Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the Diagnostic System Check performed? | -- | Go to Step 2 | Go to Horns System Check |
2 |
Does the test lamp light? | -- | Go to Step 3 | Go to Step 8 |
3 | Connect a test lamp between the horn relay and terminal 87 and ground. Does the test lamp light? | -- | Go to Step 4 | Go to Step 8 |
4 | Connect a fused jumper between the horn relay terminals 87 and 30. Do the horns sound? | -- | Go to Step 5 | Go to Step 6 |
5 |
Does the test lamp light? | -- | Go to Step 13 | Go to Step 9 |
6 |
Does the test lamp light? | -- | Go to Step 7 | Go to Step 10 |
7 |
Does the test lamp light? | -- | Go to Step 14 | Go to Step 11 |
8 | Test the HORN fuse in the underhood junction block. Is the HORN fuse OK? | -- | Go to Step 12 | |
9 | Repair the open or the poor connection in CKT 28 (BLK) or bad horn switch. Is the repair complete? | -- | Go to Horns System Check | -- |
10 | Repair the open or the poor connection in CKT 29 (DK GRN). Is the repair complete? | -- | Go to Horns System Check | -- |
11 | Repair the open or the poor connection in CKT 150 (BLK) or CKT 250 (BLK). Is the repair complete? | -- | Go to Horns System Check | -- |
12 | Repair the HORN fuse in the underhood junction block and check for shorts to ground in CKT 29. Is the repair complete? | -- | Go to Horns System Check | -- |
13 | Replace the horn relay. Is the repair complete? | -- | Go to Horns System Check | -- |
14 | Replace the horn(s). Is the repair complete? | -- | Go to Horns System Check | -- |
