Frontier 2WD L4-2.5L (QR25DE) (2005)
Oil Pressure Gauge: Description and Operation
ENGINE OIL PRESSURE GAUGE
The engine oil pressure gauge indicates the engine oil pressure.
With the ignition switch in the ON or START position, power is supplied
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through combination meter terminal 8
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to oil pressure sensor terminal 1.
Ground is supplied
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to oil pressure sensor terminal 3
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from combination meter terminal 10.
The combination meter receives the oil pressure signal from oil pressure sensor
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through oil pressure sensor terminal 2
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to combination meter terminal 19.