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Horn

Horn

Fault symptom

Horn sounds continuously.

Action


1. Check the horn

Disconnect the horn. Connect the test lamp to the 1 pin horn connector (with red lead) and BPV.

If the lamp lights, proceed to point 2. If not, change the horn.

2. Check the horn grounding

Conduct a continuity test between the 1 pin horn connector (with the black lead) and the alarm control module, pin 11. Also measure the resistance to resistance ground. The resistance should be < 1 Ohm.

If the resistance is incorrect, take action on the cable assembly. If the resistance is correct, proceed to point 3.

3. Final test

Check to see if the fault symptom remains. If the problem remains, proceed to .