Edition 02.2006 Audi Q7 4.2 l Fuel injection engine (257 kW - 8 cylinder), engine code BAR
from model year 2007
Notes:
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
ws =white sw =black ro =red br =brown gn =green bl =blue gr =grey li =purple ge =yellow or =orange rs =pink
Battery, terminal 15 voltage supply relay, energy management control unit, battery isolation igniter, fuses A -  B attery
J234 -
A irbag control unit J329 -  T erminal 15 voltage supply relay J518 -  E ntry and start authorisation control unit J644 -  E nergy management control unit N253 -
B attery isolation igniter SB8 -  F use 8 on fuse holder B SB9 -  F use 9 on fuse holder B SD1 -  F use 1 on fuse holder D SD2 -  F use 2 on fuse holder D SD3 -  F use 3 on fuse holder D SD4 -  F use 4 on fuse holder D SD5 -  F use 5 on fuse holder D SD7 -  F use 7 on fuse holder D
T10d -  10-pin connector, blue, coupling station on electronics box,
plenum chamber
T20e -  20-pin connector, black, on entry and start authorisation
control unit
T46a -  46-pin connector, black, CAN separating connector left T75 -  75-pin connector, grey, on airbag control unit (USA: white)
B272
-P ositive connection (30), in main wiring harness  B273
-P ositive connection (15), in main wiring harness
• -  C AN bus (data wire)
* -  R elay and fuse carrier under driver seat ** -  s crew connection (31) battery wire before driver seat
ws
=white sw =black ro =red br =brown gn =green bl =blue gr =grey li =purple ge =yellow or =orange rs
=pink
奥迪q7车友会Starter, alternator, starter motor relay, starter motor relay 2, slave start socket B -  S tarter C -  A lternator C1 -  V oltage regulator J53 -  S tarter motor relay J695 -  S tarter motor relay 2T2 -  2-pin connector, black, on alternator
T6m -  6-pin connector, white, coupling station on electronics box,
plenum chamber
T10f -  10-pin connector, red, coupling station on electronics box,
plenum chamber
TV22 -  T erminal 30 wiring junction 2U6 -  S lave start socket
13
-E arth point, on right in engine compartment  18 -E arth point on engine block
D51 -  Positive connection 1 (15), in engine compartment wiring harness
D97
-C onnection (50), in engine compartment wiring harness
* -  R elay and fuse carrier, electronics box plenum chamber
ws
=white sw =black ro =red br =brown gn =green bl =blue gr =grey li =purple ge =yellow or =orange rs =pink
Engine control unit, Motronic current supply relay J271 -  M otronic current supply relay J623 -  E ngine control unit S17 -  F uses in relay plate fuse holder T94 -  94-pin connector, black, on engine control unit
85 -E arth connection 1, in engine compartment wiring harness
609 -E arth point, on right in plenum chamber
D50 -  Positive connection (30), in engine compartment wiring harness
D75 -  Positive connection 2 (30), in engine compartment wiring harness
D101 -C onnection 1, in engine compartment wiring harness  D102
-C onnection 2, in engine compartment wiring harness
* -  R elay and fuse carrier, electronics box plenum chamber
ws
=white sw =black ro =red br =brown gn =green bl =blue gr =grey li =purple ge =yellow or =orange rs
=pink
Engine control unit E45 -  C ruise control system switch J518 -  E ntry and start authorisation control unit J527 -  S teering column electronics control unit J623 -  E ngine control unit S9 -  F uses in relay plate fuse holder S11 -  F uses in relay plate fuse holder
T10c -  10-pin connector, pink, coupling station on electronics box,
plenum chamber
T10d -  10-pin connector, blue, coupling station on electronics box,
plenum chamber
T16a -  16-pin connector, on steering column electronics control unit T20e -  20-pin connector, black, on entry and start authorisation
control unit
T46a -  46-pin connector, black, CAN separating connector left T94 -  94-pin connector, black, on engine control unit
D100
-  Positive connection 2 (15), in engine compartment wiring
harness
D103
-C onnection 3, in engine compartment wiring harness
• -  C AN bus (data wire)