Fault Profile M-ASK 1205 (M-ASK-BO User Interface or M-ASK-GW Gateway or M-ASK-NAV Navigation System)

Fault Patterns, Malfunction In Navigation System Business 12/05

The navigation system Business (M-ASK) is a complex control module with a large number of possible fault patterns. The following list shows known symptoms in the functional area M-ASK audio and navigation. Fault patterns from the functional areas of telephone and Telematic services as well as integrated heating / air conditioner control are not covered in this test module.

Navigation

No. Symptom
401 Sporadic fault: navigation fault due to loss of position
402 Calculated route leads unnecessarily through limited access roads.
403 Unfavorable route selection with operation without navigation DVD inserted
412 Navigation DVD is not recognized

General

No. Symptom
001 With encoded DVD lock, no input dialog for the PIN appears when the eject button is pressed. Navigation DVD can no longer be ejected.
002 Loss of settings
005 Reprogramming of MASK no longer possible after program termination 1060
007 Navigation DVD label comes loose
008 DVD lock inactive after overall encoding

Operation

No. Symptom
101 Radio control without function

Display

No. Symptom
201 Date is not displayed correctly. 00 is displayed instead of 10.

M-ASK audio

No. Symptom
301 MP3 titles of the CDC are not displayed
302 Correct audio source only after a few seconds
303 Fade control does not completely mute the loudspeakers.
304 Playback problems with CD operation
313 Noise and distortions at high volume
314 E87: maximum volume that can be set is too low
315 Sporadic audio breaks