Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the Diagnostic System Check performed? | -- | Go to Step 2 | Go to Horns System Check |
2 | Remove the horn relay from the Underhood Fuse Block. Does the horn continue to sound? | -- | Go to Step 3 | Go to Step 4 |
3 | Repair the short to the voltage in the CKT 1329 (DK GRN) between the horn relay and the horns. Refer to Wiring Repairs Is the repair complete? | -- | Go to Horns System Check | -- |
4 | Connect a test lamp between terminal 1 and terminal 2 in the horn relay socket. Does the test lamp light? | -- | Go to Step 6 | Go to Step 5 |
5 | Replace the horn relay. Refer to Horn Relay Replacement Is the repair complete? | -- | Go to Horns System Check | -- |
6 |
Does the test lamp light? | -- | Go to Step 7 | Go to Step 8 |
7 |
Does the test lamp light? | -- | Go to Step 9 | Go to Step 10 |
8 | Replace the horn switch. Refer to Horn Switch Replacement - On Vehicle Is the repair complete? | -- | Go to Horns System Check | -- |
9 | Repair the short to ground in the CKT 28 (BLK) between the horn relay and the horn switch or the BCM. Refer to Wiring Repairs Is the repair complete? | -- | Go to Horns System Check | -- |
10 | Replace the BCM. Refer to Body Control Module Replacement Is the repair complete? | -- | Go to Horns System Check | -- |
