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Home >> Infiniti >> 2003 >> QX4 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P1165: Swirl Control Vacuum Check Switch >> DTC Confirmation Test

DTC Confirmation Test

NOTE: For best results, perform test at temperatures above 41°F (5°C). If a DTC confirmation test has been previously performed, turn ignition off and wait at least 10 seconds before performing next DTC confirmation test.

Turn ignition off and wait at least 10 seconds. Turn ignition on. Select DATA MONITOR mode on scan tool. Wait at least 5 seconds. If first trip DTC is detected, go to DIAGNOSTIC PROCEDURE . If first trip DTC is not detected, system is okay at this time.

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