Wiring Diagram VW PASSAT 2013 - Earth strap - battery - body - Earth point - lower part of right A-pillar - Earth point - lower part of left A-pillar - Earth connection - in rear right door wiring harness - Earth point - starter battery - Earth point - left A-pillar
| A | Battery |
| E718 | Rear passenger side interior locking button for central locking system |
| F11 | Rear right door contact switch |
| J387 | Front passenger door control unit |
| J927 | Rear passenger side door control unit |
| T2v | 2-pin connector |
| T4by | 4-pin connector |
| T8t | 8-pin connector |
| T10a | 10-pin connector, behind glove compartment |
| T16 | 16-pin connector |
| T20b | 20-pin connector |
| T28a | 28-pin connector |
| T28c | 28-pin connector, lower part of B-pillar, front passenger side |
| V2 | Fresh air blower |
| VX24 | Rear right door lock unit |
| Z35 | Auxiliary air heater element |
| |
| |
| 44 | Earth point, lower part of left A-pillar |
| 81 | Earth connection 1, in dash panel wiring harness |
| 206 | Earth connection, in front passenger door wiring harness |
| 208 | Earth connection, in rear right door wiring harness |
| |
| |
| * | Only models with battery in luggage compartment |
| *2 | Only models with battery in engine compartment |
Wiring Diagram VW PASSAT 2013 - Earth point - on left in engine compartment - Earth point - lower part of right A-pillar - Earth connection 2 - in seat adjustment wiring harness - Earth connection 3 - in seat heating wiring harness - Earth point 2 - left in engine compartment
| C24 | Suppression filter |
| E177 | Front passenger seat lumbar support adjustment switch |
| E418 | Seat longitudinal adjustment button |
| E424 | Seat height adjustment button |
| E425 | Backrest adjustment button |
| E471 | Front passenger seat adjustment operating unit |
| G60 | Front passenger seat temperature sensor |
| J293 | Radiator fan control unit |
| J500 | Power steering control unit |
| T2a | 2-pin connector |
| T2e | 2-pin connector, in seat |
| T3g | 3-pin connector |
| T3h | 3-pin connector |
| T4x | 4-pin connector |
| T6ai | 6-pin connector |
| T6gb | 6-pin connector |
| T10i | 10-pin connector, under front passenger seat |
| TV2 | Terminal 30 wiring junction |
| U1 | Cigarette lighter |
| U6 | Jump start socket |
| U18 | 12 V socket 2 |
| Z9 | Heated backrest for front passenger seat |
| |
| |
| 140 | Earth connection 2, in seat adjustment wiring harness |
| 145 | Earth connection 3, in seat heating wiring harness |
| 374 | Earth connection 9, in main wiring harness |
| |
| * | Only models with 6-cylinder engine |
| *2 | Front passenger seat with no memory function |
Wiring Diagram VW PASSAT 2013 - Earth point - on right in engine compartment - Earth point - on right A-pillar - Earth point - on left headlight
| H7 | Bass horn |
| J104 | ABS control unit |
| J245 | Sliding sunroof adjustment control unit |
| J743 | Mechatronic unit for dual clutch gearbox |
| L23 | Right fog light bulb |
| L175 | Right daytime running light bulb |
| MX2 | Front right headlight |
| M31 | Right headlight dipped beam bulb |
| M32 | Right headlight main beam bulb |
| M34 | Front right side marker bulb |
| M36 | Front right turn signal and side marker bulb |
| T2dh | 2-pin connector |
| T2dj | 2-pin connector |
| T10r | 10-pin connector |
| T16s | 16-pin connector |
| T20e | 20-pin connector |
| T47 | 47-pin connector |
| V1 | Sliding sunroof motor |
| |
| 85 | Earth connection 1, in engine compartment wiring harness, Gearbox prewiring |
| 124 | Earth connection, in right side engine compartment wiring harness |
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| |
| |
Wiring Diagram VW PASSAT 2013 - Earth point - lower part of right A-pillar - Earth connection 1 - in main wiring harness - Earth point - on left headlight
| E229 | Hazard warning lights button |
| E232 | Key operated switch to block release of rear lid remote |
| F125 | Multifunction switch |
| G238 | Air quality sensor |
| J217 | Automatic gearbox control unit |
| J519 | Onboard supply control unit |
| J533 | Data bus diagnostic interface |
| K6 | Indicator lamp for hazard warning light |
| L152 | Front right footwell illumination bulb |
| T2bg | 2-pin connector |
| T2br | 2-pin connector |
| T2bt | 2-pin connector |
| T2bu | 2-pin connector |
| T3aw | 3-pin connector |
| T6c | 6-pin connector |
| T6v | 6-pin connector |
| T10o | 10-pin connector |
| T20 | 20-pin connector |
| T52 | 52-pin connector |
| T52a | 52-pin connector |
| W6 | Glove compartment light |
| Z20 | Left washer jet heater element |
| Z21 | Right washer jet heater element |
| |
| 114 | Earth connection, in automatic gearbox wiring harness |
| 366 | Earth connection 1, in main wiring harness |
| 370 | Earth connection 5, in main wiring harness |
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Wiring Diagram VW PASSAT 2013 - Earth connection 1 - in main wiring harness - Earth connection 23 - in main wiring harness
| E1 | Light switch |
| EX6 | Driver exterior door handle |
| E20 | Switch and instrument illumination regulator |
| E232 | Key operated switch to block release of rear lid remote |
| E492 | Tyre Pressure Loss Indicator button |
| F9 | Handbrake warning switch |
| F189 | Tiptronic switch |
| F319 | Selector lever locked in position P switch |
| G65 | High-pressure sender |
| J255 | Climatronic control unit |
| J301 | Air conditioning system control unit |
| J518 | Entry and start authorisation control unit |
| J519 | Onboard supply control unit |
| J587 | Selector lever sensors control unit |
| T2w | 2-pin connector |
| T3c | 3-pin connector |
| T4c | 4-pin connector |
| T6ak | 6-pin connector |
| T6v | 6-pin connector |
| T10h | 10-pin connector |
| T10s | 10-pin connector |
| T20c | 20-pin connector |
| T28a | 28-pin connector |
| T32e | 32-pin connector |
| T52a | 52-pin connector |
| 366 | Earth connection 1, in main wiring harness |
| 388 | Earth connection 23, in main wiring harness |
| * | Only models with entry and start authorisation |
| *2 | Only models with dual clutch gearbox 02E |
Wiring Diagram VW PASSAT 2013 - Earth point - on left in engine compartment - Earth point (audio) - front below centre console - Earth point - engine and gearbox earth - Earth point - on left headlight
Wiring Diagram VW PASSAT 2013 - Earth connection 3 - in engine compartment wiring harness - Earth point - on left headlight
| F34 | Brake fluid level warning contact |
| F266 | Bonnet contact switch |
| G266 | Oil level and oil temperature sender |
| H12 | Alarm horn |
| J179 | Automatic glow period control unit |
| L22 | Left fog light bulb |
| L174 | Left daytime running light bulb |
| MX1 | Front left headlight |
| M29 | Left headlight dipped beam bulb |
| M30 | Left headlight main beam bulb |
| M33 | Front left side marker bulb |
| M35 | Front left turn signal and side marker bulb |
| N280 | Air conditioner compressor regulating valve |
| T2ap | 2-pin connector |
| T2dg | 2-pin connector |
| T2gt | 2-pin connector |
| T2n | 2-pin connector, on left in engine compartment near headlight |
| T3f | 3-pin connector |
| T3x | 3-pin connector |
| T4t | 4-pin connector, near starter |
| T6z | 6-pin connector, near E-box |
| T8m | 8-pin connector, front left in engine compartment |
| T10l | 10-pin connector |
| T11a | 11-pin connector |
| 132 | Earth connection 3, in engine compartment wiring harness |
| 376 | Earth connection 11, in main wiring harness |
| |
| * | According to equipment |
Wiring Diagram VW PASSAT 2013 - Earth connection 1 - in seat adjustment wiring harness - Earth connection 1 - in seat heating wiring harness - Earth connection 21 - in main wiring harness - Earth point - left A-pillar
| E176 | Driver seat lumbar support adjustment switch |
| E418 | Seat longitudinal adjustment button |
| E424 | Seat height adjustment button |
| E425 | Backrest adjustment button |
| E470 | Driver seat adjustment operating unit |
| E717 | Rear driver side interior locking button for central locking system |
| F10 | Rear left door contact switch |
| G59 | Driver seat temperature sensor |
| J386 | Driver door control unit |
| J774 | Heated front seats control unit |
| J926 | Rear driver side door control unit |
| T2d | 2-pin connector, in driver seat |
| T4bz | 4-pin connector |
| T6ah | 6-pin connector |
| T6g | 6-pin connector |
| T8s | 8-pin connector |
| T8z | 8-pin connector |
| T10c | 10-pin connector, under seat on front left |
| T16h | 16-pin connector |
| T20a | 20-pin connector |
| T28 | 28-pin connector, on lower section of left A-pillar |
| T28b | 28-pin connector, on left B-pillar |
| VX23 | Rear left door lock unit |
| Z7 | Heated backrest for driver seat |
| 95 | Earth connection 1, in seat adjustment wiring harness |
| 96 | Earth connection 1, in seat heating wiring harness |
| 207 | Earth connection, in rear left door wiring harness |
| 386 | Earth connection 21, in main wiring harness |
| |
| * | Only models with no memory function |
Wiring Diagram VW PASSAT 2013 - Diagnostic connection - Earth connection - in roof wiring harness - Earth connection 2 - in main wiring harness - Earth point - on top end of steering column - Earth point - left A-pillar
| EX7 | Front passenger exterior door handle |
| E378 | Starter button |
| F | Brake light switch |
| F47 | Brake pedal switch |
| F148 | Front passenger vanity mirror contact switch |
| J583 | Control unit for NOx sender |
| J682 | Terminal 50 voltage supply relay |
| J764 | Control unit for electronic steering column lock |
| J881 | Control unit for NOx sender 2 |
| J906 | Starter relay 1 |
| T2bl | 2-pin connector |
| T4al | 4-pin connector |
| T4st | 4-pin connector |
| T5t | 5-pin connector |
| T7a | 7-pin connector |
| T9c | 9-pin connector |
| T16 | 16-pin connector |
| T16v | 16-pin connector |
| T28a | 28-pin connector |
| U31 | Diagnostic connection, near lower part of left A-pillar |
| 80 | Earth connection 1, in dash panel wiring harness |
| 347 | Earth connection, in roof wiring harness |
| 367 | Earth connection 2, in main wiring harness |
| 377 | Earth connection 12, in main wiring harness |
| |
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| * | Diagnostic connection |
| *2 | Only models with entry and start authorisation |
| *3 | Only models with diesel engine |
Wiring Diagram VW PASSAT 2013 - Earth connection - in roof wiring harness - Earth connection 2 - in main wiring harness
Wiring Diagram VW PASSAT 2013 - Earth connection 1 - in engine compartment wiring harness - Earth point 2 - left in engine compartment - Earth point - rear left side panel
| H2 | Treble horn |
| J369 | Wiper motor relay 2, in E-box |
| J400 | Wiper motor control unit |
| 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 |
| N323 | Ignition coil 5 with output stage |
| N324 | Ignition coil 6 with output stage |
| N492 | Solenoid for coolant circuit |
| R178 | Frequency modulation (FM) frequency filter in negative wire |
| T2di | 2-pin connector |
| T3ai | 3-pin connector |
| T4ap | 4-pin connector |
| T4p | 4-pin connector |
| T4x | 4-pin connector, near radiator fan |
| T14 | 14-pin connector, near battery |
| V7 | Radiator fan |
| V101 | Secondary air pump motor |
| V188 | Charge air cooling pump |
| Z1 | Heated rear window |
| 85 | Earth connection 1, in engine compartment wiring harness |
| 108 | Earth connection 2, in front left wiring harness |
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| * | Only models with diesel engine |
| *2 | Only models with 6-cylinder engine |
| *3 | From July 2013 |
| *4 | Up to July 2013 |
| *5 | see applicable current flow diagram for engine |
Wiring Diagram VW PASSAT 2013 - Earth point - on left in luggage compartment - Earth connection 1 - in rear wiring harness
| E234 | Rear lid handle release button |
| F5 | Luggage compartment light switch |
| F124 | Contact switch in lock cylinder for rear lid, anti-theft alarm system and central locking system |
| F256 | Rear lid lock unit |
| G197 | Magnetic field sender for compass |
| MX3 | Left tail light |
| M4 | Left tail light bulb |
| MX5 | Left tail light 2 |
| M16 | Left reversing light bulb |
| M25 | High-level brake light bulb |
| M37 | Rear left side marker bulb |
| M56 | Left brake and turn signal bulb |
| T2dn | 2-pin connector |
| T2t | 2-pin connector |
| T3bl | 3-pin connector |
| T4a | 4-pin connector |
| T4u | 4-pin connector |
| T5ao | 5-pin connector |
| T6au | 6-pin connector |
| V254 | Rear lid electric opener motor |
| |
| 86 | Earth connection 1, in rear wiring harness |
| 87 | Earth connection 2, in rear wiring harness |
| 196 | Earth connection 3, in rear wiring harness |
| 431 | Earth connection 2, in roof wiring harness |
| * | According to equipment |
| *2 | From July 2013 |
Wiring Diagram VW PASSAT 2013 - Earth connection 1 - in rear wiring harness
| GX1 | Fuel delivery unit |
| G6 | Fuel system pressurisation pump |
| J538 | Fuel pump control unit |
| M2 | Right tail light bulb |
| MX4 | Right tail light |
| MX6 | Right tail light 2 |
| M17 | Right reversing light bulb |
| M38 | Rear right side marker bulb |
| M57 | Right brake and turn signal bulb |
| T3br | 3-pin connector |
| T4b | 4-pin connector |
| T5b | 5-pin connector |
| T10n | 10-pin connector |
| X | Number plate light |
| |
| 86 | Earth connection 1, in rear wiring harness |
| 87 | Earth connection 2, in rear wiring harness |
| 196 | Earth connection 3, in rear wiring harness |
| * | Only models with 6-cylinder engine |
| *2 | From July 2013 |
| *3 | Up to July 2013 |
Wiring Diagram VW PASSAT 2013 - Earth point - on left in luggage compartment - Earth connection 29 - in main wiring harness
| G698 | Evaluation unit for reducing agent level |
| T2cq | 2-pin connector |
| T3ah | 3-pin connector |
| T4ab | 4-pin connector |
| T5n | 5-pin connector |
| T8l | 8-pin connector, on reducing-agent tank |
| T14a | 14-pin connector, on reducing-agent tank |
| V437 | Pump for reducing agent |
| Z102 | Heater for reducing-agent tank (heater circuit 1) |
| Z103 | Heater for reducing-agent pump (heater circuit 2) |
| Z104 | Heater for reducing-agent line (heater circuit 2) |
| |
| 336 | Earth connection 1, in floor wiring harness |
| 394 | Earth connection 29, in main wiring harness |
| * | Up to July 2013 |
| *2 | From July 2013 |
VW PASSAT 2013 Overview of control units
Overview of control units |
| q | Connector assignment 47-pin connector -T47- |
| q | Connector assignment 75-pin connector -T75- |
| q | Connector assignment 100-pin connector -T100- |
| Fresh air blower control unit -J126- |
| q | Fitting location and / assignment |
| Radio -R- / Control unit with display for radio and navigation -J503- |
| q | Fitting location: dash panel, centre |
| Climatronic control unit -J255- / air conditioning system control unit -J301- |
| q | Fitting location: dash panel, centre |
| Front passenger door control unit -J387- |
| q | Fitting location: in front passenger door |
| Telephone transmitter and receiver unit -R36- |
| Rear passenger side door control unit -J927- |
| q | Fitting location: in rear right door |
| Fuel pump control unit -J538- |
| Rear driver side door control unit -J926- |
| q | Fitting location: in rear left door |
| q | Fitting location and / assignment |
| Driver door control unit -J386- |
| q | Fitting location: in driver door |
| Driver seat adjustment control unit -J810- |
| q | Fitting location and / assignment |
| q | Heated front seats control unit -J774- |
| q | Fitting location and / assignment |
| q | Mobile telephone operating electronics control unit -J412- |
| q | Fitting location and / assignment |
| Electronic steering column lock control unit -J764- |
| q | Fitting location and / assignment |
| Dash panel insert -K- / Control unit in dash panel insert -J285- / Immobiliser control unit -J362- |
| Entry and start authorisation control unit -J518- |
| q | Fitting location and / assignment |
| Data bus diagnostic interface -J533- |
| q | Fitting location and / assignment |
| Mechatronic unit for dual clutch gearbox -J743- |
| q | Fitting location and / assignment |
| Radiator fan control unit -J293- |
| q | Fitting location and / assignment |
| Power steering control unit -J500- |
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