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Home >> Lexus >> 2017 >> NX 300h >> Repair and Diagnosis (Single Page) >> Steering >> Power Steering >> Power Steering System - Diagnostic Codes & Circuit Tests >> Power Steering System >> DTC C1515/15: Torque Sensor Zero Point Adjustment is not Initialized; DTC C1516/16: Torque Sensor Zero Point Adjustment Incomplete [10/2014 - 09/2017] >> Procedure
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DTC C1515/15: Torque Sensor Zero Point Adjustment is not Initialized; DTC C1516/16: Torque Sensor Zero Point Adjustment Incomplete [10/2014 - 09/2017]: Procedure

  1. CHECK FOR DTC 
    1. Calibrate the torque sensor zero point (step 1).

      Refer to CALIBRATION [10/2014 - 09/2017]

      Chassis > EMPS > Utility 

      Tester Display
      Torque Sensor Adjustment
    2. Check for DTCs (step 2).

      Refer to DTC CHECK / CLEAR [10/2014 - 09/2017]

      Chassis > EMPS > Trouble Codes 

      HINT: 

      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

    Result: 

    END 

    Result: 

    See step  2

  2. REPLACE POWER STEERING ECU ASSEMBLY 
    1. Replace the power steering ECU assembly.

      Refer to REMOVAL [10/2014 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  3

  3. CHECK FOR DTC 
    1. Calibrate the torque sensor zero point (step 1).

      Refer to CALIBRATION [10/2014 - 09/2017]

      Chassis > EMPS > Utility 

      Tester Display
      Torque Sensor Adjustment
    2. Check for DTCs (step 2).

      Refer to DTC CHECK / CLEAR [10/2014 - 09/2017]

      Chassis > EMPS > Trouble Codes 

      HINT: 

      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

    Result: 

    REPLACE ELECTRIC POWER STEERING COLUMN SUB-ASSEMBLY. Refer to  REMOVAL [10/2014 - ] 

    Result: 

    END