Wiring Diagram VW CADDY 2017 - Battery - Starter - Alternator - Battery monitor control unit - Onboard supply control unit
| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| J367 | Battery monitor control unit |
| J519 | Onboard supply control unit |
| T2 | 2-pin connector, black |
| T2ai | 2-pin connector, black |
| T2c | 2-pin connector, near starter, black |
| T4t | 4-pin connector, near starter, black |
| T52a | 52-pin connector, black |
| |
| 508 | Threaded connection (30) on E-box |
| A209 | Connection 1 (LIN bus) in dash panel wiring harness |
| B319 | Positive connection 5 (30a) in main wiring harness |
| * | Only models with start/stop system |
| *2 | Only right-hand drive models |
| *3 | Only models with no air conditioning system |
| *4 | Only models with 110 A alternator |
| *5 | Only models with no start/stop system |
| *6 | Only models with air conditioning system |
| *7 | Only models with 140 A/ 180 A alternator |
Wiring Diagram VW CADDY 2017 - Alternator - Onboard supply control unit - Fuse holder A - Fuse holder C
| C | Alternator |
| C1 | Voltage regulator |
| J519 | Onboard supply control unit |
| SA | Fuse holder A |
| SA1 | Fuse 1 in fuse holder A |
| SA5 | Fuse 5 in fuse holder A |
| SC | Fuse holder C |
| SC43 | Fuse 43 on fuse holder C |
| T2ah | 2-pin connector, black |
| T2c | 2-pin connector, near starter, black |
| T4t | 4-pin connector, near starter, black |
| T52c | 52-pin connector, brown |
| 508 | Threaded connection (30) on E-box |
| B177 | Connection (61), in interior wiring harness |
| * | Only models with no start/stop system |
| *2 | Only models with 110 A alternator |
| *3 | Only models with 140 A/ 180 A alternator |
| *4 | Only models with start/stop system |
| *5 | Only models with air conditioning system |
| *6 | Only models with no air conditioning system |
Wiring Diagram VW CADDY 2017 - Onboard supply control unit - Terminal 50 voltage supply relay - Fuse holder C
Wiring Diagram VW CADDY 2017 - Terminal 15 voltage supply relay - Onboard supply control unit - Voltage stabiliser - Starter relay 1 - Starter relay 2 - Fuse holder B
| J329 | Terminal 15 voltage supply relay |
| J519 | Onboard supply control unit |
| J532 | Voltage stabiliser |
| J906 | Starter relay 1 |
| J907 | Starter relay 2 |
| SB | Fuse holder B |
| SB7 | Fuse 7 on fuse holder B |
| SB8 | Fuse 8 on fuse holder B |
| T12c | 12-pin connector, black |
| T40 | 40-pin connector, black |
| T52b | 52-pin connector, white |
| T52c | 52-pin connector, brown |
| |
| 373 | Earth connection 8, in main wiring harness |
| 377 | Earth connection 12, in main wiring harness |
| 508 | Threaded connection (30) on E-box |
| A32 | Positive connection (30), in dash panel wiring harness |
| B135 | Connection 1 (15a), in interior wiring harness |
| B163 | Positive connection 1 (15), in interior wiring harness |
| B660 | Connection (diagnosis terminal 50), in main wiring harness |
| * | Only models with start/stop system |
| *2 | Only left-hand drive models |
| *3 | Only models with no start/stop system |
| *4 | Only right-hand drive models |
Wiring Diagram VW CADDY 2017 - Automatic glow period control unit - Onboard supply control unit - Glow plug 1 - Glow plug 2 - Glow plug 3 - Glow plug 4 - Fuse holder B - Push-in bridge
Wiring Diagram VW CADDY 2017 - Fuel gauge sender - Fuel system pressurisation pump - Fuel pump relay - Onboard supply control unit - Fuel supply relay - Engine component current supply relay - Fuse holder B
Wiring Diagram VW CADDY 2017 - Onboard supply control unit
| J519 | Onboard supply control unit |
| T52a | 52-pin connector, black |
| T52b | 52-pin connector, white |
| T52c | 52-pin connector, brown |
| 372 | Earth connection 7, in main wiring harness |
| 375 | Earth connection 10, in main wiring harness |
| |
| |
| * | Only models with start/stop system |
| *2 | Only models with manual gearbox |
| *3 | Only models with no start/stop system |
| *4 | Only left-hand drive models |
| *5 | Only models with dual clutch gearbox 0AM |
| *6 | Only right-hand drive models |
Wiring Diagram VW CADDY 2017 - Onboard supply control unit - Steering column electronics control unit - Engine control unit
| J519 | Onboard supply control unit |
| J527 | Steering column electronics control unit |
| J623 | Engine control unit, central in plenum chamber |
| T16a | 16-pin connector, black |
| T52c | 52-pin connector, brown |
| T94 | 94-pin connector, black |
| B273 | Positive connection (15), in main wiring harness |
| * | Only models with start/stop system |
| *2 | Only models with no start/stop system |
Wiring Diagram VW CADDY 2017 - Engine control unit - Heater element for crankcase breather
| J623 | Engine control unit, central in plenum chamber |
| N79 | Heater element for crankcase breather |
| T94 | 94-pin connector, black |
| 131 | Earth connection 2, in engine compartment wiring harness |
| |
| D182 | Connection 3 (87a) in engine compartment wiring harness |
| * | Only models with start/stop system |
| *2 | Only models with crankcase breather heater element |
| *3 | Only models with no air conditioning system |
| *4 | Only models with air conditioning system |
| *5 | Only models with manual gearbox |
Wiring Diagram VW CADDY 2017 - Start/Stop operation button - Accelerator pedal module - Engine control unit
| E693 | Start/Stop operation button |
| GX2 | Accelerator pedal module |
| G79 | Accelerator position sender |
| G185 | Accelerator position sender 2 |
| J623 | Engine control unit, central in plenum chamber |
| K259 | Start/Stop operation warning lamp |
| L76 | Button illumination bulb |
| T6l | 6-pin connector, blue |
| T6y | 6-pin connector, black |
| T94 | 94-pin connector, black |
| A199 | Positive connection 4 (15a) in dash panel wiring harness |
| B340 | Connection 1 (58d), in main wiring harness |
| * | Only models with start/stop system |
Wiring Diagram VW CADDY 2017 - Charge pressure sender - Intake air temperature sender - Exhaust gas pressure sensor 1 - Gearbox neutral position sender - Engine control unit
| G31 | Charge pressure sender |
| G42 | Intake air temperature sender |
| G450 | Exhaust gas pressure sensor 1 |
| G701 | Gearbox neutral position sender |
| J623 | Engine control unit, central in plenum chamber |
| T3ah | 3-pin connector, black |
| T3ai | 3-pin connector |
| T4u | 4-pin connector, front left in engine compartment |
| T94 | 94-pin connector, black |
| 316 | Earth connection (sender earth 2) in engine wiring harness |
| B369 | Connection 1 (5V), in main wiring harness |
| * | Not for models with Euro 3 emission standard |
| *2 | Only models with manual gearbox |
| *3 | Only models with start/stop system |
| *4 | Only models with Euro 3 emission standard |
Wiring Diagram VW CADDY 2017 - Lambda probe - Air mass meter - Engine control unit
| G39 | Lambda probe |
| G70 | Air mass meter |
| J623 | Engine control unit, central in plenum chamber |
| T3ag | 3-pin connector, black |
| T6r | 6-pin connector, in rear of engine compartment, black |
| T94 | 94-pin connector, black |
| Z19 | Lambda probe heater |
| E30 | Connection (87a), in engine wiring harness |
| * | Not for models with Euro 3 emission standard |
| *2 | Only models with auxiliary air heater |
Wiring Diagram VW CADDY 2017 - Coolant temperature sender - Fuel temperature sender - Radiator outlet coolant temperature sender - Exhaust gas temperature sender 1 - Exhaust gas temperature sender 3 - Exhaust gas temperature sender 4 - Engine control unit
| G62 | Coolant temperature sender |
| G81 | Fuel temperature sender |
| 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, central in plenum chamber |
| T2bo | 2-pin connector, in rear of engine compartment, black |
| T2bp | 2-pin connector, in rear of engine compartment, brown |
| T2bq | 2-pin connector, in rear of engine compartment, light brown |
| T14a | 14-pin connector, near left headlight, black |
| T60 | 60-pin connector, black |
| T94 | 94-pin connector, black |
| 327 | Earth connection (sender earth), in engine compartment wiring harness |
| 328 | Earth connection 2 (sender earth), in engine compartment wiring harness |
| * | Not for models with Euro 3 emission standard |
Wiring Diagram VW CADDY 2017 - Engine control unit - Injector - cylinder 1 - Injector - cylinder 2 - Injector - cylinder 3 - Injector - cylinder 4 - Fuel pressure regulating valve - Fuel metering valve
| J623 | Engine control unit, central in plenum chamber |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| N276 | Fuel pressure regulating valve |
| N290 | Fuel metering valve |
| T14a | 14-pin connector, near left headlight, black |
| T60 | 60-pin connector, black |
| D197 | Connection 5 (87a) in engine compartment wiring harness |
Wiring Diagram VW CADDY 2017 - Engine control unit - Charge pressure control solenoid valve - Exhaust gas recirculation cooler changeover valve - Coolant circulation pump 2
| J623 | Engine control unit, central in plenum chamber |
| N75 | Charge pressure control solenoid valve |
| N345 | Exhaust gas recirculation cooler changeover valve |
| T4x | 4-pin connector, on radiator fan, bottom left, black |
| T14a | 14-pin connector, near left headlight, black |
| T60 | 60-pin connector, black |
| T94 | 94-pin connector, black |
| V178 | Coolant circulation pump 2 |
| 317 | Earth connection 7, in engine compartment wiring harness |
| 640 | Earth point 2, left in engine compartment |
| D102 | Connection 2 in engine compartment wiring harness |
| D180 | Connection (87a), in engine compartment wiring harness |
| * | Radiator fan connection |
Wiring Diagram VW CADDY 2017 - Throttle valve potentiometer - Fuel pressure sender - Position sender for charge pressure positioner - Throttle valve module - Engine control unit
| G69 | Throttle valve potentiometer |
| G212 | Exhaust gas recirculation potentiometer |
| G247 | Fuel pressure sender |
| G581 | Position sender for charge pressure positioner |
| J338 | Throttle valve module |
| J623 | Engine control unit, central in plenum chamber |
| N18 | Exhaust gas recirculation valve |
| T5q | 5-pin connector, black |
| T6o | 6-pin connector, grey |
| T60 | 60-pin connector, black |
| 220 | Earth connection (sender earth), in engine wiring harness |
| D101 | Connection 1 in engine compartment wiring harness |
Wiring Diagram VW CADDY 2017 - Brake light switch - Hall sender - Engine control unit
| F | Brake light switch |
| G40 | Hall sender |
| J623 | Engine control unit, central in plenum chamber |
| T3z | 3-pin connector, on front of engine, black |
| T4w | 4-pin connector, black |
| T60 | 60-pin connector, black |
| T94 | 94-pin connector, black |
| 209 | Earth connection 6, in engine compartment wiring harness |
| 220 | Earth connection (sender earth), in engine wiring harness |
| B131 | Connection (54), in interior wiring harness |
| B351 | Positive connection 2 (87a) in main wiring harness |
| D101 | Connection 1 in engine compartment wiring harness |
| * | Only models with manual gearbox |
| *2 | Only models with dual clutch gearbox (DSG) |
Wiring Diagram VW CADDY 2017 - Clutch position sender - Engine control unit
| G476 | Clutch position sender |
| J623 | Engine control unit, central in plenum chamber |
| J743 | Mechatronic unit for dual clutch gearbox |
| T5m | 5-pin connector, black |
| T25 | 25-pin connector, black |
| T94 | 94-pin connector, black |
| 209 | Earth connection 6, in engine compartment wiring harness |
| |
| |
| D112 | Connection 10 in engine compartment wiring harness |
| * | Only models with start/stop system |
| *2 | Only models with dual clutch gearbox 0AM |
| *3 | Only models with manual gearbox |
| *4 | Only models with no start/stop system |
| *5 | Only left-hand drive models |
| *6 | Only right-hand drive models |
Wiring Diagram VW CADDY 2017 - Engine speed sender - Engine control unit
| E16 | Heater/heat output switch |
| G28 | Engine speed sender |
| J104 | ABS control unit |
| J359 | Low heat output relay |
| J360 | High heat output relay |
| J623 | Engine control unit, central in plenum chamber |
| T3t | 3-pin connector, black |
| T20c | 20-pin connector, black |
| T38 | 38-pin connector, brown |
| T60 | 60-pin connector, black |
| T94 | 94-pin connector, black |
| B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
| B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
| * | Only models with auxiliary air heater |
| *2 | Only models with no air conditioning system |
| *3 | Only models with start/stop system |
Wiring Diagram VW CADDY 2017 - Multifunction indicator - Control unit in dash panel insert - Data bus diagnostic interface - Diagnostic connection
| J119 | Multifunction indicator |
| J285 | Control unit in dash panel insert |
| J533 | Data bus diagnostic interface |
| K83 | Exhaust emissions warning lamp |
| K132 | Electronic power control fault lamp |
| T16 | 16-pin connector, purple |
| T20 | 20-pin connector, red |
| T32 | 32-pin connector, blue |
| U31 | Diagnostic connection |
| 367 | Earth connection 2, in main wiring harness |
| B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
| B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
| B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
| B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
| * | Only models with start/stop system |
Wiring Diagram VW CADDY 2017 - Oil pressure switch - Fuel gauge - Coolant temperature gauge - Coolant shortage indicator sender - Oil level and oil temperature sender - Control unit in dash panel insert - Glow period warning lamp - Diesel particulate filter warning lamp
| F1 | Oil pressure switch |
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| G32 | Coolant shortage indicator sender |
| G266 | Oil level and oil temperature sender |
| H3 | Buzzer and gong |
| J285 | Control unit in dash panel insert |
| K3 | Oil pressure warning lamp |
| K29 | Glow period warning lamp |
| K31 | Cruise control system warning lamp |
| K38 | Oil level warning lamp |
| K105 | Reserve fuel warning lamp |
| K231 | Diesel particulate filter warning lamp |
| T6z | 6-pin connector, near left headlight, black |
| T14a | 14-pin connector, near left headlight, black |
| T32 | 32-pin connector, blue |
| 367 | Earth connection 2, in main wiring harness |
| 410 | Earth connection 1 (sender earth) in main wiring harness |
| * | Only models with flexible service interval display |
VW CADDY 2017 Overview of earth points in front part of vehicle
Overview of earth points in front part of vehicle | | 1 | Earth strap, battery - body |
| q | Specified torque: 20 Nm |
| 13 | Earth point, on right in engine compartment |
| 15 | Earth point on cylinder head |
| 607 | Earth point on left in plenum chamber |
| 609 | Earth point on right in plenum chamber |
| 624 | Earth point, starter battery |
| 642 | Earth point for electronically controlled fan |
| 652 | Earth point, engine and gearbox earth |
| q | Specified torque: 20 Nm |
| 655 | Earth point on left headlight |
| 656 | Earth point on right headlight |
VW CADDY 2017 Overview of earth points in interior of vehicle
Overview of earth points in interior of vehicle |
| 71 | Earth point, front roof cross member |
| 602 | Earth point in front left footwell |
| 605 | 605 Earth point on top end of steering column |
| 45 | Earth point behind centre dash panel |
| 47 | Earth point in front right footwell |
VW CADDY 2017 Overview of earth points in rear part of vehicle
Overview of earth points in rear part of vehicle |
| 662 | Earth point in rear left side panel |
| 663 | Earth point, rear right side panel |
| 705 | Earth point on fuel tank |
