Diagnosis Procedure
- CHECK FRONT DOOR SWITCH INPUT SIGNAL
- Turn ignition switch OFF.
- Disconnect malfunction front door switch connector.
- Check signal between malfunction front door switch harness connector and ground with oscilloscope.
(+) (-) Voltage (V) (Approx.) Front door switch Connector Terminal Driver side B16 2 Ground Passenger side B216 Is the inspection result normal?
YES: GO TO 3.
NO: GO TO 2.
- CHECK DOOR SWITCH CIRCUIT
- Disconnect BCM connector.
- Check continuity between BCM harness connector and malfunction door switch harness connector.
BCM Front door switch Continuity Connector Terminal Connector Terminal M123 124 B216 2 Exists 150 B16 - Check continuity between BCM harness connector and ground.
BCM Ground Continuity Connector Terminal M123 124 Not exist 150 Is the inspection result normal?
YES: Replace BCM. Refer to "EXPLODED VIEW ".
NO: Repair or replace harness.
- CHECK FRONT DOOR SWITCH
Check front door switch.
Refer to "COMPONENT INSPECTION ".
Is the inspection result normal?
YES: GO TO 4.
NO: Replace malfunction front door switch. Refer to "REMOVAL AND INSTALLATION ".
- CHECK INTERMITTENT INCIDENT
Refer to "INTERMITTENT INCIDENT ".
: INSPECTION END