This function erases learned values in the electromechanical power steering. After this is done, a manual procedure shall be used to teach in the new values in the power steering.
This shall be done if:
Control unit for power steering is replaced.
Replacement or reinstalling power steering.
Repairs of steering angle sensor or steering system have been performed.
A basic setting of the steering angle sensor has been performed.
Error code that requires basic setting is stored in the vehicle for the power steering.
Note:
The steering angle sensor must be correctly initiated before basic setting of power steering can be performed.
Test conditions:
Battery voltage above 12 V
Ignition on, engine off.
Procedure:
Select function: "Power steering".
A dialogue box shows: "Operation successful" or "Operation failed" (Control light for power steering turns on).
If the dialogue: "Operation failed" is shown, check test conditions and that power steering is initiated correctly.
Press "OK".
Start the engine, set the steering wheel in middle position (front wheels straight ahead) for at least 2 seconds without touching the steering wheel.
Turn the steering wheel to left full lock and hold it there until you hear 3 beeps. Turn the steering wheel to right full lock and hold it there until you hear 3 beeps. Turn back the steering wheel to middle position (front wheels straight ahead). Control light for steering goes off.
Turn off the ignition and then turn on the ignition again. Read out and erase any error codes in the system for the electromechanical steering.