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Home >> Mazda >> 2013 >> 3 Mazdaspeed, 2.3L Eng VIN 4 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (MZR 2.3 DISI Turbo) >> Engine Coolant Temperature (ECT) Sensor Removal/Installation >> ECT Sensor No.1
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ECT Sensor No.1

  1. Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION [MZR 2.3 DISI TURBO] .)
  2. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 2.3 DISI TURBO] .)
  3. Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT .)
  4. Remove the battery and battery tray. (See BATTERY REMOVAL/INSTALLATION [MZR 2.3 DISI TURBO] .)
  5. Remove the air cleaner. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
  6. Remove the air duct. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
  7. Disconnect the ECT sensor No.1 connector.
  8. Remove the ECT sensor No.1.
    Fig 1: Locating ECT Sensor No.1 With Torque Specifications
    G08155451
  9. Install in the reverse order of removal.
  10. Refill the engine coolant. (See ENGINE COOLANT REPLACEMENT .)