIDE AIR BAG MODULE | |
| Steering roll connector | UNIT INSPECTION | |
| Vehicle wiring harness and connector | - | |
| Horn doesn't stop sounding. | HORN relay | - |
| Vehicle wiring harness and connector | - | |
| High-pitched horn doesn't sound (low-pitched horn sounds normally). | High-pitched horn ASSY | UNIT INSPECTION |
| Vehicle wiring harness and connector | - | |
| Low-pitched horn doesn't sound (high-pitched horn sounds normally). | Low-pitched horn ASSY | UNIT INSPECTION |
| Vehicle wiring harness and connector | - |