This basic setting is used to erase the electromechanical steering assistance learning values. After this is performed, a manual procedure shall be done to learn the new values in the steering assistance system.
This must be done if:
The steering servo has been replaced or removed.
A repair of the steering angle sensor or the steering system has been performed.
A basic setting of the steering angle sensor has been performed.
A fault code that requires a basic setting is stored in the steering assistance control unit.
Note:
The steering angle sensor must have been correctly initiated before a basic setting of the steering assistance is performed.
Test prerequisities:
The battery voltage should be >12 V.
Ignition on, engine off.
Procedure:
Choose the function: Steering assistance.
A dialogue box confirms: operation succeeded/failed
Confirm with OK.
Start the engine, turn the steering wheel to the straight ahead position (the front wheels straight forward) at least 2 seconds without moving the steering wheel.
Turn carefully the steering wheel to the left end position and hold for a while. Turn carefully the steering wheel to the right end position and hold for a while. Turn back the steering wheel to the straight ahead position (the front wheels straight forward). The control lamp for the electromechanical steering assistance turns off.
Switch OFF/ON the ignition. Read and erase fault codes in the steering assistance system.