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64
Steering Angle Sensor (SAS) Service
SAS Calibration permanently stores the current steering wheel position as the straight-
ahead position in the SAS EEPROM. Therefore, the front wheels and the steering wheel
must be set exactly to the straight-ahead position before calibration. In addition, the VIN
is also read from the instrument cluster and stored permanently in the SAS EEPROM. On
successful completion of calibration, the SAS fault memory is automatically cleared.
Calibration must always be carried out after the following operations:
Steering wheel replacement
SAS replacement
Any maintenance that involves opening the connector hub from the SAS to the
column
Any maintenance or repair work on the steering linkage, steering gear or other related
mechanism
Wheel alignment or wheel track adjustment
Accident repairs where damage to the SAS or assembly, or any part of the steering
system may have occurred
NOTE
1. Autel accepts no responsibility for any accident or injury arising from servicing the
SAS system. When interpreting DTCs retrieved from the vehicle, always follow the
manufacturer's recommendation for repair.
2. All software screens shown in this manual are examples, and actual test screens may
vary by test vehicle. Pay attention to the menu titles and onscreen instructions to
make correct option selections.
3. Before starting procedure, make sure the vehicle has an ESC button. Look for button
on dash.
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