MANUALS · FUEL [13] · страница 36 из 340 · Открыть оригинал PDF ↗

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OPERATION

The intake air temperature sensor functions to
convert the temperature of the air (intaken to the
engine) to voltage, and to input that voltage (as
signals) to the enginecontrol unit;The engine
control unit, based upon those signals, thencor-
rects the amount fo fuel injection, etc
The SV power supply within the engine control unit
is supplied, by way:of the resistance within the
unit, to the intake air temperature sensor, it passes
through the intake air temperature sensor, which is

a type of resistor, &nd is earthed at the engine
control unit: Note that the resistance of the in-
takeair temperature sensordecreaseswhen
the temperature of the intake air increases_

The intake air temperature sensor terminal voltage
becomes higher when the resistance of the intake
air temperature sensor increases, and becomes
lowerwhenthe resistancedecreases. Conse-
quently, the intake air temperaturesensor terminal
voltage varies in accordance with the temperature
of the intake air, becoming lower when the tem-:
perature of the intake air increases_

TROUBLESHOOTING HINTS

Because the intake air temperature of the intake
air , intheair cleaner,it indicates
temperature
different than the temperature of the outside air
whentheengine is running

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