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Home >> Nissan-Datsun >> 2004 >> Maxima SE, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC >> DTC P0181: FTT Sensor >> Diagnostic Procedure >> 2. Check Fuel Tank Temperature Sensor Power Supply Circuit

2. Check Fuel Tank Temperature Sensor Power Supply Circuit

  1. Turn ignition switch OFF.
  2. Disconnect "fuel level sensor unit and fuel pump" harness connector.
  3. Turn ignition switch ON.
    Fig 1: Disconnect "Fuel Level Sensor Unit And Fuel Pump" Harness Connector
    G00877219Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Check voltage between "fuel level sensor unit and fuel pump" terminal 4 and ground with CONSULT-II or tester.
    1. Voltage: Approximately 5V 

OK or NG 

  1. OK: GO TO 4 .
  2. NG: GO TO 3.
Fig 2: Check Voltage
G00877220Courtesy of NISSAN MOTOR CO., U.S.A.