KNOCK SENSOR (KS) [SKYACTIV-G 1.5, SKYACTIV-G 2.0, SKYACTIV-G 2.5]

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Purpose/Function

•  Detects abnormal combustion in the cylinder as basic information (mainly used to determine the ignition timing) and sends it to the PCM as a knocking signal.

Construction

•  Installed on the cylinder block.
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•  A piezoelectric element has been adopted (as the detecting element) for detecting abnormal combustion.

Operation

•  Sends the signal, which fluctuates according to abnormal combustion, to the PCM.
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KS characteristic

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Fail-safe

DTC No.

Fail-safe function
P0327:00
•  Sets the knocking spark retard correction value of the ignition control to the fixed value.
P0328:00
•  Sets the knocking spark retard correction value of the ignition control to the fixed value.