2007 Audi Q7 Fiber Optic Loop

This system controls all of the entertainment and information modules and communicates with light pulses via a fiber optic line.

2007 audi q7 fiber optic loop. Q7 2010 2013. The most bus is a fiber optic loop that goes from device to device. This article applies to the audi a3 a4 b7 b8 a6 c5 c6 and q5 q7 2001 present. My 2008 q7 still has the original 4140 which i ve never updated.

The system is a loop meaning if one goes down all control units will not function. Since the optical bus is connected in series first device out to then second device input and so on until it gets back to the first device input to complete a loop. Rebooting of the mmi is caused by the fiber channel loop being open somewhere. Audi q7 mmi diagnosis and repair.

A6 a6l 2004 2009. Works intermittently but mainly does not. Audi q7 mmi diagnosis and repair. Audi mmi is the platform audi has staked for its radio and navigation system.

If it works don t fix it. Basically every module needs fiber optic signal and 12v power attached to function to wake up most network it is enough to open close the door you don t have to start the car the thing is most gateway will go to sleep after 10 minutes if network is broken and to wake it up you need to open close any door or turn on the radio. A8 a8l 2003 2009. Q7 2005 2009.

It encompasses just about every electronic feature you could want in a car such as phone calling bluetooth connectivity and satellite radio. The avin most ad fiber optic amp interface allows the audi factory amplifier the output from all speakers including subwoofer and premium sound quality to be retained when installing any. The scan shows which modules are communicating. A6 a6l 2010 2011.