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Coolant Temperature Sensor/Switch (For Computer)|Specifications|Page 6574 > < Coolant Temperature Sensor/Switch (For Computer)|Specifications|Page 6572
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Coolant Temperature Sensor/Switch (For Computer): Description and Operation

Coolant Temperature Sensor (202), ME9

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

Coolant Temperature Sensor/Switch (For Computer)|Specifications|Page 6574 > < Coolant Temperature Sensor/Switch (For Computer)|Specifications|Page 6572