Component Inspection
- CHECK ENGINE COOLANT TEMPERATURE SENSOR
- Turn ignition switch OFF.
- Disconnect engine coolant temperature sensor harness connector.
- Remove engine coolant temperature sensor. Refer to Exploded View .
- Check the resistance between engine coolant temperature sensor terminals by heating with hot water as shown in the figure, below.
ECT sensor
Condition
Resistance
Terminal
1
2
Temperature [ deg. C (deg. F)]
20 (68)
2.37 - 2.63 kOhms
50 (122)
0.68 - 1.00 kOhms
90 (194)
0.236 - 0.260 kOhms
Is the inspection result normal?
YES
INSPECTION END
NO
Replace engine coolant temperature sensor. Refer to Exploded View .