Wiring Diagram VW JETTA 2017 - Control unit with display for radio and navigation - Onboard supply control unit - Multimedia system control unit - Radio - Connection for external audio sources
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| J503 | Control unit with display for radio and navigation |
| J519 | Onboard supply control unit |
| J533 | Data bus diagnostic interface |
| J650 | Multimedia system control unit |
| R | Radio |
| R199 | Connection for external audio sources |
| T4e | 4-pin connector |
| T12f | 12-pin connector |
| T12h | 12-pin connector |
| T16d | 16-pin connector |
| T20 | 20-pin connector |
| T30a | 30-pin connector |
| T73b | 73-pin connector |
| 370 | Earth connection 5, in main wiring harness |
| 371 | Earth connection 6, 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 |
| 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 "High" equipment (AW1) |
| *2 | According to equipment |
| *3 | Only models with "Low" equipment (AW0) |
VW JETTA 2017 Overview of control units
| | | | q | Connector assignment 47-pin connector -T47- |
| q | Connector assignment 26-pin connector -T26- |
| q | Connector assignment 50-pin connector -T50- |
| q | Connector assignment 75-pin connector -T75- |
| q | Connector assignment 100-pin connector -T100- |
| Fresh air blower control unit -J126- |
| q | Control unit for cornering light and headlight range control -J745- |
| q | Fitting location on right of glove compartment |
| Multimedia system control unit -J650- |
| q | Voltage stabiliser -J532- |
| 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 Climatronic control unit |
| q | Fitting location Air conditioning system control unit |
| q | Connector assignment high-line equipment (AW1) |
| q | Connector assignment high-line equipment (AW1) |
| q | Connector assignment high-line equipment (AW1) |
| q | Connector assignment high-line equipment (AW1) |
| Onboard supply control unit -J519- |
| q | Fitting location near fuse holder C under instrument panel on driver side |
| q | Connector assignment low-line equipment (AW0) |
| q | Connector assignment high-line equipment (AW1) |
| q | 20-pin connector assignment |
| q | 25-pin connector assignment |
| Engine control unit -J623- |
| q | Fitting location: in engine compartment, front left |
| q | 154-pin connector assignment |
| q | 196-pin connector assignment |
| q | Battery monitor control unit -J367- |
VW JETTA 2017 Overview of auxiliary control units and components for hybrid vehicles
Overview of auxiliary control units and components for hybrid vehicles |
| DANGER! | High voltage may be deadly! | |
Note
| Read the information before beginning work on the high-voltage (HV) system → Rep. Gr. 93 |
| 2 - | Hybrid battery unit -AX1- / Hybrid battery -A38- / Battery regulation control unit -J840- |
| q | Fitting location: in luggage compartment |
| q | Battery monitor control unit -J367- |
| Electrical air conditioner compressor -V470- / Control unit for air conditioning compressor -J842- |
| q | Fitting location and / assignment |
VW JETTA 2017 Battery ABattery -A- |
| Only for models with high-voltage system (hybrid). | | | |
| 1 - | Fuse 1 (30), on battery fuse holder -S162- |
| 2 - | Fuse 2 (30), on battery fuse holder -S163- |
| Battery monitor control unit -J367- | | Fitting location: in luggage compartment, on battery negative terminal | | | |
| 1 - | Battery monitor control unit -J367- |
| A - | 2-pin connector -T2fn- |
VW JETTA 2017 power and control electronics for electric drive JX1
power and control electronics for electric drive -JX1- |
| DANGER! | High voltage may be deadly! | |
Note
| Read the information before beginning work on the high-voltage (HV) system → Rep. Gr. 93 |
| 1 - | power and control electronics for electric drive -JX1- |
| 2 - | Earth strap, battery - body -1- |
| 3 - | High-voltage wire for hybrid battery, negative terminal -P2- |
| 4 - | High-voltage wire for hybrid battery, positive terminal -P1- |
| 5 - | High-voltage wire for electrical air conditioner compressor -P3- |
| 6 - | High-voltage wiring harness for drive motor -PX2- , High-voltage wire 1 for drive motor -P4- |
| 7 - | High-voltage wiring harness for drive motor -PX2- , High-voltage wire 2 for drive motor -P5- |
| 8 - | High-voltage wiring harness for drive motor -PX2- , High-voltage wire 3 for drive motor -P6- |
| 9 - | Earth wire on C1 (wire LE -) |
| 10 - | Positive wire on B1 (wire LE +) |
| A - | 28-pin connector -T28jx- |
VW JETTA 2017 Jump start connection TV32
Jump start connection -TV32- |
| - | Jump start connection -TV32- , on E-box, -arrow- |
VW JETTA 2017 Three-phase current drive VX54
Three-phase current drive -VX54- |
| DANGER! | High voltage may be deadly! | |
Note
| Read the information before beginning work on the high-voltage (HV) system → Rep. Gr. 93 |
| - | Three-phase current drive -VX54--arrow- , High-voltage wiring harness for drive motor -PX2- |
| Pin assignment on three-phase current drive -VX54- : |
| 1 - | Three-phase current drive -VX54- |
| 2 - | 2-pin connector -T2vx- For pilot line |
| 3 - | High-voltage wire 3 for drive motor -P6- |
| 4 - | High-voltage wire 2 for drive motor -P5- |
| 5 - | High-voltage wire 1 for drive motor -P4- |
| 6 - | 2-pin connector -T2va- for drive motor temperature sender -G712- |
| 7 - | 4-pin connector -T4vx- for drive motor rotor position sender 1 -G713- |
| q | Fitting location and pin assignment |
| Drive motor rotor position sender 1 -G713- : | | | |
| - | Drive motor rotor position sender 1 -G713--1 - 4- |
VW JETTA 2017
Electrical air conditioner compressor -V470- / Control unit for air conditioning compressor -J842- |
| 1 - | Electrical air conditioner compressor -V470- / Control unit for air conditioning compressor -J842- |
| A - | 4-pin connector -T4bk- |
| B - | 8-pin connector -T8ay- |
VW JETTA 2017 ABS control unit J104ABS control unit -J104- |
| - | Fitting location: on bulkhead, in engine compartment, passenger side | | 1 - | ABS control unit -J104- | | 2 - | 26-pin connector -T26- / 47-pin connector -T47- on wiring harness | Note | Illustration shows left-hand drive model. The view of the front passenger side for a RHD model is basically a mirror image. | | | |
| A - | ABS control unit -J104- |
| B - | 47-pin connector -T47- on wiring harness |
| A - | ABS control unit -J104- |
| B - | 26-pin connector -T26- on wiring harness |
VW JETTA 2017 Airbag control unit J234Airbag control unit -J234- |
| - | Fitting location: under centre console at front -arrow- | | | |
| 1 - | Airbag control unit -J234- |
| 2 - | 50-pin connector -T50- on wiring harness |
| A - | Airbag control unit -J234- |
| B - | 75-pin connector -T75- on wiring harness |
| Connector assignment 100-pin connector -T100- : |
| 1 - | Airbag control unit -J234- |
| A - | 100-pin connector -T100- on wiring harness |
VW JETTA 2017 Fresh air blower control unit J126
Fresh air blower control unit -J126- |
| 1 - | Fresh air blower control unit -J126- |
| q | on heater and air conditioner unit, front passenger footwell |
| q | -A-2-pin connector -T2- on wiring harness |
| q | -B-6-pin connector -T6t- on wiring harness |
VW JETTA 2017 Control unit for cornering light and headlight range control J745
Control unit for cornering light and headlight range control -J745- |
| A - | Control unit for cornering light and headlight range control -J745- |
| B - | 26-pin connector -T26- , on wiring harness |
VW JETTA 2017 Multimedia system control unit J650
Multimedia system control unit -J650- |
| 1 - | Multimedia system control unit -J650- |
| 2 - | 12-pin connector -T12h- on wiring harness |
| 1 - | Voltage stabiliser -J532- |
| q | behind glove compartment |
| q | -A-10-pin connector -T10w- on wiring harness |
| Voltage stabiliser -J532- ,12-pin connector | | 12-pin connector , gradual introduction | | | |
| 1 - | Voltage stabiliser -J532- |
| q | behind glove compartment |
| q | -A-12-pin connector -T12d- on wiring harness |
VW JETTA 2017 Climatronic control unit J255
Climatronic control unit -J255- |
| 1 - | Climatronic control unit -J255- |
| q | -A-20-pin connector -T20c- on wiring harness |
| q | -B-16-pin connector -T16g- on wiring harness |
| q | -C-16-pin connector -T16e- on wiring harness |
VW JETTA 2017 Air conditioning system control unit J301
Air conditioning system control unit -J301- |
| 1 - | Air conditioning system control unit -J301- |
| q | -A-20-pin connector -T20c- on wiring harness |
| q | -B-16-pin connector -T16e- on wiring harness |
| q | -C-5-pin connector -T5- on wiring harness |
VW JETTA 2017 Front passenger door control unit J387Front passenger door control unit -J387- |
| Only models with Pr. number AW0 | | | |
| A - | Front passenger door control unit -J387- |
| B - | 16-pin connector -T16b- on wiring harness |
VW JETTA 2017 Front passenger door control unit J387Front passenger door control unit -J387- |
| Only models with Pr. number AW1 | | | |
| A - | Front passenger door control unit -J387- |
| B - | 32-pin connector -T32b- on wiring harness |
| C - | 16-pin connector -T16b- on wiring harness |
| D - | 20-pin connector -T20b- on wiring harness |
VW JETTA 2017 Telephone transmitter and receiver unit R36
Telephone transmitter and receiver unit -R36- |
| 1 - | Telephone transmitter and receiver unit -R36- |
| q | under front passenger seat |
| 2 - | 54-pin connector -T54- on wiring harness |
VW JETTA 2017 Rear right door control unit J389Rear right door control unit -J389- |
| Only models with Pr. number AW0 | | | |
| A - | Rear right door control unit -J389- |
| B - | 16-pin connector -T16i- on wiring harness |
VW JETTA 2017 Rear right door control unit J389Rear right door control unit -J389- |
| Only models with Pr. number AW1 | | | |
| A - | Rear right door control unit -J389- |
| B - | 18-pin connector -T18c- on wiring harness |
| B - | 20-pin connector -T20g- on wiring harness |
VW JETTA 2017 Fuel pump control unit J538Fuel pump control unit -J538- |
| - | Fitting location: under rear right seat, on fuel delivery unit -arrow- | | | |
| A - | Fuel pump control unit -J538- |
| B - | 10-pin connector -T10n- on wiring harness |
VW JETTA 2017 Trailer detector control unit J345
Trailer detector control unit -J345- |
| A - | Trailer detector control unit -J345- |
| B - | 16-pin connector -T16f- on wiring harness |
| C - | 12-pin connector -T12a- on wiring harness |
VW JETTA 2017 Rear left door control unit J388Rear left door control unit -J388- |
| Only models with Pr. number AW0 | | | |
| A - | Rear left door control unit -J388- |
| B - | 16-pin connector -T16h- on wiring harness |
VW JETTA 2017 Rear left door control unit J388Rear left door control unit -J388- |
| Only models with Pr. number AW1 | | | |
| A - | Rear left door control unit -J388- |
| B - | 18-pin connector -T18b- on wiring harness |
| B - | 20-pin connector -T20f- on wiring harness |
VW JETTA 2017 Amplifier R12
Amplifier -R12- |
| q | -A-38-pin connector -T38- on wiring harness |
VW JETTA 2017 Driver door control unit J386Driver door control unit -J386- |
| Only models with Pr. number AW0 | | | |
| A - | Driver door control unit -J386- |
| B - | 16-pin connector -T16a- on wiring harness |
VW JETTA 2017 Driver door control unit J386Driver door control unit -J386- |
| Only models with Pr. number AW1 | | | |
| A - | Driver door control unit -J386- |
| B - | 32-pin connector -T32a- on wiring harness |
| C - | 16-pin connector -T16a- on wiring harness |
| D - | 20-pin connector -T20a- on wiring harness |
VW JETTA 2017 Heated front seats control unit J774
Heated front seats control unit -J774- |
| 1 - | Heated front seats control unit -J774- |
| q | -A-8-pin connector -T8z- on wiring harness |
VW JETTA 2017 Steering column electronics control unit J527Steering column electronics control unit -J527- |
| Only models with Pr. number AW1 | | | |
| 1 - | Steering column electronics control unit -J527- |
| q | Near steering column switch |
| q | -A-16-pin connector -T16l- on wiring harness |
| q | -B-4-pin connector -T4k- on wiring harness |
VW JETTA 2017 Electronic steering column lock control unit J764
Electronic steering column lock control unit -J764- |
| 1 - | Electronic steering column lock control unit -J764- |
| q | Behind steering column trim |
| q | -A-16-pin connector -T16m- on wiring harness |
VW JETTA 2017 Onboard supply control unit J519Onboard supply control unit -J519- |
| Only models with Pr. number AW0 | | | |
| 73-pin connector -T73a- black -B- |
| A - | Onboard supply control unit -J519- , Low |
| B - | 73-pin connector -T73a- black |
| 2 - | Left dipped beam output signal |
| 4 - | Interior lighting out put signal, door contact switch |
| 6 - | Rear fog lamp output signal |
| 7 - | Fog light switch input signal |
| 10 - | Rear lid release motor output signal |
| 11 - | Central locking motor "lock" output signal for all doors |
| 12 - | Central locking motor output signal for driver's door |
| 13 - | Central locking motor "Safe" output signal for all doors |
| 14 - | Central locking earth input signal (31) |
| 15 - | Central locking motor output signal for front passenger door and rear doors |
| 16 - | Central locking supply input signal (30) |
| 17 - | Central locking lock unit input signal for rear left door |
| 18 - | Central locking lock unit input signal for rear right door |
| 19 - | Driver side door contact switch input signal |
| 20 - | Front passenger side door contact switch input signal |
| 21 - | Central locking lock unit input signal for front passenger door |
| 22 - | Central locking lock unit input signal for driver's door |
| 23 - | Rear lid handle release button input signal |
| 24 - | Central locking input signal, driver door |
| 25 - | Interior locking button input signal |
| 26 - | Door contact switch input signal for rear right door |
| 27 - | Bonnet contact switch -F266- Bonnet contact switch input signal |
| 28 - | Hazard warning lights button -E229- Hazard warning light button input signal |
| 29 - | Horn plate input signal |
| 30 - | Rear lid lock position 2 input signal |
| 31 - | Rear lid lock position 1 input signal |
| 32 - | Right turn signal switch input signal |
| 33 - | Left turn signal switch input signal |
| 34 - | Door contact switch input signal for rear left door |
| 36 - | Switch-off signal for heated seat |
| 38 - | Heated exterior mirror on driver side -Z4- , Heated exterior mirror on front passenger side -Z5- Heated exterior mirror output signal |
| 39 - | Earth input signal (31) |
| 40 - | Rear right side light bulb output signal |
| 41 - | Rear left side light bulb output signal |
| 42 - | Supply input signal (86s) for ignition/starter switch |
| 43 - | Brake pedal position sender input signal |
| 44 - | Supply input signal (15) for ignition/starter switch |
| 45 - | Side light switch input signal |
| 49 - | Headlight washer system relay output signal |
| 52 - | Fuel supply relay output signal |
| 53 - | Alarm horn relay -J641- |
| 54 - | Supply input signal (75a) for ignition/starter switch |
| 55 - | Starter inhibitor relay output signal (only models with automatic gearbox) |
| 56 - | Hazard warning lights button -E229- Hazard warning light system warning lamp signal output |
| 57 - | Interior monitoring "off" warning lamp output signal |
| 58 - | Central locking SAFE function warning lamp output signal |
| 59 - | Interior locking warning lamp output signal |
| 60 - | Heated rear window warning lamp output signal |
| 62 - | Main beam output signal |
| 64 - | Supply input signal (30), heated exterior mirrors |
| 65 - | Supply input signal (30), interior lights |
| 66 - | Supply input signal (30), interior lights |
| 68 - | Supply input signal (30), window wiper |
| 69 - | Window wiper position 1 output signal |
| 70 - | Window wiper earth input signal |
| 71 - | Window wiper position 2 output signal |
| 73 - | Horn supply input signal (30) |
| C - | 73-pin connector -T73b- white |
| 73-pin connector -T73b- black -C- |
| A - | Onboard supply control unit -J519- , Low |
| B - | 73-pin connector -T73a- black |
| C - | 73-pin connector -T73b- white |
| 2 - | Right dip beam output signal |
| 9 - | Left fog light bulb output signal |
| 10 - | Right fog light bulb output signal |
| 11 - | Fog light bulb supply input signal (30) |
| 12 - | Reversing light output signal (only models with automatic gearbox) |
| 13 - | Turn signal and brake light supply input signal (30) |
| 14 - | Left turn signal output signal |
| 15 - | Right turn signal output signal |
| 16 - | Brake lights output signal |
| 17 - | LIN bus, door control unit and switches in steering wheel |
| 19 - | Powertrain CAN, high |
| 20 - | Convenience CAN, high |
| 21 - | Convenience CAN, low |
| 24 - | LIN bus, sliding sunroof adjustment control unit, rain and light detector sensor, interior monitoring sensor |
| 27 - | Window wiper position 1 input signal |
| 28 - | Central locking input signal, front passenger door |
| 30 - | Interior monitoring deactivation switch input signal |
| 31 - | Heated rear window button input signal |
| 32 - | Wiper limit switch input signal |
| 34 - | Switch and Instrument Illumination (58d) Output Signal |
| 37 - | Signal (K), diagnosis |
| 38 - | Earth input signal (31) for electronics |
| 39 - | Supply input signal (30) for electronics |
| 42 - | Brake contact switch input signal |
| 44 - | Cruise control system "Set" input signal |
| 45 - | Cruise control system "On/Off" input signal |
| 46 - | Cruise control system "Reset" input signal |
| 47 - | Cruise control system "Cancel" input signal |
| 48 - | Reversing light switch input signal |
| 49 - | Signal (L) alternator |
| 50 - | Starter relay input signal |
| 51 - | Supply input signal (75a) for ignition/starter switch |
| 52 - | Window washer pump supply input signal |
| 53 - | Window wiper position 2 input signal |
| 55 - | Starter inhibitor signal (only models with automatic gearbox) |
| 58 - | Heated exterior mirror switch input signal |
| 59 - | Input signal for reference voltage (30) |
| 60 - | Input signal for earth - reference voltage (31) |
| 61 - | Washer pump motor and rear window wiper motor output signal |
| 62 - | Windscreen wiper intermittent operation input signal |
| 63 - | Heated rear window output signal |
| 67 - | Heated rear window supply input signal (30) |
| 68 - | Supply input signal (30), right headlight |
VW JETTA 2017 Onboard supply control unit J51952-pin connector -T52 A- black -A- |
| 1 - | Fuse 26 on fuse holder B -SB26- | | 4 - | Right washer jet heater element -Z21- | | 5 - | Left headlight main beam bulb -M30- | | 7 - | Left daytime running light bulb -L174- | | 8 - | Right daytime running light bulb -L175- | | 9 - | Rear right turn signal bulb -M8- | | 10 - | Front left turn signal bulb -M5- | | 11 - | Left headlight dipped beam bulb -M29- | | 13 - | Rear lid handle release button -E234- Soft touch | | 14 - | Bonnet contact switch -F266- | | 16 - | Reversing light switch -F4- | | 17 - | Rear fog light switch -E18- | | 18 - | Light switch -E1- Zero position | | 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 2, in main wiring harness-367- | | 24 - | Positive connection 24 (30a) in main wiring harness -B684- Terminal 30ref | | 25 - | Left fog light bulb -L22- | | 26 - | Right brake and tail light bulb -M22- | | 27 - | Left tail light bulb -M4- Rear left side light | | 28 - | Left reversing light bulb -M16- | | 29 - | Rear lid lock unit -F256- | | 30 - | Rear right door contact switch -F11- | | 35 - | Heater/heat output switch -E16- | | 36 - | Interior monitoring deactivation switch -E267- | | 37 - | Rear left door central locking motor, lock -V214- | | 38 - | Rear left door control unit -J388- | | 39 - | Rear right door control unit -J389- | | 40 - | Rear left door control unit -J388- | | 41 - | Rear left door contact switch -F10- | | 42 - | Earth connection 2, in main wiring harness -367- | | 44 - | Right side light bulb -M3- | | 45 - | Additional brake light bulb -M25- | | 46 - | Tank filler flap locking motor -V155- | | 48 - | Rear left central locking lock unit -F222- | | 49 - | Rear right door central locking motor, lock -V215- | | 51 - | Button illumination bulb -L76-Connection 1 (58d), in main wiring harness -B340- |
| 52-pin connector -T52 B- white-B- | | 1 - | Fuse 36 on fuse holder C -SC36- Central locking | | 5 - | Tank filler flap locking motor -V155- | | 7 - | Rear left door central locking motor, lock -V214- | | 8 - | Rear right central locking lock unit -F223- | | 11 - | Rear lid release motor -V139- | | 12 - | Terminal 15 voltage supply relay 2 -J681- | | 14 - | Heater/heat output switch -E16-Heated rear window warning lamp -K10- | | 15 - | Switch and instrument illumination regulator -E20- | | 16 - | Sliding sunroof adjustment control unit -J245- | | 17 - | Sliding sunroof adjustment control unit -J245- Convenience closing | | 18 - | Wiper motor switch-over relay 1 -J368- | | 21 - | Heated front seats control unit -J774- | | 22 - | Heated rear window relay -J9- | | 23 - | Wiper motor switch-over relay 2 -J369- | | 24 - | Hazard warning lights button -E229- | | 26 - | Rear left door central locking SAFE function locking motor -V163- | | 27 - | Rear right door central locking SAFE function locking motor -V164- | | 28 - | X-contact relief relay -J59- | | 29 - | Terminal 50 voltage supply relay -J682- | | 30 - | Switch and instrument illumination regulator -E20- | | 33 - | Rain and light sensor -G397- LIN bus | | 36 - | Alarm horn -H12-Interior monitoring sensor -G273- | | 37 - | Interior monitoring deactivation switch -E267- | | 38 - | Fuel supply relay -J643- | | 40 - | Headlight washer system relay -J39- | | 41 - | Dual tone horn relay -J4- | | 42 - | Fuse 48 on fuse holder C -SC48- | | 43 - | Positive connection, in roof wiring harness -B250- | | 51 - | Connection 1 (58d), in main wiring harness -B340- | | 52 - | Earth connection 2, in main wiring harness -367- |
| 52-pin connector -T52 C- brown -C- | | 1 - | Positive connection (30), in dash panel wiring harness -A32- | | 2 - | Alarm system horn -H18- | | 3 - | Connection (58R), in dash panel wiring harness -A85- | | 4 - | Left brake light bulb -M9- , Left tail light -MX3- | | 5 - | Earth connection 2, in main wiring harness -367- | | 7 - | Hazard warning lights button -E229- | | 10 - | Connection 1 (DCt), in interior wiring harness -B154- , Front interior light -W1- | | 13 - | Steering column electronics control unit -J527-Ignition/starter switch -D- Terminal S, Electronic steering column lock control unit -J764- | | 14 - | Positive connection (50), in main wiring harness -B276-Steering column electronics control unit -J527- | | 15 - | Data bus diagnostic interface -J533-Connection 2 (convenience CAN bus, high), in main wiring harness -B407- | | 16 - | Data bus diagnostic interface -J533-Connection 2 (convenience CAN bus, low), in main wiring harness -B407- | | 17 - | Brake light switch -F- | | 24 - | Entry and start authorisation control unit -J518- | | 25 - | Connection (fog light), in main wiring harness -B554- | | 26 - | Left side light bulb -M1- | | 27 - | Positive connection (58), in number plate lights wiring harness -W41- | | 28 - | Connection (RL), in dash panel wiring harness -A87- | | 30 - | Mechatronic unit for dual clutch gearbox -J743- P-N / Earth connection 3, in main wiring harness -368- Start/stop | | 31 - | Steering column electronics control unit -J527- | | 32 - | Connection (61), in interior light wiring harness -B177- / heater control unit -J162- | | 35 - | Switch and instrument illumination regulator -E20- | | 40 - | Central locking and anti-theft alarm system aerial -R47- Aerial screening | | 41 - | Central locking and anti-theft alarm system aerial -R47- | | 42 - | Fuse 29 on fuse holder B -SB29- | | 46 - | Right headlight main beam bulb -M32- | | 47 - | Rear left fog light bulb -L46- | | 50 - | Front right turn signal bulb -M7- | | 51 - | Rear left turn signal bulb -M6- | | 52 - | Right headlight dipped beam bulb -M31- |
VW JETTA 2017 Parking aid control unit J446Parking aid control unit -J446- |
| 1 - | Parking aid control unit -J446- | | q | -A-16-pin connector -T16c- on wiring harness | | q | -B-12-pin connector -T12l- on wiring harness | | q | -C-12-pin connector -T12m- on wiring harness |
VW JETTA 2017 Dash panel insert -K- / Control unit in dash panel insert -J285- / Immobiliser control unit -J362- |
| 1 - | Dash panel insert -K- / Control unit in dash panel insert -J285- / Immobiliser control unit -J362- | | A - | 32-pin connector -T32- | | 1 - | Fuel gauge sender -G- (full) | | 2 - | Fuel gauge sender -G- (empty) | | 7 - | Immobiliser reader coil -D2- | | 8 - | Immobiliser reader coil -D2- | | 11 - | Oil level and oil temperature sender -G266- | | 13 - | Connection (RFL), in dash panel wiring harness -A88- | | 14 - | Positive connection 2 (56a), in interior wiring harness -B142- | | 15 - | Connection 1 (brake pad wear indicator), in main wiring harness -B379- | | 16 - | Earth connection 22, in main wiring harness -367- | | 17 - | Washer fluid level warning lamp -K37- | | 18 - | Coolant temperature and coolant shortage warning lamp -K28- | | 19 - | Ambient temperature sensor -G17- | | 20 - | Earth connection (sender earth) 1, in dash panel wiring harness -269- | | 21 - | Positive connection 4 (15a) in dash panel wiring harness -A199- 15a | | 22 - | Right steering column switch -EX20- AW0 | | 23 - | Right steering column switch -EX20- AW0 | | 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 warning lamp -K3- | | 28 - | Data bus diagnostic interface -J533- AW1 / Connection 1 (powertrain CAN bus, high), in main wiring harness -B383- AW0 | | 29 - | Data bus diagnostic interface -J533- AW1 / Connection 1 (powertrain CAN bus, low), in main wiring harness -B390- AW0 | | 31 - | Positive connection 4 (15a) in dash panel wiring harness -A199- / Control unit for vehicle location system -J895- 15a | | 32 - | Fuse 3 on fuse holder C -SC3- 30a |
VW JETTA 2017 Entry and start authorisation control unit J518Entry and start authorisation control unit -J518- |
| 1 - | Entry and start authorisation control unit -J518- | | q | next to steering column, near centre console | | q | -A-32-pin connector -T32e- on wiring harness |
VW JETTA 2017 Data bus diagnostic interface J533Data bus diagnostic interface -J533- |
| Only models with Pr. number AW1 | | | | | 1 - | Data bus diagnostic interface -J533- | | q | next to steering column, near centre console | | q | -A-20-pin connector -T20- on wiring harness |
VW JETTA 2017 Automatic gearbox control unit J217Automatic gearbox control unit -J217- |
| A - | Automatic gearbox control unit -J217- | | B - | 52-pin connector -T52- on wiring harness |
VW JETTA 2017 Mechatronic unit for dual clutch gearbox J743Mechatronic unit for dual clutch gearbox -J743- |
| 1 - | Mechatronic unit for dual clutch gearbox -J743- | | Pin connector on gearbox: | | q | -A-20-pin connector -T20e- on wiring harness |
| 1 - | Mechatronic unit for dual clutch gearbox -J743- | | 2 - | 25-pin connector -T25- on wiring harness | | 3 - | Coupling station for alternator and air conditioner (T4t) | | | | | Pin assignment: dual clutch gearbox 0AM | | - | Mechatronic unit for dual clutch gearbox -J743- | | A - | 25-pin connector -T25- |
VW JETTA 2017 Radiator fan control unit J293Radiator fan control unit -J293- |
| 1 - | Radiator fan control unit -J293- | | q | -A/B-4-pin connector -T4x- on wiring harness |
VW JETTA 2017 Engine control unit J623Engine control unit -J623- |
| 154-pin connector assignment: | | | | | A - | Engine control unit -J623- | | B - | 94-pin connector -T94- on wiring harness | | C - | 60-pin connector -T60- on wiring harness | Note | 154-pin connector -T154- is made up of connectors B and C. |
VW JETTA 2017 Engine control unit J623Engine control unit -J623- |
| 196-pin connector assignment: | | | | | 1 - | Engine control unit -J623- | | A - | 105-pin connector -T105- on wiring harness | | B - | 91-pin connector -T91- on wiring harness | Note | 196-pin connector -T196- is made up of connectors A and B. |
VW JETTA 2017 Battery monitor control unit J367Battery monitor control unit -J367- |
| Fitting location: in engine compartment, on battery negative terminal | | | | | Fitting location: in luggage compartment, on battery negative terminal | | 1 - | Battery monitor control unit -J367- | | A - | 2-pin connector -T2fn- | | | |
VW JETTA 2017 Power steering control unit J500Power steering control unit -J500- |
| On steering on centre of assembly carrier -arrow- | | | | | A - | Power steering control unit -J500- | | B - | 2-pin connector -T2a- on wiring harness | | C - | 3-pin connector -T3- on wiring harness | | D - | 5-pin connector -T5g- on wiring harness |
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