Unit Check

Unit Check

Select the item you want to check and the diagnostic starts.




Display

This diagnostic performs additional checks on the communication bus between the control unit and the display. In addition, the internal electronics functionality are confirmed.
- When the connection is NG, first check for loose terminals at the navigation unit and the display unit connections. Next check for an open or short in the communication line between the navigation unit and the display unit. If the line is found to have an open or short, replace the affected shielded harness.
- If the ROM or RAM is NG, replace the display unit.
- The version represents the software version in the display.




Radio

If the NG is indicated, check for loose audio unit connector.

NOTE: If the XM link was displayed red, but the radio link was displayed green in the navigation system link, refer to audio system symptom troubleshooting.




Navi ECU

This screen looks for problems the navigation unit. When this diagnostic is initiated, there is a delay of up to a minute while it runs.

NOTE: Do not try to end this diagnostic by pressing "OK" or "Mem clear" before it finishes, otherwise the system may reboot.

- If "V-RAM" or "D-RAM" is NG, then replace the navigation unit.
- If "GPS" indicates "NG (ANT)," then check the entire GPS antenna wire from the navigation unit to the antenna. If the wire is crushed or damaged, try a known good antenna. If this diagnostic reads OK, then order a new GPS antenna If the diagnostic still reads NG (ANT), then replace the navigation unit.
- "DVD ROM" represents the database version on the DVD. This information can also be found either in the Setup Screen "Version," or in the Diagnostic Screen "Version."
- "Serial No." should be the same as the serial number found on the underside of the navigation unit. This number is needed to obtain the security code from the Interactive Network (/N) system.
- The Mem Clr is for factory use and should not be used unless instructed by the factory. Selecting this will erase the customer's settings, personal information, GPS orbital data, and anything else stored in memory.







PC Card info.

There is no PC Card in the PC slot, and the screen should say, "PC Card is not inserted."

NOTE: Do not insert any card or object into the slot.

If the factory provides a PC card and instructs you to insert a card, then the screen displays the Manufacturer, and Product Name as shown in the above screen.




Hard Key

This diagnostic tests in the interface dial, and the buttons that surround it. For this model, the interface dial and buttons do not use the GA-Net bus for communications.

To complete the test, touch each button or the vehicle's control panel, and move the interface dial to each indicated position. As each function is tested, the corresponding button on the display should highlight. To exit, push in and hold the selector knob.




Archon Diag

Indicates received data from climate control unit after running the climate control self-diagnostic function.




Smart Card

If the smart card is using now, you can check the card condition.