LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2016 >> Q50 Base, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 47 (Meter, Warning Lamp & Indicator -Diagnostic Trouble Codes (DTC U1000 -B2268) Q50_Hybrid) >> DTC/Circuit Diagnosis >> Fuel Level Sensor Signal Circuit >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different variant/trim than selected.

  1. CHECK FUEL LEVEL SENSOR CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect combination meter connector and fuel level sensor unit (sub) connector.
    3. Check continuity between combination meter harness connector and fuel level sensor unit (sub) harness connector.
      Combination meter Fuel level sensor unit (sub) Continuity
      Connector Terminal Connector Terminal
      M58 51 B97 2 Existed
    4. Check continuity between combination meter harness connector and ground.
      Combination meter Ground Continuity
      Connector Terminal
      M58 51 Not existed

    Is the inspection result normal?

    YES 

    GO TO STEP 2. 

    NO 

    Repair harness or connector.

  2. CHECK FUEL LEVEL SENSOR UNIT (MAIN-SUB) CIRCUIT

    1. Disconnect fuel level sensor unit and fuel pump (main) connector.
    2. Check for continuity between the fuel level sensor unit (sub) harness connector and the fuel level sensor unit (main) harness connector.
      Fuel level sensor unit (sub) Fuel level sensor unit and fuel pump (main) Continuity
      Connector Terminal Connector Terminal
      B97 3 B102 2 Existed
    3. Check for continuity between the fuel level sensor unit (sub) harness connector and the ground.
      Fuel level sensor unit (sub) Ground Continuity
      Connector Terminal
      B97 3 Not existed

    Is the inspection result normal?

    YES 

    GO TO STEP 3. 

    NO 

    Repair harness or connector.

  3. CHECK FUEL LEVEL SENSOR GROUND CIRCUIT

    1. Check continuity between fuel level sensor unit and fuel pump (main) harness connector and combination meter harness connector.
      Fuel level sensor unit and fuel pump (main) Combination meter Continuity
      Connector Terminal Connector Terminal
      B102 3 M58 44 Existed
    2. Check for continuity between the fuel level sensor unit and fuel pump (main) harness connector and the ground.
      Fuel level sensor unit and fuel pump (main) Ground Continuity
      Connector Terminal
      B102 3 Not existed

    Is the inspection result normal?

    YES 

    Replace combination meter. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair harness or connector.

scientia non olet · About LEMON Manuals