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Home >> Infiniti >> 2012 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0500 To P1424 >> DTC P0603: ECM Power Supply >> DTC Logic >> DTC Confirmation Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

DTC Confirmation Procedure

  1. PRECONDITIONING
    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Turn ignition switch ON.
    3. Turn ignition switch OFF and wait at least 10 seconds.

    : GO TO 2.

  2. PERFORM DTC CONFIRMATION PROCEDURE
    1. Turn ignition switch ON wait at least 10 seconds.
    2. Turn ignition switch OFF and wait at least 5 minutes.
    3. Turn ignition switch ON, wait at least 10 seconds.
    4. Repeat step  2 and 3 for five times.
    5. Check 1st trip DTC.

    Is 1st trip DTC detected? 

    YES: Go to "DIAGNOSIS PROCEDURE ".

    NO: INSPECTION END

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