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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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Other materials:

Basic inspection
Diagnosis and repair work flow Work flow OVERALL SEQUENCE DETAILED FLOW 1.GET INFORMATION FOR SYMPTOM Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurs). Check operation condition of the function th ...

Precaution for work
When removing or disassembling each component, be careful not to damage or deform it. If a component may be subject to interference, be sure to protect it with a shop cloth. When removing (disengaging) components with a screwdriver or similar tool, be sure to wrap the component with a ...

Additional service when replacing ecm
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