Note:
– If the wiring harnesses or waterproof connectors are damaged, water penetrating the connector will cause a sensor malfunction. To prevent this, be careful not to damage wiring harnesses or waterproof connectors.

ECT sensor No.1.
1. Disconnect the negative battery terminal.
2. Drain the engine coolant.
3. Lift up the vehicle.
4. Remove the front under cover No.2.
5. Disconnect the ECT sensor connector.

Relevant contents:

• Control system location, diagram, PCM and engine oil data reset [Skyactiv-G (with cylinder deactivation (e))]
• Mass air flow (MAF) sensor/intake air temperature (IAT) sensor no.1, mass air flow (MAF) sensor, intake air temperature (IAT) sensor and manifold absolute pressure (MAP) sensor [Skyactiv-G (with cylinder deactivation (e))]
• Barometric pressure (BARO) sensor, accelerator pedal position (APP) sensor and throttle position (TP) sensor [Skyactiv-G (with cylinder deactivation (e))]
• Fuel pressure sensor, air fuel ratio (A/F) sensor and heated oxygen sensor (HO2S) [Skyactiv-G (with cylinder deactivation (e))]
• Crankshaft position (CKP) sensor and camshaft position (CMP) sensor [Skyactiv-G (with cylinder deactivation (e))]
• Knock sensor (KS) and current sensor [Skyactiv-G (with cylinder deactivation (e))]
• Engine oil temperature sensor/engine oil pressure sensor and i-stop off switch [Skyactiv-G (with cylinder deactivation (e))]
• Clutch stroke sensor, power brake unit vacuum sensor and ion sensor [Skyactiv-G (with cylinder deactivation (e))]
• Engine oil level sensor, exhaust shutter valve position sensor and coolant control valve position sensor [Skyactiv-G (with cylinder deactivation (e))]