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Home >> Mazda >> 2005 >> 6 i, 4D Hatchback, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (L3) >> Engine Coolant Temperature (ECT) Sensor Inspection >> ECT Sensor Resistance Inspection >> Notes

ECT Sensor Resistance Inspection: Notes

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  1. Drain the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS .)
  2. Remove the ECT sensor (located above the starter).
  3. Place the ECT sensor in water with a thermometer, and heat the water gradually.
  4. Measure the resistance between the ECT sensor terminals A and B using an ohmmeter.
    • If not as specified, replace the ECT sensor.
    • If the ECT sensor is normal, but PID value is out of specification, perform the "Circuit Open/Short Inspection".