Previa Van RWD L4-148.8 2438cc 2.4L DOHC SC (2TZ-FZE) (1996)
Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection
ENGINE COOLANT TEMPERATURE SENSOR INSPECTION
1. Drain engine coolant.
2. Remove RH engine service hole cover.
(See step 1 in valve clearance inspection and adjustment in Engine Mechanical)
3. Remove engine coolant temperature sensor connector.
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Disconnect the engine coolant temperature sensor.
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Remove the engine coolant temperature sensor and gasket.
4. Inspect engine coolant temperature sensor.
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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 engine coolant temperature sensor.
5. Reinstall engine coolant temperature sensor.
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Install a new gasket to the engine coolant temperature sensor.
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Install the engine coolant temperature sensor.
Torque: 25 N.m (17.5 ft.lb.)
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Connect the engine coolant temperature sensor connector.
6. Reinstall RH engine service hole cover.
7. Refill with engine coolant.