Normal Operation

The steering wheel position must be calibrated to the straight ahead position after installation of a new steering column, a new steering column intermediate shaft, repairs to the vehicle suspension or adjustment of the vehicle steering and suspension geometry.

1. P1 : STEERING ANGLE SENSOR CALIBRATION 
   • Ignition ON, engine running.
   • Turn the steering wheel approximately thirty degrees in each direction, then return to the central position. Make sure that the steering wheel is set to the straight ahead position.
   • Ignition ON, engine OFF.
   • With the vehicle stationary run the steering angle sensor calibration procedure.
     • REFER to PROGRAMMABLE PARAMETERS/STEERING WHEEL POSITION SENSOR CALIBRATION on the IDS and follow the calibration procedure.
   • Clear the PSCM DTCs.
   • Ignition OFF.
   • Wait 90 seconds for the module to exit the active state.
   • Ignition ON, engine OFF.
   • Carry out the PSCM self-test.
   • Are DTCs C1B00-95 or C1B00-54 present? 

   Yes	No
   INSTALL a new EPAS assembly.	The customers concern has been corrected.