T100 SR5 Extra Cab Pickup 2WD V6-3.4L (5VZ-FE) (1997)
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Coolant Temperature Sensor/Switch (For Computer): Description and Operation
CIRCUIT DESCRIPTION
A thermistor built into the engine coolant temperature sensor changes the resistance value according to the engine coolant temperature.
The structure of the sensor and connection to the ECM is the same as in the DTC P0110 (intake air temp. circuit malfunction).
If the ECM detects the DTC P0115, it operates the fail safe function in which the engine coolant temp. is assumed to be 80°C (176°F).
