audi q7 battery terminal engine management
DESCRIPTION
Audi Q7 Battery wirringTRANSCRIPT
Audi Q7 3.0 l - TDI, Common Rail, (155 kW 171 kW - 6-cylinder) engine code BUN / BUGfrom model year 2007
Audi Q7 Current Flow Diagram No. 4 / 1 Edition 04.2007
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
Page 1 of 18WI-XML
Audi Q7 Current Flow Diagram No. 4 / 2
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Battery, terminal 15 voltage supply relay, energy management control unit, battery isolation igniter, fusesA - Battery
J234 - Airbag control unit
J329 - Terminal 15 voltage supply relay
J518 - Entry and start authorisation control unit
J644 - Energy management control unit
N253 - Battery isolation igniter
SD1 - Fuse 1 on fuse holder D
SD2 - Fuse 2 on fuse holder D
SD3 - Fuse 3 on fuse holder D
SD4 - Fuse 4 on fuse holder D
SD5 - Fuse 5 on fuse holder D
T2au - 2-pin connector, yellow, on battery isolation igniter
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 - Positive connection (30), in main wiring harness
B273 - Positive connection (15), in main wiring harness
• - CAN bus (data wire)
* - Relay and fuse carrier under driver seat
** - screw connection (31) battery wire before driver seat
# - up to May 2006
## - from June 2006
♦ - up to May 2007
♦♦ - from June 2007
Audi Q7 Current Flow Diagram No. 4 / 3
Page 2 of 18WI-XML
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Starter, alternator, starter motor relay, starter motor relay 2, slave start socketB - Starter
C - Alternator
C1 - Voltage regulator
J53 - Starter motor relay
J695 - Starter motor relay 2
SB6 - Fuse 6 on fuse holder B
SB8 - Fuse 8 on fuse holder B
SB9 - Fuse 9 on fuse holder B
T2 - 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 - Terminal 30 wiring junction 2
U6 - Slave start socket
13 - Earth point, on right in engine compartment
18 - Earth point on engine block
D51 - Positive connection 1 (15), in engine compartment wiring
harness
D97 - Connection (50), in engine compartment wiring harness
* - Relay and fuse carrier, electronics box plenum chamber
♦ - up to May 2007
♦♦ - from June 2007
Page 3 of 18WI-XML
Audi Q7 Current Flow Diagram No. 4 / 4
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orangers = pink
Automatic glow period control unit, glow plugsJ179 - Automatic glow period control unit
Q10 - Glow plug 1
Q11 - Glow plug 2
Q12 - Glow plug 3
Q13 - Glow plug 4
Q14 - Glow plug 5
Q15 - Glow plug 6
S2 - Fuse in relay plate fuse holder
S7 - Fuse in relay plate fuse holder
T6t - 6-pin connector, black, in right engine compartment
D108 - Connection 6, in engine compartment wiring harness
* - Relay and fuse carrier, electronics box plenum chamber
# - up to May 2006
## - from June 2006
Audi Q7 Current Flow Diagram No. 4 / 5
Page 4 of 18WI-XML
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Engine control unit, terminal 30 voltage supply relayJ317 - Terminal 30 voltage supply relay
J623 - Engine control unit
T94 - 94-pin connector, black, on engine control unit
85 - Earth connection 1, in engine compartment wiring harness
609 - Earth point, on right in plenum chamber
B303 - Positive connection 7 (30), in main wiring harness
D50 - Positive connection (30), in engine compartment wiring
harness
D75 - Positive connection 2 (30), in engine compartment wiring
harness
D101 - Connection 1, in engine compartment wiring harness
D102 - Connection 2, in engine compartment wiring harness
D144 - Positive connection 5 (30), in engine compartment wiring
harness
* - Relay and fuse carrier, electronics box plenum chamber
** - Screw connection in electronics box in plenum chamber
# - up to May 2006
## - from June 2006
♦ - models with auxiliary heater
Page 5 of 18WI-XML
Audi Q7 Current Flow Diagram No. 4 / 6
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orangers = pink
Engine control unitE45 - Cruise control system switch
F125 - Multifunction switch
J518 - Entry and start authorisation control unit
J527 - Steering column electronics control unit
J623 - Engine control unit
S9 - Fuse in relay plate fuse holder
S15 - Fuse 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
T10p - 10-pin connector, black, on gearbox
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
B482 - Connection 18, in main wiring harness
D103 - Connection 3, in engine compartment wiring harness
• - CAN bus (data wire)
Audi Q7 Current Flow Diagram No. 4 / 7
Page 6 of 18WI-XML
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Engine control unit, coolant temperature sender, fuel temperature sender, fuel pressure sender, injector, cylinder 1 - 6G62 - Coolant temperature sender
G81 - Fuel temperature sender
G247 - Fuel pressure sender
J623 - Engine control unit
N30 - Injector, cylinder 1
N31 - Injector, cylinder 2
N32 - Injector, cylinder 3
N33 - Injector, cylinder 4
N83 - Injector, cylinder 5
N84 - Injector, cylinder 6
T60 - 60-pin connector, black, on engine control unit
Page 7 of 18WI-XML
Audi Q7 Current Flow Diagram No. 4 / 8
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orangers = pink
Engine control unit, air mass meter, fuel pressure regulating valve, fuel metering valve, charge air pressure sender, intake air temperature sender, accelerator position senderG31 - Charge air pressure sender
G42 - Intake air temperature sender
G70 - Air mass meter
G79 - Accelerator position sender
G185 - Accelerator position sender 2
J623 - Engine control unit
N276 - Fuel pressure regulating valve
N290 - Fuel metering valve
S10 - Fuse in relay plate fuse holder
S14 - Fuse in relay plate fuse holder
T6m - 6-pin connector, white, coupling station on electronics box, plenum chamber
T10e - 10-pin connector, green, coupling station on electronics box, plenum chamber
T10m - 10-pin connector, black, coupling station on electronics box, plenum chamber
T60 - 60-pin connector, black, on engine control unit
T94 - 94-pin connector, black, on engine control unit
D111 - Connection 9, in engine compartment wiring harness
# - up to May 2006
## - from June 2006
Audi Q7 Current Flow Diagram No. 4 / 9
Page 8 of 18WI-XML
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Engine control unit, throttle valve module, exhaust gas recirculation valve, exhaust gas recirculation cooler change-over valveJ338 - Throttle valve module
J623 - Engine control unit
N18 - Exhaust gas recirculation valve
N345 - Exhaust gas recirculation cooler change-over valve
T10m - 10-pin connector, black, coupling station on electronics box, plenum chamber
T60 - 60-pin connector, black, on engine control unit
T94 - 94-pin connector, black, on engine control unit
D110 - Connection 8, in engine compartment wiring harness
# - up to May 2006
## - from June 2006
Page 9 of 18WI-XML
Audi Q7 Current Flow Diagram No. 4 / 10
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orangers = pink
Engine control unit, turbocharger 1 control unit, intake manifold flap motorJ623 - Engine control unit
J724 - Turbocharger 1 control unit
T10m - 10-pin connector, black, coupling station on electronics box, plenum chamber
T60 - 60-pin connector, black, on engine control unit
T94 - 94-pin connector, black, on engine control unit
V157 - Intake manifold flap motor
V275 - Intake manifold flap 2 motor
281 - Earth connection 1, in engine harness
609 - Earth point, on right in plenum chamber
D110 - Connection 8, in engine compartment wiring harness
# - up to May 2006
## - from June 2006
Audi Q7 Current Flow Diagram No. 4 / 11
Page 10 of 18WI-XML
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Engine control unit, engine speed sender, Hall sender, radiator outlet coolant temperature senderG28 - Engine speed sender
G40 - Hall sender
G83 - Radiator outlet coolant temperature sender
J623 - Engine control unit
T3i - 3-pin connector, grey, on engine speed sender
T10m - 10-pin connector, black, coupling station on electronics box, plenum chamber
T60 - 60-pin connector, black, on engine control unit
281 - Earth connection 1, in engine harness
* - models with manual gearbox
** - models with automatic gearbox
# - up to May 2006
## - from June 2006
Page 11 of 18WI-XML
Audi Q7 Current Flow Diagram No. 4 / 12
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orangers = pink
Engine control unit, brake light switch, clutch pedal switch, brake pedal switchF - Brake light switch
F47 - Brake pedal switch
J104 - ABS control unit
J508 - Brake light suppression relay
J623 - Engine control unit
SC5 - Fuse 5 on fuse holder C
SC6 - Fuse 6 on fuse holder C
SC8 - Fuse 8 on fuse holder C
SC11 - Fuse 11 on fuse holder C
T10c - 10-pin connector, pink, coupling station on electronics box, plenum chamber
T10d - 10-pin connector, blue, coupling station on electronics box, plenum chamber
T47a - 47-pin connector, on ABS control unit
T94 - 94-pin connector, black, on engine control unit
377 - Earth connection 12, in main wiring harness
664 - Earth point, on left behind dash panel
B163 - Positive connection 1 (15), in interior wiring harness
B300 - Positive connection 4 (30), in main wiring harness
B336 - Connection 2 (54), in main wiring harness
* - relay and fuse carrier centre dash panel
# - up to May 2006
## - from June 2006
Audi Q7 Current Flow Diagram No. 4 / 13
Page 12 of 18WI-XML
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Engine control unit, lambda probe, exhaust gas temperature sender 1, exhaust gas pressure sensor 1, temperature sender before particulate filterG39 - Lambda probe
G235 - Exhaust gas temperature sender 1
G450 - Exhaust gas pressure sensor 1
G506 - Temperature sender before particulate filter
J623 - Engine control unit
S11 - Fuse in relay plate fuse holder
T6r - 6-pin connector, black, for lambda probe
T94 - 94-pin connector, black, on engine control unit
Z19 - Lambda probe heater
D106 - Connection 4, in engine compartment wiring harness
Page 13 of 18WI-XML
Audi Q7 Current Flow Diagram No. 4 / 14
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orangers = pink
Engine control unit, fuel cooling pump relay, high pressure sender, fuel cooling pump relayG65 - High pressure sender
J255 - Climatronic control unit
J445 - Fuel cooling pump relay
J623 - Engine control unit
S13 - Fuse in relay plate fuse holder
T10d - 10-pin connector, blue, coupling station on electronics box, plenum chamber
T16d - 16-pin connector, black, connector D, on Climatronic control unit
T94 - 94-pin connector, black, on engine control unit
V166 - Fuel cooling pump
685 - Earth point 1, on front of right longitudinal member
D107 - Connection 5, in engine compartment wiring harness
* - Relay and fuse carrier, electronics box plenum chamber
Audi Q7 Current Flow Diagram No. 4 / 15
Page 14 of 18WI-XML
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Engine control unit, continued coolant circulation relay, coolant circulation pump, fuel pump relay for auxiliary heaterJ151 - Continued coolant circulation relay
J255 - Climatronic control unit
J623 - Engine control unit
J749 - Fuel pump relay for auxiliary heater
T6k - 6-pin connector, brown, coupling station on electronics box, plenum chamber
T10c - 10-pin connector, pink, coupling station on electronics box, plenum chamber
T10d - 10-pin connector, blue, coupling station on electronics box, plenum chamber
T16c - 16-pin connector, brown, connector C, on Climatronic control unit
T16d - 16-pin connector, black, connector D, on Climatronic control unit
T94 - 94-pin connector, black, on engine control unit
V50 - Coolant circulation pump
368 - Earth connection 3, in main wiring harness
640 - Earth point, left in engine compartment
B537 - Connection 28, in main wiring harness
* - relay and fuse carrier centre dash panel
** - Relay and fuse carrier, electronics box plenum chamber
# - up to May 2006
## - from June 2006
♦ - models with auxiliary heater
♦♦ - Air conditioning system basis
♦♦♦ - Convenience air conditioning system
Page 15 of 18WI-XML
Audi Q7 Current Flow Diagram No. 4 / 16
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orangers = pink
Engine control unit, fuel pump relay, radiator fan control unit, radiator fanJ17 - Fuel pump relay
J293 - Radiator fan control unit
J623 - Engine control unit
J671 - Radiator fan control unit 2
S1 - Fuse in relay plate fuse holder
S4 - Fuse in relay plate fuse holder
S8 - Fuse in relay plate fuse holder
S16 - Fuse in relay plate fuse holder
S17 - Fuse in relay plate fuse holder
T10c - 10-pin connector, pink, coupling station on electronics box, plenum chamber
T94 - 94-pin connector, black, on engine control unit
V7 - Radiator fan
V177 - Radiator fan 2
671 - Earth point 1, on front of left longitudinal member
D109 - Connection 7, in engine compartment wiring harness
* - Relay and fuse carrier, electronics box plenum chamber
# - up to May 2006
## - from June 2006
♦ - models with auxiliary heater
Audi Q7 Current Flow Diagram No. 4 / 17
Page 16 of 18WI-XML
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Control unit in dash panel insert, fuel gauge sender, fuel gauge, fuel system pressurisation pump, fuel gauge sender 2G - Fuel gauge sender
G1 - Fuel gauge
G6 - Fuel system pressurisation pump
G23 - Fuel pump
G169 - Fuel gauge sender 2
J285 - Control unit in dash panel insert
T4k - 4-pin connector, black, under left cover on rear vehicle floor
T4l - 4-pin connector, black, on left fuel tank
T4m - 4-pin connector, black, on right fuel tank
T5k - 5-pin connector, black, under left cover on rear vehicle floor
T32a - 32-pin connector, grey, on control unit in dash panel insert
Y24 - Display in dash panel insert
61 - Earth point, left C-pillar
410 - Earth connection 1 (sender earth), in main wiring harness
* - output sender earth
# - up to May 2006
## - only tank prewiring
Page 17 of 18WI-XML
Audi Q7 Current Flow Diagram No. 4 / 18
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orangers = pink
Control unit in dash panel insert, oil pressure switch, coolant shortage indicator switch, oil level and oil temperature sender, oil pressure warning lamp, coolant temperature and coolant shortage warning lampF1 - Oil pressure switch
F66 - Coolant shortage indicator switch
G266 - Oil level and oil temperature sender
J285 - Control unit in dash panel insert
J533 - Data bus diagnostic interface
K3 - Oil pressure warning lamp
K28 - Coolant temperature and coolant shortage warning lamp
SB6 - Fuse 6 on fuse holder B
SB7 - Fuse 7 on fuse holder B
SB8 - Fuse 8 on fuse holder B
T10f - 10-pin connector, red, coupling station on electronics box, plenum chamber
T26b - 26-pin connector, black, connector B, on data bus diagnostic interface
T32a - 32-pin connector, grey, on control unit in dash panel insert
Y24 - Display in dash panel insert
45 - Earth point, centre behind dash panel
378 - Earth connection 13, in main wiring harness
• - CAN bus (data wire)
# - up to May 2006
## - from June 2006
♦ - up to May 2007
♦♦ - from June 2007
Page 18 of 18WI-XML