toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Engine RPM Sensor (NE signal) <--> [Crankshaft Position Sensor] > < Diagram Information and Instructions|Page 1787
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Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection

ECT SENSOR INSPECTION 

1. DRAIN ENGINE COOLANT
2. REMOVE ECT SENSOR

3. INSPECT ECT SENSOR RESISTANCE 

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Using an ohmmeter, measure the resistance between the terminals.

Resistance: Refer to the graph 

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

4. REINSTALL ECT SENSOR

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Install a new gasket to the ECT sensor.

5. FILL RADIATOR WITH ENGINE COOLANT

Engine RPM Sensor (NE signal) <--> [Crankshaft Position Sensor] > < Diagram Information and Instructions|Page 1787