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Home >> Lexus >> 1996 >> ES 300 V6-3.0L (1MZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Coolant Temperature Sensor/Switch (For Computer) >> Testing and Inspection
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Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection





1. DRAIN ENGINE COOLANT
2. REMOVE ECT SENSOR
- Disconnect the ECT sensor connector.
- Using a 19 mm deep socket wrench, remove the ECT sensor and gasket.





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
- Install a new gasket to the ECT sensor.
- Using a 1 9 mm deep socket, install the ECT sensor.

Torque: 20 N.m (200 kgf.cm, 14 ft.lb.)

- Connect the ECT sensor connector.
5. REFILL WITH ENGINE COOLANT