Component Function Check

1.CHECK FUNCTION 1

1. Disconnect vehicle security horn relay.

2. Perform “VEHICLE SECURITY HORN” in “ACTIVE TEST” mode of “THEFT ALM” of “BCM” using CONSULT- III.

3. Check the horn operation.

Is the operation normal? YES >> GO TO 2.

NO >> Go to SEC-157, "Diagnosis Procedure".

2.CHECK FUNCTION 2

1. Reconnect vehicle security horn relay.

2. Disconnect horn relay.

3. Perform “VEHICLE SECURITY HORN” in “ACTIVE TEST” mode of “THEFT ALM” of “BCM” using CONSULT- III.

4. Check the horn operation.

Is the operation normal? YES >> INSPECTION END

NO >> Go to SEC-157, "Diagnosis Procedure".

Diagnosis Procedure

1.INSPECTION START

Perform inspection in accordance with procedure that confirms malfunction.

Which procedure confirms malfunction? Component Function Check 1>>GO TO 2.

Component Function Check 2>>GO TO 4.

2.CHECK HORN FUNCTION

Check that horn functions properly using horn switch.

Do horns sound? YES >> GO TO 3.

NO >> Check horn circuit. Refer to HRN-3, "Wiring Diagram".

3.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 6.

NO >> Repair or replace harness.

4.CHECK HORN FUNCTION

Check that vehicle security horn functions properly using horn switch.

Do horns sound? YES >> GO TO 5.

NO >> Check vehicle security horn circuit. Refer to HRN-3, "Wiring Diagram".

5.CHECK VEHICLE SECURITY HORN CONTROL CIRCUIT

1. Disconnect IPDM E/R connector.

2. Check continuity between IPDM E/R harness connector and vehicle security horn relay harness connector.

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

Is the inspection result normal? YES >> GO TO 6.

NO >> Repair or replace harness.

6.CHECK INTERMITTENT INCIDENT

Refer to GI-42, "Intermittent Incident".

>> INSPECTION END