Horn

Fault diagnosis, horn

Fault symptom
Horn sounds continuously.

Action
1 Check the horn
Disconnect the horn.
Connect the test lamp to horn connector, pin 2 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 horn connector, pin 2 and the alarm control module, pin 11.
The resistance should be <1 Ohm.
If the resistance is incorrect, remedy the fault in 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 "Before Changing the Electronic Control Module". Before Changing the Electronic Control Module