DTC Check / Clear

HINT:

• Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore, some detailed areas may not be exactly the same as on the actual vehicle.
• If the system cannot enter the diagnostic mode, inspect all AVC-LAN communication components and repair or replace problem parts (See AVC-LAN CIRCUIT  ).
• After the engine switch is turned on (IG), check that the map is displayed before starting the diagnostic mode. Otherwise, some items cannot be checked.

1. START DIAGNOSTIC MODE 
   1. Turn the engine switch on (IG).
   2. Press the "DISP" switch.
      Fig 1: Identifying DISP Switch

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   3. From the display quality adjustment screen, touch the corners of the screen in the following order: upper left → lower left → upper left → lower left → upper left → lower left.
   4. The diagnostic mode starts and the "System Check Mode" screen will be displayed. Service inspection starts automatically and the result will be displayed.
2. FINISH DIAGNOSTIC MODE 
   1. Turn the engine switch off.
      Fig 2: Display Check Screen

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3. DIAGNOSIS MENU 
   1. Press the "Menu" switch on the "System Check Mode" screen.
      Fig 3: Diagnosis Display - System Check Mode Screen

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   2. The "Diagnosis Menu" screen will be displayed.
      Fig 4: Diagnosis Display - Diagnosis Menu

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4. CHECK DTC (WITH DIAGNOSTIC MODE) 
   1. Read the system check result.
      1. If the check result is "EXCH", "CHEK" or "Old", touch the displayed check result.
         Fig 5: Diagnosis Display - System Check Mode Screen

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      2. View the results on the "Unit Check Mode" screen and record them.
         Fig 6: Diagnosis Display - Unit Check Mode Screen

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      3. When proceeding to view the results of another device, press the "Service" switch.
         Fig 7: Diagnosis Display - Unit Check Mode Screen

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      4. Return to the "System Check Mode" screen.

         HINT:

         To check other items, repeat from the first step.

         Fig 8: Diagnosis Display - System Check Mode Screen

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   2. Read the communication diagnostic check result.
      1. Return to the "System Check Mode" screen, and press the "LAN Mon" switch.
         Fig 9: Diagnosis Display - LAN Monitor

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      2. The "LAN Monitor" screen is displayed.
         Fig 10: Diagnosis Display - LAN Monitor Screen

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      3. If the check result is "CHEK" or "Old", touch the displayed check result.
         Fig 11: Diagnosis Display - LAN Monitor Screen

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      4. View the results on the individual communication diagnostic screen and record them.

         HINT:

         • If all check results are "No Err", the system judges that no DTC is stored.
           Fig 12: Diagnosis Display - LAN Monitor Screen

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         • The sub-code (relevant device) will be indicated by its physical address.
           Fig 13: Diagnosis Display - LAN Monitor Screen

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5. DTC CLEAR/RECHECK (WITH DIAGNOSTIC MENU) 
   1. Clear DTC
      1. Press the "Code CLR" switch for 3 seconds.
      2. The check results are cleared.
         Fig 14: Identifying Code CLR Switch

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   2. Recheck
      1. Press the "Recheck" switch.
         Fig 15: Identifying Recheck Switch

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      2. Confirm that all diagnostic trouble codes are "OK" when the check results are displayed. If a code other than "OK" is displayed, troubleshoot again.
         Fig 16: Diagnosis Display - Diagnostic Codes

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      3. Press the "LAN Mon" switch to change to "LAN Monitor" mode.
         Fig 17: Identifying LAN Mon Switch

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      4. Confirm that all diagnostic trouble codes are "No Err".

         If a code other than "No Err" is displayed, troubleshoot again.

         Fig 18: Diagnosis Display - Diagnostic Trouble Codes

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