Steering Angle Sensor Centering
An inaccurate or not centered steering angle sensor could limit the operation of the electric power steering and may result in personal injury.
The GDS2 calibration software must be updated to the latest diagnostic package for the scan tool Reset and Learn functions to work correctly.
The external, column mounted, steering angle sensor does not require a centering often. Centering of the external steering angle sensor might be required after certain service procedures are performed. Some of these procedures are as follows:
- Wheel alignment
- Steering gear replacement
- Steering column replacement
- Steering angle sensor replacement
- Collision or other physical damage
- Electronic brake control module (EBCM) replacement
The external steering angle sensor centering procedure can be completed with a scan tool using the following steps:
- Using the steering wheel, align the front wheels forward.
- Apply the parking brake, or set the transmission in the Park.
- Install the scan tool to the data link connector.
- Ignition ON, engine OFF
- Select Steering Wheel Angle Sensor Reset in the Steering Wheel Angle Sensor Module Configuration/Reset Functions list.
- Follow the scan tool directions to complete the reset procedure.
- Select Steering Wheel Angle Sensor Learn in the Steering Wheel Angle Sensor Module Configuration/Reset Functions list.
- Follow the scan tool directions to complete the learn procedure.
- Select Steering Wheel Angle Sensor Learn in the Electronic Brake Control Module Configuration/Reset Functions list.
- Follow the scan tool directions to complete the learn procedure.
- If the vehicle is equipped with RPO NJ1 electronic power steering, perform the Software Endstop Learning procedure. Refer to Power Steering Control Module Calibration .
- Clear any DTCs that may be set.
If installing a new steering angle sensor, the Reset function is not required. Proceed to step 7. Reset function only needs to be performed when using a vehicles existing steering angle sensor.