Step | Action | Value(s) | Yes | No | ||||
|---|---|---|---|---|---|---|---|---|
1 | Did you review the system operation and perform the necessary inspections? | -- | Go to Symptoms - Horns | |||||
2 | Verify that the horns are on continuously. Does the system operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections | |||||
3 | Disconnect the horn relay. Are the horns still on? | -- | ||||||
4 | Repair the short to battery voltage in circuit 29 between the engine wiring harness junction block 1 terminal F6 and the horn connection terminal B. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |||||
5 | Connect a test lamp from the engine wiring harness junction block 1 terminal E6 to terminal F8. Refer to Circuit Testing in Wiring Systems. Does the test lamp illuminate? | -- | ||||||
6 |
Is the test lamp still on? | -- | ||||||
7 | Replace the horn relay. Is the repair complete? | -- | -- | |||||
8 |
Is the test lamp still on? | -- | ||||||
9 | Replace the horn switches. Refer to Horn Switch Replacement - On Vehicle . Is the repair complete? | -- | -- | |||||
10 | Repair the short to ground in circuit 28 at one of the following areas:
Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |||||
11 | Replace the body control module (BCM). Refer to Body Control Module Replacement in Body Control System. Is the repair complete? | -- | -- | |||||
12 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK |
