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: