Audio 30 APS diagnosis, function check - AD82.61-P-3001A

MODEL 163,168,170, 208, 210 with CODE (353) Audio 30 APS 

	Audio 30 APS diagnosis, basic knowledge		AD82.61-P-2001A
	See specified diagnosis manuals for function checks on the following systems: radio (RD), AM/FM antenna systems (ATS) and loudspeaker system (LSA).
	Fuses okay
	Battery voltage 11-14 V
	Function check
Scope of test	Action/prerequisites	Nominal value	Possible cause / remedy
1 GPS reception	Vehicle outdoors under free sky Ignition: ON  Radio and navigation unit (A2/56): ON  Press "I" button (info). Wait a few minutes if necessary.	The current location is indicated in terms of latitude and longitude, e.g.: LONGIT. 9:01.37E LATIT. 48:42.17N In addition, the number of satellites received is indicated. It is necessary to receive at least 3 satellite signals for two-dimensional GPS location finding. Local or atmospheric influences can cause interruptions in the reception of the GPS signals.	AD82.61-P-5001A
2 Navigation	Ignition: ON  Radio and navigation unit (A2/56): ON  If necessary: insert navigation CD ROM into radio and navigation unit (A2/56)  . Press "NAV" button. Check GPS reception (see above) Enter a destination in the vicinity with the aid of the "ADDRESS ENTRY" menu and activate guidance feature by selecting: FASTEST ROUTE or SHORTEST ROUTE or OWN SETTINGS. Drive vehicle along test route	Route calculation may take up to 30 s. Recommendations for guidance or output on the radio loudspeakers ( voice output  ) and on the A2/56 display with the aid of route guidance symbols ( pictograms  ). Pay particular attention to the time the voice messages are output (the messages should not be output too early or too late). Also observe bar graph display. If the vehicle is on a "non-digitized" road (company yard, parking lot, country road) the display "OFF ROAD" appears. When driving outside of the digitized map boundaries the display "OFF MAP" appears.	AD82.61-P-5001A