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: Display Of 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: Display Of System Check Mode Screen - Menu

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   2. The "Diagnosis MENU" screen will be displayed.
      Fig 4: Display Of 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: Display Of System Check Mode Screen

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

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

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      4. Return to the "System Check Mode" screen. Repeat this step.
         Fig 8: Display Of 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: Display Of System Check Mode & 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 "No Err", the system judges that no DTC exists.
         • The sub-code (relevant device) will be indicated by its physical address.
         • When proceeding to view the results of another device, press the "Service" switch to return to the original "LAN Monitor" screen. Repeat this step.
           Fig 10: Display Of 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: Pressing Code CLR Switch

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   2. Recheck
      1. Press the "Recheck" switch.
         Fig 12: Pressing Recheck Switch

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      2. Confirm that all diagnostic codes are "OK" when the check results are displayed. If a code other than "OK" is displayed, troubleshoot again.
         Fig 13: Display Of Diagnostic Codes Error Screen

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

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      4. Confirm that all diagnostic codes are "No Err". If a code other than "No Err" is displayed, troubleshoot again.
         Fig 15: Display Of Diagnostic Codes Error Screen

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