Wiring Diagram VW CADDY 2012 - Battery - Onboard supply control unit - Fuse 1 in fuse holder A - Fuse 4 in fuse holder A - Fuse 5 in fuse holder A
| A | Battery |
| B | Starter |
| C | Alternator |
| J519 | Onboard supply control unit |
| SA1 | Fuse 1 in fuse holder A |
| SA4 | Fuse 4 in fuse holder A |
| SA5 | Fuse 5 in fuse holder A |
| T52a | 52-pin connector, black |
| T52b | 52-pin connector, white |
| T52c | 52-pin connector, brown |
| 1 | Earth strap, battery - body |
| 14 | Earth point, on gearbox |
| 369 | Earth connection 4, in main wiring harness |
| 508 | Threaded connection (30) on E-box |
| 602 | Earth point, in front left footwell |
| 652 | Earth point, engine and gearbox earth |
| * | Only models with 140 A alternator |
| *2 | Only models with 90 A/ 120 A alternator |
| *3 | According to equipment |
Wiring Diagram VW CADDY 2012 - Terminal 15 voltage supply relay - Onboard supply control unit - Fuse holder B - Fuse holder C
| J329 | Terminal 15 voltage supply relay |
| J519 | Onboard supply control unit |
| J682 | Terminal 50 voltage supply relay |
| SB | Fuse holder B |
| SB3 | Fuse 3 on fuse holder B |
| SB7 | Fuse 7 on fuse holder B |
| SC | Fuse holder C |
| SC10 | Fuse 10 on fuse holder C |
| SC13 | Fuse 13 on fuse holder C |
| T40 | 40-pin connector |
| T52a | 52-pin connector, black |
| T52b | 52-pin connector, white |
| 508 | Threaded connection (30) on E-box |
| A199 | Positive connection 4 (15a) in dash panel wiring harness |
| B135 | Connection 1 (15a), in interior wiring harness |
| B163 | Positive connection 1 (15), in interior wiring harness |
| B319 | Positive connection 5 (30a) in main wiring harness |
Wiring Diagram VW CADDY 2012 - Onboard supply control unit - Fuse holder B - Fuse holder C
| J519 | Onboard supply control unit |
| SB | Fuse holder B |
| SB6 | Fuse 6 on fuse holder B |
| SC | Fuse holder C |
| SC14 | Fuse 14 on fuse holder C |
| SC16 | Fuse 16 on fuse holder C |
| SB19 | Fuse 19 on fuse holder B |
| SC21 | Fuse 21 on fuse holder C |
| T40 | 40-pin connector |
| A167 | Positive connection 3 (30a) in dash panel wiring harness |
| A192 | Positive connection 3 (15a) in dash panel wiring harness |
| A201 | Positive connection 6 (15a) in dash panel wiring harness |
| B504 | Positive connection 8 (30a), in interior wiring harness |
| * | From May 2011 |
| *2 | Not for models with dual clutch gearbox |
| *3 | Only models with rain and light sensor |
| *4 | Only models with auxiliary coolant heater |
| *5 | Only Camper |
Wiring Diagram VW CADDY 2012 - Onboard supply control unit - Fuse holder B - Fuse holder C
| J519 | Onboard supply control unit |
| SB | Fuse holder B |
| SB12 | Fuse 12 on fuse holder B |
| SB16 | Fuse 16 on fuse holder B |
| SB17 | Fuse 17 on fuse holder B |
| SB26 | Fuse 26 on fuse holder B |
| SC | Fuse holder C |
| SC22 | Fuse 22 on fuse holder C |
| SC46 | Fuse 46 on fuse holder C |
| SC47 | Fuse 47 on fuse holder C |
| SC50 | Fuse 50 on fuse holder C |
| SC52 | Fuse 52 on fuse holder C |
| SC53 | Fuse 53 on fuse holder C |
| T28a | 28-pin connector, in left A-pillar coupling station |
| T28b | 28-pin connector, in right A-pillar coupling station |
| T40 | 40-pin connector |
| T52a | 52-pin connector, black |
| T52b | 52-pin connector, white |
| T52c | 52-pin connector, brown |
| B636 | Connection (supplementary heater), in main wiring harness |
| * | From May 2011 |
| *2 | Up to April 2011 |
| *3 | see applicable current flow diagram for convenience system |
| *4 | According to equipment |
| *5 | Only models with 12 V socket |
| *6 | Only left-hand drive models |
| *7 | Only right-hand drive models |
Wiring Diagram VW CADDY 2012 - X-contact relief relay - Onboard supply control unit - Fuse holder C
| J59 | X-contact relief relay |
| J485 | Auxiliary heater operation relay |
| J519 | Onboard supply control unit |
| SC | Fuse holder C |
| SC29 | Fuse 29 on fuse holder C |
| SC31 | Fuse 31 on fuse holder C |
| SC33 | Fuse 33 on fuse holder C |
| T52b | 52-pin connector, white |
| B347 | Connection 2 (75), in main wiring harness |
| * | According to equipment |
| *2 | Only models with air conditioning system/ Climatronic |
| *3 | Only models with no auxiliary coolant heater |
| *4 | Only models with auxiliary coolant heater |
| *5 | Only models with no air conditioning system/Climatronic |
| *6 | Only models with seat heating |
| *7 | Only models with rear window wiper |
| *8 | Only models with wing doors |
| *9 | Only models with rear lid |
Wiring Diagram VW CADDY 2012 - Ignition/starter switch - Onboard supply control unit - Steering column electronics control unit - Ignition key withdrawal lock solenoid
| D | Ignition/starter switch |
| F319 | Selector lever locked in position P switch |
| J519 | Onboard supply control unit |
| J527 | Steering column electronics control unit |
| J623 | Engine control unit |
| N376 | Ignition key withdrawal lock solenoid, on ignition/starter switch |
| T6bq | 6-pin connector |
| T8p | 8-pin connector |
| T10u | 10-pin connector, under selector lever |
| T16a | 16-pin connector |
| T52c | 52-pin connector, brown |
| B273 | Positive connection (15), in main wiring harness |
| * | Only models with dual clutch gearbox |
Wiring Diagram VW CADDY 2012 - Horn plate - Onboard supply control unit - Steering column electronics control unit - Driver side airbag igniter
| F350 | Coil connector |
| H | Horn plate |
| J234 | Airbag control unit |
| J519 | Onboard supply control unit |
| J527 | Steering column electronics control unit |
| N95 | Driver side airbag igniter |
| T4k | 4-pin connector, yellow |
| T12e | 12-pin connector, yellow |
| T16a | 16-pin connector |
| T50 | 50-pin connector |
| 372 | Earth connection 7, in main wiring harness |
Wiring Diagram VW CADDY 2012 - Turn signal switch - Headlight dipper and flasher switch - Intermittent wiper switch - Rear wiper switch - Intermittent wiper regulator - Washer pump switch (automatic wash/wipe and headlight washer system) - Cruise control system switch - Multifunction display call-up button - Multifunction display memory switch - Cruise control system (CCS) SET button - Onboard supply control unit - Steering column electronics control unit
| E2 | Turn signal switch |
| E4 | Headlight dipper and flasher switch |
| E22 | Intermittent wiper switch |
| E34 | Rear wiper switch |
| E38 | Intermittent wiper regulator |
| E44 | Washer pump switch (automatic wash/wipe and headlight washer system) |
| E45 | Cruise control system switch |
| E86 | Multifunction display call-up button |
| E109 | Multifunction display memory switch |
| E227 | Cruise control system (CCS) SET button |
| J519 | Onboard supply control unit |
| J527 | Steering column electronics control unit |
| T6bn | 6-pin connector, black |
| T8t | 8-pin connector, black |
| T9a | 9-pin connector, black |
| * | Only models with cruise control system (CCS) |
| *2 | Only models with multifunction display |
Wiring Diagram VW CADDY 2012 - Onboard supply control unit - Left fog light bulb - Left cornering light bulb - Left daytime running light bulb - Left side light bulb - Front left turn signal bulb - Left turn signal repeater bulb - Left headlight dipped beam bulb - Left headlight main beam bulb - Left headlight range control motor
| J519 | Onboard supply control unit |
| L22 | Left fog light bulb |
| L148 | Left cornering light bulb |
| L174 | Left daytime running light bulb |
| M1 | Left side light bulb |
| M5 | Front left turn signal bulb |
| M18 | Left turn signal repeater bulb |
| M29 | Left headlight dipped beam bulb |
| M30 | Left headlight main beam bulb |
| T10i | 10-pin connector, on left headlight |
| T52a | 52-pin connector, black |
| T52c | 52-pin connector, brown |
| V48 | Left headlight range control motor |
| 119 | Earth connection 1, in headlight wiring harness |
| 317 | Earth connection 7, in engine compartment wiring harness |
| A203 | Positive connection 7 (15a) in dash panel wiring harness |
| B457 | Connection 1 (potentiometer), in main wiring harness |
| * | Only models with fog lights |
| *2 | From May 2011 |
Wiring Diagram VW CADDY 2012 - Switch and instrument illumination regulator - Headlight range control regulator - Treble horn - Horn relay - Onboard supply control unit
| E20 | Switch and instrument illumination regulator |
| E102 | Headlight range control regulator |
| H2 | Treble horn |
| J413 | Horn relay |
| J519 | Onboard supply control unit |
| L105 | Illumination regulator illumination bulb |
| T8e | 8-pin connector |
| T52b | 52-pin connector, white |
| T52c | 52-pin connector, brown |
| 288 | Earth connection (HRC), in dash panel wiring harness |
| 317 | Earth connection 7, in engine compartment wiring harness |
| 640 | Earth point 2, left in engine compartment |
| A203 | Positive connection 7 (15a) in dash panel wiring harness |
| B457 | Connection 1 (potentiometer), in main wiring harness |
Wiring Diagram VW CADDY 2012 - Onboard supply control unit - Right fog light bulb - Right cornering light bulb - Right side light bulb - Front right turn signal bulb - Right turn signal repeater bulb - Right headlight dipped beam bulb - Right headlight main beam bulb - Right headlight range control motor
| J519 | Onboard supply control unit |
| L23 | Right fog light bulb |
| L149 | Right cornering light bulb |
| L175 | Right daytime running light bulb |
| M3 | Right side light bulb |
| M7 | Front right turn signal bulb |
| M19 | Right turn signal repeater bulb |
| M31 | Right headlight dipped beam bulb |
| M32 | Right headlight main beam bulb |
| T10j | 10-pin connector, on right headlight |
| T52a | 52-pin connector, black |
| T52c | 52-pin connector, brown |
| V49 | Right headlight range control motor |
| 120 | Earth connection 2, in headlight wiring harness |
| 288 | Earth connection (HRC), in dash panel wiring harness |
| 378 | Earth connection 13, in main wiring harness |
| 379 | Earth connection 14, in main wiring harness |
| 609 | Earth point, on right in plenum chamber |
| 656 | Earth point, on right headlight |
| A203 | Positive connection 7 (15a) in dash panel wiring harness |
| B457 | Connection 1 (potentiometer), in main wiring harness |
| * | Only models with fog lights |
Wiring Diagram VW CADDY 2012 - Light switch - Fog light switch - Rear fog light switch - Onboard supply control unit
| E1 | Light switch |
| E7 | Fog light switch |
| E18 | Rear fog light switch |
| J519 | Onboard supply control unit |
| L9 | Light switch illumination bulb |
| T10h | 10-pin connector |
| T52a | 52-pin connector, black |
| T52b | 52-pin connector, white |
| 374 | Earth connection 9, in main wiring harness |
| B340 | Connection 1 (58d), in main wiring harness |
| * | Only models with fog lights |
| *2 | According to equipment |
Wiring Diagram VW CADDY 2012 - Onboard supply control unit - Left tail light - Right tail light
| J519 | Onboard supply control unit |
| L46 | Rear left fog light bulb |
| M2 | Right tail light bulb |
| MX3 | Left tail light |
| M4 | Left tail light bulb |
| MX4 | Right tail light |
| M6 | Rear left turn signal bulb |
| M8 | Rear right turn signal bulb |
| M9 | Left brake light bulb |
| M10 | Right brake light bulb |
| M16 | Left reversing light bulb |
| M17 | Right reversing light bulb |
| T6i | 6-pin connector, black |
| T6j | 6-pin connector, black |
| T52a | 52-pin connector, black |
| T52b | 52-pin connector, white |
| T52c | 52-pin connector, brown |
| 382 | Earth connection 17, in main wiring harness |
| 383 | Earth connection 18, in main wiring harness |
| 662 | Earth point, rear left side panel |
| 663 | Earth point, rear right side panel |
| B182 | Connection (RL), in interior wiring harness |
| * | Optional equipment |
| *2 | Only models with wing doors |
| *3 | Only models with rear lid |
| *4 | According to equipment |
| *5 | Only models with basic equipment |
Wiring Diagram VW CADDY 2012 - Onboard supply control unit - Additional brake light bulb - Left number plate light - Right number plate light
| J519 | Onboard supply control unit |
| M25 | Additional brake light bulb |
| T2v | 2-pin connector, in rear lid, black |
| T2w | 2-pin connector, in rear left wing door, black |
| T5e | 5-pin connector, in rear left side panel, black |
| T5g | 5-pin connector, in rear left side panel, light pink |
| T52a | 52-pin connector, black |
| T52c | 52-pin connector, brown |
| X4 | Left number plate light |
| X5 | Right number plate light |
| 98 | Earth connection, in rear lid wiring harness |
| 168 | Earth connection, in rear left wing door wiring harness |
| 382 | Earth connection 17, in main wiring harness |
| * | Only models with rear lid |
| *2 | Only models with wing doors |
| *3 | According to equipment |
| *4 | Only models with rear window wiper |
Wiring Diagram VW CADDY 2012 - Hazard warning lights button - Reversing light switch - Bonnet contact switch - Onboard supply control unit - Left washer jet heater element - Right washer jet heater element
| E229 | Hazard warning lights button |
| F4 | Reversing light switch |
| F266 | Bonnet contact switch |
| J519 | Onboard supply control unit |
| K6 | Indicator lamp for hazard warning light |
| T2y | 2-pin connector, near right headlight |
| T4 | 4-pin connector |
| T52a | 52-pin connector, black |
| T52b | 52-pin connector, white |
| T52c | 52-pin connector, brown |
| Z20 | Left washer jet heater element |
| Z21 | Right washer jet heater element |
| 47 | Earth point, in front right footwell |
| 373 | Earth connection 8, in main wiring harness |
| 377 | Earth connection 12, in main wiring harness |
| B346 | Connection 1 (75), in main wiring harness |
| * | Not for models with dual clutch gearbox |
| *2 | From May 2011 |
| *3 | Only models with heated washer jets |
| *4 | Only models with air conditioning system/ Climatronic |
| *5 | Only models with no air conditioning system/Climatronic |
| *6 | Only models with seat heating |
Wiring Diagram VW CADDY 2012 - Rain and light sensor - Wiper motor control unit - Onboard supply control unit - Windscreen wiper motor - Washer pump - Windscreen and rear window washer pump
| G397 | Rain and light sensor |
| J400 | Wiper motor control unit |
| J519 | Onboard supply control unit |
| T3w | 3-pin connector |
| T4p | 4-pin connector |
| T52a | 52-pin connector, black |
| T52b | 52-pin connector, white |
| V | Windscreen wiper motor |
| V5 | Washer pump |
| V59 | Windscreen and rear window washer pump |
| 609 | Earth point, on right in plenum chamber |
| B162 | Connection (75a), in interior wiring harness |
| B183 | Connection 1 (washer pump), in interior wiring harness |
| B184 | Connection 2 (washer pump), in interior wiring harness |
| B528 | Connection 1 (LIN bus) in main wiring harness |
| * | Only models with rain and light sensor |
| *2 | Up to April 2011 |
| *3 | Only models with rear window wiper |
| *4 | Only models with no rain and light sensor |
| *5 | Only models with no rear window wiper |
| *6 | From May 2011 |
Wiring Diagram VW CADDY 2012 - Heated rear window relay - Onboard supply control unit - Rear window wiper motor - Heated rear window in left wing door - Heated rear window in right wing door
| J9 | Heated rear window relay |
| J519 | Onboard supply control unit |
| T5b | 5-pin connector |
| T5c | 5-pin connector, in rear right side panel, light pink |
| T5e | 5-pin connector, in rear left side panel, black |
| T5f | 5-pin connector, in rear left side panel, light pink |
| T52b | 52-pin connector, white |
| V12 | Rear window wiper motor |
| Z26 | Heated rear window in left wing door |
| Z27 | Heated rear window in right wing door |
| 663 | Earth point, rear right side panel |
| B180 | Connection (heated rear window), in interior wiring harness |
| B183 | Connection 1 (washer pump), in interior wiring harness |
| B184 | Connection 2 (washer pump), in interior wiring harness |
| * | Only models with rear lid |
| *2 | Only models with rear window wiper |
| *3 | Only models with wing doors |
Wiring Diagram VW CADDY 2012 - Onboard supply control unit - Rear window wiper motor - Heated rear window
| J519 | Onboard supply control unit |
| T4 | 4-pin connector |
| T5c | 5-pin connector, in rear right side panel, light pink |
| T5e | 5-pin connector, in rear left side panel, black |
| V12 | Rear window wiper motor |
| Z1 | Heated rear window |
| 209 | Earth connection 6, in engine compartment wiring harness |
| 376 | Earth connection 11, in main wiring harness |
| 655 | Earth point, on left headlight |
| 663 | Earth point, rear right side panel |
| * | Only models with rear lid |
Wiring Diagram VW CADDY 2012 - Glove compartment light switch - Brake light switch - Onboard supply control unit - Luggage compartment light - Glove compartment light
| E26 | Glove compartment light switch |
| F | Brake light switch |
| F5 | Luggage compartment light switch |
| F357 | Left luggage compartment light switch |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| T1 | Single connector |
| T3a | 3-pin connector |
| T3g | 3-pin connector |
| T4w | 4-pin connector |
| T5g | 5-pin connector, in rear left side panel, light pink |
| T52a | 52-pin connector, black |
| T52b | 52-pin connector, white |
| T52c | 52-pin connector, brown |
| W3 | Luggage compartment light |
| W6 | Glove compartment light |
| 209 | Earth connection 6, in engine compartment wiring harness |
| B131 | Connection (54), in interior wiring harness |
| B559 | Positive connection 1 (30g) in main wiring harness |
| D106 | Connection 4 in engine compartment wiring harness |
| W22 | Connection (door contact switch), in rear wiring harness |
| * | Up to April 2011 |
| *2 | Only models with luggage compartment light |
| *3 | Only models with wing doors |
| *4 | Only models with rear lid |
| *5 | Only models with no luggage compartment light |
| *6 | From May 2011 |
Wiring Diagram VW CADDY 2012 - Anti-dazzle interior mirror button - Onboard supply control unit - Front interior light - Rear interior light - Automatic anti-dazzle interior mirror
| E386 | Anti-dazzle interior mirror button |
| J519 | Onboard supply control unit |
| T3e | 3-pin connector |
| T3h | 3-pin connector |
| T6ab | 6-pin connector |
| T52c | 52-pin connector, brown |
| W1 | Front interior light |
| W13 | Front passenger reading light |
| W19 | Driver side reading light |
| W43 | Rear interior light |
| Y7 | Automatic anti-dazzle interior mirror |
| 97 | Earth connection 1, in air conditioning system wiring harness |
| 370 | Earth connection 5, in main wiring harness |
| 602 | Earth point, in front left footwell |
| B154 | Connection 1 (DCt), in interior wiring harness |
| B559 | Positive connection 1 (30g) in main wiring harness |
| * | Only models with rain and light sensor |
| *2 | Only Camper |
| *3 | Not for Camper |
| *4 | From May 2011 |
Wiring Diagram VW CADDY 2012 - Fresh air blower switch - Heater/heat output switch - Onboard supply control unit - Fresh air blower series resistor with overheating fuse - Fresh air blower - Air recirculation flap control motor
| E9 | Fresh air blower switch |
| E16 | Heater/heat output switch |
| E159 | Fresh air and air recirculation flap switch |
| E230 | Heated rear window button |
| G143 | Potentiometer for air recirculation flap control motor |
| J485 | Auxiliary heater operation relay |
| J519 | Onboard supply control unit |
| K10 | Heated rear window warning lamp |
| K114 | Fresh air and air recirculation warning lamp |
| L16 | Fresh air regulator illumination bulb |
| N24 | Fresh air blower series resistor with overheating fuse |
| T4ae | 4-pin connector |
| T5 | 5-pin connector |
| T6bj | 6-pin connector |
| T10k | 10-pin connector, behind dash panel, right |
| T20c | 20-pin connector |
| T52a | 52-pin connector, black |
| T52b | 52-pin connector, white |
| T52c | 52-pin connector, brown |
| V2 | Fresh air blower |
| V113 | Air recirculation flap control motor |
| L66 | Connection, in heater blower wiring harness |
| L75 | Connection 2, in heater blower wiring harness |
| * | Only models with auxiliary coolant heater |
| *2 | Only models with no auxiliary coolant heater |
| *3 | Only models with start/stop system |
Wiring Diagram VW CADDY 2012 - Onboard supply control unit - Data bus diagnostic interface - Diagnostic connection
| J519 | Onboard supply control unit |
| J533 | Data bus diagnostic interface, on left under dash panel |
| J743 | Mechatronic unit for dual clutch gearbox |
| T16 | 16-pin connector |
| T20 | 20-pin connector, red |
| T20e | 20-pin connector |
| T52c | 52-pin connector, brown |
| U31 | Diagnostic connection |
| 367 | Earth connection 2, in main wiring harness |
| A178 | Connection (infotainment CAN bus, high), in dash panel wiring harness |
| A179 | Connection (infotainment CAN bus, low), in dash panel 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 2012 - Control unit in dash panel insert - Onboard supply control unit - Data bus diagnostic interface
| J285 | Control unit in dash panel insert |
| J519 | Onboard supply control unit |
| J533 | Data bus diagnostic interface, on left under dash panel |
| T20 | 20-pin connector, red |
| T32 | 32-pin connector, blue |
| T52a | 52-pin connector, black |
| 367 | Earth connection 2, in main wiring harness |
Wiring Diagram VW CADDY 2012 - Immobiliser reader coil - Handbrake warning switch - Brake fluid level warning contact - Control unit in dash panel insert - Bulb failure warning lamp
| D2 | Immobiliser reader coil |
| F1 | Oil pressure switch |
| F9 | Handbrake warning switch |
| F34 | Brake fluid level warning contact |
| J285 | Control unit in dash panel insert |
| J362 | Immobiliser control unit |
| K2 | Alternator warning lamp |
| K3 | Oil pressure warning lamp |
| K32 | Brake pad warning lamp |
| K33 | Brake fluid level warning lamp |
| K65 | Left turn signal warning lamp |
| K94 | Right turn signal warning lamp |
| K117 | Immobiliser warning lamp |
| K118 | Brake system warning lamp |
| K170 | Bulb failure warning lamp |
| T14a | 14-pin connector, near left headlight, black |
| T32 | 32-pin connector, blue |
Wiring Diagram VW CADDY 2012 - Fuel gauge - Coolant temperature gauge - Ambient temperature sensor - Coolant shortage indicator sender - Windscreen washer fluid level sender - Multifunction indicator - Control unit in dash panel insert - Coolant temperature and coolant shortage warning lamp - Washer fluid level warning lamp - Reserve fuel warning lamp - Bonnet open warning lamp
| G | Fuel gauge sender |
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| G17 | Ambient temperature sensor |
| G32 | Coolant shortage indicator sender |
| G33 | Windscreen washer fluid level sender |
| H3 | Buzzer and gong |
| J119 | Multifunction indicator |
| J285 | Control unit in dash panel insert |
| K28 | Coolant temperature and coolant shortage warning lamp |
| K31 | Cruise control system warning lamp |
| K37 | Washer fluid level warning lamp |
| K105 | Reserve fuel warning lamp |
| K171 | Bonnet open warning lamp |
| T5a | 5-pin connector |
| T32 | 32-pin connector, blue |
| 410 | Earth connection 1 (sender earth) in main wiring harness |
Wiring Diagram VW CADDY 2012 - Rev. counter - Speedometer - Control unit in dash panel insert - Main beam warning lamp - Side light warning lamp - Rear fog light warning lamp - Engine electronics warning lamp - Door open warning lamp - Trip counter
| G5 | Rev. counter |
| G21 | Speedometer |
| J285 | Control unit in dash panel insert |
| K1 | Main beam warning lamp |
| K4 | Side light warning lamp |
| K13 | Rear fog light warning lamp |
| K149 | Engine electronics warning lamp |
| K166 | Door open warning lamp |
| Y4 | Trip counter |
| * | Output for speed signal |
Wiring Diagram VW CADDY 2012 - Cigarette lighter - 12 V socket - 12 V socket 2
| L28 | Cigarette lighter illumination bulb |
| T3bs | 3-pin connector |
| T3d | 3-pin connector |
| U1 | Cigarette lighter |
| U5 | 12 V socket, in rear centre console |
| U18 | 12 V socket 2, in rear left side panel |
| 47 | Earth point, in front right footwell |
| 375 | Earth connection 10, in main wiring harness |
| 602 | Earth point, in front left footwell |
| 605 | Earth point, on top end of steering column |
| A56 | Positive connection 2 (30), in dash panel wiring harness |
| * | According to equipment |
| *2 | From May 2011 |
| *3 | Only models with 12 V socket |
VW CADDY 2012 Overview of all control units
| 1 - | ABS control unit -J104- |
| q | Fitting location → Chapter |
| q | Connector assignment → Chapter |
| 2 - | Engine control unit -J623- |
| q | Fitting location → Chapter |
| q | Connector assignment for 121-pin connector -T121- → Chapter |
| q | Connector assignment for 60-pin connector -T60- and 94-pin connector -T94- → Chapter |
| 3 - | Front passenger door control unit -J387- |
| q | Fitting location → Chapter |
| q | Connector assignment → Chapter |
| 4 - | Control unit for cornering light and headlight range control -J745- |
| q | Fitting location → Chapter |
| 5 - | Mobile telephone operating electronics control unit -J412- |
| q | Fitting location → Chapter |
| q | Connector assignment → Chapter |
| 6 - | Control unit in dash panel insert -J285- |
| q | Connector assignment → Chapter |
| 7 - | Steering column electronics control unit -J527- |
| q | Fitting location → Chapter |
| q | Connector assignment → Chapter |
| 8 - | Data bus diagnostic interface -J533- |
| q | Fitting location → Chapter |
| q | Connector assignment → Chapter |
| 9 - | Trailer detector control unit -J345- |
| q | Fitting location → Chapter |
| q | Connector assignment → Chapter |
| 10 - | Parking aid control unit -J446- (2JB ) |
| q | Fitting location → Chapter |
| 11 - | All-wheel drive control unit -J492- |
| q | Fitting location → Chapter |
| 12 - | Heated front seats control unit -J774- |
| q | Fitting location → Chapter |
| 13 - | Driver door control unit -J386- |
| q | Fitting location → Chapter |
| q | Connector assignment → Chapter |
| 14 - | Remote control receiver for auxiliary coolant heater -R149- |
| q | Fitting location → Chapter |
| 15 - | Onboard supply control unit -J519- |
| q | Fitting location → Chapter |
| q | Connector assignment of 52-pin connector -T52a- black → Chapter |
| q | Connector assignment of 52-pin connector -T52b- white → Chapter |
| q | Connector assignment of 52-pin connector -T52c- brown → Chapter |
| 16 - | Park assist steering control unit -J791- (7X5 ),Parking aid control unit -J446- (2JG, 2JX ) |
| q | Fitting location → Chapter |
| q | Connector assignment → Chapter |
| 17 - | Voltage stabiliser -J532- |
| q | Fitting location → Chapter |
| 18 - | Special vehicle control unit -J608- |
| q | Fitting location → Chapter |
| 19 - | Power steering control unit -J500- |
| q | Fitting location → Chapter |
| q | Connector assignment → Chapter |
| 20 - | Airbag control unit -J234- |
| q | Fitting location → Chapter |
| q | Connector assignment → Chapter |
| 21 - | Battery monitoring control unit -J367- |
| q | Fitting location → Chapter |
| 22 - | Wiper motor control unit -J400- |
| q | Fitting location → Chapter |
|
|
| 121-pin connector assignment: |
| A - | Engine control unit -J623- |
| Connector: |
| B - | 81-pin connector -T81- (Pin 1 - Pin 81) |
| C - | 40-pin connector -T40- (Pin 82 - Pin 121) |
Note
| The 40-pin connector -T40- and the 81-pin connector -T81- are represented in the wiring diagram as a 121-pin connector -T121- . |
|
| 154-pin connector assignment: |
| A - | Engine control unit -J623- |
| Connector: |
| B - | 94-pin connector -T94- |
| C - | 60-pin connector -T60- |
|
|
| Connector assignment: |
| A - | Power steering control unit -J500- |
| Connector: |
| B - | 2-pin connector -T2b- |
| C - | 3-pin connector -T3o- |
| D - | 5-pin connector -T5s- |
|
|
| Connector assignment: |
| A - | ABS control unit -J104- |
| q | with ESP only |
| Connector: |
| B - | 47-pin connector, on wiring harness (T47) |
|
|
| Connector assignment: |
| A - | Airbag control unit -J234- |
| Connector: |
| B - | 50-pin connector -T50- |
|
Note
|
| Connector assignment: |
| A - | Front passenger door control unit -J387- |
| Connector: |
| B - | 32-pin connector -T32a- |
| C - | 16-pin connector -T16g- |
| D - | 20-pin connector -T20b- |
|
|
| Connector assignment |
| A - | Mobile telephone operating electronics control unit -J412- |
| Connector: |
| B - | 54-pin connector -T54- |
|
|
|
| Connector assignment: |
| A - | Trailer detector control unit -J345- |
| Connector: |
| B - | 16-pin connector -T16x- |
| C - | 12-pin connector -T12m- |
|
|
| Connector assignment → Chapter |
| 1 - | Steering column electronics control unit -J527- |
| q | under steering column, near steering column switch |
| Connector assignment: |
| A - | 16-pin connector -T16a- |
| 1 - Terminal 30 |
| 2 - Terminal 31 |
| 3 - connector 1 (convenience CAN bus, low), in main wiring harness -B406- |
| 4 - connector 1 (convenience CAN bus, low), in main wiring harness -B397- |
| 5 - Engine control unit -J623- (CCS off) |
| 6 - Onboard supply control unit -J519- or Engine control unit -J623- (terminal 50) |
| 7 - Not assigned |
| 8 - Not assigned |
| 9 - Not assigned |
| 10 - Not assigned |
| 11 - Selector lever sensors control unit -J587- (P) |
| 12 - Not assigned |
| 13 - Not assigned |
| 14 - Onboard supply control unit -J519- (terminal 15) |
| 15 - Not assigned |
| 16 - Not assigned |
| B - | 4-pin connector, yellow -T4k- |
| 1 - Airbag 1 - |
| 2 - Airbag 1 + |
| 3 - Not assigned |
| 4 - Not assigned |
|
|
|
|
| Connector assignment: |
| A - | Driver door control unit -J386- |
| Connector: |
| B - | 32-pin connector -T32b- (only vehicles with window regulator) |
| - | 16-pin connector -T16e- (only for vehicles without window regulator, not shown) |
| C - | 16-pin connector -T16f- |
| D - | 20-pin connector -T20a- |
|
|
| 52-pin connector -T52a- black -A- |
| 1 - | Fuse 26 on fuse holder B -SB26- (Terminal 30a) |
| t | Onboard supply control unit -J519- |
| t | Left fog light bulb -L22- , or left cornering light bulb -L148- |
| t | Rear left fog light bulb -L46- , or rear right fog light bulb -L47- |
| t | Left daytime running light bulb -L174- |
| t | Right side light bulb -M3- |
| t | Left tail light bulb -M4- |
| t | Front left turn signal bulb -M5- |
| t | Rear right turn signal bulb -M8- |
| t | Right brake light bulb -M10- |
| t | Left reversing light bulb -M16- |
| t | Right turn signal repeater bulb -M19- |
| t | Left headlight dipped beam bulb -M29- |
| t | Left headlight main beam bulb -M30- |
| 2 - | - |
| 3 - | Right turn signal repeater bulb -M19- |
| 4 - | Left turn signal repeater bulb -M18- |
| 5 - | Left headlight main beam bulb -M30- |
| 6 - | Left daytime running light bulb -L174- (2-filament light bulb) |
| 7 - | - |
| 8 - | - |
| 9 - | Rear right turn signal bulb -M8- |
| 10 - | Front left turn signal bulb -M5- |
| 11 - | Left headlight dipped beam bulb -M29- |
| 12 - | Connection (door contact switch), in rear wiring harness -W22- , luggage compartment light switch -F5- , rear lid lock unit -F256- , luggage compartment light -W3- |
| 13 - | Rear lid handle release button -E234- |
| 14 - | Bonnet contact switch -F266- |
| 15 - | Rear right central locking lock unit -F223- |
| 16 - | Reversing light switch -F4- |
| 17 - | Rear fog light switch -E18- |
| 18 - | Light switch -E1- (Daytime running light) |
| 19 - | Light switch -E1- (Side lights) |
| 20 - | Light switch -E1- (Driving light assist) |
| 21 - | Fog light switch -E7- |
| 22 - | Light switch -E1- (Headlight dipped beam) |
| 23 - | Earth connection -31- |
| 24 - | Fuse 3 on fuse holder B -SB3- (terminal 30_ref) |
| 25 - | Left fog light bulb -L22- , left cornering light bulb -L148- |
| 26 - | Right brake light bulb -M10- |
| 27 - | Left tail light bulb -M4- (2-filament light bulb) |
| 28 - | Left reversing light bulb -M16- |
| 29 - | Contact switch for rear left door -F227- , rear lid lock unit -F256- |
| 30 - | Rear right door contact switch -F11- |
| 31 - | - |
| 32 - | Rear left interior locking button -E310- |
| 33 - | Interior illumination switch -E599- , Rear left door lock unit -VX23- , Surround lighting 1 in rear lid -W61- , Surround lighting 2 in rear lid -W62- |
| 34 - | Rear left central locking lock unit -F222- |
| 35 - | Heater/heat output switch -E16- |
| 36 - | Interior monitoring deactivation switch -E267- |
| 37 - | - |
| 38 - | Rear left central locking lock unit -F222- |
| 39 - | - |
| 40 - | Rear right central locking lock unit -F223- |
| 41 - | Rear left door contact switch -F10- |
| 42 - | Earth connection -31- |
| 43 - | Washer pump -V5- , Rear window wiper motor -V12- , windscreen and rear window washer pump -V59- |
| 44 - | Right side light bulb -M3- (2-filament light bulb) |
| 45 - | High-mounted brake light bulb -M25- |
| 46 - | Rear lid release motor -V139- |
| 47 - | - |
| 48 - | Left sliding door central locking motor -V95- |
| 49 - | Right sliding door central locking motor -V58- |
| 50 - | - |
| 51 - | - |
| 52 - | - |
|
| 52-pin connector -T52b- white-B- |
| 1 - | Fuse 50 on fuse holder C -SC50- (terminal 30_ZV) |
| 2 - | Washer pump -V5- , Rear window wiper motor -V12- , windscreen and rear window washer pump -V59- |
| 3 - | - |
| 4 - | - |
| 5 - | Rear left door lock unit -VX23- |
| 6 - | - |
| 7 - | Left sliding door central locking motor -V95- |
| 8 - | Right sliding door central locking motor -V58- |
| 9 - | - |
| 10 - | - |
| 11 - | Rear lid release motor -V139- |
| 12 - | Terminal 15 voltage supply relay -J329- |
| 13 - | - |
| 14 - | Heater/heat output switch -E16- |
| 15 - | Switch and instrument illumination regulator -E20- |
| 16 - | Rear left interior locking button -E310- |
| 17 - | - |
| 18 - | - |
| 19 - | - |
| 20 - | - |
| 21 - | Heated front seats control unit -J774- |
| 22 - | Heated rear window relay -J9- |
| 23 - | - |
| 24 - | Indicator lamp for hazard warning light -K6- |
| 25 - | - |
| 26 - | - |
| 27 - | - |
| 28 - | X-contact relief relay -J59- |
| 29 - | Engine control unit -J623- , terminal 50 voltage supply relay -J682- |
| 30 - | Switch and instrument illumination regulator -E20- |
| 31 - | - |
| 32 - | - |
| 33 - | Wiper motor control unit -J400- , rain and light sensor -G397- (LIN bus) |
| 34 - | - |
| 35 - | - |
| 36 - | Alarm horn -H12- , interior monitoring sensor -G273- , vehicle inclination sender -G384- , Anti-theft alarm sensor -G578- (LIN bus) |
| 37 - | Interior monitoring deactivation switch -E267- |
| 38 - | Fuel pump relay -J17-Fuel supply relay -J643- |
| 39 - | - |
| 40 - | Headlight washer system relay -J39- |
| 41 - | Horn relay -J413- |
| 42 - | Fuse 46 on fuse holder C -Klemme- 30a |
| t | Front interior light -W1- |
| t | Luggage compartment light -W3- |
| t | Glove compartment light -W6- |
| t | Rear interior light -W43- |
| 43 - | (Terminal 30g) |
| t | Front interior light -W1- |
| t | Luggage compartment light -W3- |
| t | Glove compartment light -W6- |
| t | Rear interior light -W43- |
| 44 - | - |
| 45 - | - |
| 46 - | - |
| 47 - | - |
| 48 - | - |
| 49 - | - |
| 50 - | Rear left fog light bulb -L46- (2-filament light bulb) or rear right fog light bulb -L47- (2-filament light bulb) |
| 51 - | Terminal -58d- |
| 52 - | Earth connection -31- |
|
| 52-pin connector -T52c- brown -C- |
| 1 - | Fuse 24 on fuse holder C -SC24- (terminal 30DWA) |
| t | Alarm horn -H12- |
| t | Interior monitoring sensor -G273- |
| 2 - | - |
| 3 - | Right tail light bulb -M2- (2-filament light bulb) |
| 4 - | Left brake light bulb -M9- |
| 5 - | Earth connection -31- |
| 6 - | - |
| 7 - | Hazard warning lights button -E229- |
| 8 - | - |
| 9 - | - |
| 10 - | Front interior light -W1- , Rear interior light -W43-Terminal -TK- |
| 11 - | - |
| 12 - | - |
| 13 - | Steering column electronics control unit -J527-Terminal -15- |
| 14 - | Steering column electronics control unit -J527-Terminal -50- |
| 15 - | Connection 1 (convenience CAN bus, high), in main wiring harness -B397- |
| 16 - | Connection 1 (convenience CAN bus, low), in main wiring harness -B406- |
| 17 - | Terminal -54- |
| 18 - | - |
| 19 - | - |
| 20 - | - |
| 21 - | - |
| 22 - | - |
| 23 - | - |
| 24 - | - |
| 25 - | Right fog light bulb -L23- , or right cornering light bulb -L149- |
| 26 - | Left side light bulb -M1- (2-filament light bulb) |
| 27 - | Licence plate light -X- |
| 28 - | Right reversing light bulb -M17- , automatic anti-dazzle interior mirror -Y7- |
| 29 - | - |
| 30 - | Clutch position sender -G476- , or mechatronic unit for dual clutch gearbox -J743- PN signal, orterminal -31- |
| 31 - | Steering column electronics control unit -J527-Terminal -15- |
| 32 - | Alternator -C- , Heater/heat output switch -E16- |
| 33 - | - |
| 34 - | Connection (diagnosis), in interior wiring harness -B159- |
| t | Voltage stabiliser -J532- |
| t | Starter relay 1 -J906- |
| t | Engine control unit -J623- |
| 35 - | Switch and instrument illumination regulator -E20- |
| 36 - | - |
| 37 - | - |
| 38 - | - |
| 39 - | - |
| 40 - | - |
| 41 - | - |
| 42 - | Fuse 16 on fuse holder B -SB16- (Terminal 30a) |
| t | Right fog light bulb -L23- , or right cornering light bulb -L149- |
| t | Rear left fog light bulb -L46- , or rear right fog light bulb -L47- |
| t | Right daytime running light bulb -L175- |
| t | Left side light bulb -M1- |
| t | Right tail light bulb -M2- |
| t | Rear left turn signal bulb -M6- |
| t | Front right turn signal bulb -M7- |
| t | Left brake light bulb -M9- |
| t | Right reversing light bulb -M17- |
| t | Left turn signal repeater bulb -M18- |
| t | High-mounted brake light bulb -M25- |
| t | Right headlight dipped beam bulb -M31- |
| t | Right headlight main beam bulb -M32- |
| 43 - | - |
| 44 - | - |
| 45 - | - |
| 46 - | Right headlight main beam bulb -M32- |
| 47 - | Right daytime running light bulb -L175- (2-filament light bulb) |
| 48 - | - |
| 49 - | - |
| 50 - | Front right turn signal bulb -M7- |
| 51 - | Rear left turn signal bulb -M6- |
| 52 - | Right headlight dipped beam bulb -M31- |
|
|
| Connector assignment: |
| A - | Park assist steering control unit -J791- (7X5 ),Parking aid control unit -J446- (2JG, 2JX ) |
| Connectors: |
| B - | 12-pin connector, black -T12f- , 12-pin connector, black -T12g- |
| C - | 12-pin connector, brown -T12e- |
| D - | 16-pin connector, brown -T16k- , 16-pin connector, brown -T16l- |
|
|
| Connector assignment: |
| A - | Data bus diagnostic interface -J533- |
| Connector: |
| B - | 20-pin connector, red -T20- |
|
| 1 - | Voltage stabiliser -J532- |
| A - | 12-pin connector, black -T12c- |
|
| Dash panel insert -K- with control unit in dash panel insert -J285- |
| Connector assignment for 32-pin connector, blue -T32- |
| 1 - | Fuel gauge sensor -G- (full) |
| 2 - | Fuel gauge sensor -G- (empty) |
| 3 - | Fuel gauge sensor 2 -G169- (full) |
| 4 - | Fuel gauge sensor 2 -G169- (empty) |
| 5 - | - |
| 6 - | - |
| 7 - | Immobiliser reader coil -D2- |
| 8 - | Immobiliser reader coil -D2- |
| 9 - | Output for speed signal |
| 10 - | - |
| 11 - | Oil level and oil temperature sender -G266- |
| 12 - | - |
| 13 - | - |
| 14 - | - |
| 15 - | - |
| 16 - | Terminal 31 |
| 17 - | Windscreen washer fluid level sender -G33- (washer fluid level warning lamp -K37- ) |
| 18 - | Coolant shortage indicator sender -G32- (coolant temperature and coolant shortage warning lamp -K28- ) |
| 19 - | Ambient temperature sensor -G17- |
| 20 - | Earth for sensor |
| 21 - | - |
| 22 - | - |
| 23 - | - |
| 24 - | - |
| 25 - | Handbrake warning switch -F9- (handbrake warning lamp -K139- ) |
| 26 - | Brake fluid level warning contact -F34- (brake fluid level warning lamp -K33- ) |
| 27 - | Oil pressure switch -F1- (oil pressure warning lamp -K3- ) |
| 28 - | Data bus diagnostic interface -J533- CAN bus, high |
| 29 - | Data bus diagnostic interface -J533- CAN bus, low |
| 30 - | - |
| 31 - | Terminal 15a |
| 32 - | Terminal 30a |
|
| 1 - | Wiper motor control unit -J400- |
| A - | 4-pin connector, black -T4p- |
|
| 1 - | Battery monitoring control unit -J367- |
| A - | 2-pin connector -T2- |
Note
|
| 1 - | Control unit for cornering light and headlight range control -J745- |
| A - | 26-pin connector -T26b- |
Note
|
| 1 - | Remote control receiver for auxiliary coolant heater -R149- |
| A - | 6-pin connector, blue -T6v- |
| B - | Aerial connection point |
|
