POWER STEERING SYSTEM, Diagnostic DTC:C1515

DTC Code DTC Name
C1515 Torque Sensor Zero Point Adjustment Undone

DESCRIPTION

This DTC does not indicate a malfunction. The power steering ECU assembly stores this DTC when it determines that torque sensor zero point calibration has not been performed.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Warning Indicate

Return-to-normal Condition

Note

C1515

Torque Sensor Zero Point Adjustment Undone

This DTC is stored when torque sensor zero point calibration has not been performed.

-

EPS warning light: Comes on

Zero point calibration occurs

There is no malfunction if this DTC is not output again after performing zero point calibration.

CAUTION / NOTICE / HINT

Note:

  • If the steering column assembly has been replaced, perform torque sensor zero point calibration.

    Click here

  • If the power steering ECU assembly has been replaced, perform assist map writing and torque sensor zero point calibration.

    Click here

PROCEDURE

  1. CHECK FOR DTC

    1. Calibrate the torque sensor zero point (step 1).

      Click here

      Chassis > EMPS > Utility

      Tester Display

      Torque Sensor Adjustment

    2. Check for DTCs (step 2).

      Click here

      Chassis > EMPS > Trouble Codes

      Tip:

      If DTCs are output, perform steps 1 and 2 two more times.

    Result

    Result

    Proceed to

    DTCs are still output after performing steering zero point calibration 3 times.

    A

    Normal system code is output.

    B
    B

    END

    A

  2. REPLACE POWER STEERING ECU ASSEMBLY

    1. Replace the power steering ECU assembly.

      Click here

    Result

    Proceed to

    NEXT
    NEXT

  3. CHECK FOR DTC

    1. Calibrate the torque sensor zero point (step 1).

      Click here

      Chassis > EMPS > Utility

      Tester Display

      Torque Sensor Adjustment

    2. Check for DTCs (step 2).

      Click here

      Chassis > EMPS > Trouble Codes

      Tip:

      If DTCs are output, perform steps 1 and 2 two more times.

    Result

    Result

    Proceed to

    DTCs are still output after performing steering zero point calibration 3 times.

    A

    Normal system code is output.

    B
    A

    REPLACE STEERING COLUMN ASSEMBLY

    Click here

    B

    END