MANUALS · FUEL [13] · страница 127 из 340 · Открыть оригинал PDF ↗

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Датчик температуры воздуха на впуске

OPERATION

The intake air temperature sensor converts the
engine intake air temperature into a voltage and
inputs it to the engine control unit, which then
corrects the fuel injection rate, etcbased on the
input signal:

Thepowerinthe enginecontrolunit
supplied via a resistor in the unit to the intake air
temperature sensorVia the sensor which is
kind of resistor, it is earthed in the engine control
unitThe intake air temperature sensor resistor
has suchcharacteristic that itsresistance de-
creases as the intake air temperature rises

The intake air temperature sensor terminal voltage
increases or decreases as the sensor resistance
increases or decreasesTherefore, the intake air
temperaturesensorterminalvoltagechanges
with the intake air temperature, decreasing as the
temperature rises.

TROUBLESHOOTING HINTS

The intake air temperature sensor senses the intake
airtemperature intheair cleanerSOthat itmay
indicatetemperature differentfromoutside tem-
perature depending on engine operating state.

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