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Coolant Temperature Sensor/Switch (For Computer)|Testing and Inspection > < Coolant Temperature Sensor/Switch (For Computer)|Specifications|Page 1532
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Coolant Temperature Sensor/Switch (For Computer): Description and Operation

Water Temperature Sensor

PURPOSE

The coolant temperature sensor monitors coolant temperature with a thermistor whose resistance varies according to engine temperature.

LOCATION

Located on the top, rear of the engine.

CONSTRUCTION

OPERATION

This signal controls open/closed loop operation of the fuel injection system, overdrive on electronic transaxles, electronic spark advance (ESA),
idle speed control system and EGR system. The THW inputs the ECM through terminal THW.

Coolant Temperature Sensor/Switch (For Computer)|Testing and Inspection > < Coolant Temperature Sensor/Switch (For Computer)|Specifications|Page 1532