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: Pressing 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.
      Fig 2: Identifying Display Quality Adjustment Screen

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2. FINISH DIAGNOSTIC MODE 
   1. Turn the engine switch off.
3. DIAGNOSIS MENU 
   1. Press the "Menu" switch on the "System Check Mode" screen.
      Fig 3: Pressing Menu Switch On System Check Mode Screen

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   2. The "Diagnosis Menu" screen will be displayed.
      Fig 4: Identifying Diagnosis Menu Screen

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4. CHECK DTC 
   1. Read the system check result.
      1. If the check result is "EXCH", "CHEK" or "Old", touch the displayed check result.
         Fig 5: Reading System Check Result

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

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      3. When proceeding to view the results of another device, press the "Service" switch.
         Fig 7: Identifying Service Switch

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

         HINT:

         To check other items, repeat from the first step.

         Fig 8: Identifying 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 to enter the "LAN Monitor" screen.
         Fig 9: Identifying LAN Monitor Screen

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      2. If the check result is "CHEK" or "Old", touch the displayed check result to view the results on the individual communication diagnostic screen and record them.

         HINT:

         • If all check results are "NoErr", the system judges that no DTC is stored.
         • The sub-code (relevant device) will be indicated by its physical address.
         • When proceeding to view the results of another device, press the "LAN Monitor" switch to return to the original "LAN Monitor" screen. Repeat this step for each device.
           Fig 10: Identifying LAN Monitor Screen

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5. DTC CLEAR/RECHECK 
   1. Clear DTC
      1. Press the "Code CLR" switch for 3 seconds.
      2. The check results are cleared.
         Fig 11: Locating Code CLR Switch

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   2. Recheck
      1. Press the "Recheck" switch.
         Fig 12: Locating 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 13: Identifying Check Results

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      3. Press the "LAN Mon" switch to change to the "LAN Monitor" screen.
         Fig 14: Locating LAN Mon Switch

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      4. Confirm that all diagnostic trouble codes are "NoErr". If a code other than "NoErr" is displayed, troubleshoot again.
      Fig 15: Locating Diagnostic Trouble Codes No Error

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