Wiring Diagram VW TRANSPORTER 2017 - Battery - Starter - Alternator - Voltage regulator

| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| J367 | Battery monitor control unit |
| SA | Fuse holder A, in E-box in engine compartment |
| SA1 | Fuse 1 in fuse holder A |
| SA4 | Fuse 4 in fuse holder A |
| SA6 | Fuse 6 in fuse holder A |
| SA7 | Fuse 7 in fuse holder A |
| T2du | 2-pin connector, black |
| T10a | 10-pin connector, brown, in E-box in engine compartment |
| T10g | 10-pin connector, grey, in E-box in engine compartment |
| T10j | 10-pin connector, dark brown, in E-box in engine compartment |
| T10l | 10-pin connector, light green, in E-box in engine compartment |
| 14 | Earth point, on gearbox |
| 624 | Earth point, starter battery |
| D50 | Positive connection (30), in engine compartment wiring harness |
| D97 | Connection (50), in engine compartment right wiring harness |
| D210 | Connection (50), in engine compartment wiring harness |
| D218 | Connection 1 (LIN bus) in engine compartment wiring harness |
| * | Only models with manual gearbox |
| *2 | Only models with dual clutch gearbox (DSG) |
Wiring Diagram VW TRANSPORTER 2017 - Fuse holder B
| F4 | Reversing light switch |
| J329 | Terminal 15 voltage supply relay |
| SB | Fuse holder B, in E-box in engine compartment |
| SB2 | Fuse 2 on fuse holder B |
| SB3 | Fuse 3 on fuse holder B |
| SB4 | Fuse 4 on fuse holder B |
| SB15 | Fuse 15 on fuse holder B |
| SB20 | Fuse 20 on fuse holder B |
| SB30 | Fuse 30 on fuse holder B |
| SB35 | Fuse 35 on fuse holder B |
| T10 | 10-pin connector, black, in E-box in engine compartment |
| T10l | 10-pin connector, light green, in E-box in engine compartment |
| B165 | Positive connection 2 (15), in interior wiring harness |
| D17 | Positive connection 1 (15), in engine harness |
| D50 | Positive connection (30), in engine compartment wiring harness |
| E92 | Positive connection 3 (30), in engine compartment wiring harness |
| * | Only models with crankcase breather heater element |
| *2 | Only models with manual gearbox |
Wiring Diagram VW TRANSPORTER 2017 - Terminal 30 voltage supply relay - Engine control unit - Fuse holder B
| J317 | Terminal 30 voltage supply relay, in E-box |
| J623 | Engine control unit, in E-box in engine compartment |
| SB | Fuse holder B, in E-box in engine compartment |
| SB1 | Fuse 1 on fuse holder B |
| SB9 | Fuse 9 on fuse holder B |
| SB10 | Fuse 10 on fuse holder B |
| SB12 | Fuse 12 on fuse holder B |
| SB14 | Fuse 14 on fuse holder B |
| SB16 | Fuse 16 on fuse holder B |
| SB19 | Fuse 19 on fuse holder B |
| SB27 | Fuse 27 on fuse holder B |
| SB31 | Fuse 31 on fuse holder B |
| T94 | 94-pin connector, black |
| D50 | Positive connection (30), in engine compartment wiring harness |
| D101 | Connection 1 in engine compartment wiring harness |
| E92 | Positive connection 3 (30), in engine compartment wiring harness |
| * | Only models with manual gearbox |
Wiring Diagram VW TRANSPORTER 2017 - Automatic glow period control unit - Engine control unit - Fuse holder B
| J179 | Automatic glow period control unit, in E-box in engine compartment |
| J623 | Engine control unit, in E-box in engine compartment |
| Q10 | Glow plug 1 |
| Q11 | Glow plug 2 |
| Q12 | Glow plug 3 |
| Q13 | Glow plug 4 |
| SB | Fuse holder B, in E-box in engine compartment |
| SB32 | Fuse 32 on fuse holder B |
| SB33 | Fuse 33 on fuse holder B |
| T10e | 10-pin connector, white, in E-box in engine compartment |
| T11 | 11-pin connector, black |
| T94 | 94-pin connector, black |
| 131 | Earth connection 2, in engine compartment wiring harness |
| D101 | Connection 1 in engine compartment wiring harness |
| D113 | Connection 11 in engine compartment wiring harness |
| D144 | Positive connection 5 (30), in engine compartment wiring harness |
| D180 | Connection (87a), in engine compartment wiring harness |
Wiring Diagram VW TRANSPORTER 2017 - Hall sender - Coolant temperature sender - Charge pressure sender 2 - Additional coolant pump relay - Engine control unit - Heater element for crankcase breather
| G40 | Hall sender |
| G62 | Coolant temperature sender |
| G447 | Charge pressure sender 2 |
| J496 | Additional coolant pump relay, in E-box in engine compartment |
| J623 | Engine control unit, in E-box in engine compartment |
| J708 | Residual heat relay |
| N79 | Heater element for crankcase breather |
| T3bf | 3-pin connector, black, near alternator |
| T10h | 10-pin connector, orange, in E-box in engine compartment |
| T60 | 60-pin connector, black |
| T94 | 94-pin connector, black |
| 12 | Earth point, on left in engine compartment |
| 131 | Earth connection 2, in engine compartment wiring harness |
| 458 | Earth point 3, engine prewiring harness |
| D174 | Connection 2 (5V) in engine prewiring harness |
| D180 | Connection (87a), in engine compartment wiring harness |
| * | Only models with crankcase breather heater element |
Wiring Diagram VW TRANSPORTER 2017 - Engine speed sender - Throttle valve potentiometer - Fuel temperature sender - Fuel pressure sender - Throttle valve module - Engine control unit - Intake manifold flap motor
| G28 | Engine speed sender |
| G69 | Throttle valve potentiometer |
| G81 | Fuel temperature sender |
| G247 | Fuel pressure sender |
| J338 | Throttle valve module |
| J623 | Engine control unit, in E-box in engine compartment |
| T60 | 60-pin connector, black |
| V157 | Intake manifold flap motor |
| 283 | Earth point 2, engine prewiring harness |
| D141 | Connection (5V) in engine prewiring harness |
Wiring Diagram VW TRANSPORTER 2017 - Exhaust gas recirculation potentiometer - Regulating flap potentiometer - Engine control unit - Exhaust gas recirculation valve - Fuel pressure regulating valve - Fuel metering valve
| G212 | Exhaust gas recirculation potentiometer |
| G584 | Regulating flap potentiometer |
| J623 | Engine control unit, in E-box in engine compartment |
| N18 | Exhaust gas recirculation valve |
| N276 | Fuel pressure regulating valve |
| N290 | Fuel metering valve |
| T6bw | 6-pin connector, grey |
| T10e | 10-pin connector, white, in E-box in engine compartment |
| T60 | 60-pin connector, black |
| 283 | Earth point 2, engine prewiring harness |
| D141 | Connection (5V) in engine prewiring harness |
| D189 | Connection (87a) in engine prewiring harness |
Wiring Diagram VW TRANSPORTER 2017 - Cruise control system switch - Brake light switch - Clutch position sender - Engine control unit - Mechatronic unit for dual clutch gearbox
| E45 | Cruise control system switch |
| F | Brake light switch, on brake master cylinder |
| G476 | Clutch position sender |
| J104 | ABS control unit |
| J623 | Engine control unit, in E-box in engine compartment |
| J743 | Mechatronic unit for dual clutch gearbox |
| T10 | 10-pin connector, black, in E-box in engine compartment |
| T10a | 10-pin connector, brown, in E-box in engine compartment |
| T10f | 10-pin connector, green, in E-box in engine compartment |
| T10h | 10-pin connector, orange, in E-box in engine compartment |
| T10m | 10-pin connector, light pink, in E-box in engine compartment |
| T16m | 16-pin connector, black |
| T38a | 38-pin connector, black |
| T41 | 41-pin connector, grey |
| T94 | 94-pin connector, black |
| B131 | Connection (54), in interior wiring harness |
| B441 | Connection (CCS), in main wiring harness |
| D109 | Connection 7 in engine compartment wiring harness |
| * | Only models with cruise control system (CCS) |
| *2 | Only models with manual gearbox |
| *3 | Only models with dual clutch gearbox |
Wiring Diagram VW TRANSPORTER 2017 - Engine control unit - Injector - cylinder 1 - Injector - cylinder 2 - Injector - cylinder 3 - Injector - cylinder 4 - Continued coolant circulation pump
| J623 | Engine control unit, in E-box in engine compartment |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| T2h | 2-pin connector, black |
| T2i | 2-pin connector, black |
| T2j | 2-pin connector, black |
| T2k | 2-pin connector, black |
| T10e | 10-pin connector, white, in E-box in engine compartment |
| T10g | 10-pin connector, grey, in E-box in engine compartment |
| T10l | 10-pin connector, light green, in E-box in engine compartment |
| T60 | 60-pin connector, black |
| V51 | Continued coolant circulation pump |
| 12 | Earth point, on left in engine compartment |
| 281 | Earth point 1, engine prewiring harness |
| * | Only models with dual clutch gearbox (DSG) |
| *2 | Only models with manual gearbox |
Wiring Diagram VW TRANSPORTER 2017 - Charge pressure sender - Intake air temperature sender - Air mass meter - Radiator fan control unit - Engine control unit
| G31 | Charge pressure sender |
| G42 | Intake air temperature sender |
| G70 | Air mass meter |
| J293 | Radiator fan control unit |
| J623 | Engine control unit, in E-box in engine compartment |
| T4a | 4-pin connector, black |
| T4ak | 4-pin connector, black, near radiator fan |
| T4ax | 4-pin connector, black, near radiator fan |
| T4bu | 4-pin connector, black |
| T94 | 94-pin connector, black |
| V7 | Radiator fan |
| 642 | Earth point for electronically controlled fan |
| * | Only models with medium fan output |
| *2 | Only models with increased fan output |
| *3 | Only models with low fan output |
Wiring Diagram VW TRANSPORTER 2017 - Radiator outlet coolant temperature sender - Exhaust gas temperature sender 1 - Exhaust gas temperature sender 3 - Exhaust gas temperature sender 4 - Engine control unit - Charge pressure control solenoid valve - Exhaust flap valve - Exhaust gas recirculation cooler changeover valve
| G83 | Radiator outlet coolant temperature sender |
| G235 | Exhaust gas temperature sender 1 |
| G495 | Exhaust gas temperature sender 3 |
| G648 | Exhaust gas temperature sender 4 |
| J623 | Engine control unit, in E-box in engine compartment |
| N75 | Charge pressure control solenoid valve |
| N220 | Exhaust flap valve |
| N345 | Exhaust gas recirculation cooler changeover valve |
| T2ah | 2-pin connector, black, on right in engine compartment |
| T2cq | 2-pin connector, light brown, on underbody, near cross panel |
| T2cr | 2-pin connector, brown, on underbody, near cross panel |
| T10e | 10-pin connector, white, in E-box in engine compartment |
| T10g | 10-pin connector, grey, in E-box in engine compartment |
| T17g | 17-pin connector, black, in E-box in engine compartment |
| T60 | 60-pin connector, black |
| T94 | 94-pin connector, black |
| D114 | Connection 12 in engine compartment wiring harness |
| D121 | Connection 19 in engine compartment wiring harness |
| * | Only models with diesel particulate filter |
Wiring Diagram VW TRANSPORTER 2017 - Intake manifold pressure sender - Exhaust gas pressure sensor 1 - Engine control unit
| G71 | Intake manifold pressure sender |
| G450 | Exhaust gas pressure sensor 1 |
| G701 | Gearbox neutral position sender |
| J623 | Engine control unit, in E-box in engine compartment |
| T3az | 3-pin connector, black |
| T3bh | 3-pin connector, black |
| T10g | 10-pin connector, grey, in E-box in engine compartment |
| T17g | 17-pin connector, black, in E-box in engine compartment |
| T94 | 94-pin connector, black |
| D119 | Connection 17 in engine compartment wiring harness |
| D120 | Connection 18 in engine compartment wiring harness |
| * | Only models with all-wheel drive |
| *2 | Only models with no all-wheel drive |
| *3 | Only models with manual gearbox |
| *4 | Only models with diesel particulate filter |
Wiring Diagram VW TRANSPORTER 2017 - Lambda probe - Accelerator position sender - Accelerator position sender 2 - Engine control unit - Lambda probe heater
| G39 | Lambda probe |
| G79 | Accelerator position sender |
| G185 | Accelerator position sender 2 |
| J623 | Engine control unit, in E-box in engine compartment |
| T6a | 6-pin connector, black, on right in engine compartment |
| T6t | 6-pin connector, black |
| T10d | 10-pin connector, blue, in E-box in engine compartment |
| T94 | 94-pin connector, black |
| Z19 | Lambda probe heater |
Wiring Diagram VW TRANSPORTER 2017 - Ignition/starter switch - Engine control unit - Starter relay 1 - Starter relay 2 - Fuse 23 on fuse holder C - Fuse 56 on fuse holder C
| D | Ignition/starter switch |
| J623 | Engine control unit, in E-box in engine compartment |
| J906 | Starter relay 1, in E-box in engine compartment |
| J907 | Starter relay 2, in E-box in engine compartment |
| SC | Fuse holder C, in centre of dash panel |
| SC23 | Fuse 23 on fuse holder C |
| SC56 | Fuse 56 on fuse holder C |
| T10m | 10-pin connector, light pink, in E-box in engine compartment |
| T94 | 94-pin connector, black |
| B239 | Positive connection 1 (50), in interior wiring harness |
| B273 | Positive connection (15), in main wiring harness |
| D107 | Connection 5 in engine compartment wiring harness |
| D108 | Connection 6 in engine compartment wiring harness |
| * | Only models with no electric interface |
Wiring Diagram VW TRANSPORTER 2017 - Fuel pump relay - Electric fuel pump 2 relay - Engine control unit - Supplementary fuel pump
| J17 | Fuel pump relay, in E-box in engine compartment |
| J49 | Electric fuel pump 2 relay, in E-box in engine compartment |
| J623 | Engine control unit, in E-box in engine compartment |
| T2dp | 2-pin connector, black, near fuel filter |
| T10d | 10-pin connector, blue, in E-box in engine compartment |
| T10e | 10-pin connector, white, in E-box in engine compartment |
| T60 | 60-pin connector, black |
| T94 | 94-pin connector, black |
| V393 | Supplementary fuel pump |
| 12 | Earth point, on left in engine compartment |
| 132 | Earth connection 3, in engine compartment wiring harness |
| D78 | Positive connection 1 (30a), in engine compartment wiring harness |
| D110 | Connection 8 in engine compartment wiring harness |
| D159 | Connection (high bus), in engine compartment wiring harness |
| D160 | Connection (low bus), in engine compartment wiring harness |
Wiring Diagram VW TRANSPORTER 2017 - Start/Stop operation button - Voltage stabiliser - Engine control unit - Fuse holder C
| E20 | Switch and instrument illumination regulator |
| E693 | Start/Stop operation button |
| J532 | Voltage stabiliser, in E-box in engine compartment |
| J623 | Engine control unit, in E-box in engine compartment |
| J794 | Control unit 1 for information electronics |
| L76 | Button illumination bulb |
| R | Radio |
| SC | Fuse holder C, in centre of dash panel |
| SC22 | Fuse 22 on fuse holder C |
| SC32 | Fuse 32 on fuse holder C |
| SC58 | Fuse 58 on fuse holder C |
| T6c | 6-pin connector, white |
| T10m | 10-pin connector, light pink, in E-box in engine compartment |
| T12ad | 12-pin connector, black |
| T94 | 94-pin connector, black |
| 382 | Earth connection 17, in main wiring harness |
| B279 | Positive connection 3 (15a) in main wiring harness |
| B340 | Connection 1 (58d), in main wiring harness |
| B341 | Connection 2 (58d), in main wiring harness |
| B342 | Connection 3 (58d), in main wiring harness |
| B465 | Connection 1, in main wiring harness |
| * | see applicable current flow diagram for fuse assignment |
| *2 | Only models with dimmable instrument illumination |
| *3 | see applicable current flow diagram for radio/ radio navigation system |
| *4 | Only models with no dimmable instrument illumination |
| *5 | Only models with preparation for radio |
Wiring Diagram VW TRANSPORTER 2017 - X-contact relief relay - Onboard supply control unit - Fuse 26 on fuse holder C - Diagnostic connection
| J59 | X-contact relief relay |
| J519 | Onboard supply control unit |
| SC | Fuse holder C, in centre of dash panel |
| SC2 | Fuse 2 on fuse holder C |
| SC26 | Fuse 26 on fuse holder C |
| T16 | 16-pin connector, black |
| T73a | 73-pin connector, black |
| T73b | 73-pin connector, white |
| U31 | Diagnostic connection |
| 370 | Earth connection 5, in main wiring harness |
| 371 | Earth connection 6, in main wiring harness |
| 382 | Earth connection 17, in main wiring harness |
| 636 | Earth point, onboard supply control unit |
| B138 | Positive connection (X), in interior wiring harness |
| B173 | Positive connection 2 (X), in interior wiring harness |
| B279 | Positive connection 3 (15a) in main wiring harness |
| * | Only models with no dimmable instrument illumination |
Wiring Diagram VW TRANSPORTER 2017 - Fuel gauge - Onboard supply control unit - Dash panel insert - Alternator warning lamp - Oil pressure warning lamp
| G1 | Fuel gauge |
| J285 | Control unit in dash panel insert |
| J519 | Onboard supply control unit |
| K | Dash panel insert |
| K2 | Alternator warning lamp |
| K3 | Oil pressure warning lamp |
| T10a | 10-pin connector, brown, in E-box in engine compartment |
| T32 | 32-pin connector, blue |
| T73b | 73-pin connector, white |
| B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
| B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
| B464 | Connection (speed signal), in main wiring harness |
| B708 | Connection 1 (dash panel insert CAN bus high) in main wiring harness |
| B709 | Connection 1 (dash panel insert CAN bus low) in main wiring harness |
Wiring Diagram VW TRANSPORTER 2017 - Oil pressure switch - Fuel gauge sender - Rev. counter - Fuel system pressurisation pump - Oil level and oil temperature sender - Dash panel insert - Glow period warning lamp - Oil level warning lamp
| F1 | Oil pressure switch |
| G | Fuel gauge sender |
| G5 | Rev. counter |
| G6 | Fuel system pressurisation pump |
| G266 | Oil level and oil temperature sender |
| J285 | Control unit in dash panel insert |
| K | Dash panel insert |
| K29 | Glow period warning lamp |
| K38 | Oil level warning lamp |
| SC30 | Fuse 30 on fuse holder C |
| T3bc | 3-pin connector, black, on underbody, near cross panel |
| T6b | 6-pin connector, black, on fuel tank |
| T10a | 10-pin connector, brown, in E-box in engine compartment |
| T10c | 10-pin connector, yellow, in E-box in engine compartment |
| T32 | 32-pin connector, blue |
| Y4 | Trip counter |
| 366 | Earth connection 1, in main wiring harness |
| 367 | Earth connection 2, in main wiring harness |
| 368 | Earth connection 3, in main wiring harness |
| 410 | Earth connection 1 (sender earth) in main wiring harness |
| 636 | Earth point, onboard supply control unit |
| B278 | Positive connection 2 (15a) in main wiring harness |
| * | Only models with extended servicing intervals (ESI) |
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