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Home >> Mazda >> 2020 >> CX-9 Touring, FWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Coolant Temperature (ECT) Sensor Removal/Installation >> ECT Sensor No. 2 (Until 2017MY And Except MEXICO)

ECT Sensor No. 2 (Until 2017MY And Except MEXICO)

  1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  2. Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT .)
  3. Remove the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION .)
  4. Disconnect the ECT sensor No. 2 connector.
  5. Remove the ECT sensor No. 2 using the SST.
    Fig 1: Engine Coolant Temperature Sensor No. 2 With Torque Specification
    G11436087Courtesy of MAZDA MOTORS CORP.
  6. Install in the reverse order of removal.
  7. Refill the engine coolant. (See ENGINE COOLANT REPLACEMENT .)