Engine Coolant Temperature (ECT) Sensor: Inspection
- DRAIN ENGINE COOLANT
- REMOVE NO.2 CYLINDER HEAD COVER
- REMOVE AIR CLEANER ASSEMBLY (See REMOVAL )
- REMOVE ECT SENSOR
- INSPECT ECT SENSOR RESISTANCE
Using an ohmmeter, measure the resistance between terminals 1 (E2) and 2 (THW).
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Resistance:
Refer to the graph
If the resistance is not as specified, replace the ECT sensor.
- REINSTALL ECT SENSOR
Install a new gasket to the ECT sensor.
Torque: 20 N.m (200 kgf.cm, 14 ft.lbf)
- REINSTALL NO.2 CYLINDER HEAD COVER
- REINSTALL AIR CLEANER ASSEMBLY
- FILL RADIATOR WITH ENGINE COOLANT