Body Control Module: Service and Repair

Comfort System Central Control Module J393

Special tools, testers and auxiliary items required

• Torque Wrench (V.A.G 1410)

• If Comfort System Central Control Module is to be replaced, the work procedure => [ Replacing/Coding ] Replacing/Coding to read out the codes stored in the module must always be performed.

• After replacing Comfort System Central Control Module, other functions of the Comfort System Central Control Module such as "anti-theft immobilizer", "anti-theft alarm system", "access/start authorization", "tire pressure monitoring system" and central locking system key must also be adapted, depending on vehicle equipment.

• For these, start with adaptation of anti-theft immobilizer (=> [ Anti-Theft Immobilizer Control Module J362, Adapting ] Anti-Theft Immobilizer Control Module J362, Adapting) and then the other, equipment-dependent functions of Comfort System Central Control Module in any sequence.

Removing

- Switch off the ignition and all electrical consumers and move the ignition key or start button into the 0 position (preliminary engaged position).

- Remove the glove compartment.

- Remove both nuts - 1 - and the comfort system central control module with the bracket - 2 - from the fastener threads. Be careful of the connected wires.






• The openings on the connected and bracket must align exactly to release and disconnect the connector.

- Release the retaining tab - 3 - and slide the comfort system central control module in the bracket in the - direction of the arrow - until the openings on the connector - 1 - align with the openings - 2 - in the bracket.






- Disconnect the connector from the comfort system central control module.

• The number of electrical connections depends on vehicle equipment level and market version.

• All harness connectors are only to be connected in one location and must therefore not be marked.

- Open the four side retainers - arrows - and remove the cover - 1 -.






- Remove the comfort system central control module - 2 - from the bracket.

Installing

Install in reverse order of removal. Note the following:

• The connector can only be connected and locked when the openings on it - 1 - and on the bracket - 2 - align exactly.






- Tighten the nuts to 4.5 Nm.