Regarding Wiring Diagram information, refer to DLK "INTELLIGENT KEY SYSTEM : Wiring Diagram".
1.CHECK DOOR REQUEST SWITCH INPUT SIGNAL
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK DOOR REQUEST SWITCH CIRCUIT
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS "Removal and Installation".
NO >> Repair or replace harness.
3.CHECK DOOR REQUEST SWITCH GROUND CIRCUIT
Check continuity between malfunctioning front door request switch harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness.
4.CHECK DOOR REQUEST SWITCH
Refer to DLK "Component Inspection".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace malfunctioning front door request switch.
5.CHECK INTERMITTENT INCIDENT
Refer to GI "Intermittent Incident".
>> Inspection End.