Diagnosis Procedure
- CHECK DOOR SWITCH INPUT SIGNAL
- Turn ignition switch OFF.
- Disconnect malfunctioning door switch connector.
- Check signal between malfunctioning door switch harness connector and ground using oscilloscope.
(+) (-) Signal
(Reference value)Door switch Connector Terminal Driver side B16 2 Ground Passenger side B216
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
GO TO STEP 2 .
- CHECK DOOR SWITCH CIRCUIT
- Disconnect BCM connector.
- Check continuity between door switch harness connector and BCM harness connector.
Door switch BCM Continuity Connector Terminal Connector Terminal Driver side B16 2 M123 150 Existed Passenger side B216 124 - Check continuity between door switch harness connector and ground.
Door switch Ground Continuity Connector Terminal Driver side B16 2 Not existed Passenger side B216
Is the inspection result normal?
YES
Replace BCM. Refer to REMOVAL AND INSTALLATION .
NO
Repair or replace harness.
- CHECK DOOR SWITCH GROUND CIRCUIT
Check continuity between door switch harness connector and ground.
Door switch Ground Continuity Connector Terminal Driver side B16 3 Existed Passenger side B216 Is the inspection result normal?
YES
GO TO STEP 4 .
NO
Repair or replace harness.
- CHECK DOOR SWITCH
Refer to COMPONENT INSPECTION .
Is the inspection result normal?
YES
GO TO STEP 5 .
NO
Replace malfunctioning door switch. Refer to REMOVAL AND INSTALLATION .
- CHECK INTERMITTENT INCIDENT
Refer to INTERMITTENT INCIDENT .
INSPECTION END