Alarm Module: Service and Repair

61 35 015 - Removing and installing (replacing) control unit for Car Access System





Important!
Read and comply with notes on protection against electrostatic damage (ESD protection) 61 35 ... Notes on ESD Protection (Electro Static Discharge).

Note:
The comfort access system is a radio-based system and can be interfered with by radio waves from other systems (e.g. mobile phone).





Necessary preliminary tasks:
- Remove left fresh-air grill 64 22 137 Removing and Installing/Replacing Left Fresh-Air Grill

- Remove trim panel for pedal assembly 51 45 185 Removing and Installing/Replacing Panel For Pedals





Note:
For purposes of clarity, the illustration shows the bottom left instrument panel trim removed.

Disconnect plug connection (2).

Important!
Carefully disconnect plug connection for ribbon cable (1).
Replace ribbon cable (1) if damaged.
The ribbon cable leads to:
- Insert for radio control key

- Start/Stop switch

Release screw (3), feed control unit for Car Access System (4) out of holder and remove.





Installation Note:
Feed guide (1) of control unit for Car Access System (2) correctly into associated mounting.





Replacement:
Carry out vehicle programming/coding Programming and Relearning.