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Home >> Lexus >> 2017 >> NX 300h >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Lane Departure Alert System (W/ Steering Control) - Diagnostic Codes & Circuit Tests >> LANE DEPARTURE ALERT SYSTEM (w/ Steering Control) >> DTC C1A47: Steering Angle Sensor [10/2014 - 09/2017] >> Procedure
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DTC C1A47: Steering Angle Sensor [10/2014 - 09/2017]: Procedure

  1. CHECK FOR DTCs (POWER STEERING SYSTEM) 
    1. Clear the DTCs.

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

      Chassis > EMPS > Clear DTCs 

    2. Make sure that the DTC detection conditions are met.

      HINT: 

      If the detection conditions are not met, the system cannot detect the malfunction.

    3. Check the DTCs.

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

      Chassis > EMPS > Trouble Codes 

      Result

      Result Proceed to
      Power steering system DTCs are not output A
      Power steering system DTCs are output B

    Result: 

    GO TO POWER STEERING SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - 09/2017] 

    Result: 

    See step  2

  2. REPLACE STEERING SENSOR 
    1. Replace the steering sensor with a new or normally functioning one.

      Refer to REMOVAL [10/2014 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  3

  3. CHECK FOR DTCs 
    1. Clear the DTCs.

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

      Chassis > EMPS > Clear DTCs 

    2. Make sure that the DTC detection conditions are met.

      HINT: 

      If the detection conditions are not met, the system cannot detect the malfunction.

    3. Check the DTCs.

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

      Chassis > EMPS > Trouble Codes 

      Result

      Result Proceed to
      DTC C1A47 is not output A
      DTC C1A47 is output B

    Result: 

    END (STEERING SENSOR WAS DEFECTIVE) 

    Result: 

    REPLACE LANE DEPARTURE WARNING CAMERA. Refer to  REMOVAL [10/2014 - 09/2017]