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DTC Detection Logic

DTC DETECTING CONDITION AND POSSIBLE CAUSES

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0605 Engine control module A) ECM calculation function is malfunctioning.
  • ECM
B) ECM EEP-ROM system is malfunctioning.
C) ECM self shut-off function is malfunctioning.

DTC CONFIRMATION PROCEDURE

  1. PRECONDITIONING

    If DTC Confirmation Procedure has been previously conducted, always perform the following before conducting the next test.

    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 FOR MALFUNCTION A
    1. Turn ignition switch ON.
    2. Check 1st trip DTC.

    Is 1st trip DTC detected? 

    YES: Go to "DIAGNOSIS PROCEDURE ".

    NO: Go to 3.

  3. PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION B
    1. 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: Go to "DIAGNOSIS PROCEDURE ".

    NO: Go to 4.

  4. PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION C
    1. 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: Go to "DIAGNOSIS PROCEDURE ".

    NO: INSPECTION END

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