VW TOUAREG 2007 – 3.0 l/155 kW TDI, engine code BUN . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW TOUAREG 2007 - Starter - alternator - terminal 50 voltage supply relay - terminal 30 wiring junction

A	Battery
B	Starter
C	Alternator
C1	Voltage regulator
J518	Entry and start authorisation control unit
J682	Terminal 50 voltage supply relay
T1v	Single connector
T2gd	2-pin connector, black
T6ma	6-pin connector, white, on electronics box engine compartment
T10c	10-pin connector, pink, electronics box engine compartment
T10d	10-pin connector, blue, electronics box engine compartment
T10f	10-pin connector, red, electronics box engine compartment
T81	81-pin connector
TV2	Terminal 30 wiring junction
U6	Slave start socket
D50	Positive connection (30), in engine compartment wiring harness
D75	Positive connection 2 (30), in engine compartment wiring harness
D108	Connection 6, in engine compartment wiring harness

Wiring Diagram VW TOUAREG 2007 - Terminal 30 voltage supply relay - fuses

J317	Terminal 30 voltage supply relay
S1	Fuse in relay plate fuse holder, in engine compartment
S2	Fuse in relay plate fuse holder, in engine compartment
S7	Fuse in relay plate fuse holder, in engine compartment
S9	Fuse in relay plate fuse holder, in engine compartment
S10	Fuse in relay plate fuse holder, in engine compartment
S11	Fuse in relay plate fuse holder, in engine compartment
S12	Fuse in relay plate fuse holder, in engine compartment
S13	Fuse in relay plate fuse holder, in engine compartment
S15	Fuse in relay plate fuse holder, in engine compartment
S17	Fuse in relay plate fuse holder, in engine compartment
D75	Positive connection 2 (30), in engine compartment wiring harness
E30	Connection (87a), in engine wiring harness

Wiring Diagram VW TOUAREG 2007 - Automatic glow period control unit - diesel direct injection system control unit - glow plugs 1-6

J179	Automatic glow period control unit
J248	Diesel direct injection system 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
T6bk	6-pin connector, on holder coupling point glow plugs, on motor right
T10ma	10-pin connector, black, electronics box engine compartment
T11	11-pin connector
T94aa	94-pin connector
132	Earth connection 3, in engine compartment wiring harness
646	Earth point 2, on bulkhead
D104	Positive connection 2 (30a), in engine compartment wiring harness
D121	Connection 19, in engine compartment wiring harness

Wiring Diagram VW TOUAREG 2007 - Diesel direct injection system control unit - radiator fan control unit - radiator fan control unit 2 - radiator fan - radiator fan 2

J248	Diesel direct injection system control unit
J255	Climatronic control unit
J293	Radiator fan control unit
J671	Radiator fan control unit 2
T4be	4-pin connector, black
T4bf	4-pin connector, black
T10d	10-pin connector, blue, electronics box engine compartment
T17	17-pin connector, on heater
T94aa	94-pin connector
V7	Radiator fan
V177	Radiator fan 2
12	Earth point, on left in engine compartment
D121	Connection 19, in engine compartment wiring harness

Wiring Diagram VW TOUAREG 2007 - Fuel pump relay - diesel direct injection system control unit - tank circuit pressurisation relay - air conditioning system compressor regulating valve

J17	Fuel pump relay
J248	Diesel direct injection system control unit
J255	Climatronic control unit
J301	Air conditioning system control unit
J519	Onboard supply control unit
J715	Tank circuit pressurisation relay
N280	Air conditioning system compressor regulating valve
T2cf	2-pin connector, black
T6k	6-pin connector, electronics box engine compartment
T6ma	6-pin connector, electronics box engine compartment
T10c	10-pin connector, pink, electronics box engine compartment
T10f	10-pin connector, red, electronics box engine compartment
T10i	10-pin connector, on heater
T17	17-pin connector, on heater
T18	18-pin connector
T94aa	94-pin connector
D103	Connection 3, in engine compartment wiring harness
D121	Connection 19, in engine compartment wiring harness
D122	Connection 20, in engine compartment wiring harness
*	only auxiliary coolant heater with can operated independently
**	only models with Climatronic

Wiring Diagram VW TOUAREG 2007 - Charge air pressure sender - intake air temperature sender - exhaust gas pressure sensor 1 - diesel direct injection system control unit - high pressure sender - additional coolant pump relay

G31	Charge air pressure sender
G42	Intake air temperature sender
G65	High pressure sender
G450	Exhaust gas pressure sensor 1
J248	Diesel direct injection system control unit
J255	Climatronic control unit
J301	Air conditioning system control unit
J496	Additional coolant pump relay
T3bc	3-pin connector, black
T3bf	3-pin connector, black
T4cq	4-pin connector, black
T6k	6-pin connector, brown, electronics box engine compartment
T6ma	6-pin connector, white, on electronics box engine compartment
T10c	10-pin connector, pink, electronics box engine compartment
T10d	10-pin connector, blue, electronics box engine compartment
T10i	10-pin connector, on heater
T17	17-pin connector, on heater
T60aa	60-pin connector
T94aa	94-pin connector
647	Earth point 3, on bulkhead
D144	Positive connection 5 (30), in engine compartment wiring harness
D181	Connection 2 (87a), in engine compartment wiring harness
*	only models with Climatronic

Wiring Diagram VW TOUAREG 2007 - Hall sender - diesel direct injection system control unit - throttle valve module - residual heat relay - circulation pump

G40	Hall sender
J248	Diesel direct injection system control unit
J255	Climatronic control unit
J301	Air conditioning system control unit
J338	Throttle valve module
J708	Residual heat relay
SB2	Fuse 2 on fuse holder B
T2ck	2-pin connector, black
T3bk	3-pin connector, black
T6bs	6-pin connector
T14g	14-pin connector, black
T60aa	60-pin connector
V55	Circulation pump
32	Earth point, on left behind dash panel insert
167	Earth connection 4, in engine compartment wiring harness
201	Earth connection 5, in engine compartment wiring harness
373	Earth connection 8, in main wiring harness
374	Earth connection 9, in main wiring harness
640	Earth point, on left in engine compartment
*	only models with auxiliary heater (plenum)
**	only models with Climatronic

Wiring Diagram VW TOUAREG 2007 - Diesel direct injection system control unit - fuel pressure regulating valve - fuel metering valve - exhaust gas recirculation valve - fuel cooling pump

J248	Diesel direct injection system control unit
J445	Fuel cooling pump relay
J724	Turbocharger 1 control unit
N18	Exhaust gas recirculation valve
N276	Fuel pressure regulating valve
N290	Fuel metering valve
N345	Exhaust gas recirculation cooler change-over valve
T2bi	2-pin connector, black
T2bm	2-pin connector, black
T2ec	2-pin connector
T2en	2-pin connector
T2gz	2-pin connector
T4cs	4-pin connector, black
T10ma	10-pin connector, black, electronics box engine compartment
T60aa	60-pin connector
T94aa	94-pin connector
V166	Fuel cooling pump
281	Earth connection 1, in engine harness
D109	Connection 7, in engine compartment wiring harness
D110	Connection 8, in engine compartment wiring harness

Wiring Diagram VW TOUAREG 2007 - Engine speed sender - diesel direct injection system control unit - intake manifold flap motor - intake manifold flap 2 motor

G28	Engine speed sender
J248	Diesel direct injection system control unit
T3bo	3-pin connector, grey, in engine compartment
T4ci	4-pin connector
T4cj	4-pin connector
T10ma	10-pin connector, black, electronics box engine compartment
T60aa	60-pin connector
T94aa	94-pin connector
V157	Intake manifold flap motor
V275	Intake manifold flap 2 motor
281	Earth connection 1, in engine harness
645	Earth point 1, on bulkhead
D109	Connection 7, in engine compartment wiring harness
*	models with automatic gearbox only

Wiring Diagram VW TOUAREG 2007 - Lambda probe - bank 1 exhaust gas temperature sender 2 - diesel direct injection system control unit - exhaust gas temperature sender 1 - gearbox input speed sender - lambda probe heater

G39	Lambda probe
G182	Gearbox input speed sender
G235	Exhaust gas temperature sender 1
G448	Bank 1 exhaust gas temperature sender 2
J248	Diesel direct injection system control unit
T2bv	2-pin connector
T2cx	2-pin connector
T3bt	3-pin connector
T6mb	6-pin connector, in engine compartment
T8u	8-connector, black, coupling point gearbox
T10e	10-pin connector, green, electronics box engine compartment
T94aa	94-pin connector
Z19	Lambda probe heater
250	Earth connection, in diesel engine wiring harness
*	only models with manual gearbox

Wiring Diagram VW TOUAREG 2007 - Accelerator position sender - accelerator position sender 2 - fuel pressure sender - diesel direct injection system control unit - injector - cylinder 1

G79	Accelerator position sender
G185	Accelerator position sender 2
G247	Fuel pressure sender
J248	Diesel direct injection system control unit
N30	Injector, cylinder 1
T2go	2-pin connector, black
T3br	3-pin connector
T6t	6-pin connector, black
T10e	10-pin connector, green, electronics box engine compartment
T60aa	60-pin connector
T94aa	94-pin connector

Wiring Diagram VW TOUAREG 2007 - Diesel direct injection system control unit - injectors 2-6

J248	Diesel direct injection system control unit
N31	Injector, cylinder 2
N32	Injector, cylinder 3
N33	Injector, cylinder 4
N83	Injector, cylinder 5
N84	Injector, cylinder 6
T2gp	2-pin connector, black
T2gq	2-pin connector, black
T2gr	2-pin connector, black
T2hv	2-pin connector, black
T2hw	2-pin connector, black
T60aa	60-pin connector

Wiring Diagram VW TOUAREG 2007 - Coolant temperature sender - air mass meter - fuel temperature sender - adiator outlet coolant temperature sender - diesel direct injection system control unit

G62	Coolant temperature sender
G70	Air mass meter
G81	Fuel temperature sender
G83	Radiator outlet coolant temperature sender
J248	Diesel direct injection system control unit
T2eh	2-pin connector, black
T2el	2-pin connector, black
T2gw	2-pin connector, black
T5m	5-pin connector, black
T10d	10-pin connector, blue, electronics box engine compartment
T10ma	10-pin connector, black, electronics box engine compartment
T60aa	60-pin connector
T94aa	94-pin connector
B278	Positive connection 2 (15a), in main wiring harness
D52	Positive connection (15a), in engine compartment wiring harness

Wiring Diagram VW TOUAREG 2007 - Brake light switch - diesel direct injection system control unit - clutch pedal switch - brake pedal switch

F	Brake light switch
F36	Clutch pedal switch
F47	Brake pedal switch
J104	ABS control unit
J248	Diesel direct injection system control unit
J527	Steering column electronics control unit
SB26	Fuse 26 on fuse holder left
SB38	Fuse 38 on fuse holder left
T4b	4-pin connector
T4n	4-pin connector
T10c	10-pin connector, pink, electronics box engine compartment
T10d	10-pin connector, blue, electronics box engine compartment
T16a	16-pin connector
T47b	47-pin connector
T94aa	94-pin connector
B278	Positive connection 2 (15a), in main wiring harness
B289	Positive connection 13 (15a), in main wiring harness
B335	Connection 1 (54), in main wiring harness

Wiring Diagram VW TOUAREG 2007 - Oil pressure switch - diesel direct injection system control unit - control unit in dash panel insert - self-diagnosis connection

F1	Oil pressure switch
J248	Diesel direct injection system control unit
J285	Control unit in dash panel insert
J533	Data bus diagnostic interface
K	Dash panel insert
T1ac	Single connector
T10d	10-pin connector, blue, electronics box engine compartment
T10f	10-pin connector, red, electronics box engine compartment
T16b	16-pin connector, self-diagnosis connection, driver footwell
T32a	32-pin connector, blue
T32b	32-pin connector, green
T94aa	94-pin connector
B344	Connection 1 (61), in main wiring harness
B385	Connection 3 (drive train CAN bus, high), in main wiring harness
B392	Connection 3 (drive train CAN bus, low), in main wiring harness
B444	Connection 1 (diagnosis), in main wiring harness
B509	Connection 3 (diagnosis), in main wiring harness

Wiring Diagram VW TOUAREG 2007 - Fuel system pressurisation pump - fuel pump - coolant shortage indicator sender - fuel gauge sender 2 - oil level and oil temperature sender - fuel gauge sender

G	Fuel gauge sender
G6	Fuel system pressurisation pump
G23	Fuel pump
G32	Coolant shortage indicator sender
G169	Fuel gauge sender 2
G266	Oil level and oil temperature sender
J285	Control unit in dash panel insert
K	Dash panel insert
T2c	2-pin connector, black
T3bd	3-pin connector, black
T4ct	4-pin connector
T4cu	4-pin connector
T4af	4-pin connector, black, tank connection left
T5k	5-pin connector, black, right tank connection
T10f	10-pin connector, red, electronics box engine compartment
T10ma	10-pin connector, black, electronics box engine compartment
T32a	32-pin connector, blue
T32b	32-pin connector, green
39	Earth point, under rear left seat
410	Earth connection 1 (sender earth), in main wiring harness
B429	Connection (EFPR), in main wiring harness