Inspection [10/2014 - ]: Procedure

INSPECT ENGINE COOLANT TEMPERATURE SENSOR

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Component without harness connected (Engine Coolant Temperature Sensor)	*b	Resistance
*c	Temperature	*d	Acceptable Range

Partially immerse the sensor in water and warm up the water.

Measure the resistance according to the value(s) in the table below.

Standard Resistance

Tester Connection	Condition	Specified Condition
1 - 2	20°C (68°F)	2.32 to 2.59 kΩ
1 - 2	80°C (176°F)	0.310 to 0.326 kΩ

NOTE:

When checking the engine coolant temperature sensor in water, keep the terminals dry. After the check, wipe the engine coolant temperature sensor dry.

If the result is not as specified, replace the engine coolant temperature sensor.