MX-5 Miata LS L4-1.8L DOHC (2001)
Engine - Coolant Temperature Sensor/Switch: Testing and Inspection
ENGINE COOLANT TEMPERATURE (ECT) SENSOR
Inspection of Resistance
NOTE: Perform the following test only when directed.
1. Drain the engine coolant.
2. Disconnect the ECT sensor connector.
3. Remove the ECT sensor.
4. Place the sensor in water with a thermometer, and heat the water gradually.
5. Measure the resistance between the ECT sensor terminals using an ohmmeter.
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If not as specified, replace the ECT sensor.