1. On models equipped with central locking, it forces all passenger door locks to follow the position of the driver's door lock. System details - driver's door lock switch, passenger door solenoid actuator, control unit and interconnecting wiring.
2. If there is a malfunction in the system, the doors can be closed and opened manually. Check the appropriate fuse and fuse if the system does not work at all.
3. After removing the trim panel and water-repellent film, we get access to the parts installed in the door (Chapter 16). Checking is done by replacing known good units; no repairs are possible. Before installing the finish, check the correct operation of the lock.
4. Control box (sometimes called a timer) located behind the trim panel in the passenger footwell.