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Home >> Saab >> 2003 >> 9-3 (9440) L4-2.0L Turbo (2.0t) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Coolant Temperature Sensor/Switch (For Computer) >> Description and Operation
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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:
- controlling the radiator fans
- determining injection duration during preinjection
- determining injection duration during starter motor cranking
- after-start enrichment
- determining when closed loop should be engaged
- correcting idling speed.

Type
The temperature sensor is of NTC type.







Connection


Pin No. 1-2:










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