Board Monitor Service Mode: Notes
The navigation system provides a service mode display function. These screens provide system hardware/software identification numbers and status of Board Monitor and Navigation specific functions for use as a diagnostic tool. The screens are accessed as follows:
- From the Main Menu select "Set".
- Once in the Set function, press and hold the menu button for 8 seconds.
- The next screen to appear is the SERVICE MODE menu.
The first accessible function is "On-board monitor". Pressing this selection calls up the version screen which provides identification of hardware/ software specific index versions for the installed system.
Pressing the functions key at the bottom continues into additional screens including the Key Functions and Brightness controls.
Key Functions tests the key input on the BMBT. Input status (1-25) will display in the window.
The brightness control allows the display illumination to be manually adjusted.
The next accessible function is the NAVI/GRAPHIC ELEMENT.
This screen identifies hardware/ software specific index versions for the installed system.
The Video module selection is not functional since the US version navigation system does not utilize the video module.
The next available selection from the service mode menu is "GPS".
This display provides the GPS receiver module hardware version number and date of programmed software.
Pressing the functions button in the lower right corner of this screen provides a sub-selection menu.
GPS Status provides information on the exact coordinates of the vehicle based on the calculations of the GPS receiver module.
GPS Tracking provides information about the individual satellites currently sending signals to the GPS receiver module. Though interesting, this display provides data which is not usable for BMW service technician scope of diagnosis.
The next selection available from the SERVICE MODE menu is "Sensor check" which provides:
- Wheel speed input
- Number of satellites detected.
- What mode the GPS receiver module is currently in; (i.e.: Search)
- The Gyro status provides the milli-voltage value the Nav computer is utilizing for the current vehicle position. This area also includes an icon representing what direction the vehicle is heading in.
- The direction status indicates what gear is selected (forward or reverse).
The Sensor check display is intended to be used while test driving the vehicle.
The last selection available is the Telematics entry display.