Door Request Switch

DOOR REQUEST SWITCH





Description
Transmits lock/unlock operation to BCM.




Component Function Check
1.CHECK FUNCTION
With CONSULT-III
Check door request switch REQ SW-DR, REQ SW-AS in "DATA MONITOR" mode.





Is the inspection result normal?
YES - Door request switch is OK.
NO - SEE Diagnosis Procedure.




Diagnosis Procedure
Regarding Wiring Diagram information, [1][2]Electrical Diagrams.
1.CHECK DOOR REQUEST SWITCH OUTPUT SIGNAL
1. Turn ignition switch OFF.





2. Check voltage between BCM harness connector and ground using an oscilloscope.





Is the inspection result normal?
YES - GO TO 6
NO - GO TO 2
2.CHECK DOOR REQUEST SWITCH CIRCUIT
1. Disconnect BCM and front outside handle connector.





2. Check continuity between BCM connector M19 (A) terminals 88, 89 and front outside handle connector LH D6 or RH D106 (B) terminal 3.





3. Check continuity between BCM connector M19 (A) terminals 88, 89 and ground.





Is the inspection result normal?
YES - GO TO 3
NO - Repair or replace harness between BCM and front outside handle.
3.CHECK DOOR REQUEST SWITCH GROUND CIRCUIT





Check continuity between front outside handle connector and ground.





Is the inspection result normal?
YES - GO TO 4
NO - Repair or replace front outside handle ground circuit.
4.CHECK BCM OUTPUT SIGNAL
1. Connect BCM connector.





2. Check voltage between BCM connector and ground.





Is the inspection result normal?
YES - GO TO 5
NO - Replace BCM. Service and Repair.
5.CHECK DOOR REQUEST SWITCH
SEE Component Inspection.
Is the inspection result normal?
YES - GO TO 6
NO - Replace malfunctioning front outside handle.
6.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- Inspection End.




Component Inspection
1.CHECK DOOR REQUEST SWITCH





Check front outside handle (request switch).





Is the inspection result normal?
YES - Inspection End.
NO - Replace malfunctioning front outside handle.