- Honda Car Owner's Manual

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Unlike a conventional sensor, the voltage can be positive or negative, and it reads the opposite
direction.Thatis,positivevoltageindicatesaleanmixture,andnegativevoltageindicatesarichmixture.
Thenormaloperatingrangeisabout1.5volts.
TheLAFsensorcanbeidentifiedbyitsfivewireconfiguration:
Heaterpositive
Heaterground
Sensorelementpositive
Controlelementpositive
Commongroundforsensorandcontrolelements.