KNOCK SENSOR (KS) [WITHOUT CYLINDER DEACTIVATION (SKYACTIV-G 2.0, SKYACTIV-G 2.5)]

id0140m1004900


Purpose/Function

•  Detects abnormal combustion in the cylinder as basic information for mainly determining the ignition timing.
•  Detects abnormal combustion in the combustion chamber 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.