9-3 Arc/Aero (9440) L4-2.0L Turbo (2.0 T) (2004)
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Coolant Temperature Sensor/Switch (For Computer): Description and Operation
Coolant Temperature Sensor (202), T8
Main task
Informs the control module of current coolant temperature.
The value from the temperature sensor is used for:
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controlling the radiator fans
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determining injection duration during preinjection
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determining injection duration during starter motor cranking
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after-start enrichment
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determining when closed loop should be engaged
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correcting idling speed.
Type
The temperature sensor is of NTC type.
Connection
Pin No. 1-2
