Body Control Module: Description and Operation

Comfort System Central Control Module (J393)

The comfort system central control module - arrow A - is located under the instrument panel inside the driver footwell.

General Description

The Comfort System Central Control Module performs the following tasks in the vehicle:

• Sunroof control (issues enabling)

• Central locking system control

• Anti-theft warning system control

• Access/Start Authorization

• Light control

• Radio receiver

• Rear lid closing

• Comfort operation

Move the sunroof and roof screen into basic setting. Refer to => [ Comfort System Central Control Module (J393), Sunroof and Sunshade Basic Setting ] Comfort System Central Control Module (J393), Sunroof and Sunshade Basic Setting.

• Adapt the new comfort system central control module with the data set provided and deactivate the production/transport mode.

• Replacing Comfort System Central Control Module, refer to => [ Comfort System Central Control Module (J393), Replacing ] Comfort System Central Control Module (J393), Replacing.

• Deactivate production mode. Refer to => [ Comfort System Central Control Module (J393), Deactivate Production Mode ] Comfort System Central Control Module (J393), Deactivate Production Mode.

DTC Recognition and Display

The Comfort System Central Control Module is equipped with On Board Diagnostics (OBD) which assists troubleshooting.

The "Guided Fault Finding" function is to be used for troubleshooting of the systems as described in => [ Vehicle Diagnosis, Testing and Information Systems ] Testing and Inspection.