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Home >> Nissan-Datsun >> 2021 >> Maxima SV >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (1 Of 2) >> System Description >> Component Location >> Air Fuel Ratio (A/F) Sensor 1 >> A/F Sensor 1 Heater

A/F Sensor 1 Heater

A/F sensor 1 heater is integrated in the sensor.

The ECM performs ON/OFF duty control of the A/F sensor 1 heater corresponding to the engine operating condition to keep the temperature of A/F sensor 1 element within the specified range.

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