Power Locks: Service and Repair
Central Locking, Servicing
• Central locking functions electronically.
• The adjusters in the doors are integrated inside the door lock and have 2 motors.
• The adjusters cannot be replaced separately.
• The first motor locks the door and the second motor locks the interior door mechanism (Safe function).
• The door can no longer be opened from the inside.
• The Comfort system central control module (J393) unlocks any locked doors locks when the vehicle is in a crash and the airbags deploy.
Component Overview
1 Front Passenger Door Control Module (J387)
2 Anti-Theft Alarm System Sensor (G578)
3 Right Rear Door Control Module (J389)
4 Comfort System Central Control Module (J393)
5 Fuel Filler Door Unlock Motor (V 155)
6 Vehicle Positioning System Interface Control Module (J843)
7 Motor For Rear Lid Release (V139)
8 Left rear door control module (J388)
9 Driver Door Control Module (J386)
10 Engine Hood Contact Switch (F266)
Driver Door Control Module (J386) / Front Passenger Door Control Module (J387) , Removing and Installing
- Remove the door trim.
- Open the release and the disconnect the connectors - 1 - and - 2 -.
- Disconnect electrical harness connector - 3 -.
- Disconnect the connector - 2 - on the door control module.
- Press the retaining detent - 5 - in - direction of arrow - and disengage the door control module - 6 - on the door shell.
Installing
- Installation in reverse order of removal making sure the retainer locks into the inner door panel.
Left Rear Door Control Module (J388) / Right Rear Door Control Module (J389) , Removing and Installing
- Push the release downward and disconnect the connectors.
- Press the catch in - direction of arrow - and disengage the door control module - 1 - from the door shell.
Installing
- Installation in reverse order of removal making sure the retainer locks into the inner door panel.
Comfort System Central Control Module (J393) , Removing and Installing
- Remove the right luggage compartment side trim..
- Remove the nuts - 2 - and the Vehicle electrical system control module (J519).
- Release the tabs - arrows - and remove the vehicle electrical system control module - 1 -.
Vehicle Positioning System Interface Control Module (J843) , Removing and Installing
- Open the cover for the luggage compartment right trim panel.
- Disconnect the control module connectors - 1 -.
- Release the tab - arrow - and remove the control module.