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Home >> Mazda >> 2004 >> RX-8 1.3 3 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Coolant Temperature (ECT) Sensor Inspection >> Resistance Inspection >> Notes
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Resistance Inspection: Notes

  1. Disconnect the ECT sensor connector.
  2. Remove the ECT sensor.
  3. Place the detection part of the ECT sensor in water and verify that the resistance between ECT sensor terminals A and B is as indicated in the table while gradually increasing water temperature.
    ECT SENSOR RESISTANCE SPECIFICATION

    Water temperature (°C {°F}) Resistance (ohm)
    20 {68} 2,205-2,695
    80 {176} 287-349
    91 {196} 227-240