MMI standard DSP-soundsystem (9VD) from model year 2007 Audi Q7Current Flow DiagramNo. 22 / 1 Edition 02.2006Notes:For information concerning? Position of relays and fuses? Multi-pin connections? Control units and relays? Earth connections List of Fitting Locations!For information concerning? Fault Finding Programs guided fault finding页码，1/4WI-XMLAudi Q7Current Flow DiagramNo. 22 / 2ws = white sw = black ro = red br = brown gn = green bl= blue gr = grey li= purple ge = yellow or = orange rs = pinkDigital sound package control unit, microphone unit in front roof module, fuses J523 - Front information display and operating unit control unit J525 - Digital sound package control unit J533 - Data bus diagnostic interface R164 - Microphone unit in front roof module SD3 - Fuse 3 on fuse holder D SF8 - Fuse 8 on fuse holder F T6x - 6-pin connector, blue, on microphone unit in front roof module T20k -20-pin connector, red, connector A, on front information display and operating unit control unit T26b -26-pin connector, black, connector B, on data bus diagnostic interface T32c - 32-pin connector, black, on digital sound package control unit675 - Earth point 2, on right in luggage compartmentB444 -Connection 1 (diagnosis), in main wiring harness (ring brake diagnosis)* - Relay and fuse carrier under driver seat # - models with voice control -Fibre optic conductor, see Current Flow Diagram infotainment data bus (Most Ring)页码，2/4WI-XMLAudi Q7Current Flow DiagramNo. 22 / 3ws = white sw = black ro = red br = brown gn = green bl= blue gr = grey li= purple ge = yellow or = orange rs = pinkDigital sound package control unit, front left treble loudspeaker, front left and right bass loudspeaker, front left mid-range loudspeaker, centre mid-range and treble loudspeaker J525 - Digital sound package control unit R20 - Front left treble loudspeaker R21 - Front left bass loudspeaker R23 - Front right bass loudspeaker R103 - Front left mid-range loudspeaker R158 - Centre mid-range and treble loudspeaker T20a - 20-pin connector, black, front left door T20b - 20-pin connector, black, front right door T32c - 32-pin connector, black, on digital sound package control unitB468 - Connection 4, in main wiring harnessB469 - Connection 5, in main wiring harness页码，3/4WI-XMLAudi Q7Current Flow DiagramNo. 22 / 4ws = white sw = black ro = red br = brown gn = green bl= blue gr = grey li= purple ge = yellow or = orange rs = pinkDigital sound package control unit, rear left and right treble loudspeaker, front right treble loudspeaker, front right mid-range loudspeaker, rear left and right mid-range and bass loudspeaker J525 - Digital sound package control unit R14 - Rear left treble loudspeaker R16 - Rear right treble loudspeaker R22 - Front right treble loudspeaker R104 - Front right mid-range loudspeaker R159 - Rear left mid-range and bass loudspeaker R160 - Rear right mid-range and bass loudspeaker T20b - 20-pin connector, black, front right door T20c - 20-pin connector, black, rear left door T20d - 20-pin connector, black, rear right door T32c - 32-pin connector, black, on digital sound package control unitB487 - Connection 23, in main wiring harnessB488 - Connection 24, in main wiring harnessR71 -Connection (positive, loudspeaker), in rear left door wiring harnessR72 -Connection (negative, loudspeaker), in rear left door wiring harnessR73 -Connection (positive, loudspeaker), in rear right door wiring harnessR74 -Connection (negative, loudspeaker), in rear right door wiring harness页码，4/4WI-XML