Body Control Module: Description and Operation

Comfort System Central Control Module (J393), Through 05.09

The comfort system central control module is located under the instrument panel, on the right side, behind the glove compartment.

In vehicles from 06.09, the comfort functions are controlled by the Vehicle electrical system control module (J519). Refer to => [ Vehicle Electrical System Control Module (J519), From 06.09 ] Vehicle Electrical System Control Module (J519), From 06.09.

• Additional information:

General Description

The comfort system central control module performs the following tasks in the vehicle:

• Sunroof control (issues enabling)

• Window regulator control (issues enabling)

• Central locking system control

• Anti-theft warning system control

• Radio receiver

• Rear lid closing

• Comfort operation

• If the Comfort System Central Control Module (J393) is to be replaced, the work procedure => [ Replacing/Coding ] Replacing/Coding to read out the codes stored in the module must always be performed.

DTC Recognition and Display

The Comfort System Central Control Module (J393) is equipped with On Board Diagnostics (OBD) which assists troubleshooting.

For troubleshooting, use Vehicle Diagnostic Tester in "Guided Fault Finding"mode.