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
• global positioning system (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.

Navigation System diagnostic trouble code (DTC)