Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did the Horns System Check bring you here? | -- | Go to Step 2 | Go to Horns System Check |
2 | Inspect the horn fuse at the underhood fuse/relay center. Is the fuse functional? | -- | Go to Step 4 | Go to Step 3 |
3 | Locate and repair the overload and replace the horn fuse. Is the repair complete? | -- | Go to Horns System Check | -- |
4 |
Does the test lamp light? | -- | Go to Step 5 | Go to Step 6 |
5 | Connect a DMMJ 39200 at the right horn connector CKT 350 (BLK) cavity A to ground. Is their continuity? | -- | Go to Step 7 | Go to Step 8 |
6 |
Does the test lamp light? | -- | Go to Step 9 | Go to Step 10 |
7 | Replace the right horn. Refer to Horn Replacement . Is the replacement complete? | -- | Go to Horns System Check | -- |
8 | Repair the open in CKT 350 (BLK) between the right horn and ground G100. Is the repair complete? | -- | Go to Horns System Check | -- |
9 | Connect a DMMJ 39200 at the left horn connector CKT 250 (BLK) cavity A to ground. Is their continuity? | -- | Go to Step 11 | Go to Step 12 |
10 |
Does the test lamp light? | -- | Go to Step 14 | Go to Step 13 |
11 | Replace the left horn. Refer to Horn Replacement . Is the repair complete? | -- | Go to Horns System Check | -- |
12 | Repair the open in CKT 250 (BLK) between the left horn and ground G101. Is the repair complete? | -- | Go to Horns System Check | -- |
13 | Repair the open in CKT 740 (ORN) from the underhood fuse-relay to the convenience center. Is the repair complete? | -- | Go to Horns System Check | -- |
14 | Momentarily connect a fused jumper from the horn relay cavity H4 to cavity G6. Do the horn(s) sound? | -- | Go to Step 15 | Go to Step 16 |
15 | Connect a test lampJ 35616-200 from the horn relay CKT 740 (ORN) cavity G4 to ground. Does the test lamp light? | -- | Go to Step 17 | Go to Step 18 |
16 | Repair the open in CKT 29 (DK GRN) between the convenience center and the horn(s). Is the repair complete? | -- | Go to Horns System Check | -- |
17 |
Does the test lamp light? | -- | Go to Step 19 | Go to Step 20 |
18 | Repair the open in CKT 740 (ORN) between the convenience center and splice S327. Is the repair complete? | -- | Go to Horns System Check | -- |
19 | Replace the horn relay. Is the repair complete? | -- | Go to Horns System Check | -- |
20 |
Does the horn(s) sound? | -- | Go to Step 21 | Go to Step 22 |
21 | Replace the horn switch Horn Switch Replacement - On Vehicle . Is repair complete? | -- | Go to Horns System Check | -- |
22 | Inspect for an open in the wiring between the horn switch and the convenience center. Did you find an open? | -- | Go to Step 23 | Go to Step 24 |
23 | Repair the open in the wiring between the horn switch and the convenience center. Is the repair complete? | -- | Go to Horns System Check | -- |
24 | Replace the horn brush and the horn slip ring. Refer to Horn Replacement . Is the repair complete? | -- | Go to Horns System Check | -- |
