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Home >> Lexus >> 2020 >> LS 500h AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Active Noise Control System - Diagnostic Codes & Circuit Tests >> Active Noise Control System >> DTC P0335-31: Crankshaft Position Sensor "A" No Signal [10/2022 - ] >> Procedure

DTC P0335-31: Crankshaft Position Sensor "A" No Signal [10/2022 - ]: Procedure

  1. CLEAR DTC 
    1. Clear the DTCs.

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

      Body Electrical > Active Noise Control > Clear DTCs 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  2

  2. CHECK FOR DTC 
    1. Check for DTCs.

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

      Body Electrical > Active Noise Control > Trouble Codes 

      OK

      DTC P0335-31 is not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - 10/2023]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2023 - ] 

    Result: 

    NG 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT EQUALIZER ASSEMBLY - ECM) 
    1. Disconnect the A94 inverter with converter assembly connector.
    2. Disconnect the L7 stereo component equalizer assembly connector.
    3. Disconnect the A56 ECM connector.
    4. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L7-3 (NEI) - A56-30 (NEO) Always Below 1 Ω
      L7-3 (NEI) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE STEREO COMPONENT EQUALIZER ASSEMBLY. Refer to  REMOVAL [10/2017 - 10/2023]  , or refer to  REMOVAL [10/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR