Trunk Opener Request Switch

TRUNK OPENER REQUEST SWITCH





Description
Performs trunk lid open request when it is pressed.




Component Function Check
1.CHECK FUNCTION
With CONSULT-III
Check trunk opener request switch REQ SW -BD/TR in "DATA MONITOR" mode.





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




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





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





Is the inspection result normal?
YES - GO TO 6
NO - GO TO 2
2.CHECK TRUNK OPENER REQUEST SWITCH CIRCUIT
1. Disconnect BCM and trunk opener request switch connector.





2. Check continuity between BCM connector M21 (A) terminal 141 and trunk opener request switch connector B33 (B) terminal 1.





3. Check continuity between BCM connector M21 (A) terminal 141 and ground.





Is the inspection result normal?
YES - GO TO 3
NO - Repair or replace harness between BCM and trunk opener request switch.
3.CHECK TRUNK OPENER REQUEST SWITCH GROUND CIRCUIT





Check continuity between trunk opener request switch connector and ground.





Is the inspection result normal?
YES - GO TO 4
NO - Repair or replace trunk opener request switch 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 TRUNK OPENER REQUEST SWITCH
SEE Component Inspection.
Is the inspection result normal?
YES - GO TO 6
NO - Replace trunk opener request switch.
6.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- Inspection End.




Component Inspection
1.CHECK TRUNK OPENER REQUEST SWITCH





Check trunk opener request switch.





Is the inspection result normal?
YES - Inspection End.
NO - Replace trunk opener request switch.