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 stores 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 and power steering motor assembly has been replaced, perform the rotation angle sensor 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 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
      DTC C1516 or C1526 is still output after performing rotation angle sensor value initialization and torque sensor zero point calibration 3 times. A
      DTC C1516 or C1526 is not output. B

      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, confirm the procedure again, and perform the calibration and initialization 3 times.

      Tech Tips

      Replace the power steering ECU if DTC C1516 or C1526 is still output after performing rotation angle sensor value initialization and torque sensor zero point calibration 3 times.


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

      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, confirm the procedure again, and perform the calibration and initialization 3 times.

      Tech Tips


      • Replace the steering column assembly if DTC C1516 is still output after performing rotation angle sensor value initialization and torque sensor zero point calibration 3 times.

      • Replace the power steering motor assembly if DTC C1526 is still output after performing rotation angle sensor value initialization and torque sensor zero point calibration 3 times.


    B
    C
    A