Body Control Module: Service and Repair

Comfort System Central Control Module (J393), Through 05.09

• If the 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.

Removing

- Turn off the ignition and all electric consumers and remove the key.

- Remove the glove compartment. Refer to Storage Compartments, Covers and Trim.

- Push the bracket - 2 - retaining lever - 1 - for the comfort system central control module - 3 - in - direction of arrow A -.






- At the same time, push the comfort system central control module - 3 - in the bracket - 2 - approximately 5 mm in - direction of arrow B - into the first in latch position.

• For reasons of clarity, the Comfort System Central Control Module is shown removed in the following illustrations.

• The connectors can only be disengaged and disconnected when the recesses - arrows - of the connectors and bracket line up exactly.






- Release and disconnect the connectors - arrows - from the Comfort System Central Control Module (J393).






• The number of connectors depends on the vehicle equipment.

• All connectors can only be connected in one position and therefore do not need to be labeled.

• The Comfort system central control module - 2 - remains in the bracket - 3 -.






- Unclip the bracket - 3 - out of the retaining tabs - 1 - and remove the bracket - 3 - in - direction of arrow -.

- Push the retaining lever - 3 - in - direction of arrow A - and while doing so, slide the Comfort system central control module - 2 - in - direction of arrow B - out of the bracket - 1 -.






Installing

Install in reverse order of removal. Note the following:

- Slide the Comfort system central control module in the bracket only into the first latch position until the recesses - arrows - of the connectors and bracket stand exactly over each other.

• Connectors can only be released and disconnected when the openings - arrows - on the connectors and on the bracket line up exactly.






- Connect the harness connectors - arrows -.






- Mount the bracket - 3 - together with the connected control module - 2 - onto the retaining tabs - 1 -.






- Slide the control module - 2 - all the way into the bracket (second latch position) to lock the harness connectors.