( TL19E00J36100000000FEAT00 )

Navigation System Diagnostic Mode

System Links

1. Enter this screen by connecting the SCS connector or by selecting Self-Diagnosis Mode from the navigation screen main menu, The message at the bottom of the screen flashes indicating the diagnostic is running.
   NOTE: the system cannot complete a full diagnosis unless the engine is running.

1. Rotate the interface dial to select the icon you want to diagnose. Push in the selector to see the details of that diagnostic function.
   The System Links function runs automatically and displays a flashing message at the bottom of the screen reminding you to have the engine running for the test. The diagnostic tests the following:
   - The cables connecting the navigation components shown in the block diagram.
   - The results from the various components shown in the block diagram.
   - The microphone is tested by listening to the bong sound produced by the navigation unit from the speakers when the diagnostic is started. This requires that the audio system be operating normally.
   When the diagnostic finishes, the icons turn different colors based on their test status. The color definitions are shown below and can also be seen by selecting Help on the System Links screen.
   The indication on the screen may not change until you exit and re-enter the Self-Diagnosis mode. In some cases, you may have to restart the engine for the indication to change. After you repair the affected component or harness, repeat this diagnostic.
   Explanation of each icon
   Each color of the icon are explained in the table below.

   Icon Colors | Description
   --- | ---
   Green | The system ran a diagnosis and the results are OK.
   Red | Errors that require replacement of hardware or harness. Examples are connection error or memory diagnosis error.
   Yellow | Errors that doesn't require hardware replacement, such as an open display cover, an inserted different model's disc, leaving the vehicle in ACC (I), or because of a missing accessory.
   White | The diagnosis is running. The screen functions are locked out while the diagnosis is running.
   Gray | The system cannot automatically check this function. You have to select the diagnosis item and manually do additional testing, like checking the navigation buttons in the Hard Key test. When you complete the Hared Key test and return to the System Links menu, the gray icon turns green.

   NOTE: By selecting the HELP icon, you can see a description for each color.