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Home >> Infiniti >> 2008 >> M45 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (VK45DE) - DTCS P0460 Through P1421 >> DTC P0462, P0463 Fuel Level Sensor Circuit >> Component Description
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Component Description

The fuel level sensor is mounted in the fuel level sensor unit.

The sensor detects a fuel level in the fuel tank and transmits a signal to the "unified meter and A/C amp.". The "unified meter and A/C amp." sends the fuel level sensor signal to the ECM through CAN communication line.

It consists of two parts, one is mechanical float and the other is variable resistor. Fuel level sensor output voltage changes depending on the movement of the fuel mechanical float.

Fig 1: Identifying Fuel Level Sensor Unit And Fuel Pump, Fuel Pressure Regulator And Fuel Tank Temperature Sensor
G05210272Courtesy of NISSAN MOTOR CO., U.S.A.