Driver Side Door Lock Motor Circuit

DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: Driver Side Door Lock Motor Circuit

Driver Side Door Lock Motor Circuit

DESCRIPTION

The main body ECU controls the front door lock motor LH to lock/unlock the front door LH. This ECU applies current from terminal ACT+ to terminal ACTD 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 FRONT DOOR LOCK MOTOR ASSEMBLY LH




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






NG -- REPLACE FRONT DOOR LOCK MOTOR ASSEMBLY LH
OK -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK MOTOR LH - MAIN BODY ECU)




(a) Disconnect the N4 door lock connector.
(b) Disconnect the DD and J4 ECU connectors.
(c) 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