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Home >> Lexus >> 2024 >> LC 500 2D Convertible >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (Convertible) (6 Of 7) >> SFI System >> DTC P2067: Fuel Level Sensor "B" Circuit Low; DTC P2068: Fuel Level Sensor "B" Circuit High [07/2020 - ] >> Procedure
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DTC P2067: Fuel Level Sensor "B" Circuit Low; DTC P2068: Fuel Level Sensor "B" Circuit High [07/2020 - ]: Procedure

  1. CHECK HARNESS AND CONNECTOR (NO. 2 FUEL SENDER GAUGE ASSEMBLY - COMBINATION METER ASSEMBLY) 
    1. Disconnect the No. 2 fuel sender gauge assembly connector.
    2. Disconnect the combination meter assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      X32-1 (FV2) - P25-18 (FV) Always Below 1 Ω
      X32-3 (FR2) - P25-27 (FR) Always Below 1 Ω
      X32-2 (FE2) - P25-28 (FE) Always Below 1 Ω
      X32-1 (FV) or P25-18 (FV) - Body ground and other terminals Always 10 kΩ or higher
      X32-3 (FR) or P25-27 (FR) - Body ground and other terminals Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  2

  2. INSPECT NO. 2 FUEL SENDER GAUGE ASSEMBLY 
    1. Remove the No. 2 fuel sender gauge assembly.

      Refer to REMOVAL [07/2020 - 05/2023] , or refer to REMOVAL [05/2023 - ]

    2. Inspect the No. 2 fuel sender gauge assembly.

      Refer to INSPECTION [07/2020 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [07/2020 - ] 

    Result: 

    NG 

    REPLACE FUEL SENDER GAGE ASSEMBLY NO. 2. Refer to  REMOVAL [07/2020 - 05/2023]  , or refer to  REMOVAL [05/2023 - ]