1. Remove the sliding door trim.
2. Partially peel off the door screen.
3. Disconnect the sliding door lock actuator connector.
4. Apply battery positive voltage to the sliding door lock actuator terminals and inspect the operation of the sliding door lock actuator.
Without double locking system
With double locking system
1. Remove the sliding door trim.
2. Turn the door screen over.
3. Disconnect the sliding door lock actuator connector.
4. Inspect for continuity between the sliding door lock-link switch terminals using an ohmmeter.