toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Starter Signal <--> [Cranking Signal] > < Diagram Information and Instructions|Page 1917
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Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection

ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION

1. DRAIN ENGINE COOLANT.

Engine Coolant Temperature Sensor Location

2. REMOVE ECT SENSOR.
3. INSPECT ECT SENSOR.

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Using an ohmmeter, measure the resistance between the terminals.

 ECT Sensor Resistance

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If the resistance is not as specified, replace the ECT sensor.

4. REINSTALL ECT SENSOR.
5. REFILL WITH ENGINE COOLANT.

Starter Signal <--> [Cranking Signal] > < Diagram Information and Instructions|Page 1917