Sentra L4-2.5L (QR25DE) (2003)
Fuel Gauge: Description and Operation
FUEL GAUGE
The fuel gauge indicates the approximate fuel level in the fuel tank.
The fuel gauge is regulated by a variable ground signal supplied:
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to combination meter terminal 30 (without tachometer) or 44 (with tachometer) for the fuel gauge
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from terminal 2 of the fuel level sensor unit and fuel pump
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through terminal 5 of the fuel level sensor unit and fuel pump, and
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through body grounds B13 and B19.