Diagnosis Procedure

DOOR REQUEST SWITCH


BACK DOOR REQUEST SWITCH : Description

Transmits lock/unlock operation to Intelligent Key unit.





DOOR REQUEST SWITCH


BACK DOOR REQUEST SWITCH : Diagnosis Procedure

Regarding Wiring Diagram information, .
1.CHECK BACK DOOR REQUEST SWITCH
With CONSULT-III
Check back door request switch "BD/TR REQ SW" in "DATA MONITOR" mode.






Without CONSULT-III
1. Turn ignition switch OFF.





2. Check voltage between Intelligent Key unit harness connector
M164 terminal 29 and ground.






Is the inspection result normal?
YES - Back door request switch is OK.
NO - GO TO 2
2.CHECK BACK DOOR REQUEST SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit and back door request switch connectors.
3. Check continuity between Intelligent Key unit harness connector (A) M164 terminal 29 and back door request switch harness connector (B) D552 terminal 1.

29 - 1 : Continuity should exist.





4. Check continuity between Intelligent Key unit harness connector
(A) M164 terminal 29 and ground.

29 - Ground : Continuity should not exist.

Is the inspection result normal?
YES - GO TO 3
NO - Repair or replace harness between Intelligent Key unit and back door request switch.
3.CHECK BACK DOOR REQUEST SWITCH GROUND CIRCUIT
Check continuity between back door request switch harness connector D552 terminal 2 and ground.

2 - Ground : Continuity should exist.





Is the inspection result normal?
YES - GO TO 4
NO - Repair or replace back door request switch ground circuit.
4.CHECK BACK DOOR REQUEST SWITCH OPERATION
Component Inspection.
Is the inspection result normal?
YES - GO TO 5
NO - Replace back door request switch.
5.CHECK BACK DOOR REQUEST SWITCH SIGNAL
1. Connect Intelligent Key unit connector.





2. Check voltage between Intelligent Key unit harness connector
M164 terminal 29 and ground.






Is the inspection result normal?
YES - Intermittent Incident.
NO - Replace Intelligent Key unit. Service and Repair.