FAQ for Horn Relays Repair
Q: What must you test when testing the relay control circuit?
A:
You must test the horn slip ring and the horn switch for a short to ground.
By BobGM Specialist
01/11/2022 Q: What should you perform when replacing the BCM?
A:
You should perform the BCM programming procedure.
By BobGM Specialist
01/11/2022 Q: What should you perform before using the symptom tables?
A:
You should perform Diagnostic System Check-Vehicle before using the symptom tables.
By BobGM Specialist
01/11/2022 Q: What is the recommended torque when you tighten the horn mounting hardware?
A:
The horn mounting hardware should be tightened to a torque of 10 Nm (7 lb-ft).
By BobGM Specialist
01/11/2022 Q: What does the horn output indicate?
A:
The horn output indicates the state that the control module has commanded for the relay.
By BobGM Specialist
01/11/2022 Q: What can you use to supplement the diagnostic procedures?
A:
You can use the Horns Scan Tool Data List as directed by a diagnostic table or supplement the diagnostic procedures.
By BobGM Specialist
01/11/2022 Q: What can you use to command the body control module (BCM) Horn Output ON and OFF?
A:
You can use a scan tool.
By BobGM Specialist
01/11/2022 Q: How do you install the horn?
A:
You can position the horn to the frame rail extension, insert the horn anti-rotation tab into the slot, install the horn bracket bolt, connect the horn electrical connector, install the right headlamp and close the hood.
By BobGM Specialist
01/11/2022 Q: What is the removal procedure for the horn?
A:
The procedure is to open the hood, remove the right headlamp, disconnect the horn electrical connector, remove the horn bracket bolt and remove the horn.
By BobGM Specialist
01/11/2022 See more FAQs (4)