POWER DOOR LOCK CONTROL SYSTEM > Rear Door Lock Motor LH Circuit

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DESCRIPTION

The rear left side door lock motor is built into the rear left side door lock assembly.
The body ECU controls the rear left side door lock motor to lock/unlock the rear left side 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


B109771E05


INSPECTION PROCEDURE

1.INSPECT REAR DOOR LOCK ASSEMBLY


  1. Remove the rear door lock assembly.


    B112742E01

  1. Apply battery voltage and check operation of the door lock motor.

    OK:
    Measurement Condition
    		Specified Condition
    Battery positive (+) → Terminal 2
    Battery negative (-) → Terminal 1
    		Lock
    Battery positive (+) → Terminal 1
    Battery negative (-) → Terminal 2
    		Unlock



NG
REPLACE REAR DOOR LOCK ASSEMBLY
OK


2.CHECK WIRE HARNESS (REAR DOOR LOCK ASSEMBLY - INSTRUMENT PANEL J/B (BODY ECU))


    B111700E05

  1. Disconnect the rear door lock assembly connector.

  1. Disconnect the instrument panel J/B connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard resistance:
    Tester Connection
    		Condition
    		Specified Condition
    D14-2 (L) - 1P-11
    		Always
    		Below 1 Ω
    D14-1 (UL) - 1P-6
    		Always
    		Below 1 Ω



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE