LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2004 >> Sentra SE-R Spec V >> Repair and Diagnosis >> External Pages >> Different car >> Section 423 (Engine Control System - DTC) >> DTC P0181: FTT Sensor >> Diagnostic Procedure >> 2. Check Fuel Tank Temperature Sensor Power Supply Circuit
April 5, 2026: LEMON Manuals is launched! Read the announcement.

2. Check Fuel Tank Temperature Sensor Power Supply Circuit

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  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.