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Wiring Diagram VW TOUAREG 2005 - Starter - Alternator - Battery parallel circuit relay - Terminal 30 wiring junction
| A | Battery |
| A1 | Second battery |
| B | Starter |
| C | Alternator |
| J581 | Battery parallel circuit relay |
| J710 | Voltage supply relay 2 |
| SD8 | Fuse 8 on fuse holder D |
| SD11 | Fuse 11 on fuse holder D |
| S16 | Fuse 16 in fuse holder |
| S65 | 2nd battery fuse |
| T2 | 2-pin connector |
| T6ma | 6-pin connector, in E-box in engine compartment |
| T10d | 10-pin connector, in E-box in engine compartment |
| T10f | 10-pin connector, in E-box in engine compartment |
| T10ma | 10-pin connector, in E-box in engine compartment |
| TV2 | Terminal 30 wiring junction |
| TV15 | Wiring connector, in E-box in engine compartment |
| TV22 | Terminal 30 wiring junction 2, under seat on front left |
| TV29 | Terminal 30 wiring junction 4 |
| 39 | Earth point, on left under rear seat |
| 49 | Earth point, near ... |
| D97 | Connection (50), in engine compartment right wiring harness |
Wiring Diagram VW TOUAREG 2005 - Terminal 50 voltage supply relay - Voltage supply relay 1
| J518 | Entry and start authorisation control unit |
| J519 | Onboard supply control unit |
| J682 | Terminal 50 voltage supply relay |
| J701 | Voltage supply relay 1 |
| T10c | 10-pin connector, in E-box in engine compartment |
| T10d | 10-pin connector, in E-box in engine compartment |
| T18 | 18-pin connector |
| T81 | 81-pin connector |
| 201 | Earth connection 5, in engine compartment wiring harness |
| 647 | Earth point 3, on bulkhead |
| D75 | Positive connection 2 (30), in engine compartment wiring harness |
| D108 | Connection 6 in engine compartment wiring harness |
| D144 | Positive connection 5 (30), in engine compartment wiring harness |
Wiring Diagram VW TOUAREG 2005 - Terminal 30 voltage supply relay - Terminal 30 voltage supply relay 2 - Fuses in fuse holder
| J317 | Terminal 30 voltage supply relay |
| J689 | Terminal 30 voltage supply relay 2 |
| S | Fuses in fuse holder |
| S1 | Fuse 1 in fuse holder |
| S2 | Fuse 2 in fuse holder |
| S8 | Fuse 8 in fuse holder |
| S9 | Fuse 9 in fuse holder |
| S10 | Fuse 10 in fuse holder |
| S11 | Fuse 11 in fuse holder |
| S12 | Fuse 12 in fuse holder |
| S13 | Fuse 13 in fuse holder |
| S15 | Fuse 15 in fuse holder |
| S17 | Fuse 17 in fuse holder |
| D75 | Positive connection 2 (30), in engine compartment wiring harness |
| D109 | Connection 7 in engine compartment wiring harness |
| D112 | Connection 10 in engine compartment wiring harness |
| * | According to equipment |
Wiring Diagram VW TOUAREG 2005 - Automatic glow period control unit - Fuses in fuse holder
| J179 | Automatic glow period control unit |
| S | Fuses in fuse holder |
| S2 | Fuse 2 in fuse holder |
| S3 | Fuse 3 in fuse holder |
| S4 | Fuse 4 in fuse holder |
| S6 | Fuse 6 in fuse holder |
| S7 | Fuse 7 in fuse holder |
| D50 | Positive connection (30), in engine compartment wiring harness |
| D112 | Connection 10 in engine compartment wiring harness |
| D113 | Connection 11 in engine compartment wiring harness |
Wiring Diagram VW TOUAREG 2005 - Automatic glow period control unit - Engine control unit
| J179 | Automatic glow period control unit |
| J623 | Engine control unit |
| Q10 | Glow plug 1 |
| Q11 | Glow plug 2 |
| Q12 | Glow plug 3 |
| Q13 | Glow plug 4 |
| Q14 | Glow plug 5 |
| T5mg | 5-pin connector, on front of engine |
| T10ma | 10-pin connector, in E-box in engine compartment |
| T60aa | 60-pin connector |
| T94aa | 94-pin connector |
| D111 | Connection 9 in engine compartment wiring harness |
Wiring Diagram VW TOUAREG 2005 - Fuel temperature sender - Engine control unit
| G81 | Fuel temperature sender |
| J623 | Engine control unit |
| N240 | Unit injector valve, No. 1 cyl. |
| N241 | Unit injector valve, No. 2 cyl. |
| N242 | Unit injector valve, No. 3 cyl. |
| N243 | Unit injector valve, No. 4 cyl. |
| N244 | Unit injector valve, No. 5 cyl. |
| T6mp | 6-pin connector |
| T60aa | 60-pin connector |
| D95 | Connection (injectors), in engine compartment wiring harness |
| E48 | Connection (injectors), in injection system wiring harness |
Wiring Diagram VW TOUAREG 2005 - Map-controlled engine cooling system thermostat - Oil level and oil temperature sender - Engine control unit - Particulate filter additive pump - Intake manifold flap motor
| F265 | Map-controlled engine cooling system thermostat |
| G266 | Oil level and oil temperature sender |
| J255 | Climatronic control unit |
| J623 | Engine control unit |
| T6dv | 6-pin connector, near container for additive |
| T6ma | 6-pin connector, in E-box in engine compartment |
| T10d | 10-pin connector, in E-box in engine compartment |
| T10e | 10-pin connector, in E-box in engine compartment |
| T10f | 10-pin connector, in E-box in engine compartment |
| T60aa | 60-pin connector |
| T94aa | 94-pin connector |
| V135 | Particulate filter additive pump |
| V157 | Intake manifold flap motor |
| 131 | Earth connection 2, in engine compartment wiring harness |
| D107 | Connection 5 in engine compartment wiring harness |
| E30 | Connection (87a), in engine wiring harness |
| * | From November 2004 |
Wiring Diagram VW TOUAREG 2005 - Engine speed sender - Hall sender - Coolant temperature sender - Engine control unit
| G28 | Engine speed sender |
| G40 | Hall sender |
| G62 | Coolant temperature sender |
| J623 | Engine control unit |
| T60aa | 60-pin connector |
| D101 | Connection 1 in engine compartment wiring harness |
| D102 | Connection 2 in engine compartment wiring harness |
| * | From November 2004 |
Wiring Diagram VW TOUAREG 2005 - Exhaust gas recirculation potentiometer - Exhaust gas pressure sensor 1 - Engine control unit - Exhaust gas recirculation valve
| G212 | Exhaust gas recirculation potentiometer |
| G450 | Exhaust gas pressure sensor 1 |
| J623 | Engine control unit |
| N18 | Exhaust gas recirculation valve |
| T10mb | 10-pin connector, in E-box in engine compartment |
| T60aa | 60-pin connector |
| T94aa | 94-pin connector |
| * | From November 2004 |
Wiring Diagram VW TOUAREG 2005 - Intake air temperature sender - Radiator outlet coolant temperature sender - Temperature sender before particulate filter - Temperature sender before turbocharger - Engine control unit
| G31 | Charge pressure sender |
| G42 | Intake air temperature sender |
| G83 | Radiator outlet coolant temperature sender |
| G504 | Fuel additive tank sender |
| G506 | Temperature sender before particulate filter |
| G507 | Temperature sender before turbocharger |
| J623 | Engine control unit |
| T6dv | 6-pin connector, near container for additive |
| T10e | 10-pin connector, in E-box in engine compartment |
| T10ma | 10-pin connector, in E-box in engine compartment |
| T10mb | 10-pin connector, in E-box in engine compartment |
| T60aa | 60-pin connector |
| T94aa | 94-pin connector |
Wiring Diagram VW TOUAREG 2005 - Brake light switch - Brake pedal switch - Lambda probe - Engine control unit
| F | Brake light switch |
| F47 | Brake pedal switch |
| G39 | Lambda probe |
| J623 | Engine control unit |
| SB38 | Fuse 38 on fuse holder B |
| T6mb | 6-pin connector, in rear of engine compartment |
| T10c | 10-pin connector, in E-box in engine compartment |
| T94aa | 94-pin connector |
| Z19 | Lambda probe heater |
| B335 | Connection 1 (54), in main wiring harness |
| D117 | Connection 15 in engine compartment wiring harness |
Wiring Diagram VW TOUAREG 2005 - Kickdown switch - Idling speed switch - Accelerator position sender - Engine control unit
| F8 | Kickdown switch |
| F60 | Idling speed switch |
| G70 | Air mass meter |
| G79 | Accelerator position sender |
| J623 | Engine control unit |
| SB26 | Fuse 26 on fuse holder B |
| T10d | 10-pin connector, in E-box in engine compartment |
| T10e | 10-pin connector, in E-box in engine compartment |
| 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 2005 - Radiator fan control unit - Engine control unit - Radiator fan control unit 2
| J293 | Radiator fan control unit |
| J623 | Engine control unit |
| J671 | Radiator fan control unit 2 |
| N345 | Exhaust gas recirculation cooler changeover valve |
| T6ma | 6-pin connector, in E-box in engine compartment |
| T10c | 10-pin connector |
| T60aa | 60-pin connector |
| T94aa | 94-pin connector |
| V7 | Radiator fan |
| V177 | Radiator fan 2 |
| 12 | Earth point, on left in engine compartment |
| D106 | Connection 4 in engine compartment wiring harness |
| * | According to equipment |
Wiring Diagram VW TOUAREG 2005 - Fuel pump relay - Additional coolant pump relay - Engine control unit - Tank circuit pressurisation relay - Continued coolant circulation pump
| G65 | High-pressure sender |
| J17 | Fuel pump relay |
| J496 | Additional coolant pump relay |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| J715 | Tank circuit pressurisation relay |
| T6k | 6-pin connector |
| T10c | 10-pin connector, in E-box in engine compartment |
| T10f | 10-pin connector, in E-box in engine compartment |
| T18 | 18-pin connector |
| T94aa | 94-pin connector |
| V51 | Continued coolant circulation pump |
| 85 | Earth connection 1, in engine compartment wiring harness |
| 646 | Earth point 2, on bulkhead |
| D78 | Positive connection 1 (30a), in engine compartment wiring harness |
| D103 | Connection 3 in engine compartment wiring harness |
| D122 | Connection 20 in engine compartment wiring harness |
| D123 | Connection 21 in engine compartment wiring harness |
| D129 | Connection 27 in engine compartment wiring harness |
| * | Only models with auxiliary coolant heater |
Wiring Diagram VW TOUAREG 2005 - Fuel cooling pump relay - Engine control unit - Engine control unit 2 - Turbocharger 1 control unit - Turbocharger 2 control unit - Fuel cooling pump
| J445 | Fuel cooling pump relay |
| J623 | Engine control unit |
| J624 | Engine control unit 2 |
| J724 | Turbocharger 1 control unit |
| J725 | Turbocharger 2 control unit |
| T5ma | 5-pin connector, on front of engine |
| T6ma | 6-pin connector, in E-box in engine compartment |
| T10ma | 10-pin connector, in E-box in engine compartment |
| T60aa | 60-pin connector |
| T94aa | 94-pin connector |
| V166 | Fuel cooling pump |
| V280 | Turbocharger 1 control motor |
| V281 | Turbocharger 2 control motor |
| 85 | Earth connection 1, in engine compartment wiring harness |
| 132 | Earth connection 3, in engine compartment wiring harness |
| D78 | Positive connection 1 (30a), in engine compartment wiring harness |
| D103 | Connection 3 in engine compartment wiring harness |
| D130 | Connection 28 in engine compartment wiring harness |
| D159 | Connection (high bus), in engine compartment wiring harness |
| D160 | Connection (low bus), in engine compartment wiring harness |
| * | From November 2004 |
Wiring Diagram VW TOUAREG 2005 - Engine control unit 2 - Air conditioner compressor regulating valve - Intake manifold flap 2 motor
| J255 | Climatronic control unit |
| J624 | Engine control unit 2 |
| N280 | Air conditioner compressor regulating valve |
| T10f | 10-pin connector, in E-box in engine compartment |
| T60ab | 60-pin connector |
| T94ab | 94-pin connector |
| V275 | Intake manifold flap 2 motor |
| 132 | Earth connection 3, in engine compartment wiring harness |
| 167 | Earth connection 4, in engine compartment wiring harness |
| 646 | Earth point 2, on bulkhead |
| D130 | Connection 28 in engine compartment wiring harness |
| * | From November 2004 |
Wiring Diagram VW TOUAREG 2005 - Engine control unit 2
| J624 | Engine control unit 2 |
| T10d | 10-pin connector, in E-box in engine compartment |
| T60ab | 60-pin connector |
| T94ab | 94-pin connector |
| B509 | Connection 3 (diagnosis), in main wiring harness |
| D166 | Connection (K-diagnosis wire), in engine compartment wiring harness |
| D178 | Connection 2 (high bus), in engine compartment wiring harness |
| D179 | Connection 2 (low bus), in engine compartment wiring harness |
| * | From November 2004 |
Wiring Diagram VW TOUAREG 2005 - Lambda probe 2 - Air mass meter 2 - Charge pressure sender 2 - Engine control unit 2
| G108 | Lambda probe 2 |
| G229 | Rear height adjustment sender for driver seat |
| G246 | Air mass meter 2 |
| G447 | Charge pressure sender 2 |
| J624 | Engine control unit 2 |
| T6mc | 6-pin connector, in rear of engine compartment |
| T94ab | 94-pin connector |
| Z28 | Lambda probe heater 2 |
Wiring Diagram VW TOUAREG 2005 - Exhaust gas recirculation potentiometer 2 - Temperature sender 2 before particulate filter - Temperature sender 2 before turbocharger - Temperature sender before turbocharger - Engine control unit 2
| G466 | Exhaust gas recirculation potentiometer 2 |
| G498 | Temperature sender 2 before particulate filter |
| G499 | Temperature sender 2 before turbocharger |
| G506 | Temperature sender before particulate filter |
| G507 | Temperature sender before turbocharger |
| J624 | Engine control unit 2 |
| N213 | Exhaust gas recirculation valve 2 |
| T10mb | 10-pin connector, in E-box in engine compartment |
| T60ab | 60-pin connector |
| T94ab | 94-pin connector |
| * | According to equipment |
| *2 | From November 2004 |
Wiring Diagram VW TOUAREG 2005 - Exhaust gas pressure sensor 2 - Engine control unit 2 - Exhaust gas recirculation cooler changeover valve 2
| G451 | Exhaust gas pressure sensor 2 |
| J624 | Engine control unit 2 |
| N381 | Exhaust gas recirculation cooler changeover valve 2 |
| T6ma | 6-pin connector, in E-box in engine compartment |
| T10mb | 10-pin connector, in E-box in engine compartment |
| T60ab | 60-pin connector |
| T94ab | 94-pin connector |
| D110 | Connection 8 in engine compartment wiring harness |
| * | From November 2004 |
Wiring Diagram VW TOUAREG 2005 - Engine control unit 2 - Unit injector valve - No. 6 cyl. - Unit injector valve - No. 7 cyl. - Unit injector valve - No. 8 cyl. - Unit injector valve - No. 9 cyl. - Unit injector valve - No. 10 cyl.
| J624 | Engine control unit 2 |
| N245 | Unit injector valve, No. 6 cyl. |
| N303 | Unit injector valve, No. 7 cyl. |
| N304 | Unit injector valve, No. 8 cyl. |
| N305 | Unit injector valve, No. 9 cyl. |
| N306 | Unit injector valve, No. 10 cyl. |
| T7mp | 7-pin connector |
| T60ab | 60-pin connector |
| D137 | Connection 2 (injectors), in engine compartment wiring harness |
| E55 | Connection 2 (injectors), in injection system wiring harness |
Wiring Diagram VW TOUAREG 2005 - Engine control unit 2 - Glow period control unit 2 - Glow plug 6 - Glow plug 7 - Glow plug 8 - Glow plug 9 - Glow plug 10
| J624 | Engine control unit 2 |
| J703 | Glow period control unit 2 |
| Q15 | Glow plug 6 |
| Q16 | Glow plug 7 |
| Q17 | Glow plug 8 |
| Q18 | Glow plug 9 |
| Q19 | Glow plug 10 |
| T5mk | 5-pin connector, on front of engine |
| T94ab | 94-pin connector |
Wiring Diagram VW TOUAREG 2005 - Oil pressure switch - Control unit in dash panel insert - Data bus diagnostic interface
| F1 | Oil pressure switch |
| J285 | Control unit in dash panel insert |
| J533 | Data bus diagnostic interface |
| T10f | 10-pin connector, in E-box in engine compartment |
| T16b | 16-pin connector |
| T32a | 32-pin connector |
| T32b | 32-pin connector |
| U31 | Diagnostic connection |
| B344 | Connection 1 (61), in main wiring harness |
| B385 | Connection 3 (powertrain CAN bus, high), in main wiring harness |
| B392 | Connection 3 (powertrain CAN bus, low), in main wiring harness |
| B444 | Connection 1 (diagnosis), in main wiring harness |
| B486 | Connection 22, in main wiring harness |
Wiring Diagram VW TOUAREG 2005 - Fuel system pressurisation pump - Fuel pump - Coolant shortage indicator sender - Control unit in dash panel insert
| G | Fuel gauge sender |
| G6 | Fuel system pressurisation pump |
| G23 | Fuel pump |
| G32 | Coolant shortage indicator sender |
| G237 | Fuel gauge sender 3 |
| J285 | Control unit in dash panel insert |
| T4af | 4-pin connector |
| T5k | 5-pin connector |
| T32a | 32-pin connector |
| 39 | Earth point, on left under rear seat |
| 410 | Earth connection 1 (sender earth) in main wiring harness |
| B429 | Connection (EFPR), in main wiring harness |