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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Electrical >> Gauges >> Driver Information System >> Combination Meters >> Inspection/Fuel Level Sensor Unit >> Low-Fuel Warning Lamp >> 3. Check Fuel Level Sensor Open Circuit
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3. Check Fuel Level Sensor Open Circuit

  1. Disconnect combination meter connector.
  2. Check the following:
    • Continuity between combination meter harness connector M42 terminal 30 (R/L) and fuel level sensor unit harness connector B239 terminal 5 (R/L)

      Continuity should exist. 

      Fig 1: Checking Fuel Level Sensor Circuit For Open Or Short
      G00394053Courtesy of NISSAN MOTOR CO., U.S.A.
    • Continuity between combination meter harness connector M42 terminal 29 (B/Y) and fuel level sensor unit harness connector B239 terminal 6 (B).

    Continuity should exist. 

OK or NG

  1. OK: GO TO 4  .
  2. NG: Repair harness or connector.