Step | Action | Yes | No |
---|---|---|---|
1 | Is the vehicle equipped with content theft deterrent (UA6)? | Go to Step 2 | Go to Step 3 |
2 | Did you perform the Horns Diagnostic System Check? | Go to Step 4 | |
3 | Did review the horns operation and perform the necessary inspections? | Go to Step 2 | Go to Symptoms - Horns |
4 | Depress the horn switch. Does the horn have a harsh tone or buzzing? | Go to Step 5 | Go to Symptoms - Horns |
5 |
Did you find and correct the condition? | Go to Step 9 | Go to Step 6 |
6 | Perform the following for each of the horns:
Does the horn have a harsh tone or buzzing? | Go to Step 8 | Go to Step 7 |
7 | Repair the high resistance in the horn control circuit or the horn ground circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 9 | -- |
8 | Replace the horn. Refer to Horn Replacement . Did you complete the replacement? | Go to Step 9 | -- |
9 | Operate the horn. Does the horn operate properly? | System OK | Go to Step 1 |