G37x Sedan AWD V6-3.7L (VQ37VHR) (2010)
Horn: Testing and Inspection
Diagnosis Procedure
HORN FUNCTION
Description
Performs answer-back for each operation with horn.
HORN FUNCTION
Diagnosis Procedure
1.CHECK HORN SWITCH
Check horn function with horn switch
Do the horns sound?
YES - GO TO 2.
NO - Refer to See: Diagrams/Electrical Diagrams.
2.CHECK HORN RELAY POWER SUPPLY
1. Turn ignition switch ON.
2. Perform "ACTIVE TEST" ("HORN") using CONSULT-Ill.
3. Check voltage between malfunctioning horn relay harness connector and ground.
Is the inspection result normal?
YES - GO TO 4.
NO - GO TO 3.
3.CHECK HORN RELAY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector and horn relay.
3. Check continuity between IPDM E/R harness connector and malfunctioning horn relay terminal connector.
4. Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES - Replace IPDM E/R. Refer to See: Power and Ground Distribution/Power Distribution Module/Service and Repair/Removal and Installation.
NO - Repair or replace harness.
4.CHECK INTERMITTENT INCIDENT
Refer to See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Intermittent Incident.
Is the inspection result normal?
- INSPECTION END