Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Remove the horn relay. Do the horns stop sounding? | -- | ||
2 | Using a test light, frontprobe between the horn relay circuit 740 and circuit 28. Refer to Fuse Block Schematics for terminal location. Does the test light illuminate? | -- | ||
3 |
Does the test light illuminate? | -- | ||
4 |
Does the test light illuminate? | -- | ||
5 |
Does the test light illuminate? | -- | ||
6 | Disconnect the underhood accessory wiring junction block connector C3. Do the horns stop sounding? | -- | ||
7 | Replace the horn relay. Refer to Horn Relay Replacement for service procedure. Is the repair complete? | -- | -- | |
8 |
Is the repair complete? | -- | -- | |
9 | Repair short to ground in circuit 28. Is the repair complete? | -- | -- | |
10 | Repair short to ground in circuit 28. Is the repair complete? | -- | -- | |
11 | The horn switch is part of the SIR steering wheel module. Refer to Inflatable Restraint Steering Wheel Module Replacement for service procedure. Is the repair complete? | -- | -- | |
12 | Replace the underhood accessory wiring junction block. Refer to Accessory Wiring Junction Block Replacement for service procedure. Is the repair complete? | -- | -- | |
13 | Repair short to B+ in circuit 29. Is the repair complete? | -- | -- |
