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6E1–150 X22SE 2.2L ENGINE DRIVEABILITY AND EMISSION DIAGNOSTIC TROUBLE CODE (DTC) P0325 KNOCK SENSOR (KS) CIRCUIT MALFUNCTION D06RX121 Circuit Description The knock sensor (KS) system is used to detect engine Conditions for Setting the DTC D Engine run time is greater than 10 seconds. D No P0327 Diagnostic Trouble Code set. D Engine speed is above 2500 rpm. All the above mentioned conditions are met, and the D Any of the four A/D voltages exceeds 1.5625 Volts. D Instantaneous A/D delta Voltage falls below 0.019531 Action Taken When the DTC Sets D The Malfunction Indicator Lamp (MIL) will illuminate D The ECM will record operating conditions at the time D A history Diagnostic Trouble Code is stored. D The ECM will use a calculated spark retard value in Conditions for Clearing the MIL/DTC D The MIL will turn off after 3 consecutive ignition cycles D A history Diagnostic Trouble Code will clear after 40 D A Tech 2 can clear the Diagnostic Trouble Codes. Diagnostic Aids Correct any abnormal engine noise before using the Test Description Number(s) below refer to the step number(s) on the technician to complete some basic checks and store |