Only Rear Door LH Lock / Unlock Functions Do Not Operate

DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: Only Rear Door LH LOCK / UNLOCK Functions do not Operate

Only Rear Door LH LOCK / UNLOCK Functions do not Operate

DESCRIPTION

The main body ECU (instrument panel junction block) receives lock/unlock switch signals and activates the door lock motor according to these signals.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT REAR DOOR LOCK ASSEMBLY




(a) Remove the rear door lock assembly LH Removal.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPLACE REAR DOOR LOCK ASSEMBLY
OK -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (REAR DOOR LOCK MOTOR CIRCUIT)




(a) Disconnect the instrument panel junction block connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
3. CHECK HARNESS AND CONNECTOR (DOOR UNLOCK DETECTION SWITCH CIRCUIT)




(a) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)