Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Were you sent here from the Horns Diagnostic System Check? | -- | ||
2 |
Do the horns sound? | -- | ||
3 |
Is CKT 28 continuous to ground? | -- | ||
4 |
Caution: When you are performing service on or near the SIR components or the SIR wiring, you must disable the SIR system. Refer to Disabling the SIR System. Failure to follow the correct procedure could cause air bag deployment, personal injury, or unnecessary SIR system repairs.
Is CKT 28 continuous to ground? | -- | ||
5 |
Are the horns pulsating on/off simulating theft deterrent mode? | -- | ||
6 |
Are the horns sounding continuously? | -- | ||
7 | Repair a short to battery power in CKT 29. Is the repair complete? | -- | -- | |
8 | Replace the HORN #36 Micro Relay. Refer to Horn Relay Replacement . Is the repair complete? | -- | -- | |
9 | Replace the Horn Switch Assembly. Refer to Horn Switch Replacement - On Vehicle . Is the repair complete? | -- | -- | |
10 | Repair short to ground in CKT 28. Is the repair complete? | -- | -- | |
11 | Replace and reprogram the BCM according to vehicle RPO configuration. Refer to Body Control Module Replacement . Is the repair complete? | -- | -- |
