Operation CHARM: Car repair manuals for everyone.

General Information






Comfort System Central Control Module (J393)

The comfort system central control module is located behind the glove compartment.

All access/start authorization functions are actuated via the comfort system central control module. Refer to => [ Comfort System Central Control Module ] Description and Operation.

It is necessary to adapt the Access/Start Authorization after replacing the comfort system central control module.

If the comfort system central control module is to be replaced, the work procedure => [ Comfort System Central Control Module, Replace and Coding ] Programming and Relearning to read out the codes stored in the module must always be performed.

After replacing comfort system central control module, other functions of Comfort System Central Control Module such as Anti-theft Immobilizer, Anti-theft Alarm System, access and start authorization, tire pressure monitoring and central locking system key must also be adapted, depending on vehicle equipment.

In this case, start by adapting the Anti-theft Immobilizer, refer to => [ Anti-Theft Immobilizer Control Module, Adapting ] Anti-Theft Immobilizer Control Module (J362), Adapting and then the other equipment-dependent functions of access and start authorization in any order.

access and start authorization, removing and installing, refer to => [ Comfort System Central Control Module ] Comfort System Central Control Module (J393).