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Nissan Sentra Service Manual: Engine protection control at low engine oil pressure

Nissan Sentra Service Manual / Engine / Engine control system / System / Engine protection control at low engine oil pressure

ENGINE PROTECTION CONTROL AT LOW ENGINE OIL PRESSURE : System Description

SYSTEM DIAGRAM

INPUT/OUTPUT SIGNAL CHART


INPUT/OUTPUT SIGNAL CHART

Sensor

Input signal to ECM

ECM function

Actuator

Engine oil pressure sensor Engine oil pressure Engine protection control
  • Oil pressure warning lamp signal
  • Fuel cut control
Combination meter
  • Oil pressure warning lamp
Crankshaft position sensor (POS) Engine speed
Engine oil temperature sensor Engine oil temperature

SYSTEM DESCRIPTION

*: When detecting a normal engine oil pressure, ECM turns OFF the oil


*: When detecting a normal engine oil pressure, ECM turns OFF the oil pressure warning lamp.

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