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Home >> Infiniti >> 2003 >> QX4 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0327: Knock Sensor Circuit - Low Input Or DTC P0328: Knock Sensor Circuit - High Input >> DTC Confirmation Test
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DTC Confirmation Test

NOTE: If DTC confirmation procedure had been previously run, turn ignition off and wait at least 10 seconds before continuing.

Turn ignition on. Select DATA MONITOR with scan tool. Start engine and let it idle for at least 5 seconds. If DTC is detected, go to DIAGNOSTIC PROCEDURE . If DTC is not detected, system is okay at this time.

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