General Information - Telephone, Bluetooth
Hands-Free Calling, 9ZX
The Information Electronics Control Module 1 -J794- is
installed with the Microphone Unit In Front Roof Module -R164-
and is exclu
The Microphone Unit in Front Roof Module -R164- located in
the Front Interior Lamp -W1- can be replaced only as a complete
unit.
Removing
- Turn off the ignition and all electrical equipment an
The Battery -A- can also be checked using the Vehicle
Diagnostic Tester when it is installed and without being
connected to a battery charger.
Special tools and workshop equipment
required
Vehicle Diagnostic Tester
Test Prerequisites
No battery charger connected
Battery -A- is connected.
B
Overview - Rear Window
1 - Rear Window
Before removing, disconnect all the connectors and secure the
contacts toward the inside to the middle of the window glass using
adhesive tape.
Removing and Installing. Refer to
→ Chapter "Rear Window, Removing and Installing".
2 -