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Home >> Pontiac >> 2009 >> Vibe Base, 2.4 0, AWD >> Repair and Diagnosis >> Steering >> Power Steering System >> Repair Instructions >> Steering Angle Sensor Initialization and Steering Shaft Torque Sensor Zero Point Calibration (Scan Tool)

Steering Angle Sensor Initialization and Steering Shaft Torque Sensor Zero Point Calibration (Scan Tool)

    IMPORTANT: Clear the steering angle sensor calibration value, initialize the steering angle sensor, and calibrate the steering shaft torque sensor zero point if any of the following has occurred:
    • The power steering control module has been replaced.
    • The power steering link has been replaced.
    • Steering effort differs between left and right.
  1. Inspection before calibration.
    1. Turn the ignition switch Off.
    2. Connect the Tech 2 to the data link connector.
    3. Turn the ignition switch On.
    4. Turn the Tech 2 On.
    5. Enter the following menus: Chassis/EMPS/Data List
      6. IMPORTANT: If the ignition power supply voltage is 9 volts or less, the calibration cannot be performed. Recharge or replace the battery and then perform the calibration.
    6. Check the Ignition Voltage parameter. The voltage should be between 11 and 14 volts.
  2. Steering angle sensor calibration value clear, steering angle sensor initialization, and steering shaft torque sensor zero point calibration.
      IMPORTANT: If DTC C1516 (Torque Sensor Zero Point Adjustment Incomplete) is stored, the steering shaft torque sensor zero point cannot be calibrated. Clear the DTC before starting calibration.
      If DTC C1526 (Rotation Angle Sensor Initialization Incomplete) is stored, the steering angle sensor cannot be initialized. Clear the DTC before starting initialization.
    1. Turn the ignition switch Off.
    2. Connect the Tech 2 to the data link connector.
    3. Turn the ignition switch On.
    4. Turn the Tech 2 On.
      5. IMPORTANT: Set the steering wheel to the center point and align the front tires straight ahead.
      Do not turn the steering wheel sharply.
      Do not touch the steering wheel during the torque sensor zero point calibration (for 3 seconds).
    5. Enter the following menus: Chassis/EMPS/Special Functions/Steering Position/Torque Sensor Cal. Follow the instructions provided in scan tool.
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