This function is used to calibrate the steering angle sensor reference point, so that the control unit gets the correct steering angle information.
The calibration must be done in the following cases:
One or more control units has been replaced.
The sensor has been replaced.
Fault code indicates that a calibration must be performed.
A component in the steering system has been replaced or adjusted.
Rear axle steering system has been calibrated.
The reference point is defined to be straight ahead. Therefore it is important that the vehicle is placed on level ground with the front wheels pointing straight ahead.
Test conditions:
Ignition on.
Vehicle stationary.
The front wheels pointing straight ahead (+/-0.5°). Measuring equipment must be used.
Procedure:
Position the wheels straight ahead, by using the measuring equipment.
Start the function.
The calibration is started and performed automatically.
The function is done.
If the function fails, check the test conditions and repair any faults.