Alarm Module: Service and Repair

Removing







The control module for interior monitoring -1- is installed in the left-rear of the trunk, below the pump for the central locking system -2-.
- Remove left rear trunk trim panel.
- Remove two nuts (arrows).
- Disconnect harness connector at control module.

Installing
Installation is the reverse order of removal.

Pin assignment of control module harness connector
- Control module removed

Control Module Harness Connector, Terminal Assignment:

1 - Voltage supply terminal 30
2 - 06.95: not occupied; 07.95 >: Ground terminal 31
3 - Activating/deactivating CL pump
4 - Ventilation low
5 - Voltage supply sensor, left
6 - Ground sensor, left
7 - Analog signal sensor, left
8 - 40 kHz-Cycle sensor, left
9 - 06.95: not occupied; 07.95 >: switch for deactivation
10 - Output control lamp
11 - Ground terminal 31
12 - Not occupied
13 - Input door contacts
14 - Ventilation high
15 - Voltage supply sensor, right
16 - Ground sensor, right
17 - Analog signal sensor, right
18 - 40 kHz-cycle sensor, right
19 - Not occupied
20 - Alarm output to CL pump

Pin assignment of sensor harness connector
- Sensor unit removed

Sensor Harness Connector, Terminal Assignment:

1 - 40 kHz-cycle
2 - Voltage supply
3 - Ground
4 - Analog signal