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Fig. 299: Diagnostic Menu Screen Display - LAN Monitor Screen 4. Confirm that all diagnostic codes are "No Err". If a code other than "No Err" is displayed, troubleshoot again. DIAGNOSTIC TROUBLE CODE CHART HINT: If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. Fig. 300: Diagnostic Menu Screen Display - No Err Communication function COMMUNICATION FUNCTION DTC Code Detection Item Trouble Area 01-21 ROM Error Navigation receiver 01-22 RAM Error Navigation receiver 01-D5 Absence of Registration Unit Power source circuit of AVC-LAN circuit between Component shown by sub-
2009 Toyota Tundra 2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra
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