MX-5 Miata Mazdaspeed L4-1.8L DOHC Turbo (2004)
Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection
ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION
Inspection of Resistance
NOTE: Perform the following test only when directed
1. Drain the engine coolant (See COOLING SYSTEM SERVICE WARNINGS.) (See ENGINE COOLANT REPLACEMENT)
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.