Operation CHARM: Car repair manuals for everyone.

Removing and Installing Steering Angle Sensor


Removing and installing steering-angle sensor

General information
The steering-angle sensor is integrated into the steering column switch.





The steering angle is recorded in the contact unit for airbags (spiral spring) -C-. The sensed data is sent from the electronic unit -E- via the drive CAN bus to various systems (e.g., PSM, corner-sensitive headlight) for further processing. Replacement of the steering-angle sensor requires the steering column switch to be removed.

If faults have been diagnosed on the steering-angle sensor, the steering column switch must be disassembled into the components -A, B, C, D, E-.

The steering-angle sensor can only be replaced together with the contact unit for airbag -C- (spiral spring) and the electronic unit -E-.





A - Direction indicator switch
B - Cruise control switch
C - Contact unit for airbag (spiral spring)
D - Switch for wiper/washer system
E - Electronic unit

Replacing the steering-angle sensor





A - Direction indicator switch
B - Cruise control switch
C - Contact unit for airbag (spiral spring)
D - Switch for wiper/washer system
E - Electronic unit

1. In order to replace the steering-angle sensor, the contact unit for airbag -C- and the electronic unit -E- must be replaced.
2. Once installed, the steering-angle sensor must be calibrated for the PSM system using the Porsche System Tester.