Steering-Angle Sensor Calibration

NOTE:

The steering-angle sensor must be re-calibrated after all work on the running gear.

The steering-angle sensor can be calibrated with this menu item. The security code is required for calibration of the steering-angle sensor. The security code is contained under menu item "Actual values".

Procedure:

NOTE:

On confirming a prompt with "No" , the Porsche System Tester II 9588 will cancel the test.

Set up vehicle on a running gear measuring platform and connect.
Carry out a complete check on the running-gear setting and correct as necessary. Refer to ADJUSTMENT VALUES FOR SUSPENSION ALIGNMENT .
Use the Porsche System Tester II 9588 in the menu Actual values to select the menu item Security code. The four-figure code can be stored using the "F4" key, but it is still advisable to note down the code.
End the procedure with the key sequence "<<".
Select the menu item Calibrate steering angle sensor using the Porsche System Tester II 9588.
Confirm using appropriate key ("yes"/"No") and the ">>" key whether step 3 has been carried out.
Use the "up" and down or "->" and "<-" to enter the security code and confirm with the appropriate key ("yes"/"No") and ">>" key.
Wait until the display Calibration successfully changed appears.
End the procedure with the "<<" key.

NOTE:

As of model year 2003, a new steering angle sensor is installed with a changed pin assignment for the electrical connection!
The new steering angle sensor is retrospectively applicable to all vehicles with PSM. Vehicles before model year 2003 also require an adapter cable.