LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2014 >> QX80 AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter, Warning Lamp & Indicator >> DTC/Circuit Diagnosis >> Fuel Level Sensor Signal Circuit >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK FUEL LEVEL SENSOR CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect combination meter connector and fuel level sensor unit and fuel pump connector.
    3. Check continuity between combination meter harness connector terminal and fuel level sensor unit and fuel pump harness connector terminal.
      Terminals Continuity
      (+) (-)
      Combination meter Fuel level sensor unit and fuel pump
      Connector Terminal Connector Terminal
      M34 34 C5 2 Existed
    4. Check continuity between combination meter harness connector terminal and ground.
      Terminals Continuity
      (+) (-)
      Combination meter Ground
      Connector Terminal
      M34 34 Not existed

      Is the inspection result normal? 

      YES: GO TO 2.

      NO: Repair harness or connector.

  2. CHECK FUEL LEVEL SENSOR GROUND CIRCUIT 
    1. Check continuity between fuel level sensor unit and fuel pump harness connector terminal and combination meter harness connector terminal.
      Terminals Continuity
      (+) (-)
      Fuel level sensor unit and fuel pump Combination meter
      Connector Terminal Connector Terminal
      C5 5 M34 24 Existed
    2. Check continuity between fuel level sensor unit and fuel pump harness connector terminal and ground.
      Terminals Continuity
      (+) (-)
      Fuel level sensor unit and fuel pump Ground
      Connector Terminal
      C5 5 Not existed

      Is the inspection result normal? 

      YES: Replace combination meter. Refer to "REMOVAL AND INSTALLATION ".

      NO: Repair the harnesses or connectors.

scientia non olet · About LEMON Manuals