WM 456019 Removing And Installing Steering-Angle Sensor For PSM: Information

The steering-angle sensor is integrated into the steering-column switch. The steering angle is recorded in the airbag contact unit (spring).

Only replace the steering-angle sensor together with the airbag contact unit (spring) and electronic unit. 

Fig 1: Identifying Steering-Angle Sensor

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Fig 2: Diagram Of Steering-Column Switch

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

1. Direction indicator switch
2. On-board computer switch
3. Wiper switch
4. Cruise control switch
5. Airbag contact unit (spring)/steering-angle sensor
6. Electronic unit