toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Radiator Cooling Fan Temperature Sensor / Switch > < Diagram Information and Instructions|Page 772
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Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection

1. DRAIN ENGINE COOLANT
2. REMOVE ECT SENSOR

3. INSPECT ECT SENSOR

Using an ohmmeter, measure the resistance between the terminals.
Resistance: Refer to the graph
If the resistance is not as specified, replace the ECT sensor.

4. REINSTALL ECT SENSOR
5. REFILL WITH ENGINE COOLANT

Radiator Cooling Fan Temperature Sensor / Switch > < Diagram Information and Instructions|Page 772