Component Function Check

1.CHECK FUNCTION

1. Select “DOOR LOCK” of “BCM” using CONSULT-III.

2. Select “DOOR SW-DR”, “DOOR SW-AS”, “DOOR SW-RL”, “DOOR SW-RR”, “DOOR SW-BK” in “DATA MONITOR” mode.

3. Check that the function operates normally according to the following conditions.

Is the inspection result normal? YES >> Door switch is OK.

NO >> Refer to DLK-258, "Diagnosis Procedure".

Diagnosis Procedure

1.CHECK DOOR SWITCH INPUT SIGNAL

1. Turn ignition switch OFF.

2. Disconnect malfunctioning door switch connector.

3. Check signal between malfunctioning door switch harness connector and ground using oscilloscope.

Is the inspection result normal? YES-1 >> Back door: GO TO 3.

YES-2 >> Other door: GO TO 4.

NO >> GO TO 2.

2.CHECK DOOR SWITCH CIRCUIT

1. Disconnect BCM connector.

2. Check continuity between door switch harness connector and BCM harness connector.

3. Check continuity between door switch harness connector and ground.

Is the inspection result normal? YES >> Replace BCM. Refer to BCS-93, "Removal and Installation".

NO >> Repair or replace harness.

3.CHECK BACK DOOR SWITCH CIRCUIT

Check continuity between back door lock assembly harness connector and ground.

Is the inspection result normal? YES >> GO TO 4.

NO >> Repair or replace harness.

4.CHECK DOOR SWITCH

Refer to DLK-259, "Component Inspection".

Is the inspection result normal? YES >> GO TO 5.

NO >> Replace malfunctioning door switch.

5.CHECK INTERMITTENT INCIDENT

Refer to GI-42, "Intermittent Incident".

>> INSPECTION END

Component Inspection

1.CHECK DOOR SWITCH

1. Turn ignition switch OFF.

2. Disconnect malfunctioning door switch connector.

3. Check continuity between door switch terminals.

Is the inspection result normal? YES >> INSPECTION END

NO >> Replace malfunction door switch.