Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Inspect the HORN fuse for an open. Is the HORN fuse open? | -- | Go to Step 5 | Go to Step 2 |
2 |
Does the test light illuminate? | -- | Go to Step 7 | Go to Step 3 |
3 | Using a test light connected to a good ground, probe ,one at a time, at the horn relay terminals C3, B3 and also at H6 of the HORN fuse. Did the test light illuminate at all three points? | -- | Go to Step 4 | Go to Step 11 |
4 |
Does the test light illuminate? | -- | Go to Step 12 | Go to Step 13 |
5 | Check circuit 740 for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Horns System Check | Go to Step 6 |
6 | Check circuit 29 for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Horns System Check | Go to Step 10 |
7 | Check circuit 29 for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Horns System Check | Go to Step 8 |
8 | Check circuit 1250 for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Horns System Check | Go to Step 9 |
9 | Check for a poor connection at the horns. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Horns System Check | Go to Step 10 |
10 | Replace the horns. Refer to Horn Replacement . Is the repair complete? | -- | Go to Horns System Check | -- |
11 | Repair the open in circuit 740. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Horns System Check | -- |
12 | Replace the horn relay. Refer to Horn Relay Replacement . Is the repair complete? | -- | Go to Horns System Check | -- |
13 | Check circuit 28 for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Horns System Check | Go to Step 14 |
14 | Replace the horn switch. Refer to Inflatable Restraint Steering Wheel Module Replacement in SIR. Is the repair complete? | -- | Go to Horns System Check | -- |
