456019 Removing and installing steering-angle sensor for PSM

WM 456019 Removing and installing steering-angle sensor for PSM

Technical values





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.





Steering-angle sensor





Diagram of steering-column switch





Preliminary work

1. Remove airbag unit => Removing and installing driver's airbag unit
2. Remove steering wheel => Removing and installing steering wheel

Replacing

The steering-angle sensor can only be replaced together with the airbag contact unit -E- and electronic unit -F-.





Diagram of steering-column switch





1. Replace the steering-angle sensor.
Replace the airbag contact unit (spring)/steering-angle sensor -E- and electronic unit -F-.

Installing





Steering-angle sensor

1. Install in reverse order.
2. Install steering-column switch.






Subsequent work

1. Install steering wheel => Removing and installing steering wheel.
2. Install airbag unit => Removing and installing driver's airbag unit.
3. Initialise and calibrate steering-angle sensor -> 456000 Initialising and calibrating steering-angle sensor.