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Home >> Infiniti >> 2004 >> I35 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System >> DTC P0181: FTT Sensor >> Diagnostic Procedure

Diagnostic Procedure

  1. CHECK FUEL TANK TEMPERATURE SENSOR 
    1. Remove fuel level sensor unit.
    2. Check resistance between fuel level sensor unit and fuel pump terminals 4 and 5 by heating with hot water or heat gun as shown in Fig 1 .
      Fig 1: Checking Fuel Tank Temperature Sensor
      G00786728Courtesy of NISSAN MOTOR CO., U.S.A.

      OK or NG 

    1. OK: GO TO 2.
    2. NG: Replace fuel level sensor unit.
  2. CHECK INTERMITTENT INCIDENT 
    1. : INSPECTION END