4 Runner 4WD L4-2.7L (3RZ-FE) (1996)
/Page-571001.png)
Coolant Temperature Sensor/Switch (For Computer): Description and Operation
CIRCUIT DESCRIPTION
A thermistor built into the engine coolant temp. sensor changes the resistance value according to the engine coolant temp.
The structure of the sensor and connection to the ECM is the same as in the intake air temp. circuit.