Navigation System Diagnostics: Notes

Information can be accessed through the diagnostic line using T4. Information which can be accessed includes the following:

• Land Rover part number
• Hardware and software version
• Week and year of manufacture
• LCD brightness
• Read error memory/fault codes.

The button status function can be used to determine the correct functioning of the switch-pack. Sticking buttons can be observed on the T4 screen as well as the correct functioning of all the keys as they are pressed.