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Home >> Toyota >> 2017 >> 86 Base, Automatic Trans >> Repair and Diagnosis (Single Page) >> Steering >> Manual Steering >> Power Steering System - Diagnostic Codes & Circuit Tests >> Power Steering System >> DTC C1516: Torque Sensor Zero Point Adjustment Incomplete; DTC C1526: Rotation Angle Sensor Initialization Incomplete [06/2016 - ] >> Procedure
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DTC C1516: Torque Sensor Zero Point Adjustment Incomplete; DTC C1526: Rotation Angle Sensor Initialization Incomplete [06/2016 - ]: Procedure

  1. CLEAR DTC 
    1. Clear the DTC(s) (Refer to DTC CHECK / CLEAR [06/2016 - ] ).

    Result: 

    NEXT 

    See step  2

  2. INITIALIZE ROTATION ANGLE SENSOR AND CALIBRATE TORQUE SENSOR ZERO POINT 
    1. Initialize the rotation angle sensor and calibrate the torque sensor zero point (Refer to CALIBRATION [06/2016 - ] ).

    Result: 

    NEXT 

    See step  3

  3. CHECK FOR DTC 
    1. Check for DTCs (Refer to DTC CHECK / CLEAR [06/2016 - ] ).
      NOTE:

      If DTC C1516 or C1526 is output even though the rotation angle sensor value initialization and torque sensor zero point calibration have been performed, check the procedure again, and perform the calibration and initialization 3 times.

      RESULT

      Condition Proceed to
      DTC C1516 or C1526 is still output after performing rotation angle sensor initialization and torque sensor zero point calibration 3 times. A
      DTC C1516 or C1526 is not output. B

    Result: 

    END 

    Result: 

    See step  4

  4. REPLACE POWER STEERING ECU ASSEMBLY 
    1. Replace the power steering ECU assembly (Refer to REMOVAL [06/2016 - ] ).

    Result: 

    NEXT 

    See step  5

  5. CLEAR DTC 
    1. Clear the DTC(s) (Refer to DTC CHECK / CLEAR [06/2016 - ] ).

    Result: 

    NEXT 

    See step  6

  6. INITIALIZE ROTATION ANGLE SENSOR AND CALIBRATE TORQUE SENSOR ZERO POINT 
    1. Initialize the rotation angle sensor and calibrate the torque sensor zero point (Refer to CALIBRATION [06/2016 - ] ).

    Result: 

    NEXT 

    See step  7

  7. CHECK FOR DTC 
    1. Check for DTCs (Refer to DTC CHECK / CLEAR [06/2016 - ] ).
      NOTE:

      If DTC C1516 or C1526 is output even though the rotation angle sensor value initialization and torque sensor zero point calibration have been performed, check the procedure again, and perform calibration and initialization 3 times.

      RESULT

      Condition Proceed to
      DTC C1516 or C1526 is still output after performing rotation angle sensor initialization and torque sensor zero point calibration 3 times. A
      DTC C1516 or C1526 is not output. B

    Result: 

    REPLACE STEERING COLUMN ASSEMBLY 

    (Refer to REMOVAL [06/2016 - 03/2017] Refer to REMOVAL [03/2017 - ] )

    Result: 

    END