VW JETTA 2014 – Earthing concept . Wiring diagrams, Pin Connector, Location – Wiring diagrams for cars
AUTOMOTIVE ELECTRICIANS PORTAL
VW JETTA 2014 – Earthing concept . Wiring diagrams, Pin Connector, Location
Wiring Diagram VW JETTA 2014 - Earth strap - battery - body - Earth point - in front left footwell https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html
Automotive Electricians Portal FZCO
Automotive Electricians Portal FZCO Wiring Diagram VW JETTA 2014 - Earth point - lower part of right A-pillar - Earth connection - in rear right door wiring harness E54 Rear right window regulator switch, in door E107 Window regulator switch in front passenger door J29 Blocking diode, in interior wiring harness J387 Front passenger door control unit J389 Rear right door control unit L132 Front passenger side turn signal repeater bulb T3g 3-pin connector T3h 3-pin connector T3j 3-pin connector T4ak 4-pin connector T4ar 4-pin connector T8h 8-pin connector T8t 8-pin connector T12c 12-pin connector, in front passenger door T16b 16-pin connector T18c 18-pin connector T28c 28-pin connector, lower part of B-pillar, front passenger side U1 Cigarette lighter U5 12 V socket U18 12 V socket 2 VX22 Front passenger door lock unit VX24 Rear right door lock unit Z5 Heated exterior mirror on front passenger side 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 374 Earth connection 9, in main wiring harness 801 Earth connection 2, in external mirror wiring harness, in left door, near exterior mirror * Only models with "Low" equipment (AW0) *2 Only models with "High" equipment (AW1)
Wiring Diagram VW JETTA 2014 - Earth connection 3 - in seat heating wiring harness - Earth connection 4 - in seat heating wiring harness - Earth connection 14 - in main wiring harness E508 Operating unit for preparation for mobile telephone G60 Front passenger seat temperature sensor R36 Telephone transmitter and receiver unit R126 Telephone bracket T2e 2-pin connector, in seat T4m 4-pin connector, in seat T6av 6-pin connector T10d 10-pin connector, under front passenger seat T10m 10-pin connector T54 54-pin connector Z8 Heated seat cushion for front passenger seat Z9 Heated backrest for front passenger seat Z33 Front passenger seat lateral support heater 145 Earth connection 3, in seat heating wiring harness 318 Earth connection 4, in seat heating wiring harness 379 Earth connection 14, in main wiring harness * Gradually discontinued *2 Cross section depends on equipment
Wiring Diagram VW JETTA 2014 - Diagnostic connection - Earth connection 1 - in main wiring harness E229 Hazard warning lights button J532 Voltage stabiliser J745 Control unit for cornering light and headlight range control MX1 Front left headlight T2br 2-pin connector T2bt 2-pin connector T2bu 2-pin connector T6c 6-pin connector T10l 10-pin connector T10w 10-pin connector T12d 12-pin connector T14l 14-pin connector T16 16-pin connector T26b 26-pin connector U31 Diagnostic connection, near lower part of left A-pillar V48 Left headlight range control motor W6 Glove compartment light Z20 Left washer jet heater element Z21 Right washer jet heater element 80 Earth connection 1, in dash panel wiring harness 366 Earth connection 1, in main wiring harness * Diagnostic connection *2 Gradually discontinued *3 gradual introduction *4 Headlight with gas discharge light *5 From June 2013
Wiring Diagram VW JETTA 2014 - Earth connection 1 - in main wiring harness - Earth connection 23 - in main wiring harness E2 Turn signal switch E20 Switch and instrument illumination regulator E266 Parking aid button F9 Handbrake warning switch G238 Air quality sensor J533 Data bus diagnostic interface MX2 Front right headlight T2w 2-pin connector T3aw 3-pin connector T3i 3-pin connector T6j 6-pin connector T10r 10-pin connector T14r 14-pin connector T16ls 16-pin connector T20 20-pin connector 80 Earth connection 1, in dash panel wiring harness 366 Earth connection 1, in main wiring harness 387 Earth connection 22, in main wiring harness 388 Earth connection 23, in main wiring harness * Headlight with gas discharge light
Wiring Diagram VW JETTA 2014 - Earth connection 23 - in main wiring harness E1 Light switch E20 Switch and instrument illumination regulator E132 Traction control system switch E286 Rear central switch for interior locking E492 Tyre Pressure Loss Indicator button F319 Selector lever locked in position P switch J255 Climatronic control unit J301 Air conditioning system control unit J518 Entry and start authorisation control unit L9 Light switch illumination bulb T3i 3-pin connector T4bz 4-pin connector T6ad 6-pin connector T6ak 6-pin connector T8e 8-pin connector T10h 10-pin connector T10s 10-pin connector T17 17-pin connector T20c 20-pin connector T32e 32-pin connector 388 Earth connection 23, in main wiring harness * Not for models with dual clutch gearbox *2 Only models with "High" equipment (AW1) *3 According to equipment *4 Only models with "Low" equipment (AW0)
Wiring Diagram VW JETTA 2014 - Earth point - on right in engine compartment - Earth connection 23 - in main wiring harness - Earth point - on right A-pillar E20 Switch and instrument illumination regulator E262 Start/Stop operation switch E319 Fuel tank flap release button J104 ABS control unit L23 Right fog light bulb L105 Illumination regulator illumination bulb T2bt 2-pin connector T2by 2-pin connector T2dh 2-pin connector T6be 6-pin connector T6te 6-pin connector T8e 8-pin connector T26 26-pin connector T47 47-pin connector V11 Headlight washer system pump V263 Fuel pump for cold start Z20 Left washer jet heater element 121 Earth connection 2, in front right wiring harness 124 Earth connection, in right side engine compartment wiring harness 388 Earth connection 23, in main wiring harness * Up to May 2013 *2 Only models with "High" equipment (AW1) *3 Only models with start/stop system *4 see applicable current flow diagram for engine *5 Only models with hybrid drive system
Wiring Diagram VW JETTA 2014 - Earth point (audio) - front below centre console - Earth point - on left headlight H1 Horn or dual tone horn J503 Control unit with display for radio and navigation J650 Multimedia system control unit MX1 Front left headlight MX2 Front right headlight R Radio R12 Amplifier R189 Reversing camera T2bu 2-pin connector T2dj 2-pin connector T4cq 4-pin connector T10l 10-pin connector T10r 10-pin connector T12h 12-pin connector T16d 16-pin connector T38 38-pin connector Z21 Right washer jet heater element 124 Earth connection, in right side engine compartment wiring harness 370 Earth connection 5, in main wiring harness 371 Earth connection 6, in main wiring harness 376 Earth connection 11, in main wiring harness * Only models with dual tone horn *2 Up to May 2013 *3 Cross-section 1.5 possible
Wiring Diagram VW JETTA 2014 - Earth connection 3 - in engine compartment wiring harness Wiring Diagram VW JETTA 2014 - Earth connection 1 - in engine compartment wiring harness - Earth connection 2 - in engine compartment wiring harness G476 Clutch position sender J318 Vacuum pump relay J623 Engine control unit J743 Mechatronic unit for dual clutch gearbox N79 Heater element for crankcase breather T5m 5-pin connector T20e 20-pin connector T25 25-pin connector T80 80-pin connector T91 91-pin connector T94 94-pin connector V192 Vacuum pump for brakes 85 Earth connection 1, in engine compartment wiring harness 131 Earth connection 2, in engine compartment wiring harness * see applicable current flow diagram for engine *2 Only models with 1.6l engine *3 Only models with diesel engine *4 Only models with start/stop system
Wiring Diagram VW JETTA 2014 - Earth point - lower part of left A-pillar - Earth connection 1 - in engine compartment wiring harness - Earth connection 1 - in seat heating wiring harness - Earth connection - in driver door wiring harness - Earth connection 2 - in main wiring harness - Earth connection 21 - in main wiring harness - Earth point - on top end of steering column Wiring Diagram VW JETTA 2014 - Earth connection 1 - in seat heating wiring harness - Earth connection - in external mirror wiring harness - Earth connection - in driver door wiring harness - Earth connection 2 - in main wiring harness - Earth connection 21 - in main wiring harness E43 Mirror adjustment switch E52 Rear left window regulator switch, in door E233 Rear lid remote release button E319 Fuel tank flap release button J386 Driver door control unit J388 Rear left door control unit L131 Driver side turn signal repeater bulb T4ac 4-pin connector T4aq 4-pin connector T4w 4-pin connector T8f 8-pin connector T8s 8-pin connector T12b 12-pin connector, in driver door T16a 16-pin connector T16h 16-pin connector T20a 20-pin connector T28b 28-pin connector, on left B-pillar T32a 32-pin connector VX21 Driver door lock unit VX23 Rear left door lock unit Z4 Heated exterior mirror on driver side 96 Earth connection 1, in seat heating wiring harness 107 Earth connection, in external mirror wiring harness, in left door, near exterior mirror 205 Earth connection, in driver door wiring harness 207 Earth connection, in rear left door wiring harness 367 Earth connection 2, in main wiring harness 386 Earth connection 21, in main wiring harness * Only models with "Low" equipment (AW0) *2 Only models with "High" equipment (AW1) *3 Only for American markets
Wiring Diagram VW JETTA 2014 - Earth connection 1 - in seat adjustment wiring harness - Earth connection 1 - in seat heating wiring harness - Earth connection 2 - in main wiring harness E176 Driver seat lumbar support adjustment switch E470 Driver seat adjustment operating unit G59 Driver seat temperature sensor J519 Onboard supply control unit J774 Heated front seats control unit T2d 2-pin connector, in driver seat T4l 4-pin connector, in driver seat T6ah 6-pin connector T6g 6-pin connector T8z 8-pin connector T52a 52-pin connector T52b 52-pin connector Z6 Heated seat cushion for driver seat Z7 Heated backrest for driver seat Z31 Driver seat cushion lateral support heater 95 Earth connection 1, in seat adjustment wiring harness 96 Earth connection 1, in seat heating wiring harness 136 Earth connection 2, in seat heating wiring harness 367 Earth connection 2, in main wiring harness * Only models with "High" equipment (AW1) *2 Gradually discontinued
Wiring Diagram VW JETTA 2014 - Earth connection 2 - in main wiring harness Wiring Diagram VW JETTA 2014 - Earth connection 2 - in main wiring harness - Earth connection 3 - in main wiring harness - Earth connection 24 - in main wiring harness Wiring Diagram VW JETTA 2014 - Earth connection - in roof wiring harness - Earth connection 24 - in main wiring harness E378 Starter button E656 Button for electric drive F Brake light switch G34 Front left brake pad wear sender G65 High-pressure sender G273 Interior monitoring sensor G384 Vehicle inclination sender G397 Rain and light sensor H18 Alarm system horn J641 Alarm horn relay J682 Terminal 50 voltage supply relay J869 Control unit for structure-borne sound L76 Button illumination bulb T2ah 2-pin connector T2bb 2-pin connector T3ae 3-pin connector T3c 3-pin connector T4al 4-pin connector T4j 4-pin connector T5ah 5-pin connector T6ef 6-pin connector T6st 6-pin connector W1 Front interior light 347 Earth connection, in roof wiring harness 389 Earth connection 24, in main wiring harness B380 Connection 2 (brake pad wear indicator), in main wiring harness * Only models with hybrid drive system
Wiring Diagram VW JETTA 2014 - Earth point - on left in engine compartment - Earth connection - in roof wiring harness F147 Driver vanity mirror contact switch H1 Horn or dual tone horn JX1 Power and control electronics for electric drive J369 Wiper motor relay 2, in E-box in engine compartment N79 Heater element for crankcase breather T2bk 2-pin connector T2cf 2-pin connector T2di 2-pin connector T2fc 2-pin connector T2fl 2-pin connector T3am 3-pin connector T4x 4-pin connector, near radiator fan T6d 6-pin connector T8a 8-pin connector V7 Radiator fan V35 Right radiator fan V51 Continued coolant circulation pump V101 Secondary air pump motor V177 Radiator fan 2 V277 Fuel pump 2 W43 Rear interior light Y7 Automatic anti-dazzle interior mirror 108 Earth connection 2, in front left wiring harness 347 Earth connection, in roof wiring harness * see applicable current flow diagram for engine *2 Only models with "High" equipment (AW1) *3 Only models with dual tone horn *4 Only models with two radiator fans *5 Only models with hybrid drive system *6 Cross section depends on equipment *7 Cross-section 4.0 possible
Wiring Diagram VW JETTA 2014 - Earth connection 1 - in engine compartment wiring harness AX1 Hybrid battery unit F1 Oil pressure switch N70 Ignition coil 1 with output stage N127 Ignition coil 2 with output stage N291 Ignition coil 3 with output stage N323 Ignition coil 5 with output stage N492 Solenoid for coolant circuit T3bc 3-pin connector T3ht 3-pin connector T3nt 3-pin connector V178 Coolant circulation pump 2 V192 Vacuum pump for brakes V467 Coolant pump for high-temperature circuit V468 Coolant pump for low-temperature circuit 85 Earth connection 1, in engine compartment wiring harness 108 Earth connection 2, in front left wiring harness * Only models with 1.6l engine *2 Only models with diesel engine *3 Only models with hybrid drive system
Wiring Diagram VW JETTA 2014 - Earth connection 1 - in rear wiring harness - Earth point - rear left side panel - Earth connection 1 - in hybrid system wiring harness AX1 Hybrid battery unit E234 Rear lid handle release button F5 Luggage compartment light switch F256 Rear lid lock unit G197 Magnetic field sender for compass J345 Trailer detector control unit J840 Battery regulation control unit J895 Control unit for vehicle location system R149 Remote control receiver for auxiliary coolant heater T2t 2-pin connector T4cx 4-pin connector T4lh 4-pin connector T4u 4-pin connector T6au 6-pin connector T12a 12-pin connector T13 13-pin connector T14ax 14-pin connector U10 Trailer socket V457 Battery fan 1 86 Earth connection 1, in rear wiring harness 430 Earth connection, in towing bracket wiring harness 431 Earth connection 2, in roof wiring harness 816 Earth connection 1, in hybrid system wiring harness * Only models with hybrid drive system
Wiring Diagram VW JETTA 2014 - Earth connection 1 - in rear wiring harness - Earth connection 2 - in rear wiring harness - Earth connection - in number plate wiring harness - Earth point 2 - left in engine compartment - Earth point 1 - in rear right side panel - Earth point 2 - in rear right side panel G6 Fuel system pressurisation pump J446 Parking aid control unit J500 Power steering control unit J538 Fuel pump control unit MX3 Left tail light MX4 Right tail light MX5 Left tail light 2 MX6 Right tail light 2 R178 Frequency modulation (FM) frequency filter in negative wire T2a 2-pin connector T3ma 3-pin connector T4b 4-pin connector T5b 5-pin connector T10n 10-pin connector T16c 16-pin connector W44 Rear centre reading light X Number plate light Z1 Heated rear window 86 Earth connection 1, in rear wiring harness 87 Earth connection 2, in rear wiring harness 196 Earth connection 3, in rear wiring harness 437 Earth connection, in number plate wiring harness 640 Earth point 2, left in engine compartment * If fitted
Wiring Diagram VW JETTA 2014 - Earth connection 2 - in rear wiring harness F334 Fuel tank cap detection switch M25 High-level brake light bulb T2dn 2-pin connector T4te 4-pin connector V54 Metering pump 87 Earth connection 2, in rear wiring harness * Only models with auxiliary coolant heater *2 Only models with hybrid drive system
VW JETTA 2014 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)
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 2014 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 2014 Battery 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-
Fitting location: in luggage compartment, on battery negative terminal
1 - Battery monitor control unit -J367-
A - 2-pin connector -T2fn-
VW JETTA 2014 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 2014 Jump start connection TV32
- Jump start connection -TV32- , on E-box, -arrow-
VW JETTA 2014 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-
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 2014
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 2014 ABS 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 2014 Airbag 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
1 - Airbag control unit -J234-
A - 100-pin connector -T100- on wiring harness
VW JETTA 2014 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 2014 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 2014 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
12-pin connector , gradual introduction
1 - Voltage stabiliser -J532-
q behind glove compartment
q -A- 12-pin connector -T12d- on wiring harness
VW JETTA 2014 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 2014 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 2014 Front 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 2014 Front 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 2014 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 2014 Rear 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 2014 Rear 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 2014 Fuel 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 2014 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 2014 Rear 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 2014 Rear 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 2014 Amplifier R12
q -A- 38-pin connector -T38- on wiring harness
VW JETTA 2014 Driver 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 2014 Driver 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 2014 Heated front seats control unit J774
1 - Heated front seats control unit -J774-
q -A- 8-pin connector -T8z- on wiring harness
VW JETTA 2014 Steering 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 2014 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 2014 Onboard 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 2014 Onboard supply control unit J519 -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-
-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-
-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 2014 Parking 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 2014
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 2014 Entry 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 2014 Data 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 2014 Automatic gearbox control unit J217
A - Automatic gearbox control unit -J217-
B - 52-pin connector -T52- on wiring harness
VW JETTA 2014 Mechatronic 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)
- Mechatronic unit for dual clutch gearbox -J743-
A - 25-pin connector -T25-
VW JETTA 2014 Radiator fan control unit J293
1 - Radiator fan control unit -J293-
q -A/B- 4-pin connector -T4x- on wiring harness
VW JETTA 2014 Engine 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 2014 Engine 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 2014 Battery 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 2014 Power 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
VW JETTA 2014 Coupling point in engine compartment, left TML 1 - Radiator fan control unit -J293-
Coupling point for steering
- 6-pin connector -T6z--Arrow-
A - 10-pin connector -T10g-
B - 14-pin connector -T14-
A - 2-pin connector -T2i- / 4-pin connector -T4t-
Coupling point for engine, hybrid models
1 - 14-pin connector -T14-
Front bumper coupling point
B - 8-pin connector -T8l-
28-pin connector -T28- / 32-pin connector -T32f-
A - 16-pin connector -T16-
VW JETTA 2014 Coupling point for front left seat TSVL
A - 2-pin connector -T2q-
B - 3-pin connector -T3ar-
C - 3-pin connector -T3k-
D - 10-pin connector -T10c-
VW JETTA 2014 Coupling point on rear left door TTHL
VW JETTA 2014
A - 10-pin connector -T10a- , on heater and air conditioner unit, front passenger footwell
VW JETTA 2014 Coupling point on front right door TTVR
A - 2-pin connector -T2be-
B - 10-pin connector -T10b-
C - 3-pin connector -T3l-
D - 10-pin connector -T10d-
VW JETTA 2014 Coupling point on rear right door TTHR
Behind rear bumper on right
- 6-pin connector -T6af--Arrow-
1 - Fuel system diagnostic pump -V144-
B - 2-pin connector -T2ta-
VW JETTA 2014 VW JETTA 2014 Overview of earth points Earth point on right in engine compartment
Earth point on right A-pillar
Earth point, lower part of right A-pillar
Earth point (audio), front below centre console
Earth point in front left footwell
Earth point on lower part of left A-pillar
Earth point on top end of steering column
q Fitting location: below steering column
Earth strap, battery - body
q Fitting location: next to battery negative terminal
q Specified torque: 20 Nm
Earth point on left in engine compartment
Earth point on left headlight
Earth point in rear left side panel
q Fitting location for models with no hybrid drive only
q Fitting location for models with hybrid drive only
Earth point in luggage compartment
Earth point 1 in rear right side panel
Earth point 2 in rear right side panel
13 Earth point on right in engine compartment -A-
638 Earth point on right A-pillar -A-
43 Earth point, lower part of right A-pillar -B-
602 Earth point in front left footwell -A-
44 Earth point, lower part of left A-pillar -B-
12 Earth point on left in engine compartment -B-
655 Earth point on left headlight -A-
662 Earth point in rear left side panel -A-
For models with no hybrid drive only
662 Earth point in rear left side panel -arrow A-
For models with hybrid drive only
701 Earth point, in luggage compartment -arrow-
For models with hybrid drive only
624 Earth point next to starter battery -arrow A-
For models with hybrid drive only
681 Earth point 1 in rear right side panel -A-
682 Earth point 2 in rear right side panel -B-
VW JETTA 2014 Overview of relay carriers 1 - Relay carrier on E-box
q on left in engine compartment
q Relay assignment for E-box low
q Relay assignment for E-box high
q Relay assignment with hybrid system, E-box high
2 - Auxiliary relay carrier next to E-box, to October 2010
q on left in engine compartment
q Only models with diesel engine automatic glow period control unit -J179-
q From November 2010; slot R6 on E-box relay carrier
3 - Relay carrier on onboard supply control unit
q Under dash panel on driver's side
15-socket relay carrier, MY 2011
q Relay assignment, 15-socket relay carrier
12-socket relay carrier, from MY 2012
q Relay assignment, 12-socket relay carrier, LHD (E-box low)
q Relay assignment, 12-socket relay carrier, LHD (E-box high)
q Relay assignment, 12-socket relay carrier, RHD (E-box high)
12-socket relay carrier, from MY 2013
q Relay assignment, from MY 2013, LHD (E-box low)
q Relay assignment, from MY 2013, LHD (E-box high)
q Relay assignment, from MY 2013, RHD (E-box high)
Note
The architecture of the electrical equipment of the Jetta is recognized according to the assignment of the E-box. When slots R1 and R2 are vacant it is an E-box low, equipment level low (AW0). When slots R1 and R2 are occupied it is an E-box high, equipment level high (AW1).
R3 - Main relay -J271- (100)
R3 - Terminal 30 voltage supply relay -J317- (644)
R3 - Fuel supply relay -J643- (640)
R4 - Low heat output relay -J359- (645)
R4 - Continued coolant circulation relay -J151- (645)
R4 - Additional coolant pump relay -J496- (645)
R5 - High heat output relay -J360- (370, 644)
R5 - Secondary air pump relay -J299- (100, 644)
q Only models with a petrol engine
R6 - Automatic glow period control unit -J179-
Note
E-box low, relay slots R1 and R2 are not occupied: select current flow diagrams for basic equipment, convenience system, engines in low (AW0).
VW JETTA 2014 Overview of relays on E-box high
R1 - Wiper motor switch-over relay 1 -J368- (404, 650)
R2 - Wiper motor switch-over relay 2 -J369- (404, 650)
R3 - Main relay -J271- (100)
R3 - Terminal 30 voltage supply relay -J317- (644)
R3 - Fuel supply relay -J643- (640)
R4 - Low heat output relay -J359- (645)
R4 - Continued coolant circulation relay -J151- (645, 498)
R4 - Additional coolant pump relay -J496- (645)
R5 - High heat output relay -J360- (370, 644)
R5 - Secondary air pump relay -J299- (100, 644)
q Only models with a petrol engine
R6 - Automatic glow period control unit -J179-
Note
E-box high, relay slots R1 and R2 are occupied: select current flow diagrams for basic equipment, convenience system, engines in high (AW1).
VW JETTA 2014 Overview of relays on E-box high, with hybrid system
Only for models with high-voltage system (hybrid).
R1 - Wiper motor switch-over relay 1 -J368- (650)
R2 - Wiper motor switch-over relay 2 -J369- (650)
R3 - Main relay -J271- (644)
R4 - Low heat output relay -J359- (645)
R5 - High heat output relay -J360- (644)
R5 - Brake servo relay -J569- (645) without auxiliary air heater (PTC)
R6 - Brake servo relay -J569- (645) with auxiliary air heater (PTC)
VW JETTA 2014 Overview of relays under dash panel, 15-socket relay carrier, MY 2011
1 - Converter box -J935- (499)
2 - Fresh air blower relay -J13- (449, 645)
3 - Auxiliary heater operation relay -J485- (449)
4 - Fuel pump relay -J17- (449)
4 - Engine component current supply relay -J757- (498)
4 - Additional coolant pump relay -J496- (449)
5 - Dipped beam relay -J331- (53)
6 - Fresh air blower relay -J13- (53)
7 - Terminal 75 voltage supply relay 1 -J680- (53)
8 - Dual tone horn relay -J4- (449)
8 - Headlight washer system relay -J39- (449)
9 - Terminal 50 voltage supply relay -J682- (643)
10 - Terminal 15 voltage supply relay 2 -J681- (643)
11 - Heated rear window relay -J9- (449)
12 - Electric fuel pump 2 relay -J49- (449, 646)
12 - Heater element relay -J925- (449, 646)
12 - Cold start device relay -J41- (645)
12 - Fuel supply relay -J643- (446)
13 - Terminal 50 voltage supply relay -J682- (433, 507)
14 - Terminal 15 voltage supply relay -J329- (645)
15 - Fog light relay -J5- (53)
VW JETTA 2014 Overview of relays under dash panel, 12-socket relay carrier, LHD (E-box low), MY 2012
1 - Dual tone horn relay -J4- (446)
1 - Alarm horn relay -J641- (446)
1 - Headlight washer system relay -J39- (446)
2 - Terminal 50 voltage supply relay -J682- (507)
2 - Starter relay 2 -J907- (507)
3 - Electric fuel pump 2 relay -J49- (646)
3 - Heater element relay -J925- (646)
4 - Continued coolant circulation relay -J151- (646)
q Gradually discontinued (new relay slot 4, on E-box low)
4 - Additional coolant pump relay -J496- (646)
4 - Fuel supply relay -J643- (446)
4 - Fuel pump relay -J17- (446)
5 - Terminal 75 voltage supply relay 1 -J680- (645)
q Gradually discontinued (new relay socket 10)
6 - Terminal 50 voltage supply relay -J682- (645)
6 - Starter relay 1 -J906- (645)
7 - Terminal 15 voltage supply relay -J329- (645)
8 - Dipped beam relay -J331- (645)
9 - Terminal 15 voltage supply relay 2 -J681- (645)
10 - Terminal 75 voltage supply relay 1 -J680- (645), gradual introduction
11 - Fog light relay -J5- (645)
12 - Converter box -J935- (499)
VW JETTA 2014 Overview of relays under dash panel, 12-socket relay carrier, LHD (E-box high), MY 2012
1 - Dual tone horn relay -J4- (446)
1 - Headlight washer system relay -J39- (446)
2 - Terminal 50 voltage supply relay -J682- (507)
2 - Starter relay 2 -J907- (507)
3 - Cold start device relay -J41- (645)
3 - Electric fuel pump 2 relay -J49- (646)
3 - Heater element relay -J925- (646)
4 - Continued coolant circulation relay -J151- (646)
q Gradually discontinued (new relay slot 4, on E-box high)
4 - Additional coolant pump relay -J496- (646)
4 - Fuel supply relay -J643- (446)
4 - Fuel pump relay -J17- (446)
5 - Terminal 75 voltage supply relay 1 -J680- (645)
q Gradually discontinued (new relay socket 10)
6 - Terminal 50 voltage supply relay -J682- (645)
6 - Starter relay 1 -J906- (645)
7 - Auxiliary heater operation relay -J485- (646)
8 - Heated rear window relay -J9- (646)
9 - Terminal 15 voltage supply relay 2 -J681- (645)
10 - Terminal 75 voltage supply relay 1 -J680- (645), gradual introduction
11 - Fresh air blower relay -J13- (645)
VW JETTA 2014 Overview of relays under dash panel, 12-socket relay carrier, RHD (E-box high) MY 2012
1 - Dual tone horn relay -J4- (446)
1 - Headlight washer system relay -J39- (446)
2 - Terminal 50 voltage supply relay -J682- (507)
2 - Starter relay 2 -J907- (507)
3 - Electric fuel pump 2 relay -J49- (646)
3 - Heater element relay -J925- (646)
4 - Continued coolant circulation relay -J151- (646)
q Gradually discontinued (new relay slot 4, on E-box high)
5 - Terminal 75 voltage supply relay 1 -J680- (645)
q Gradually discontinued (new relay socket 10)
5 - Additional coolant pump relay -J496- (646)
5 - Fuel supply relay -J643- (446)
5 - Fuel pump relay -J17- (446)
6 - Terminal 50 voltage supply relay -J682- (645)
6 - Starter relay 1 -J906- (645)
7 - Terminal 15 voltage supply relay -J329- (645)
8 - Dipped beam relay -J331- (645)
9 - Terminal 15 voltage supply relay 2 -J681- (645)
10 - Terminal 75 voltage supply relay 1 -J680- (645), gradual introduction
11 - Fog light relay -J5- (645)
VW JETTA 2014 Overview of relays under dash panel, 12-socket relay carrier, LHD (E-box low), MY 2013
1 - Dual tone horn relay -J4- (446)
1 - Alarm horn relay -J641- (446)
1 - Headlight washer system relay -J39- (446)
2 - Terminal 50 voltage supply relay -J682- (507)
2 - Starter relay 2 -J907- (507)
3 - Cold start device relay -J41- (645)
3 - Electric fuel pump 2 relay -J49- (646)
3 - Heater element relay -J925- (646)
4 - Fuel pump relay -J17- (446)
4 - Additional coolant pump relay -J496- (646)
4 - Fuel supply relay -J643- (446)
6 - Terminal 50 voltage supply relay -J682- (645)
6 - Starter relay 1 -J906- (645)
7 - Terminal 15 voltage supply relay -J329- (645)
8 - Dipped beam relay -J331- (645)
9 - Terminal 15 voltage supply relay 2 -J681- (645)
10 - Terminal 75 voltage supply relay 1 -J680- (645)
11 - Fog light relay -J5- (645)
12 - Converter box -J935- (499)
VW JETTA 2014 Overview of relays under dash panel, 12-socket relay carrier, LHD (E-box high), from MY 2013
1 - Dual tone horn relay -J4- (446)
1 - Headlight washer system relay -J39- (446)
2 - Terminal 50 voltage supply relay -J682- (507)
2 - Starter relay 2 -J907- (507)
2 - Open window regulator relay, driver side -J550- (650)
2 - Close window regulator relay, driver side -J551- (650)
3 - Cold start device relay -J41- (645)
3 - Secondary air pump relay -J299- (CNLA)
3 - Electric fuel pump 2 relay -J49- (646)
3 - Open window regulator relay, front passenger side -J552- (650)
3 - Heater element relay -J925- (646)
3 - Close window regulator relay, front passenger side -J553- (650)
4 - Fuel pump relay -J17- (446)
4 - Additional coolant pump relay -J496- (646)
4 - Fuel supply relay -J643- (446)
4 - Engine component current supply relay -J757- (449)
6 - Terminal 50 voltage supply relay -J682- (645)
6 - Starter relay 1 -J906- (645)
7 - Auxiliary heater operation relay -J485- (646)
7 - Window regulator relay -J51- (650)
8 - Heated rear window relay -J9- (646)
9 - Terminal 15 voltage supply relay 2 -J681- (645)
10 - Terminal 75 voltage supply relay 1 -J680- (645)
11 - Fresh air blower relay -J13- (645)
11 - Fan enabling relay -J937- (646)
q Only for models with high-voltage system (hybrid)
VW JETTA 2014 Overview of relays under dash panel, 12-socket relay carrier, RHD (E-box high), from MY 2013
1 - Dual tone horn relay -J4- (446)
1 - Headlight washer system relay -J39- (446)
2 - Terminal 50 voltage supply relay -J682- (507)
2 - Starter relay 2 -J907- (507)
3 - Electric fuel pump 2 relay -J49- (646)
3 - Heater element relay -J925- (646)
5 - Fuel pump relay -J17- (646)
5 - Additional coolant pump relay -J496- (646)
5 - Engine component current supply relay -J757- (449)
6 - Terminal 50 voltage supply relay -J682- (645)
6 - Starter relay 1 -J906- (645)
7 - Auxiliary heater operation relay -J485- (646)
8 - Heated rear window relay -J9- (646)
9 - Terminal 15 voltage supply relay 2 -J681- (645)
10 - Terminal 75 voltage supply relay 1 -J680- (645)
11 - Fresh air blower relay -J13- (645)
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