Diesel Data: Automotive Repair

Without Intelligent Key System


HORN FUNCTION





Component Function Check
1.CHECK FUNCTION
1. Perform "VEHICLE SECURITY HORN" in "ACTIVE TEST" mode of "THEFT ALM" of "BCM" using CONSULT-III.
2. Check the horns operation.





Is the operation normal?
YES - INSPECTION END
NO - Go to SEE Diagnosis Procedure.




Diagnosis Procedure
1.CHECK HORN FUNCTION
Check that horn functions properly using horn switch.
Do horns sound?
YES - GO TO 2.
NO - Check horn circuit. [1][2]Electrical Diagrams.
2.CHECK HORN CONTROL CIRCUIT
1. Disconnect horn relay.
2. Disconnect IPDM E/R connector.
3. Check continuity between IPDM E/R harness connector and horn relay harness connector.





4. Check continuity between IPDM E/R harness connector and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - Repair or replace harness.
3.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- INSPECTION END