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Home >> Mazda >> 2020 >> CX-30 Select, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (VIN L) >> Engine Coolant Temperature (ECT) Sensor Removal/Installation >> ECT sensor No. 1

ECT sensor No. 1

  1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
  2. Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT .)
  3. Lift up the vehicle.
  4. Remove the front under cover No. 2. (See FRONT UNDER COVER No. 2 REMOVAL/INSTALLATION .)
  5. Disconnect the ECT sensor connector.
  6. Remove the ECT sensor No. 1 using the SST.
    Fig 1: ECT Sensor No. 1 With Torque Specification
    G12184585Courtesy of MAZDA MOTORS CORP.
  7. Install in the reverse order of removal.
  8. Refill the engine coolant. (See ENGINE COOLANT REPLACEMENT .)