Nissan Versa (N17): Engine protection control at low engine oil pressure

Nissan Versa 2nd generation (N17) Service Manual / Engine / Engine control system (EC) / Engine protection control at low engine oil pressure

Engine protection control at low engine oil pressure : system diagram

Engine protection control at low engine oil pressure : system diagram

Engine protection control at low engine oil pressure : system description

INPUT/OUTPUT SIGNAL CHART

Sensor Input signal to ECM ECM function Actuator
Engine oil pressure sensor Engine pressure Engine protection control

- Oil pressure warning lamp signal

 Combination meter

- Oil pressure warning lamp
Crankshaft position sensor (POS) Engine speed

SYSTEM DESCRIPTION

  • The engine protection control at low engine oil pressure warns the driver of a decrease in engine oil pressure by the oil pressure warning lamp a before the engine becomes damaged.
  • When detecting a decrease in engine oil pressure at an engine speed less than 1,000 rpm, ECM transmits an oil pressure warning lamp signal to the combination meter. The combination meter turns ON the oil pressure warning lamp, according to the signal.
Decrease in engine oil pressure Engine speed Combination meter
Oil pressure warning lamp
Detection Less than 1,000 rpm ON*
1,000 rpm or more ON

Exhaust valve timing control

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Fuel filler cap warning system

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Other materials:

Installing front license plate
Use the following steps to mount the front license plate: Before mounting the license plate, confirm that the following parts are enclosed in the plastic bag: License plate bracket License plate bracket screws x 2 Screw grommets x 2 1. Hold the license plate bracket 1 and make a ...

P074A Unable to engage 2GR
Description This malfunction is detected when the A/T does not shift into 2GR position as instructed by TCM. This is not only caused by electrical malfunction (circuits open or shorted) but by mechanical malfunction such as control valve sticking, improper solenoid valve operation, etc. DTC ...

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