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Knock Sensor: Testing and Inspection
Diagnosis OverviewThe self check used by the control module monitors the voltage on the
KS circuit and if the voltage is below about 0.4 or over about 4.6, a DTC P0327 sets.
Knock Sensor (KS) DTCs: DTC P0327A DTC set when system is in a self check, and voltage on the
KS circuit is above or below the specified range. Refer to the
Applicable Diagnostic Trouble Code Tables.