Xterra 2WD V6-3.3L SC (VG33ER) (2003)
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Oxygen Sensor: Description and Operation
HO2S1 HEATER
Description
SYSTEM DESCRIPTION
The ECM performs ON/OFF control of the heated oxygen sensor 1 heaters corresponding to the engine speed.
Operation
HO2S2 HEATER
Description
SYSTEM DESCRIPTION
The ECM performs ON/OFF control of the heated oxygen sensor 2 heaters corresponding to the engine speed.
Operation
HO2S1
