This function is used to calibrate components related to the active steering.
Steering angle sensor (SAS).
Electric steering motor, offset angle.
Active steering, torque compensation.
The calibration must be done in the following cases:
One or more control units has been replaced.
The electric steering motor has been replaced or recalibrated.
Steering angle sensor (SAS) has been replaced or recalibrated.
Wheel alignment has been performed.
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.
Note:
Caution, as the wheels rotate automatically.
Test conditions:
Ignition on.
handbrake applied.
The steering wheel in the lowest possible position.
Vehicle stationary.
The front wheels pointing straight ahead (+/-0.5°). Measuring equipment must be used.
Do not tilt the cab.
Procedure:
Position the wheels straight ahead, by using the measuring equipment.
Start the function.
The calibration starts and is performed automatically on the steering angle sensor and the electric steering motor.
A dialogue box with start the engine appears.
Press "OK" to continue.
Calibration of the active steering starts. The steering wheel and the wheels will turn automatically.
The function is done.
If the function fails, check the test conditions and repair any faults.