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Home >> Infiniti >> 2012 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0500 To P1424 >> DTC P0605: ECM >> DTC Logic >> DTC Confirmation Procedure

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.

    TESTING CONDITION: 

    Before performing the following procedure, confirm that battery voltage is 11 V or more at idle. 

    : GO TO 2.

  2. PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A AND D
    1. Turn ignition switch ON.
    2. Check 1st trip DTC.

    Is 1st trip DTC detected? 

    YES: Proceed to "DIAGNOSIS PROCEDURE ".

    NO: GO TO 3.

  3. PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION B
    1. Turn ignition switch ON and wait at least 1 second.
    2. Turn ignition switch OFF, wait at least 10 seconds, and then turn it ON.
    3. Check 1st trip DTC.

    Is 1st trip DTC detected? 

    YES: Proceed to "DIAGNOSIS PROCEDURE ".

    NO: GO TO 4.

  4. PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION C
    1. Turn ignition switch ON and wait at least 1 second.
    2. Turn ignition switch OFF, wait at least 10 seconds, and then turn it ON.
    3. Repeat step  2 for 32 times.
    4. Check 1st trip DTC.

    Is 1st trip DTC detected? 

    YES: Proceed to "DIAGNOSIS PROCEDURE ".

    NO: INSPECTION END

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