POWER STEERING SYSTEM, Diagnostic DTC:C1516, C1526

DTC Code DTC Name
C1516 Torque Sensor Zero Point Adjustment Incomplete
C1526 Rotation Angle Sensor Initialization Incomplete

DESCRIPTION

These DTCs do not indicate a malfunction. The power steering ECU outputs these DTCs when it determines that the rotation angle sensor value initialization and torque sensor zero point calibration are incomplete.

DTC No. DTC Detection Condition Trouble Area
C1516 Torque sensor zero point calibration is incomplete due to the steering wheel being touched during calibration. There is no malfunction if this DTC is not output again after clearing the DTCs and torque sensor calibration value, and performing zero point calibration.
C1526 Rotation angle sensor value initialization is incomplete due to the steering wheel being touched during calibration. There is no malfunction if this DTC is not output again after clearing the DTCs and torque sensor calibration value, and performing rotation angle sensor value initialization.

INSPECTION PROCEDURE

Note

If the steering column assembly or power steering ECU has been replaced, perform the rotation angle sensor value initialization and torque sensor zero point calibration Click here.

PROCEDURE


  1. CLEAR DTC


    1. Clear the DTCs Click here.


    NEXT

  2. INITIALIZE ROTATION ANGLE SENSOR VALUE AND CALIBRATE TORQUE SENSOR ZERO POINT


    1. Initialize the rotation angle sensor value and calibrate the torque sensor zero point Click here.


    NEXT

  3. CHECK FOR DTC


    1. Check for DTCs Click here.

      Result
      Condition Proceed to
      DTCs are still output after performing rotation angle sensor value initialization and steering zero point calibration 3 times*1. A
      DTCs are still output even after performing rotation angle sensor value initialization and steering zero point calibration once or twice*2. B
      Normal system code is output. C

      Tech Tips


      • *1: The power steering ECU must be replaced if DTC C1516 or C1526 is still output even after the rotation angle sensor value initialization and torque sensor zero point calibration is performed 3 times.

      • *2: Perform the rotation angle sensor value initialization and torque sensor zero point calibration again if DTC C1516 or C1526 is still output even after the rotation angle sensor value initialization and calibration is performed once or twice.


    B

    PERFORM ROTATION ANGLE SENSOR VALUE INITIALIZATION AND ZERO POINT CALIBRATION AGAIN Click here

    C

    END

    A

  4. REPLACE POWER STEERING ECU


    1. Replace the power steering ECU Click here.


    NEXT

  5. CLEAR DTC


    1. Clear the DTCs Click here.


    NEXT

  6. INITIALIZE ROTATION ANGLE SENSOR VALUE AND CALIBRATE TORQUE SENSOR ZERO POINT


    1. Initialize the rotation angle sensor value and calibrate the torque sensor zero point Click here.


    NEXT

  7. CHECK FOR DTC


    1. Check for DTCs Click here.

      Result
      Condition Proceed to
      DTCs are still output after performing rotation angle sensor value initialization and steering zero point calibration 3 times*1. A
      DTCs are still output even after performing rotation angle sensor value initialization and steering zero point calibration twice*2. B
      Normal system code is output. C

      Tech Tips


      • *1: The steering column assembly must be replaced if DTC C1516 or C1526 is still output even after the rotation angle sensor value initialization and torque sensor zero point calibration is performed 3 times.

      • *2: Perform the rotation angle sensor value initialization and torque sensor zero point calibration again if DTC C1516 or C1526 is still output even after the rotation angle sensor value initialization and calibration is performed twice.

      Note

      If replacing the steering column assembly, clear the rotation angle sensor calibration value, initialize the rotation angle sensor value, and calibrate the torque sensor zero point Click here.


    B

    PERFORM ROTATION ANGLE SENSOR VALUE INITIALIZATION AND ZERO POINT CALIBRATION AGAIN Click here

    C

    END

    A

    REPLACE STEERING COLUMN ASSEMBLY Click here