toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Diagram Information and Instructions|Page 2248 > < Diagram Information and Instructions|Page 2246
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Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection

INSPECTION 

1. Drain engine coolant.
2. Remove engine coolant temperature sensor.

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Disconnect the engine coolant temperature sensor connector.

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Using a 19 mm deep socket wrench, remove the engine coolant temperature sensor and gasket.

3. Using an ohmmeter, measure the resistance between the terminals.

Resistance:  Refer to the chart graph above. 

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If the resistance is not as specified, replace the engine coolant temperature sensor.

4. Reinstall engine coolant temperature sensor.

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Using a 19 mm deep socket wrench, install the engine coolant temperature sensor and gasket.

Diagram Information and Instructions|Page 2248 > < Diagram Information and Instructions|Page 2246