Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Horn Schematics DEFINITION: Horns always on | |||
1 | Did you review the Horn system description and operation and perform the necessary inspections? | 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 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 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 |
