Audi A4: Central Locking

Component Location Overview - Central Locking

1 -  Engine Hood Contact Switch -F266-

• In the latch
• Removing and installing. Refer to → Chapter "Engine Hood Contact Switch -F266-, Removing and Installing".

2 -  Hood Contact Switch 2 -F329-

• In the latch
• Removing and installing. Refer to → Chapter "Engine Hood Contact Switch -F266-, Removing and Installing".

3 -  Front Passenger Door Control Module -J387-

• Removing and installing. Refer to → Chapter "Driver Door Control Module -J386- and Front Passenger Door Control Module -J387-, Removing and Installing".

4 -  Anti-Theft Alarm System Sensor -G578-

• Overview. Refer to → Electrical Equipment; Rep. Gr.96; Anti-Theft Alarm System; Overview - Interior Monitoring.

5 -  Passenger Side Rear Door Control Module -J927-

• Equipped on some models. For allocation, refer to the Parts Catalog.
• Removing and installing. Refer to → Chapter "Left Rear Door Control Module -J388- and Right Rear Door Control Module -J389-, Removing and Installing".

6 -  Fuel Filler Door Lock Motor -V155-

• Removing and installing. Refer to → Chapter "Fuel Filler Door Lock Motor -V155-, Removing and Installing".

7 -  Rear Latch

• With the Rear Lid Central Locking System Motor -V53- / Rear Lid Alarm Switch -F123-, cannot be replaced separately.
• Overview. Refer to → Chapter "Overview - Rear Lid".

8 -  Comfort System Central Control Module -J393-

• Removing and installing. Refer to → Chapter "Comfort System Central Control Module -J393-, Removing and Installing".

9 -  Driver Side Rear Door Control Module -J926-

• Equipped on some models. For allocation. Refer to the Parts Catalog.
• Removing and installing. Refer to → Chapter "Left Rear Door Control Module -J388- and Right Rear Door Control Module -J389-, Removing and Installing".

10 -  Driver Door Control Module -J386-

• Removing and installing. Refer to → Chapter "Driver Door Control Module -J386- and Front Passenger Door Control Module -J387-, Removing and Installing".

11 -  Vehicle Electrical System Control Module -J519-

• Component location overview. Refer to → Electrical Equipment; Rep. Gr.97; Control Modules; Component Location Overview - Control Modules.

Tightening Specifications for Comfort System Central Control Module -J393- Mount

- Tighten the nut -arrow- to 3 Nm.

Driver Door Control Module -J386- and Front Passenger Door Control Module -J387-, Removing and Installing

Removing

- Remove the front door trim panel. Refer to → Body Interior; Rep. Gr.70; Front Door Trim Panels; Front Door Trim Panel, Removing and Installing.

- Pull the retainer and push the release downward to disconnect the connectors -3 and 4-.

- Disconnect the connector -5-.

- Press the catch in the direction of -arrow- and disengage the door control module -2- from the door body.

- Remove the rubber boot -1- from the door control module.

Installing

Install in reverse order of removal.

Left Rear Door Control Module -J388- and Right Rear Door Control Module -J389-, Removing and Installing

Removing

- Remove the rear door trim panel. Refer to → Body Interior; Rep. Gr.70; Rear Door Trim Panels; Rear Door Trim Panel, Removing and Installing.

- Disconnect the connector -3- by pulling the retainer and pressing the release down.

- Disconnect the connector -4-.

- Free up the connector -5- at the door control module.

- Press the catch in the direction of -arrow- and disengage the door control module -2- from the door body.

- Remove the rubber boot -1- from the door control module.

Installing

Install in reverse order of removal.

Comfort System Central Control Module -J393-, Removing and Installing

Removing

- Sedan: Loosen the luggage compartment side trim panel at the bottom by removing the tie downs. Refer to → Body Interior; Rep. Gr.70; Luggage Compartment Trim Panels; Tie Downs, Removing and Installing.

- Avant: Remove the luggage compartment floor support. Refer to → Body Interior; Rep. Gr.70; Luggage Compartment Trim Panels; Overview - Luggage Compartment Side Trim Panel.

- Open the cover for the left luggage compartment side trim panel.

- Release the retainer -1-.

- Remove the bracket -2- for the control modules upward -arrow-.

- Remove the nut -3-.

- Release the retainer in the direction of -arrow A-.

- Remove the mount -1- upward.

- Release the retainer in the direction of -arrow B- and remove the guide -4- from the body in the direction of -arrow C-.

- Remove the bracket -2- for the central control module.

- Disconnect the connectors -1, 2, 3, 4 and 6-.

- Release the retainers -arrows- and guide the central control module -5- out of the mount.

Installing

Install in reverse order of removal.

Tightening Specifications

• Refer to → Fig. "Tightening Specifications for Comfort System Central Control Module -J393- Mount"

Engine Hood Contact Switch -F266-, Removing and Installing

Removing

- Remove the front latch. Refer to → Chapter "Latch, Removing and Installing".

- Lift the retaining tab -1- in the direction of -arrow A-.

- Disengage the contact switch -2- from the latch -3- in the direction of in the direction of -arrow B- and remove.

Installing

Install in reverse order of removal and note the following:

• The guide pins -4- on the contact switch must inserted correctly in the front latch.

Fuel Filler Door Lock Motor -V155-, Removing and Installing

Removing

- Remove the fuel filler door unit. Refer to → Chapter "Fuel Filler Door Unit, Removing and Installing".

- Remove the bolts -arrows-.

- Remove the fuel filler door lock motor -1- with the emergency release cable from the fuel filler door unit -2-.

- If the fuel filler door lock motor is being replaced, remove the emergency release cable for the fuel filler door lock. Refer to → Chapter "Emergency Release Cable, Removing and Installing".

Installing

Install in reverse order of removal.

Tightening Specifications

• Refer to → Chapter "Overview - Fuel Filler Door Unit"

Special Tools

Special tools and workshop equipment required

• Wedge Set -T10383-
• Wedge 1 -T10383/1-

• Adhesive Strip Remover -VAS6349-

• Angled Screwdriver -VAS6543-

• Roller -3356-

• Gauge - Gap Adjustment -3371-
• Not illustrated:
• Template -T40038/20-

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