Lancer LS L4-2.0L SOHC (2002)
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MB991223: Test Harness Set
STEP 1. Check which door lock is defective.
Q: Which of the door locks is defective?
Driver's door : Go to Step 2.
Front passenger's door : Go to Step 5.
Rear door (LH): Go to Step 8.
Rear door (RH): Go to Step 11.
STEP 2. Check the driver's door lock actuator.
Remove the driver's door lock actuator, and check it. Refer to Door Handle and Latch.
Q: Does the driver's door lock actuator work normally?
YES: Go to Step 3.
NO: Replace the driver's door lock actuator. Check that all the doors can be locked and unlocked normally.