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Wiring Diagram VW TOUAREG 2005 - Starter - Alternator - Terminal 50 voltage supply relay
| A | Battery |
| B | Starter |
| C | Alternator |
| J518 | Entry and start authorisation control unit |
| J682 | Terminal 50 voltage supply relay |
| T6ma | 6-pin connector |
| T10c | 10-pin connector, in E-box in engine compartment |
| T10d | 10-pin connector, in E-box in engine compartment |
| T10f | 10-pin connector |
| T10ma | 10-pin connector |
| TV2 | Terminal 30 wiring junction |
| T81 | 81-pin connector |
| 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 |
| * | According to equipment |
Wiring Diagram VW TOUAREG 2005 - Terminal 30 voltage supply relay - Fuse in relay plate fuse holder
| J317 | Terminal 30 voltage supply relay |
| S | Fuse in relay plate fuse holder, in engine compartment |
| S1 | Fuse 1 in fuse holder |
| S2 | Fuse 2 in fuse holder |
| S3 | Fuse 3 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 |
| D50 | Positive connection (30), in engine compartment wiring harness |
| D75 | Positive connection 2 (30), in engine compartment wiring harness |
| D109 | Connection 7 in engine compartment wiring harness |
| D113 | Connection 11 in engine compartment wiring harness |
Wiring Diagram VW TOUAREG 2005 - Glow plug relay - Additional coolant pump relay
| J52 | Glow plug relay |
| J160 | Circulation pump relay |
| J496 | Additional coolant pump relay |
| 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 engine mounting |
| T6k | 6-pin connector |
| D98 | Connection (glow plugs), in engine compartment wiring harness |
| D103 | Connection 3 in engine compartment wiring harness |
Wiring Diagram VW TOUAREG 2005 - Oil level and oil temperature sender - Fuel pump relay - Fuel cooling pump relay - Tank circuit pressurisation relay - Fuel cooling pump
| G266 | Oil level and oil temperature sender |
| J17 | Fuel pump relay |
| J445 | Fuel cooling pump relay |
| J519 | Onboard supply control unit |
| J715 | Tank circuit pressurisation relay |
| T6k | 6-pin connector |
| T6ma | 6-pin connector |
| T10c | 10-pin connector |
| T10f | 10-pin connector, in E-box in engine compartment |
| T10ma | 10-pin connector, in E-box in engine compartment |
| T18 | 18-pin connector |
| V166 | Fuel cooling pump |
| 85 | Earth connection 1, in engine compartment wiring harness |
| 646 | Earth point 2, on bulkhead |
| D122 | Connection 20 in engine compartment wiring harness |
| D123 | Connection 21 in engine compartment wiring harness |
| * | Only models with auxiliary coolant heater |
| *2 | According to equipment |
Wiring Diagram VW TOUAREG 2005 - Engine control unit
| J623 | Engine control unit |
| T10ma | 10-pin connector |
| T60aa | 60-pin connector |
| T94aa | 94-pin connector |
| 132 | Earth connection 3, in engine compartment wiring harness |
| 646 | Earth point 2, on bulkhead |
| D111 | Connection 9 in engine compartment wiring harness |
Wiring Diagram VW TOUAREG 2005 - Engine control unit
| 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 - Engine speed sender - Hall sender - Coolant temperature sender - Fuel temperature sender - Radiator outlet coolant temperature sender - Engine control unit
| G28 | Engine speed sender |
| G40 | Hall sender |
| G62 | Coolant temperature sender |
| G81 | Fuel temperature sender |
| G83 | Radiator outlet coolant temperature sender |
| J623 | Engine control unit |
| T10ma | 10-pin connector, in E-box in engine compartment |
| T60aa | 60-pin connector |
Wiring Diagram VW TOUAREG 2005 - Kickdown switch - Idling speed switch - Intake air temperature sender - Accelerator position sender - Engine control unit
| F8 | Kickdown switch |
| F60 | Idling speed switch |
| G42 | Intake air temperature sender |
| G79 | Accelerator position sender |
| J527 | Steering column electronics control unit |
| J623 | Engine control unit |
| T10d | 10-pin connector, in E-box in engine compartment |
| T10e | 10-pin connector |
| T16a | 16-pin connector |
| T94aa | 94-pin connector |
| * | Only models with automatic gearbox |
| *2 | Only models with cruise control system (CCS) |
Wiring Diagram VW TOUAREG 2005 - Brake light switch - Clutch pedal switch - Brake pedal switch - Engine control unit
| F | Brake light switch |
| F36 | Clutch pedal switch |
| F47 | Brake pedal switch |
| J104 | ABS control unit |
| J623 | Engine control unit |
| SB26 | Fuse 26 on fuse holder B |
| SB38 | Fuse 38 on fuse holder B |
| T10c | 10-pin connector, in E-box in engine compartment |
| T10d | 10-pin connector, in E-box in engine compartment |
| 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 |
| D52 | Positive connection (15a), in engine compartment wiring harness |
| * | Only models with manual gearbox |
| *2 | According to equipment |
| *3 | From November 2003 |
Wiring Diagram VW TOUAREG 2005 - Air mass meter - Engine control unit - Radiator fan control unit 2
| G70 | Air mass meter |
| J623 | Engine control unit |
| J671 | Radiator fan control unit 2 |
| T94aa | 94-pin connector |
| V177 | Radiator fan 2 |
| 12 | Earth point, on left in engine compartment |
| D52 | Positive connection (15a), in engine compartment wiring harness |
| D106 | Connection 4 in engine compartment wiring harness |
| * | From August 2004 |
Wiring Diagram VW TOUAREG 2005 - Engine control unit - Exhaust gas recirculation valve - Charge pressure control solenoid valve
| G65 | High-pressure sender |
| J623 | Engine control unit |
| N18 | Exhaust gas recirculation valve |
| N75 | Charge pressure control solenoid valve |
| N79 | Heater element for crankcase breather |
| N239 | Variable intake manifold flap changeover valve |
| N345 | Exhaust gas recirculation cooler changeover valve |
| T10ma | 10-pin connector |
| T60aa | 60-pin connector |
| T94aa | 94-pin connector |
| 209 | Earth connection 6, in engine compartment wiring harness |
| 647 | Earth point 3, on bulkhead |
| D106 | Connection 4 in engine compartment wiring harness |
| D129 | Connection 27 in engine compartment wiring harness |
| * | Only models with automatic gearbox |
| *2 | From August 2004 |
Wiring Diagram VW TOUAREG 2005 - Radiator fan control unit - Engine control unit - Diagnostic connection
| J255 | Climatronic control unit |
| J293 | Radiator fan control unit |
| J301 | Air conditioning system control unit |
| J623 | Engine control unit |
| N280 | Air conditioner compressor regulating valve |
| T6ma | 6-pin connector |
| T10d | 10-pin connector |
| T16b | 16-pin connector |
| T94aa | 94-pin connector |
| U31 | Diagnostic connection |
| V7 | Radiator fan |
| 12 | Earth point, on left in engine compartment |
| 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 |
| B509 | Connection 3 (diagnosis), in main wiring harness |
| D106 | Connection 4 in engine compartment wiring harness |
Wiring Diagram VW TOUAREG 2005 - Oil pressure switch - Coolant shortage indicator sender - Dash panel insert
| F1 | Oil pressure switch |
| G32 | Coolant shortage indicator sender |
| J285 | Control unit in dash panel insert |
| J533 | Data bus diagnostic interface |
| K | Dash panel insert |
| T2 | 2-pin connector |
| T10f | 10-pin connector |
| T32a | 32-pin connector |
| T32b | 32-pin connector |
| 410 | Earth connection 1 (sender earth) 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 |
Wiring Diagram VW TOUAREG 2005 - Fuel gauge sender - Fuel system pressurisation pump - Dash panel insert
| G | Fuel gauge sender |
| G6 | Fuel system pressurisation pump |
| G23 | Fuel pump |
| G237 | Fuel gauge sender 3 |
| J285 | Control unit in dash panel insert |
| K | 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 |