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Wiring Diagram VW CADDY 2017 - Battery - Starter - Alternator - Battery monitor control unit - Onboard supply control unit - Fuse holder A
| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| J367 | Battery monitor control unit |
| J519 | Onboard supply control unit |
| SA | Fuse holder A |
| SA1 | Fuse 1 in fuse holder A |
| 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 110 A alternator |
| *2 | Only models with 140 A/ 180 A alternator |
| *3 | Only right-hand drive models |
| *4 | Only models with no air conditioning system |
| *5 | Only models with air conditioning system |
Wiring Diagram VW CADDY 2017 - Onboard supply control unit - Fuse holder C
| J519 | Onboard supply control unit |
| SC | Fuse holder C |
| SC10 | Fuse 10 on fuse holder C |
| SC13 | Fuse 13 on fuse holder C |
| SC14 | Fuse 14 on fuse holder C |
| SC16 | Fuse 16 on fuse holder C |
| 508 | Threaded connection (30) on E-box |
| A192 | Positive connection 3 (15a) in dash panel wiring harness |
| A201 | Positive connection 6 (15a) in dash panel wiring harness |
| B135 | Connection 1 (15a), in interior wiring harness |
| B163 | Positive connection 1 (15), in interior wiring harness |
| * | Only models with flexible service interval display |
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 |
| 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 left-hand drive models |
| *2 | Only right-hand drive models |
Wiring Diagram VW CADDY 2017 - Fuel gauge sender - Fuel system pressurisation pump - Additional coolant pump relay - Onboard supply control unit - Fuel pump control unit - Fuse holder B
| G | Fuel gauge sender |
| G6 | Fuel system pressurisation pump |
| J496 | Additional coolant pump relay |
| J519 | Onboard supply control unit |
| J538 | Fuel pump control unit, on rear left on vehicle floor |
| SB | Fuse holder B |
| SB3 | Fuse 3 on fuse holder B |
| SB20 | Fuse 20 on fuse holder B |
| SB21 | Fuse 21 on fuse holder B |
| SB23 | Fuse 23 on fuse holder B |
| SB27 | Fuse 27 on fuse holder B |
| T5a | 5-pin connector, black |
| T5d | 5-pin connector, black |
| T40 | 40-pin connector, black |
| B361 | Positive connection 12 (87a) in main wiring harness |
| * | Only right-hand drive models |
Wiring Diagram VW CADDY 2017 - Onboard supply control unit - Engine component current supply relay - Fuse holder B
| J519 | Onboard supply control unit |
| J757 | Engine component current supply relay |
| SB | Fuse holder B |
| SB10 | Fuse 10 on fuse holder B |
| SB13 | Fuse 13 on fuse holder B |
| SB14 | Fuse 14 on fuse holder B |
| SB15 | Fuse 15 on fuse holder B |
| SB22 | Fuse 22 on fuse holder B |
| SB24 | Fuse 24 on fuse holder B |
| T14f | 14-pin connector, near left headlight, grey |
| T40 | 40-pin connector, black |
| D78 | Positive connection 1 (30a), in engine compartment wiring harness |
Wiring Diagram VW CADDY 2017 - Onboard supply control unit
| J519 | Onboard supply control unit |
| J527 | Steering column electronics control unit |
| T16a | 16-pin connector, black |
| 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 |
| B273 | Positive connection (15), in main wiring harness |
| * | Only left-hand drive models |
| *2 | Only right-hand drive models |
Wiring Diagram VW CADDY 2017 - Engine control unit
| J527 | Steering column electronics control unit |
| J623 | Engine control unit, central in plenum chamber |
| T16a | 16-pin connector, black |
| T94 | 94-pin connector, black |
| 131 | Earth connection 2, in engine compartment wiring harness |
| D182 | Connection 3 (87a) in engine compartment wiring harness |
Wiring Diagram VW CADDY 2017 - Engine control unit - Ignition coil 1 with output stage - Ignition coil 2 with output stage - Ignition coil 3 with output stage - Ignition coil 4 with output stage
| J623 | Engine control unit, central in plenum chamber |
| N70 | Ignition coil 1 with output stage |
| N127 | Ignition coil 2 with output stage |
| N291 | Ignition coil 3 with output stage |
| N292 | Ignition coil 4 with output stage |
| Q23 | Spark plug 1 |
| Q24 | Spark plug 2 |
| Q25 | Spark plug 3 |
| Q26 | Spark plug 4 |
| T4au | 4-pin connector, black |
| T4av | 4-pin connector, black |
| T4aw | 4-pin connector, black |
| T4ax | 4-pin connector, black |
| T60 | 60-pin connector, black |
| 306 | Earth connection (ignition coils), in engine prewiring harness |
| 840 | Earth connection (engine earth), in engine prewiring harness |
| D25 | Positive connection (15), in engine prewiring harness |
Wiring Diagram VW CADDY 2017 - Start/Stop operation button - Engine control unit - Charge air cooling pump
| E693 | Start/Stop operation button |
| J623 | Engine control unit, central in plenum chamber |
| K259 | Start/Stop operation warning lamp |
| L76 | Button illumination bulb |
| T3bw | 3-pin connector, black |
| T6l | 6-pin connector, blue |
| T14f | 14-pin connector, near left headlight, grey |
| T60 | 60-pin connector, black |
| T94 | 94-pin connector, black |
| V188 | Charge air cooling pump |
| 306 | Earth connection (ignition coils), in engine prewiring harness |
| 317 | Earth connection 7, in engine compartment wiring harness |
| 640 | Earth point 2, left in engine compartment |
| A199 | Positive connection 4 (15a) in dash panel wiring harness |
| B340 | Connection 1 (58d), in main wiring harness |
Wiring Diagram VW CADDY 2017 - Lambda probe 1 after catalytic converter - Lambda probe 1 before catalytic converter - Lambda probe - Radiator outlet coolant temperature sender - Lambda probe after catalytic converter - Engine control unit
| GX7 | Lambda probe 1 after catalytic converter |
| GX10 | Lambda probe 1 before catalytic converter |
| G39 | Lambda probe |
| G83 | Radiator outlet coolant temperature sender |
| G130 | Lambda probe after catalytic converter |
| J623 | Engine control unit, central in plenum chamber |
| T4h | 4-pin connector, in rear of engine compartment, black |
| T6r | 6-pin connector, in rear of engine compartment, black |
| T94 | 94-pin connector, black |
| Z19 | Lambda probe heater |
| Z29 | Lambda probe 1 heater after catalytic converter |
| E30 | Connection (87a), in engine wiring harness |
Wiring Diagram VW CADDY 2017 - Accelerator pedal module - Knock sensor 1 - Gearbox neutral position sender - Engine control unit
| GX2 | Accelerator pedal module |
| G61 | Knock sensor 1 |
| G79 | Accelerator position sender |
| G185 | Accelerator position sender 2 |
| G701 | Gearbox neutral position sender |
| J623 | Engine control unit, central in plenum chamber |
| T3bv | 3-pin connector, black, brown |
| T6y | 6-pin connector, black |
| T60 | 60-pin connector, black |
| T94 | 94-pin connector, black |
Wiring Diagram VW CADDY 2017 - Coolant temperature sender - Engine control unit - Injector - cylinder 1 - Injector - cylinder 2 - Injector - cylinder 3 - Injector - cylinder 4
| G62 | Coolant temperature sender |
| J623 | Engine control unit, central in plenum chamber |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| T60 | 60-pin connector, black |
| 458 | Earth point 3, engine prewiring harness |
Wiring Diagram VW CADDY 2017 - Charge pressure sender - Engine speed sender - Charge pressure sender - Intake air temperature sender - Position sender for charge pressure positioner - Engine control unit - Charge pressure positioner
| GX26 | Charge pressure sender |
| G28 | Engine speed sender |
| G31 | Charge pressure sender |
| G42 | Intake air temperature sender |
| G581 | Position sender for charge pressure positioner |
| J623 | Engine control unit, central in plenum chamber |
| T3ab | 3-pin connector, black |
| T6s | 6-pin connector, grey |
| T60 | 60-pin connector, black |
| V465 | Charge pressure positioner |
| 281 | Earth point 1, engine prewiring harness |
| 458 | Earth point 3, engine prewiring harness |
| D174 | Connection 2 (5V) in engine prewiring harness |
Wiring Diagram VW CADDY 2017 - Intake manifold sender - Hall sender - Intake manifold pressure sender - Fuel pressure sender - Intake air temperature sender 2 - Fuel pressure sender for low-pressure - Engine control unit
| GX9 | Intake manifold sender |
| G40 | Hall sender |
| G71 | Intake manifold pressure sender |
| G247 | Fuel pressure sender |
| G299 | Intake air temperature sender 2 |
| G410 | Fuel pressure sender for low-pressure |
| J623 | Engine control unit, central in plenum chamber |
| T4ay | 4-pin connector, black |
| T4o | 4-pin connector, black |
| T60 | 60-pin connector, black |
| 281 | Earth point 1, engine prewiring harness |
| D190 | Connection 3 (5V) in engine prewiring harness |
Wiring Diagram VW CADDY 2017 - Throttle valve module - Tank pressure sensor - Engine control unit - High-pressure valve for gas mode
| GX3 | Throttle valve module |
| G186 | Throttle valve drive for electric throttle |
| G187 | Throttle valve drive angle sender 1 for electric throttle |
| G188 | Throttle valve drive angle sender 2 for electric throttle |
| G400 | Tank pressure sensor |
| J338 | Throttle valve module |
| J623 | Engine control unit, central in plenum chamber |
| N372 | High-pressure valve for gas mode |
| T3af | 3-pin connector, black |
| T6t | 6-pin connector, black |
| T14f | 14-pin connector, near left headlight, grey |
| T60 | 60-pin connector, black |
| T94 | 94-pin connector, black |
| D101 | Connection 1 in engine compartment wiring harness |
Wiring Diagram VW CADDY 2017 - Engine control unit - Fuel tank shut-off valve 1 - Fuel tank shut-off valve 2 - Fuel tank shut-off valve 3 - Fuel tank shut-off valve 4 - Fuel tank shut-off valve 5
| J623 | Engine control unit, central in plenum chamber |
| N361 | Fuel tank shut-off valve 1 |
| N362 | Fuel tank shut-off valve 2 |
| N363 | Fuel tank shut-off valve 3 |
| N429 | Fuel tank shut-off valve 4 |
| N430 | Fuel tank shut-off valve 5 |
| T4x | 4-pin connector, on radiator fan, bottom left, black |
| T94 | 94-pin connector, black |
| 384 | Earth connection 19, in main wiring harness |
| B352 | Positive connection 3 (87a) in main wiring harness |
| D180 | Connection (87a), in engine compartment wiring harness |
| * | Radiator fan connection |
| *2 | Only Caddy Maxi |
Wiring Diagram VW CADDY 2017 - Engine control unit - Activated charcoal filter solenoid valve 1 - Camshaft control valve 1 - Gas injection valve 1 - Gas injection valve 2 - Gas injection valve 3 - Gas injection valve 4 - Valve for oil pressure control
| J623 | Engine control unit, central in plenum chamber |
| N80 | Activated charcoal filter solenoid valve 1 |
| N205 | Camshaft control valve 1 |
| N366 | Gas injection valve 1 |
| N367 | Gas injection valve 2 |
| N368 | Gas injection valve 3 |
| N369 | Gas injection valve 4 |
| N428 | Valve for oil pressure control |
| T14f | 14-pin connector, near left headlight, grey |
| T60 | 60-pin connector, black |
| D40 | Connection 2, in engine prewiring harness |
| D141 | Connection (5V) in engine prewiring harness |
| D180 | Connection (87a), in engine compartment wiring harness |
Wiring Diagram VW CADDY 2017 - Brake light switch - Clutch position sender - Engine control unit
| F | Brake light switch |
| G476 | Clutch position sender |
| J623 | Engine control unit, central in plenum chamber |
| T4w | 4-pin connector, black |
| T5m | 5-pin connector, black |
| T94 | 94-pin connector, black |
| 209 | Earth connection 6, in engine compartment wiring harness |
| B131 | Connection (54), in interior wiring harness |
| B351 | Positive connection 2 (87a) in main wiring harness |
Wiring Diagram VW CADDY 2017 - Oil pressure switch - Engine control unit - Fuel metering valve
| F1 | Oil pressure switch |
| J104 | ABS control unit |
| J623 | Engine control unit, central in plenum chamber |
| N290 | Fuel metering valve |
| 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 |
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 |
Wiring Diagram VW CADDY 2017 - Oil pressure switch for reduced oil pressure - Coolant temperature gauge - Coolant shortage indicator sender - Oil level and oil temperature sender - Natural gas gauge - Control unit in dash panel insert
| F378 | Oil pressure switch for reduced oil pressure |
| G3 | Coolant temperature gauge |
| G32 | Coolant shortage indicator sender |
| G266 | Oil level and oil temperature sender |
| G411 | Natural gas gauge |
| H3 | Buzzer and gong |
| J285 | Control unit in dash panel insert |
| K3 | Oil pressure warning lamp |
| K31 | Cruise control system warning lamp |
| K38 | Oil level warning lamp |
| K105 | Reserve fuel warning lamp |
| K192 | Natural gas mode warning lamp |
| T6z | 6-pin connector, near left headlight, black |
| T14f | 14-pin connector, near left headlight, grey |
| 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 fuses
| Overview of fuses |
| 1 - | Fuses (SA) on fuse holder A |
| q | Fuse assignment, from June 2015 |
| 2 - | Fuses (SB) on fuse holder B |
| q | Fuse assignment, from June 2015 |
| 3 - | Fuses (SC) on fuse holder C |
| q | Fitting location right-hand drive |
| q | Fuse assignment, from June 2015 |
|
| 1 - | Fuse holder A -SA- |
| Fuse colours for MIDI strip fuse: |
| t | 200 A - purple |
| t | 150 A - grey |
| t | 125 A - pink |
| t | 100 A - blue |
| t | 80 A - white / transparent |
| t | 70 A - brown |
| t | 60 A - yellow |
| t | 50 A - red |
| t | 40 A - green |
| t | 30 A - orange |
Note:
|
| Fuses (SB) on fuse holder B |
| Fitting location of fuse holder B -SB- |
| On left in engine compartment, on E-box. |
| 1 - | Fuse holder B -SB- |
| Fuse colours for ATO flat fuse: |
| t | 40 A - orange |
| t | 35 A - green-blue |
| t | 30 A - light green |
| t | 25 A - transparent |
| t | 20 A - yellow |
| t | 15 A - light blue |
| t | 10 A - red |
| t | 7.5 A - brown |
| t | 5 A - light brown |
| t | 1 A - black |
| Fuse colours for Maxi ATO flat fuse: |
| t | 60 A - blue |
| t | 50 A - red |
| t | 40 A - orange |
| t | 30 A - light green |
| t | 20 A - yellow |
|
| Fuses (SC) on fuse holder C |
| Fitting location, fuse holder C -SC- , left-hand drive |
| under dash panel on left. |
| 1 - | Fuse holder C -SC- |
| Fuse colours for ATO flat fuse: |
| t | 40 A - orange |
| t | 35 A - green-blue |
| t | 30 A - light green |
| t | 25 A - transparent |
| t | 20 A - yellow |
| t | 15 A - light blue |
| t | 10 A - red |
| t | 7.5 A - brown |
| t | 5 A - light brown |
| t | 1 A - black |
|
| 1 - | Fuse holder C -SC- |
| Fuse colours for ATO flat fuse: |
| t | 40 A - orange |
| t | 35 A - green-blue |
| t | 30 A - light green |
| t | 25 A - transparent |
| t | 20 A - yellow |
| t | 15 A - light blue |
| t | 10 A - red |
| t | 7.5 A - brown |
| t | 5 A - light brown |
| t | 1 A - black |
|
