Horns Always On

*HORNS ALWAYS ON









For a complete Horn Circuit Diagram, Schematics and Diagrams.

Diagnostic Test

1. TEST THE HORN CIRCUIT
Turn the ignition off.
Disconnect the Relay Control Module connector "E".

NOTE: Check connector - Clean/repair as necessary.

Turn the ignition on.
Did the Horns sound?

Yes

- Repair the Horn circuit for a short to voltage.
- Perform BODY VERIFICATION TEST. Body Verification Test

No

- Go to 2

2. MEASURE THE HORN SWITCH CIRCUIT VOLTAGE




Disconnect the Relay Control Module harness connector "D".

NOTE: Check connector - Clean/repair as necessary.

Measure the resistance of the Horn Switch circuit between cavity 1 of the Relay Control Module connector "D" and ground.
Is the resistance below 5.0 ohms?

Yes

- Repair the Horn Switch circuit for a short to ground.
- Perform BODY VERIFICATION TEST. Body Verification Test

No

- Replace the Relay Control Module. Removal.
- Perform BODY VERIFICATION TEST. Body Verification Test