Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Horn Schematics | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | |
2 | Verify the fault is present. Does the system operate normally? | Go to Testing for Electrical Intermittents in Wiring Systems | Go to Step 3 |
3 | Remove the horn relay. Did the horn stop sounding? | Go to Step 4 | Go to Step 5 |
4 | With the horn relay still removed, test the switch signal circuit for ground. Is ground present? | Go to Step 6 | Go to Step 7 |
5 | Repair the short to voltage in the horn supply voltage circuit. Refer to Testing for a Short to Voltage and Wiring Repairs in Wiring Systems. Did you find and complete the repair? | Go to Step 8 | -- |
6 | Repair the short to ground in the horn relay switch signal circuit. Refer to Testing for Short to Ground and Wiring Repairs in Wiring Systems. Did you find and complete the repair? | Go to Step 8 | |
7 | Replace the horn relay. Did you complete the replacement? | Go to Step 8 | |
8 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
