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Home >> Infiniti >> 2017 >> QX30 Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter, Warning Lamp & Indicator (DTCS) >> DTC/Circuit Diagnosis >> DTC P2065: Fuel Level Sensor >> Diagnosis Procedure

Diagnosis Procedure

P2065 - 1A, P2065 - 1B

  1. CHECK POWER SUPPLY VOLTAGE OF BCM

    Check power supply and ground circuit of BCM. Refer to DIAGNOSIS PROCEDURE .

    Is the inspection result normal?

    YES 

    GO TO STEP 2  .

    NO 

    Repair or replace the malfunctioning parts.

  2. CHECK FUEL GAUGE

    1. Turn the ignition switch OFF.
    2. Fully fill the fuel tank.
    3. Disconnect the fuel level sensor unit and fuel pump harness connector.
    4. Check the resistance between fuel level sensor unit and fuel pump.
      Actual value : 48 Ω

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Replace fuel level sensor unit and fuel pump or fuel tank assembly. Refer to REMOVAL AND INSTALLATION .

  3. CHECK FUEL LEVEL SENSOR UNIT AND FUEL PUMP CIRCUIT

    1. Disconnect the BCM harness connector.
    2. Check the continuity between fuel level sensor unit and fuel pump harness connector and BCM harness connector.
      2WD MODELS

      Fuel level sensor unit and fuel pump BCM Continuity
      Connector Terminal Connector Terminal
      M370 5 M28 91 Existed
      6 92
      AWD MODELS

      Fuel level sensor unit and fuel pump BCM Continuity
      Connector Terminal Connector Terminal
      M370 5 M28 91 Existed
      6 93
      7 92
    3. Check the continuity between fuel level sensor unit and fuel pump harness connector and ground.
      2WD MODELS

      Fuel level sensor unit and fuel pump - Continuity
      Connector Terminal
      M370 6 Ground Not existed
      AWD MODELS

      Fuel level sensor unit and fuel pump - Continuity
      Connector Terminal
      M370 6 Ground Not existed
      7

    Is the inspection result normal?

    YES 

    Replace fuel level sensor unit and fuel pump or fuel tank assembly. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair harness or connector.