2013 Mazda CX-5 Touring, FWDFACTORY OEM SERVICE PROCEDURE

ECT Sensor No.1

  1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0] ).
  2. Remove the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION ).
  3. Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT ).
  4. Pull out the evaporative hose No.1 from the catch tank and set it aside.
    Fig 1: Removing Evaporative Hose No.1 From Catch Tank
    G09074574
  5. Pull out the ventilation hose from the air hose and set it aside.
    Fig 2: Removing Ventilation Hose From Air Hose
    G09074575
  6. Remove the clip and loosen the wiring harness.
    Fig 3: Removing Clip
    G09074576
  7. Disconnect the ECT sensor No.1 connector.
  8. Remove the ECT sensor No.1 using the SST  .
  9. Install in the reverse order of removal.
  10. Refill the engine coolant. (See ENGINE COOLANT REPLACEMENT ).
    Fig 4: Removing ECT Sensor No.1 Using SST With Torque Specifications
    G09074577
Chapter Navigation
Return to Chapter: Engine Coolant Temperature (ECT) Sensor Removal/Installation
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.