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 driver side door lock motor is built into the front driver's door lock. The main body ECU controls the driver's door lock to lock/unlock the driver's door. This main body 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 LH

(a) Remove the front door lock LH Removal.





(b) Apply battery voltage and check operation of the door lock motor.

OK:





(c) Reinstall the front door lock LH Installation.

NG -- REPLACE FRONT DOOR LOCK LH Removal
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK LH - MAIN BODY ECU)

(a) Disconnect the J4 front door lock LH connector.

(b) Disconnect the 4H and F38 main body ECU (instrument panel junction block) connectors.





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

Standard resistance:





(d) Reconnect the front door lock LH connector.

(e) Reconnect the main body ECU (instrument panel junction block) connectors.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE MAIN BODY ECU