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Home >> Nissan-Datsun >> 2021 >> Versa S, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (1 Of 2) >> System Description >> Component Parts >> Engine Control System >> Heated Oxygen Sensor 2 Heater >> System Description
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

System Description

Sensor

Input signal to ECM

ECM function

Actuator

Camshaft position sensor (PHASE)

Crankshaft position sensor (POS)

Engine speed

Heated oxygen sensor 2 heater control

Heated oxygen sensor 2 heater

Engine coolant temperature sensor

Engine coolant temperature

Mass air flow sensor

Amount of intake air

The ECM performs ON/OFF control of the heated oxygen sensor 2 heater corresponding to the engine speed, amount of intake air and engine coolant temperature.

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