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Home >> Mazda >> 2016 >> CX-3 Touring, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Engine Control System) >> Engine Coolant Temperature (ECT) Sensor Removal/Installation >> ECT Sensor No. 1

ECT Sensor No. 1

WARNING: This page is about a different car, the 2014 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
  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: Pulling Out Evaporative Hose No. 1 From Catch Tank
    G09796905Courtesy of MAZDA MOTORS CORP.
  5. Remove the clip from the bracket and loosen the wiring harness.
    Fig 2: Identifying Evaporative Hose No. 1 Clip And Bracket
    G09796906Courtesy of MAZDA MOTORS CORP.
  6. Set the wiring harness aside.
  7. Disconnect the ECT sensor No. 1 connector.
    Fig 3: Disconnecting ECT Sensor No. 1 Connector
    G09796907Courtesy of MAZDA MOTORS CORP.
  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
    G09796908Courtesy of MAZDA MOTORS CORP.
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