Main use
WARNING: This page is about a different car, the 2006 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.
The main uses of the Column Integration Module (CIM) include:
- Disengaging vehicle immobilizer using a transponder in the key and a receiver in the ignition switch (ISM).
- Controlling the steering column lock (SCL).
- Receiving information from the ISM and sending key position information on the bus.
- Preventing the key from turning LOCK - ON before the SCL has been unlocked.
- Preventing the key from turning LOCK - ON before the car has stopped with the selector lever in P or N.
- Receiving radio signals from the integrated key remote control and sending a message on the bus regarding which button has been pressed.
- Reading the steering wheel levers and steering wheel button positions and sending information on the bus.
- Transferring current to the two driver airbag detonation circuits.
- Sends current steering wheel angle on the bus.
- Acting as a transfer point between the P-bus and the I-bus.
- Connecting the P-bus and the I-bus to the data link connector.