LR3/Disco 3
Selecting the vehicle configurations option allows the technician to inspect the components fitted to the vehicle
entertainment system. There are four screens which can be navigated through via the next and previous buttons.
MOST Test
The MOST test screen displays information about the MOST signals being sent around the MOST ring. Using any part of
the audio system will bring up the MOST message on the screen. This can be used to help diagnose MOST related faults.
Navigation Computer Diagnostics
The navigation computer has in built diagnostics to aid the diagnosis of system faults. The diagnostics allow the
technician to interrogate the following:
Navigation info
Parts info
Manual check
Self check.
Each area has sub level of menus to access further information.
The built in diagnostics are accessed as follows:
Once the system is powered up enter the navigation system via the navigation hard key.
Agree to the disclaimer screen.
Enter the navigation home menu.
Press and hold the TSD in the center at the top of the screen.
A Diag PIN Entry box will appear, type in the access code 753.
Once this code has been accepted the on screen diagnostics menu will be displayed. The menu has the following
options:
Navigation info
Manual check
Parts info
Self check
Navigation Info
The navigation info menu has three sub menus:
Vehicle signals
GPS information
Reset position
Parts Info
Parts info displays information on the system component and software versions.
Manual Check
The manual check menu enables the technician to complete the following self tests:
Navi RGB screen test.
Microphone input level test.
Voice output test.
Self Check
Self check runs an internal check on the navigation computer and displays any fault codes on the TSD.
