ENGINE COOLANT TEMPERATURE (ECT) SENSOR [SKYACTIV-G 2.5]

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Purpose/Function

•  Detects the ECT as basic information for mainly determining the fuel injection amount.
•  Detects the ECT and sends it to the PCM as an ECT signal.

Construction

•  The ECT sensor is located near the engine coolant control valve and the water pump.
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Operation

•  Sends the signal, which fluctuates according to the ECT, to the PCM.
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ECT sensor characteristic

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Fail-safe

DTC No.

Fail-safe function
P0117:00
•  Fixes water temperature for the engine control at 40 °C {104 °F}, and for the idle air control at 80 °C {176 °F}
•  Operates the cooling fan (high speed rotation).
•  Inhibits the fuel cut control during shift change.
P0118:00
•  Fixes water temperature for the engine control at 40 °C {104 °F}, and for the idle air control at 80 °C {176 °F}
•  Operates the cooling fan (high speed rotation).
•  Inhibits the fuel cut control during shift change.
P111A:00
•  Limits intake air amount.