Rear Door Lock Motor Circuit

DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: Rear Door Lock Motor Circuit

Rear Door Lock Motor Circuit

DESCRIPTION

The rear left door lock motor is built into the rear left door lock assembly.
The main body ECU controls the rear left door lock motor to lock/unlock the rear left door. This ECU applies current from terminal ACT+ to terminal ACT- to operate the motor to lock the door. It reverses the direction of the current flow to operate the motor to unlock the door.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT REAR DOOR LOCK ASSEMBLY




(a) Remove the rear door lock assembly LH.
(b) Apply battery voltage and check operation of the door lock motor.
OK:






NG -- REPLACE REAR DOOR LOCK ASSEMBLY
OK -- Continue to next step.
2. CHECK WIRE HARNESS (REAR DOOR LOCK - MAIN BODY ECU (INSTRUMENT PANEL J/B))
(a) Disconnect the rear door lock assembly LH connector.




(b) Disconnect the ECU (instrument panel J/B) connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE