Door Switch

DOOR SWITCH

Component Function Check


1. CHECK FUNCTION

1.Select "DOOR LOCK" of "BCM" using CONSULT.
2.Select "DOOR SW-DR", "DOOR SW-AS", "DOOR SW-RL", "DOOR SW-RR" 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- .


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 with oscilloscope.





Is the inspection result normal?
YES- GO TO 3.
NO- GO TO 2.

2. CHECK DOOR SWITCH CIRCUIT

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





3.Check continuity between BCM harness connector and ground.





Is the inspection result normal?
YES- Replace BCM. Service and Repair.
NO- Repair or replace harness.

3. CHECK DOOR SWITCH

.
Is the inspection result normal?
YES- GO TO 4.
NO- Replace malfunctioning door switch.

4. CHECK INTERMITTENT INCIDENT

Intermittent Incident.
- INSPECTION END


Component Inspection


1. CHECK DOOR SWITCH

1.Turn ignition switch OFF.
2.Disconnect malfunction door switch connector.
3.Check continuity between door switch terminals.





Is the inspection result normal?
YES- INSPECTION END
NO- Replace malfunctioning door switch.