1. Remove the front door trim.
2. Partially peel off the door screen.
3. Disconnect the front door lock actuator connector.
4. Apply battery positive voltage to the front door lock actuator terminals and inspect the operation of the front door lock actuator.
Without double locking system
With double locking system
1. Remove the front door trim.
2. Turn the door screen over.
3. Disconnect the front door lock actuator connector.
4. Inspect for continuity between the door lock-link switch terminals using an ohmmeter.
Driver's side
Passenger's side (with theft-deterrent system)