Step | Action | Values | Yes | No |
---|---|---|---|---|
1 | Did you perform the Diagnostic System Check - Vehicle? | -- | Go to Step 2 | |
2 |
Does the horn sound? | -- | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 | Press the horn switch on the steering wheel. Does the horn sound? | -- | Go to Step 4 | Go to Horns Inoperative |
4 |
Does the horn sound? | -- | Go to Step 6 | Go to Step 5 |
5 | Test the horn relay control circuit for an open or short to battery. Did you find and correct the condition? | -- | Go to Step 8 | Go to Testing for Intermittent Conditions and Poor Connections |
6 | Inspect for poor connections at the harness connector of the BCM. Did you find and correct the condition? | -- | Go to Step 8 | Go to Step 7 |
7 | Replace the BCM. Refer to Body Control Module Replacement for replacement, setup, and programming. 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 |