Cube L4-1.8L (MR18DE) (2010)
1.CHECK FUNCTION
Check ("REQ SW -DR" or "REQ SW -AS") in "Data Monitor" mode using CONSULT-III.
Is the inspection result normal?
YES - Front door request switch is OK.
NO - See: Door Request Switch/Diagnosis Procedure.
Diagnosis Procedure
DOOR REQUEST SWITCH
Description
Transmits lock/unlock operation to BCM.
DOOR REQUEST SWITCH
Diagnosis Procedure
1.CHECK DOOR REQUEST SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect malfunctioning front door request switch connector.
3. Check voltage between malfunctioning front door request switch harness connector and ground.
Is the inspection result normal?
YES - GO TO 3.
NO - GO TO 2.
2.CHECK DOOR REQUEST SWITCH CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between malfunctioning front door request switch harness connector and BCM harness connector.
3. Check continuity between malfunctioning front door request switch harness connector and ground.
Is the inspection result normal?
YES - Replace BCM. See: Body Control Systems/Body Control Module/Service and Repair/With Intelligent Key System/Removal And Installation.
NO - Repair or replace harness.