VW JETTA 2017 – Convenience system, (AW1) . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW JETTA 2017 - Battery - Fuse 1 in fuse holder A - Fuse 4 in fuse holder A - Fuse holder C - Fuse 25 on fuse holder B

A	Battery
C	Alternator
SA1	Fuse 1 in fuse holder A
SA4	Fuse 4 in fuse holder A
SC	Fuse holder C
SC22	Fuse 22 on fuse holder C
SB25	Fuse 25 on fuse holder B
SC45	Fuse 45 on fuse holder C
SC46	Fuse 46 on fuse holder C
SC48	Fuse 48 on fuse holder C
SC51	Fuse 51 on fuse holder C
508	Threaded connection (30) on E-box
A164	Positive connection 2 (30a) in dash panel wiring harness
A167	Positive connection 3 (30a) in dash panel wiring harness
B151	Positive connection 3 (30a), in interior wiring harness
*	Only models with no hybrid drive system
*2	Not for American markets
*3	see applicable current flow diagram for high-voltage system
*4	According to equipment
*5	Only for American markets

Wiring Diagram VW JETTA 2017 - Front left window regulator switch - Rear left window regulator switch - in driver door - Rear right window regulator switch - in driver door - Front right window regulator switch in driver door - Childproof lock button - Driver door control unit

E40	Front left window regulator switch
E53	Rear left window regulator switch, in driver door
E55	Rear right window regulator switch, in driver door
E81	Front right window regulator switch in driver door
E318	Childproof lock button
J386	Driver door control unit
K236	Warning light for activated childproof lock
L76	Button illumination bulb
T10f	10-pin connector
T32a	32-pin connector
V147	Driver side window regulator motor
267	Earth connection 2, in drive side door wiring harness
R75	Connection 1 (58d), in door control unit wiring harness

Wiring Diagram VW JETTA 2017 - Rear lid remote release button - Pressure equalisation button - Driver door control unit

E233	Rear lid remote release button
E790	Pressure equalisation button
J386	Driver door control unit
L76	Button illumination bulb
T4ac	4-pin connector
T4w	4-pin connector
T20a	20-pin connector
T28d	28-pin connector, lower part of A-pillar, driver side
T32a	32-pin connector
267	Earth connection 2, in drive side door wiring harness
B528	Connection 1 (LIN bus) in main wiring harness
R60	Positive connection (30a), in driver door wiring harness
R75	Connection 1 (58d), in door control unit wiring harness
*	Only for American markets
*2	Only models with no hybrid drive system
*3	Only models with hybrid drive system

Wiring Diagram VW JETTA 2017 - Mirror adjustment switch - Mirror adjustment changeover switch - Exterior mirror heater button - Fold-in mirror switch - Driver side interior locking button for central locking system - Driver door control unit - Central locking SAFELOCK function warning lamp - Mirror adjustment switch illumination bulb

E43	Mirror adjustment switch
E48	Mirror adjustment changeover switch
E231	Exterior mirror heater button
E263	Fold-in mirror switch
E308	Driver side interior locking button for central locking system
J386	Driver door control unit
K133	Central locking SAFELOCK function warning lamp
K174	Driver side interior locking warning lamp
L76	Button illumination bulb
L78	Mirror adjustment switch illumination bulb
T2wr	2-pin connector
T4am	4-pin connector
T6al	6-pin connector
T32a	32-pin connector
267	Earth connection 2, in drive side door wiring harness
R75	Connection 1 (58d), in door control unit wiring harness

Wiring Diagram VW JETTA 2017 - Driver door control unit - Driver side exterior mirror - Driver side fold-in mirror motor - Driver side mirror adjustment motor

J386	Driver door control unit
L131	Driver side turn signal repeater bulb
T2sk	2-pin connector
T2sl	2-pin connector
T16a	16-pin connector
T20a	20-pin connector
T28d	28-pin connector, lower part of A-pillar, driver side
VX4	Driver side exterior mirror
V17	Driver side mirror adjustment motor 2
V121	Driver side fold-in mirror motor
V149	Driver side mirror adjustment motor
Z4	Heated exterior mirror on driver side
107	Earth connection, in external mirror wiring harness
205	Earth connection, in driver door wiring harness
236	Earth connection 2, in window regulator/central locking and convertible roof wiring harness
*	According to equipment
*2	Wiring colour depends on equipment

Wiring Diagram VW JETTA 2017 - Driver door contact switch - Driver door control unit - Front passenger door control unit - Driver door lock unit - Driver door central locking motor - Front passenger side window regulator motor

F2	Driver door contact switch
J386	Driver door control unit
J387	Front passenger door control unit
T8f	8-pin connector
T20a	20-pin connector
T20b	20-pin connector
T28a	28-pin connector, lower part of A-pillar, front passenger side
VX21	Driver door lock unit
V56	Driver door central locking motor
V148	Front passenger side window regulator motor
V161	Driver door central locking SAFELOCK function motor
R16	Positive connection 1 (30), in front passenger door wiring harness
*	Not for American markets

Wiring Diagram VW JETTA 2017 - Window regulator switch in front passenger door - Front passenger door contact switch - Front passenger door control unit - Front passenger door lock unit - Front passenger seat central locking motor

E107	Window regulator switch in front passenger door
F3	Front passenger door contact switch
J387	Front passenger door control unit
L76	Button illumination bulb
T4ak	4-pin connector
T8h	8-pin connector
T20b	20-pin connector
T28a	28-pin connector, lower part of A-pillar, front passenger side
T32b	32-pin connector
VX22	Front passenger door lock unit
V57	Front passenger seat central locking motor
V162	Front passenger door central locking SAFELOCK function motor
206	Earth connection, in front passenger door wiring harness
230	Earth connection 1, in window regulators/central locking and convertible roof wiring harness
268	Earth connection 2, in front passenger side door wiring harness
*	Not for American markets

Wiring Diagram VW JETTA 2017 - Front passenger side interior locking button for central locking system - Front passenger door control unit - Front passenger side exterior mirror - Front passenger side mirror adjustment motor 2 - Front passenger side fold-in mirror motor - Front passenger side mirror adjustment motor

E309	Front passenger side interior locking button for central locking system
J387	Front passenger door control unit
L76	Button illumination bulb
L132	Front passenger side turn signal repeater bulb
T2sm	2-pin connector
T2sr	2-pin connector
T4an	4-pin connector
T16b	16-pin connector
T32b	32-pin connector
VX5	Front passenger side exterior mirror
V25	Front passenger side mirror adjustment motor 2
V122	Front passenger side fold-in mirror motor
V150	Front passenger side mirror adjustment motor
Z5	Heated exterior mirror on front passenger side
230	Earth connection 1, in window regulators/central locking and convertible roof wiring harness
801	Earth connection 2, in external mirror wiring harness
*	Wiring colour depends on equipment

Wiring Diagram VW JETTA 2017 - Rear lid handle release button - Interior monitoring deactivation switch - Deactivation button for vehicle inclination sender - Luggage compartment light switch - Rear lid lock unit - Onboard supply control unit - Rear lid electric opener motor - Luggage compartment light

E234	Rear lid handle release button
E267	Interior monitoring deactivation switch
E360	Deactivation button for vehicle inclination sender
F5	Luggage compartment light switch
F256	Rear lid lock unit
J519	Onboard supply control unit
T2aq	2-pin connector
T2t	2-pin connector
T4br	4-pin connector
T4u	4-pin connector
T52a	52-pin connector
T52b	52-pin connector
T52c	52-pin connector
V254	Rear lid electric opener motor
W3	Luggage compartment light
422	Earth connection 1, in left rear end wiring harness
B128	Connection (luggage compartment light), in interior wiring harness
B154	Connection 1 (DCt), in interior wiring harness
B559	Positive connection 1 (30g) in main wiring harness
*	According to equipment

Wiring Diagram VW JETTA 2017 - Interior monitoring sensor - Vehicle inclination sender - Alarm horn - Onboard supply control unit - Tank filler flap locking motor

G273	Interior monitoring sensor
G384	Vehicle inclination sender
H12	Alarm horn
H18	Alarm system horn
J519	Onboard supply control unit
T2ah	2-pin connector
T2x	2-pin connector
T3f	3-pin connector
T4j	4-pin connector
T52a	52-pin connector
T52b	52-pin connector
T52c	52-pin connector
V155	Tank filler flap locking motor
249	Earth connection 2, in interior wiring harness
347	Earth connection, in roof wiring harness
367	Earth connection 2, in main wiring harness
B321	Positive connection 7 (30a) in main wiring harness
B549	Connection 2 (LIN bus) in main wiring harness
*	Not for American markets
*2	Only for American markets
*3	According to equipment
*4	Only models with hybrid drive system

Wiring Diagram VW JETTA 2017 - Bonnet contact switch - Terminal 15 voltage supply relay - Onboard supply control unit - Front interior light - Automatic anti-dazzle interior mirror

E1	Light switch
F266	Bonnet contact switch
J329	Terminal 15 voltage supply relay
J519	Onboard supply control unit
SC13	Fuse 13 on fuse holder C
T2n	2-pin connector
T6b	6-pin connector
T6d	6-pin connector
T9g	9-pin connector
T10h	10-pin connector
T52a	52-pin connector
T52b	52-pin connector
T52c	52-pin connector
W1	Front interior light
Y7	Automatic anti-dazzle interior mirror
82	Earth connection 1, in front left wiring harness
108	Earth connection 2, in front left wiring harness
A19	Connection (58d), in dash panel wiring harness
B163	Positive connection 1 (15), in interior wiring harness
U25	Connection (15), in manual gearbox wiring harness
W71	Connection (reversing light), in rear wiring harness

Wiring Diagram VW JETTA 2017 - Sliding sunroof adjustment regulator - Button 1 for tilting roof - Sliding sunroof adjustment control unit - Onboard supply control unit - Sliding sunroof motor

E139	Sliding sunroof adjustment regulator
E582	Button 1 for tilting roof
J245	Sliding sunroof adjustment control unit
J519	Onboard supply control unit
J533	Data bus diagnostic interface
T4ad	4-pin connector
T10e	10-pin connector
T20	20-pin connector
T52c	52-pin connector
V1	Sliding sunroof motor
B397	Connection 1 (convenience CAN bus, high), in main wiring harness
B406	Connection 1 (convenience CAN bus, low), in main wiring harness
B577	LIN bus connection, in roof wiring harness

Wiring Diagram VW JETTA 2017 - Rear left window regulator switch - in door - Rear left door contact switch - Rear left door control unit - Rear left door lock unit - Rear left window regulator motor - Rear left door central locking motor - lock

E52	Rear left window regulator switch, in door
F10	Rear left door contact switch
J388	Rear left door control unit
L76	Button illumination bulb
T4aq	4-pin connector
T8s	8-pin connector
T18a	18-pin connector
T28b	28-pin connector, on left B-pillar
VX23	Rear left door lock unit
V26	Rear left window regulator motor
V214	Rear left door central locking motor, lock
207	Earth connection, in rear left door wiring harness
R19	Positive connection 1 (30), in rear left door wiring harness
*	Not for American markets

Wiring Diagram VW JETTA 2017 - Rear right window regulator switch - in door - Rear central switch for interior locking - Rear left door control unit - Rear right door control unit - Rear right window regulator motor

E54	Rear right window regulator switch, in door
E286	Rear central switch for interior locking
J388	Rear left door control unit
J389	Rear right door control unit
L76	Button illumination bulb
T4ar	4-pin connector
T4bz	4-pin connector
T18a	18-pin connector
T18b	18-pin connector
T28b	28-pin connector, on left B-pillar
T28c	28-pin connector, on right B-pillar
V27	Rear right window regulator motor
208	Earth connection, in rear right door wiring harness
238	Earth connection 1, in interior wiring harness
278	Earth connection 4, in interior wiring harness
R23	Positive connection 1 (30), in rear right door wiring harness

Wiring Diagram VW JETTA 2017 - Rear right door contact switch - Rear right door control unit - Rear right door lock unit - Rear right door central locking motor - lock

F11	Rear right door contact switch
J389	Rear right door control unit
T8t	8-pin connector
T18b	18-pin connector
VX24	Rear right door lock unit
V215	Rear right door central locking motor, lock
208	Earth connection, in rear right door wiring harness
*	Not for American markets

VW JETTA 2017 Overview of control units in rear part of vehicle

   

Overview of control units in rear part of vehicle, additional in hybrid models

<warnhinweis> <quelle> Risk of fatal injury due to high voltage. </quelle> <folge> Death or serious injuries due to electrical shock. </folge> <massnahme> Have the high-voltage system de-energised by a suitably qualified person. </massnahme> <massnahme> Read and observe safety information → Repair Group  93 . </massnahme> </warnhinweis>

2 -	Battery regulation control unit -J840-

q	installed in hybrid battery unit -AX1-

q	with hybrid battery -A38-

q	Fitting location: in luggage compartment

3 -	Battery monitoring control unit -J367-

q	Fitting location

q	On battery negative terminal. -A-

Blind spot monitor control unit -J1086- Fitting location behind bumper on left

1 -	Blind spot monitor control unit -J1086-

A -	8-pin connector -T8ad-

Connector assignment of blind spot monitor control unit -J1086-

-T8ad--A-	Designation
1
2
3	B108 - Connection 1 (CAN bus extended high), in main wiring harness1) / B383 - Connection 1 (powertrain CAN bus, high), in main wiring harness2)
4	B109 - Connection 1 (CAN bus extended low), in main wiring harness1) / B390 - Connection 1 (powertrain CAN bus, low), in main wiring harness2)
5	Terminal 31
6	Blind spot monitor control unit 2 -J1087-
7	Blind spot monitor control unit 2 -J1087-
8	Terminal 15

1) Only models with "High" equipment (AW1)

2) Only models with "Low" equipment (AW0)

Back to overview VW JETTA 2017 Trailer detector control unit J345 Trailer detector control unit -J345- Fitting location In luggage compartment behind left-hand luggage compartment side panel, near wheel housing

1 -	Trailer detector control unit -J345-

A -	12-pin connector -T12a-

B -	16-pin connector -T16f-

Connector assignment of trailer detector control unit -J345-

-T12a--A-	Designation		-T16f--B-	Designation
1			1
2	A20 - Positive connection (15a), in dash panel wiring harness		2	Trailer socket -U10-
3	B335 - Connection 1 (54), in main wiring harness		3	Trailer socket -U10-
4			4	Trailer socket -U10-
5			5	Trailer socket -U10-
6			6
7	B397 - Connection 1 (convenience CAN bus, high), in main wiring harness		7	Trailer socket -U10-
8	B406 - Connection 1 (convenience CAN bus, low), in main wiring harness		8
9	Terminal 30		9
10	Terminal 31		10	Trailer socket -U10-
11	Terminal 30		11
12	Terminal 30		12
			13	Trailer socket -U10-
			14
			15
			16	Trailer socket -U10-

Back to overview VW JETTA 2017 Blind spot monitor control unit 2 J1087 Blind spot monitor control unit 2 -J1087- Fitting location Behind bumper on right

1 -	Blind spot monitor control unit 2 -J1087-

A -	8-pin connector -T8ae-

Connector assignment of blind spot monitor control unit 2 -J1087-

-T8ae--A-	Designation
1
2
3	Blind spot monitor warning lamp in right exterior mirror -K304-
4	Blind spot monitor warning lamp in left exterior mirror -K303-
5	Terminal 31
6	Blind spot monitor control unit -J1086-
7	Blind spot monitor control unit -J1086-
8	Terminal 15

Back to overview VW JETTA 2017 Battery monitoring control unit -J367- , additional in hybrid vehicles Fitting location In luggage compartment behind left-hand luggage compartment side panel, near wheel housing

1 -	Battery monitoring control unit -J367-

A -	2-pin connector -T2fn-

Connector assignment of battery monitor control unit -J367-

-T2fn--A-	Designation
1	LIN bus
2	Terminal 30

Back to overview

VW JETTA 2017 Overview of fuse holders

Overview of fuse holders

The architecture of the electrical equipment in the Jetta can be recognised from the assignment of the relay slots in the E-box.

   

Features of vehicle electrical equipment architecture

Features	Equipment low (AW0)	Equipment high (AW1)
Relay slots R1 and R2 occupied		X
Onboard supply control unit -J519- with 73-pin connector -T73a- and -T73b-	X
Onboard supply control unit -J519- with 52-pin connector -T52a- , -T52b- and -T52c-		X
Data bus diagnostic interface -J533- integrated into onboard supply control unit -J519-	X
Data bus diagnostic interface -J533-		X
Steering column electronics control module -J527-		X
Left steering column switch -EX19-	X
Right steering column switch -EX20-	X
Converter box -J935-	X

q	Fitting location, Hybrid

q	Fuse assignment, from July 2014

q	Fuse assignment, hybrid, from September 2014

q	Fuse assignment, from July 2014

q	Fuse assignment, from July 2015

q	Fitting location right-hand drive

q	Fuse assignment, from July 2014

q	Fuse assignment from July 2015

q	Fuse assignment, from July 2014

Fuses in fuse holder -S--S162- , -S163-

q	Fitting location

q	Fuse assignment, hybrid, from September 2014

VW JETTA 2017 Fitting location, fuse holder A SA Fitting location, fuse holder A -SA- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Obțineți acces la toate schemele de cablare auto 1 -  Fuse holder A -SA- 508 -  Threaded connection (30) on E-box Multifuse strip fuse → Repair Group  97   Note: The fuse strip (multifuse) must be replaced as a complete unit. Back to overview     Fitting location of fuse holder A -SA- , hybrid https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Obțineți acces la toate schemele de cablare auto 1 -  Fuse holder A -SA- 508 -  Threaded connection (30) on E-box Multifuse strip fuse → Repair Group  97   Note: The fuse strip (multifuse) must be replaced as a complete unit. Back to overview     Fuse assignment on fuse holder A -SA- Fuse assignment of fuse holder A -SA- , from July 2014 Screw location Current flow diagram designation Nominal value Function/component Terminal 508 508 Threaded connection (30), on E-box -   30 SA1 Fuse 1 on fuse holder A -SA1- 200 A Alternator -C- (140 A) 30 SA2 Not assigned -   - SA3 Fuse 3 on fuse holder A -SA3- 80 A Power steering control unit -J500- 30 SA4 Fuse 4 on fuse holder A -SA4- 80 A Interior terminal 30 power supply SC fuses 30 Back to overview     Fuse assignment of fuse holder A -SA- , hybrid from September 2014 Screw location Current flow diagram designation Nominal value Function/component Terminal 508 508 Threaded connection (30), on E-box/jump start connection -TV32- -   - SA1 Fuse 1 on fuse holder A -SA1- 200 A Power and control electronics for electric drive -JX1- Voltage converter -A19- 30 SA2 Not assigned -   - SA3 Fuse 3 on fuse holder A -SA3- 80 A Power steering control unit -J500- 30 SA4 Not assigned -   - Back to overview Fitting location of fuse holder B -SB-   Note: The fitting locations are identical on LHD and RHD models.     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Obțineți acces la toate schemele de cablare auto 1 -  Fuse holder B -SB- Fuse colours for ATO flat fuse: (SB1 to SB20) t  40 A - orange t  30 A - light-green t  25 A - natural (white) t  20 A - yellow t  15 A - light blue t  10 A - red t  7.5 A - brown t  5 A - light-brown t  1 A - black Fuse colours for J-Case fuse: (SB21 to SB32) t  50 A - red t  40 A - green t  30 A - pink Back to overview     VW JETTA 2017 Fuse assignment of fuse holder B -SB- , from July 2014 Slot Current flow diagram designation Nominal value Function/component Terminal F1 Not assigned -   - F2 Fuse 2 on fuse holder B -SB2- 20 A Engine control unit -J623- 87 F3 Fuse 3 on fuse holder B -SB3- 5 A High heat output relay -J360- 87     Low heat output relay -J359-       Radiator fan control unit -J293- F4 Fuse 4 on fuse holder B -SB4- 10 A3) 15 A6) Lambda probe heater -Z19- 87     Lambda probe 1 heater after catalytic converter -Z29-       Coolant pump for high-temperature circuit -V467-3)       Low-temperature circuit coolant pump -V468-       Lambda probe heater 2 -Z28- F5 Fuse 5 on fuse holder B -SB5-7) 15 A Secondary air inlet valve -N112- 87 F6 Fuse 6 on fuse holder B -SB6- 10 A Fuel system diagnostic pump -V144- Fuel tank shut-off valve -N288- Secondary air pump relay -J299-1) Heater element for crankcase breather -N79- Lambda probe heater 2 -Z28- 87 F7 Fuse 7 on fuse holder B -SB7- 20 A 30 A5),7) 10 A2),3) Ignition coil 1 with output stage -N70- Ignition coil 2 with output stage -N127- Ignition coil 3 with output stage -N291- Ignition coil 4 with output stage -N292- Ignition coil 5 with output stage -N323-5) Ignition transformer -N152- Fuel pressure regulating valve -N276-2)4) Fuel metering valve -N290-2)4) Camshaft control valve 1 -N205-2) 87 F8 Fuse 8 on fuse holder B -SB8- 10 A Throttle valve module -J338- Charge pressure control solenoid valve -N75- Secondary air inlet valve -N112- Secondary air pump relay -J299- Activated charcoal filter solenoid valve 1 -N80- Camshaft control valve 1 -N205- Turbocharger air recirculation valve -N249- Intake manifold flap valve -N316- Exhaust camshaft control valve 1 -N318-3) Charge pressure control solenoid valve -N75-4) Exhaust gas recirculation cooler changeover valve -N345-4) Heater element for crankcase breather -N79-4) Valve for oil pressure control -N428-3) Pressure regulator for disengagement clutch -N511-3) Radiator blind control motor -V544- 87 F9 Fuse 9 on fuse holder B -SB9- 10 A 15 A3),7) Fuel pump relay -J17- Valve for oil pressure control -N428- Turbocharger air recirculation valve -N249- Intake manifold flap valve -N316- Automatic glow period control unit -J179-4) Circulation pump -V55-4) Electric fuel pump 2 relay -J49-4) 87 F10 Fuse 10 on fuse holder B -SB10- 5 A Brake light switch -F- Clutch position sender -G476- 87 F11 Not assigned -   - F12 Fuse 12 on fuse holder B -SB12- 30 A Ignition coil 1 with output stage -N70- Ignition coil 2 with output stage -N127- Ignition coil 3 with output stage -N291- Ignition coil 4 with output stage -N292- Coolant circulation pump -V50- 87 F13 Fuse 13 on fuse holder B -SB13- 30 A Voltage stabiliser -J532- Control unit with display for radio and navigation -J503- Radio -R- 30 F14 Fuse 14 on fuse holder B -SB14- 10 A Engine control unit -J623- Main relay -J271-4) 30 F15 Fuse 15 on fuse holder B -SB15- 30 A ABS control unit -J104- 30 F16 Fuse 16 on fuse holder B -SB16- 5 A8) 10 A8) 20 A7),8) Vacuum pump relay -J57- Relay for reducing agent metering system -J963- 30 F17 Fuse 17 on fuse holder B -SB17- 15 A Mechatronic unit for dual clutch gearbox -J743- 30 F18 Fuse 18 on fuse holder B -SB18- 30 A Mechatronic unit for dual clutch gearbox -J743- 30 F19 Fuse 19 on fuse holder B -SB19- 5 A Onboard supply control unit -J519- (T52a/24) AW1, (T73b/59) AW0 Battery monitor control unit -J367- 30 F20 Fuse 20 on fuse holder B -SB20- 30 A Onboard supply control unit -J519- (AW0) Wiper motor relay 1 -J368- (AW1) Wiper motor relay 2 -J369- (AW1) 30 F21 Fuse 21 on fuse holder B -SB21- 40 A7),10) 50 A8) Secondary air pump motor -V101- Auxiliary air heater element -Z35- 87 F22 Fuse 22 on fuse holder B -SB22-10) 40 A Auxiliary air heater element -Z35- 87 F23 Fuse 23 on fuse holder B -SB23- 40 A8) 50 A8) Terminal 75 voltage supply relay 1 -J680- 30 F24 Fuse 24 on fuse holder B -SB24- 50 A Fuse 40 on fuse holder C -SC40- 30 F25 Fuse 25 on fuse holder B -SB25- 40 A Terminal 15 voltage supply relay -J329- 30 F26 Fuse 26 on fuse holder B -SB26- 50 A 40 A3) Automatic glow period control unit -J179- 30 F27 Fuse 27 on fuse holder B -SB27- 50 A Radiator fan -V7- 30 F28 Fuse 28 on fuse holder B -SB28-9) 30 A Onboard supply control unit -J519- (T52a/1) 30 F29 Fuse 29 on fuse holder B -SB29-9) 30 A Onboard supply control unit -J519- (T52c/42) 30 F30 Fuse 30 on fuse holder B -SB30- 40 A ABS control unit -J104- 30 F31 Fuse 31 on fuse holder B -SB31- 40 A Amplifier -R12- 30 F32 Fuse 32 on fuse holder B -SB32- 40 A Auxiliary air heater element -Z35- 30 1) Only for models with exhaust concept ULEV 2 - (7GB) 2) for models with diesel engine only 3) Engine codes CNLA, CRJA 4) Engine code CFFB 5) Only models with 2.5l petrol engine 6) Engine code CAYC 7) Only left-hand drive models 8) According to equipment 9) Only models with "High" equipment (AW1) 10) Only models with auxiliary air heating Back to overview     VW JETTA 2017 Fuse assignment of fuse holder B -SB- , from July 2015 Slot Current flow diagram designation Nominal value Function/component Terminal F1 Not assigned -   - F2 Fuse 2 on fuse holder B -SB2- 20 A Engine control unit -J623- 87 F3 Fuse 3 on fuse holder B -SB3- 5 A High heat output relay -J360- 87     Low heat output relay -J359-       Radiator fan control unit -J293- F4 Fuse 4 on fuse holder B -SB4- 10 A3) 15 A6) Lambda probe heater -Z19- 87     Lambda probe 1 heater after catalytic converter -Z29-       Coolant pump for high-temperature circuit -V467-3)       Low-temperature circuit coolant pump -V468-       Lambda probe heater 2 -Z28- F5 Fuse 5 on fuse holder B -SB5-7) 15 A Secondary air inlet valve -N112- 87 F6 Fuse 6 on fuse holder B -SB6- 10 A Fuel system diagnostic pump -V144- Fuel tank shut-off valve -N288- Secondary air pump relay -J299-1) Heater element for crankcase breather -N79- Lambda probe heater 2 -Z28- 87 F7 Fuse 7 on fuse holder B -SB7- 20 A 30 A5),7) 10 A2),3) Ignition coil 1 with output stage -N70- Ignition coil 2 with output stage -N127- Ignition coil 3 with output stage -N291- Ignition coil 4 with output stage -N292- Ignition coil 5 with output stage -N323-5) Ignition transformer -N152- Fuel pressure regulating valve -N276-2)4) Fuel metering valve -N290-2)4) Camshaft control valve 1 -N205-2) 87 F8 Fuse 8 on fuse holder B -SB8- 10 A Throttle valve module -J338- Charge pressure control solenoid valve -N75- Secondary air inlet valve -N112- Secondary air pump relay -J299- Activated charcoal filter solenoid valve 1 -N80- Camshaft control valve 1 -N205- Turbocharger air recirculation valve -N249- Intake manifold flap valve -N316- Exhaust camshaft control valve 1 -N318-3) Charge pressure control solenoid valve -N75-4) Exhaust gas recirculation cooler changeover valve -N345-4) Heater element for crankcase breather -N79-4) Valve for oil pressure control -N428-3) Pressure regulator for disengagement clutch -N511-3) Radiator blind control motor -V544- 87 F9 Fuse 9 on fuse holder B -SB9- 10 A 15 A3),7) Fuel pump relay -J17- Valve for oil pressure control -N428- Turbocharger air recirculation valve -N249- Intake manifold flap valve -N316- Automatic glow period control unit -J179-4) Circulation pump -V55-4) Electric fuel pump 2 relay -J49-4) 87 F10 Fuse 10 on fuse holder B -SB10- 5 A Brake light switch -F- Clutch position sender -G476- 87 F11 Not assigned -   - F12 Fuse 12 on fuse holder B -SB12- 30 A Ignition coil 1 with output stage -N70- Ignition coil 2 with output stage -N127- Ignition coil 3 with output stage -N291- Ignition coil 4 with output stage -N292- Coolant circulation pump -V50- 87 F13 Fuse 13 on fuse holder B -SB13- 30 A8) 20 A8) Voltage stabiliser -J532- Control unit with display for radio and navigation -J503- Radio -R- 30 F14 Fuse 14 on fuse holder B -SB14- 10 A Engine control unit -J623- Main relay -J271-4) 30 F15 Fuse 15 on fuse holder B -SB15- 30 A ABS control unit -J104- 30 F16 Fuse 16 on fuse holder B -SB16- 5 A8) 10 A8) 20 A7),8) Vacuum pump relay -J57- Relay for reducing agent metering system -J963- 30 F17 Fuse 17 on fuse holder B -SB17- 15 A Mechatronic unit for dual clutch gearbox -J743- Automatic gearbox control unit -J217- 30 F18 Fuse 18 on fuse holder B -SB18- 30 A Mechatronic unit for dual clutch gearbox -J743- 30 F19 Fuse 19 on fuse holder B -SB19- 5 A Onboard supply control unit -J519- (T52a/24) AW1, (T73b/59) AW0 Battery monitor control unit -J367- 30 F20 Fuse 20 on fuse holder B -SB20- 30 A Onboard supply control unit -J519- (AW0) Wiper motor relay 1 -J368- (AW1) Wiper motor relay 2 -J369- (AW1) 30 F21 Fuse 21 on fuse holder B -SB21- 40 A7),10) 50 A8) Secondary air pump motor -V101- Auxiliary air heater element -Z35- 87 F22 Fuse 22 on fuse holder B -SB22- 40 A10) 30 A11) Auxiliary air heater element -Z35- Heated windscreen -Z2- 87 F23 Fuse 23 on fuse holder B -SB23- 40 A8) 50 A8) Terminal 75 voltage supply relay 1 -J680- 30 F24 Fuse 24 on fuse holder B -SB24- 50 A Fuse 40 on fuse holder C -SC40- 30 F25 Fuse 25 on fuse holder B -SB25- 40 A Terminal 15 voltage supply relay -J329- 30 F26 Fuse 26 on fuse holder B -SB26- 50 A 40 A3) Automatic glow period control unit -J179- 30 F27 Fuse 27 on fuse holder B -SB27- 50 A Radiator fan -V7- 30 F28 Fuse 28 on fuse holder B -SB28-9) 30 A Onboard supply control unit -J519- (T52a/1) 30 F29 Fuse 29 on fuse holder B -SB29-9) 30 A Onboard supply control unit -J519- (T52c/42) 30 F30 Fuse 30 on fuse holder B -SB30- 40 A ABS control unit -J104- 30 F31 Fuse 31 on fuse holder B -SB31- 40 A Amplifier -R12- 30 F32 Fuse 32 on fuse holder B -SB32- 40 A Auxiliary air heater element -Z35- 30 1) Only for models with exhaust concept ULEV 2 - (7GB) 2) for models with diesel engine only 3) Engine codes CNLA, CRJA 4) Engine code CFFB 5) Only models with 2.5l petrol engine 6) Engine code CAYC 7) Only left-hand drive models 8) According to equipment 9) Only models with "High" equipment (AW1) 10) Only models with auxiliary air heating 11) Only for Russia Back to overview     VW JETTA 2017 Fitting location of fuse holder C SC Fitting location of fuse holder C -SC- Fitting location, fuse holder C -SC- , left-hand drive https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Obțineți acces la toate schemele de cablare auto 1 -  Fuse holder C -SC- Fuse colours for ATO flat fuse: (SC25 to SC60) t  40 A - orange t  30 A - light-green t  25 A - natural (white) t  20 A - yellow t  15 A - light blue t  10 A - red t  7.5 A - brown t  5 A - light-brown Fuse colours for mini fuse: (SC1 to SC24) t  20 A - yellow t  15 A - light blue t  10 A - red t  7.5 A - brown t  5 A - light-brown t  1 A - black Back to overview     Fitting location, fuse holder C -SC- , right-hand drive https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Obțineți acces la toate schemele de cablare auto 1 -  Fuse holder C -SC- Fuse colours for ATO flat fuse: (SC25 to SC60) t  40 A - orange t  30 A - light-green t  25 A - natural (white) t  20 A - yellow t  15 A - light blue t  10 A - red t  7.5 A - brown t  5 A - light-brown Fuse colours for mini fuse: (SC1 to SC24) t  20 A - yellow t  15 A - light blue t  10 A - red t  7.5 A - brown t  5 A - light-brown t  1 A - black Back to overview     Fuse assignment of fuse holder C -SC- , from July 2014 Slot Current flow diagram designation Nominal value Function/component Terminal F1 Fuse 1 on fuse holder C -SC1- 10 A Control unit for electronic steering column lock -J764- (T16v/2) 15 F2 Not assigned - - F3 Fuse 3 on fuse holder C -SC3- 10 A Control unit in dash panel insert -J285- , (T32/32) Headlight washer system relay -J39-1) 30/ 30 stabilised F4 Fuse 4 on fuse holder C -SC4- 5 A Telephone transmitter and receiver unit -R36- Navigation system interface -R94- Mobile telephone operating electronics control unit -J412- , (T54a/1) Magnetic field sender for compass -G197- , (T8ac/1) 30 30 stabilised F5 Not assigned - - F6 Fuse 6 on fuse holder C -SC6- 10 A Reversing camera -R189- 30 F7 Not assigned - - F8 Fuse 8 on fuse holder C -SC8- 10 A Washer pump -V5- , (only AW0) Onboard supply control unit -J519- , (T73b/61), (only AW0) 53c F9 Fuse 9 on fuse holder C -SC9- 5 A Airbag control unit -J234- Front passenger airbag deactivated warning lamp -K145- Seat occupied recognition control unit -J706- 15 F10 Fuse 10 on fuse holder C -SC10- 15 A Right steering column switch -EX20- , (T10ls/3), (only AW0) 15 F11 Fuse 11 on fuse holder C -SC11- 10 A Front left headlight -MX1- , (gas discharge headlight) 15 F12 Fuse 12 on fuse holder C -SC12- 10 A Front right headlight -MX2- , (gas discharge headlight) 15 F13 Fuse 13 on fuse holder C -SC13- 5 A Automatic anti-dazzle interior mirror -Y7- Light sensor -G399- Parking aid control unit -J446- Air quality sensor -G238- High-pressure sender -G65- Tyre Pressure Loss Indicator button -E492- Button for TCS and electronic stabilisation program -E256- Reversing light switch -F4- Start/Stop operation switch -E262- Control unit for air conditioning compressor -J842-2) Control unit for cornering light and headlight range control -J745- Traction control system switch -E132- Isolation relay for powertrain CAN bus -J788- Heater control unit -J162- Radio -R- Adaptive cruise control unit -J428- 15 F14 Fuse 14 on fuse holder C -SC14- 10 A Left steering column switch -EX19- , (T16ls/1), (only AW0) ABS control unit -J104- , T26/20 / T47/8) Airbag coil connector and return ring with slip ring -F138- , (T16k/14) Trailer detector control unit -J345- , (T12a/2) Voltage stabiliser -J532- DC/AC converter with socket, 12 V - 230 V -U13- , (T3wr/3) Control unit for vehicle location system -J895- Data bus diagnostic interface -J533- , (only AW1) Control unit in dash panel insert -J285- Data bus diagnostic interface -J533- Hybrid battery unit -AX1- (T14ax/7)2) Power and control electronics for electric drive -JX1- (T28jx/56) Power steering control unit -J500- Oil level and oil temperature sender -G266- 15 F15 Fuse 15 on fuse holder C -SC15- 15 A Diagnostic connection -U31- Switch and instrument illumination regulator -E20- Headlight range control regulator -E102- , (only AW1) Auxiliary heater operation relay -J485- , (T9st/1) Driver vanity mirror contact switch -F147- , (T3be/3) Light switch -E1- , (T10h/4) Front left headlight -MX1- Left headlight range control motor -V48- Front right headlight -MX2- Right headlight range control motor -V49- Onboard supply control unit -J519- (T73a/44) 15 F16 Fuse 16 on fuse holder C -SC16- 10 A Starter relay 1 -J906- , (T9c/1) Starter relay 2 -J907- , (T7a/1) Air mass meter -G70- , T3bg/2) Fuel pump control unit -J538- Engine control unit -J623- Button for extended electric drive mode -E709- Cold start device relay -J41- , (T9ks/1) 15 F17 Fuse 17 on fuse holder C -SC17- 10 A Control unit for structure-borne sound -J869- Blind Spot Monitor control unit 2 -J1087- Blind spot monitor control unit -J1086- 15 F18 Fuse 18 on fuse holder C -SC18-3) 10 A Left steering column switch -EX19- Right steering column switch -EX20- TFL F19 Not assigned -   - F20 Fuse 20 on fuse holder C -SC20- 10 A Remote control receiver for auxiliary coolant heater -R149- Rain and light sensor -G397- Heater control unit -J162- Diagnostic connection -U31- 30 F21 Fuse 21 on fuse holder C -SC21- 15 A Heated front seats control unit -J774- 30 F22 Fuse 22 on fuse holder C -SC22- 10 A4) 15 A3) Onboard supply control unit -J519- , (T52c/1) Alarm system relay 5, hazard warning lights -J464- Interior monitoring sensor -G273- Vehicle inclination sender -G384- Alarm horn -H12- 30 F23 Fuse 23 on fuse holder C -SC23- 10 A Onboard supply control unit -J519- , (T73b/39) (only AW0) Light switch -E1- , (only AW1) Ignition/starter switch -D- (AW0) Control unit for vehicle location system -J895- Selector lever sensors control unit -J587- Automatic gearbox control unit -J217- 30 F24 Fuse 24 on fuse holder C -SC24- 10 A Entry and start authorisation control unit -J518- 30 F25 Fuse 25 on fuse holder C -SC25- 10 A Mechatronic unit for dual clutch gearbox -J743- Selector lever sensors control unit -J587- Automatic gearbox control unit -J217- Multifunction switch -F125- 15 F26 Fuse 26 on fuse holder C -SC26- 20 A Vacuum pump for brakes -V192- 15 F27 Fuse 27 on fuse holder C -SC27-3) 1 A Airbag coil connector and return ring with slip ring -F138- , (T16k/1) 15 F28 Fuse 28 on fuse holder C -SC28- 10 A Left washer jet heater element -Z20- Right washer jet heater element -Z21- 75 F29 Fuse 29 on fuse holder C -SC29-3) 5 A Onboard supply control unit -J519- , (T73b/51) (only AW0) 75 F30 Fuse 30 on fuse holder C -SC30- 20 A Onboard supply control unit -J519- , (T52c/21) Cigarette lighter -U1- 12 V socket -U5- 12 V socket 2 -U18- Blocking diode -J29- 75 F31 Not assigned - - F32 Not assigned - - F33 Fuse 33 on fuse holder C -SC33- 40 A Auxiliary heater operation relay -J485- Air conditioning system control unit -J301- 75 F34 Not assigned - 56 F35 Fuse 35 on fuse holder C -SC35- 10 A Steering column electronics control unit -J527- , (only AW1) Data bus diagnostic interface -J533- , (only AW1) Onboard supply control unit -J519- , (T73a/66) 30 F36 Fuse 36 on fuse holder C -SC36- 20 A Headlight washer system relay -J39- Onboard supply control unit -J519- , (T73a/73)(only AW0) 30 F37 Fuse 37 on fuse holder C -SC37- 30 A DC/AC converter with socket, 12 V - 230 V -U13- 30 F38 Fuse 38 on fuse holder C -SC38- 15 A3) 30 A Auxiliary heater control unit -J364- Fan enabling relay -J937- 30 F39 Fuse 39 on fuse holder C -SC39- 30 A Control unit for reducing-agent heater -J891- 56b F40 Fuse 40 on fuse holder C -SC40- 20 A Trailer detector control unit -J345- , (T12a/9) 30 F41 Fuse 41 on fuse holder C -SC41- 15 A Trailer detector control unit -J345- , (T12a/12) 30 F42 Fuse 42 on fuse holder C -SC42- 20 A Trailer detector control unit -J345- (T12a/11) 30 F43 Fuse 43 on fuse holder C -SC43- 10 A Converter box -J935- Heated rear window relay -J9- Dual tone horn relay -J4- Ignition/starter switch -D- 30 F44 Fuse 44 on fuse holder C -SC44- 30 A Heated rear window relay -J9- , (only AW1) Heated rear window -Z1- Onboard supply control unit -J519- , (T73b/67) (only AW0) Auxiliary heater operation relay 2 -J1026- 30 F45 Fuse 45 on fuse holder C -SC45- 30 A Driver door control unit -J386- Rear left door control unit -J388- 30 F46 Fuse 46 on fuse holder C -SC46- 30 A Rear left door control unit -J388- Rear right door control unit -J389- 30 F47 Fuse 47 on fuse holder C -SC47- 15 A5) 20 A5) Fuel pump control unit -J538- Fuel pump relay -J17- Cold start device relay -J41- 30 F48 Fuse 48 on fuse holder C -SC48- 20 A Onboard supply control unit -J519- , (T52b/42) (only AW1) Onboard supply control unit -J519- , (T73b/11) (only AW0) Onboard supply control unit -J519- , (T73b/13) (only AW0) 30 F49 Fuse 49 on fuse holder C -SC49- 40 A Auxiliary heater operation relay -J485- Climatronic control unit -J255- Air conditioning system control unit -J301- Heater control unit -J162- 30 F50 Fuse 50 on fuse holder C -SC50- 30 A Heated front seats control unit -J774- 30 F51 Fuse 51 on fuse holder C -SC51- 20 A Sliding sunroof adjustment control unit -J245- 30 F52 Fuse 52 on fuse holder C -SC52- 20 A Headlight washer system relay -J39- Headlight washer system pump -V11- 30 F53 Fuse 53 on fuse holder C -SC53- 30 A Onboard supply control unit -J519- , (T52b/1) (only AW1) Onboard supply control unit -J519- , (T73a/16), (only AW0) 30 F54 Not assigned -   - F55 Fuse 55 on fuse holder C -SC55- 15 A Two-way radio socket -U4- Diagnostic connection -U31- 30 F56 Fuse 56 on fuse holder C -SC56-3) 10 A Fan enabling relay -J937- 30 F57 Fuse 57 on fuse holder C -SC57- 20 A Radio -R- Control unit with display for radio and navigation -J503- 30 F58 Fuse 58 on fuse holder C -SC58-3) 20 A Onboard supply control unit -J519- , (T73a/63) (only AW0) 30 F59 Fuse 59 on fuse holder C -SC59-3) 20 A Onboard supply control unit -J519- , (T73b/68) (only AW0) 30 F60 Fuse 60 on fuse holder C -SC60-3) 20 A Left steering column switch -EX19- Right steering column switch -EX20- 30 1) Only models with headlight washer system 2) Only models with hybrid drive system 3) Only left-hand drive models 4) Only models with "High" equipment (AW1) 5) Depending on equipment Back to overview     VW JETTA 2017 Fuse assignment of fuse holder C -SC- , from July 2015 Slot Current flow diagram designation Nominal value Function/component Terminal F1 Fuse 1 on fuse holder C -SC1- 10 A Control unit for electronic steering column lock -J764- (T16v/2) 15 F2 Not assigned - - F3 Fuse 3 on fuse holder C -SC3- 10 A Control unit in dash panel insert -J285- , (T32/32) Headlight washer system relay -J39-1) 30/ 30 stabilised F4 Fuse 4 on fuse holder C -SC4- 5 A Telephone transmitter and receiver unit -R36- Navigation system interface -R94- Mobile telephone operating electronics control unit -J412- , (T54a/1) Magnetic field sender for compass -G197- , (T8ac/1) 30 30 stabilised F5 Not assigned - - F6 Fuse 6 on fuse holder C -SC6- 10 A Reversing camera -R189- 30 F7 Not assigned - - F8 Fuse 8 on fuse holder C -SC8- 10 A Washer pump -V5- , (only AW0) Onboard supply control unit -J519- , (T73b/61), (only AW0) 53c F9 Fuse 9 on fuse holder C -SC9- 5 A Airbag control unit -J234- Front passenger airbag deactivated warning lamp -K145- Seat occupied recognition control unit -J706- 15 F10 Fuse 10 on fuse holder C -SC10- 15 A Right steering column switch -EX20- , (T10ls/3), (only AW0) 15 F11 Fuse 11 on fuse holder C -SC11- 10 A Front left headlight -MX1- , (gas discharge headlight) 15 F12 Fuse 12 on fuse holder C -SC12- 10 A Front right headlight -MX2- , (gas discharge headlight) 15 F13 Fuse 13 on fuse holder C -SC13- 5 A Automatic anti-dazzle interior mirror -Y7- Light sensor -G399- Parking aid control unit -J446- Air quality sensor -G238- High-pressure sender -G65- Tyre Pressure Loss Indicator button -E492- Button for TCS and electronic stabilisation program -E256- Reversing light switch -F4- Start/Stop operation switch -E262- Control unit for air conditioning compressor -J842-2) Control unit for cornering light and headlight range control -J745- Traction control system switch -E132- Isolation relay for powertrain CAN bus -J788- Heater control unit -J162- Radio -R- Adaptive cruise control unit -J428- 15 F14 Fuse 14 on fuse holder C -SC14- 10 A Left steering column switch -EX19- , (T16ls/1), (only AW0) ABS control unit -J104- , T26/20 / T47/8) Airbag coil connector and return ring with slip ring -F138- , (T16k/14) Trailer detector control unit -J345- , (T12a/2) Voltage stabiliser -J532- DC/AC converter with socket, 12 V - 230 V -U13- , (T3wr/3) Control unit for vehicle location system -J895- Data bus diagnostic interface -J533- , (only AW1) Control unit in dash panel insert -J285- Data bus diagnostic interface -J533- Hybrid battery unit -AX1- (T14ax/7)2) Power and control electronics for electric drive -JX1- (T28jx/56) Power steering control unit -J500- Oil level and oil temperature sender -G266- 15 F15 Fuse 15 on fuse holder C -SC15- 15 A Diagnostic connection -U31- Switch and instrument illumination regulator -E20- Headlight range control regulator -E102- , (only AW1) Auxiliary heater operation relay -J485- , (T9st/1) Driver vanity mirror contact switch -F147- , (T3be/3) Light switch -E1- , (T10h/4) Front left headlight -MX1- Left headlight range control motor -V48- Front right headlight -MX2- Right headlight range control motor -V49- Onboard supply control unit -J519- (T73a/44) 15 F16 Fuse 16 on fuse holder C -SC16- 10 A Starter relay 1 -J906- , (T9c/1) Starter relay 2 -J907- , (T7a/1) Air mass meter -G70- , T3bg/2) Fuel pump control unit -J538- Engine control unit -J623- Button for extended electric drive mode -E709- Cold start device relay -J41- , (T9ks/1) 15 F17 Fuse 17 on fuse holder C -SC17- 10 A Control unit for structure-borne sound -J869- Blind Spot Monitor control unit 2 -J1087- Blind spot monitor control unit -J1086- 15 F18 Fuse 18 on fuse holder C -SC18-3) 10 A Left steering column switch -EX19- Right steering column switch -EX20- TFL F19 Not assigned -   - F20 Fuse 20 on fuse holder C -SC20- 10 A Remote control receiver for auxiliary coolant heater -R149- Rain and light sensor -G397- Heater control unit -J162- Diagnostic connection -U31- 30 F21 Fuse 21 on fuse holder C -SC21- 15 A Heated front seats control unit -J774- 30 F22 Fuse 22 on fuse holder C -SC22- 10 A4) 15 A3) Onboard supply control unit -J519- , (T52c/1) Alarm system relay 5, hazard warning lights -J464- Interior monitoring sensor -G273- Vehicle inclination sender -G384- Alarm horn -H12- 30 F23 Fuse 23 on fuse holder C -SC23- 10 A Onboard supply control unit -J519- , (T73b/39) (only AW0) Light switch -E1- , (only AW1) Ignition/starter switch -D- (AW0) Control unit for vehicle location system -J895- Selector lever sensors control unit -J587- Automatic gearbox control unit -J217- 30 F24 Fuse 24 on fuse holder C -SC24- 10 A Entry and start authorisation control unit -J518- 30 F25 Fuse 25 on fuse holder C -SC25- 10 A Mechatronic unit for dual clutch gearbox -J743- Selector lever sensors control unit -J587- Automatic gearbox control unit -J217- Multifunction switch -F125- 15 F26 Fuse 26 on fuse holder C -SC26- 20 A Vacuum pump for brakes -V192- 15 F27 Fuse 27 on fuse holder C -SC27-3) 1 A Airbag coil connector and return ring with slip ring -F138- , (T16k/1) 15 F28 Fuse 28 on fuse holder C -SC28- 10 A Left washer jet heater element -Z20- Right washer jet heater element -Z21- 75 F29 Fuse 29 on fuse holder C -SC29-3) 5 A Onboard supply control unit -J519- , (T73b/51) (only AW0) 75 F30 Fuse 30 on fuse holder C -SC30- 20 A Onboard supply control unit -J519- , (T52c/21) Cigarette lighter -U1- 12 V socket -U5- 12 V socket 2 -U18- Blocking diode -J29- 75 F31 Not assigned - - F32 Fuse 32 on fuse holder C -SC32-6) 15 A Magnetic clutch relay -J44- 75 F33 Fuse 33 on fuse holder C -SC33- 40 A Auxiliary heater operation relay -J485- Air conditioning system control unit -J301- 75 F34 Not assigned - 56 F35 Fuse 35 on fuse holder C -SC35- 10 A Steering column electronics control unit -J527- , (only AW1) Data bus diagnostic interface -J533- , (only AW1) Onboard supply control unit -J519- , (T73a/66) 30 F36 Fuse 36 on fuse holder C -SC36- 20 A Headlight washer system relay -J39- Onboard supply control unit -J519- , (T73a/73)(only AW0) 30 F37 Fuse 37 on fuse holder C -SC37- 30 A DC/AC converter with socket, 12 V - 230 V -U13- 30 F38 Fuse 38 on fuse holder C -SC38- 15 A3) 30 A Auxiliary heater control unit -J364- Fan enabling relay -J937- 30 F39 Fuse 39 on fuse holder C -SC39- 30 A Control unit for reducing-agent heater -J891- 56b F40 Fuse 40 on fuse holder C -SC40- 20 A Trailer detector control unit -J345- , (T12a/9) 30 F41 Fuse 41 on fuse holder C -SC41- 15 A Trailer detector control unit -J345- , (T12a/12) 30 F42 Fuse 42 on fuse holder C -SC42- 20 A Trailer detector control unit -J345- (T12a/11) 30 F43 Fuse 43 on fuse holder C -SC43- 10 A Converter box -J935- Heated rear window relay -J9- Dual tone horn relay -J4- Ignition/starter switch -D- 30 F44 Fuse 44 on fuse holder C -SC44- 30 A Heated rear window relay -J9- , (only AW1) Heated rear window -Z1- Onboard supply control unit -J519- , (T73b/67) (only AW0) Auxiliary heater operation relay 2 -J1026- 30 F45 Fuse 45 on fuse holder C -SC45- 30 A Driver door control unit -J386- Rear left door control unit -J388- 30 F46 Fuse 46 on fuse holder C -SC46- 30 A Rear left door control unit -J388- Rear right door control unit -J389- 30 F47 Fuse 47 on fuse holder C -SC47- 15 A5) 20 A5) Fuel pump control unit -J538- Fuel pump relay -J17- Cold start device relay -J41- 30 F48 Fuse 48 on fuse holder C -SC48- 20 A Onboard supply control unit -J519- , (T52b/42) (only AW1) Onboard supply control unit -J519- , (T73b/11) (only AW0) Onboard supply control unit -J519- , (T73b/13) (only AW0) 30 F49 Fuse 49 on fuse holder C -SC49- 40 A Auxiliary heater operation relay -J485- Climatronic control unit -J255- Air conditioning system control unit -J301- Heater control unit -J162- 30 F50 Fuse 50 on fuse holder C -SC50- 30 A Heated front seats control unit -J774- 30 F51 Fuse 51 on fuse holder C -SC51- 20 A Sliding sunroof adjustment control unit -J245- 30 F52 Fuse 52 on fuse holder C -SC52- 20 A Headlight washer system relay -J39- Headlight washer system pump -V11- 30 F53 Fuse 53 on fuse holder C -SC53- 30 A Onboard supply control unit -J519- , (T52b/1) (only AW1) Onboard supply control unit -J519- , (T73a/16), (only AW0) 30 F54 Not assigned -   - F55 Fuse 55 on fuse holder C -SC55- 15 A Two-way radio socket -U4- Diagnostic connection -U31- 30 F56 Fuse 56 on fuse holder C -SC56-3) 10 A Fan enabling relay -J937- 30 F57 Fuse 57 on fuse holder C -SC57- 20 A Radio -R- Control unit with display for radio and navigation -J503- 30 F58 Fuse 58 on fuse holder C -SC58-3) 20 A Onboard supply control unit -J519- , (T73a/63) (only AW0) 30 F59 Fuse 59 on fuse holder C -SC59-3) 20 A Onboard supply control unit -J519- , (T73b/68) (only AW0) 30 F60 Fuse 60 on fuse holder C -SC60-3) 20 A Left steering column switch -EX19- Right steering column switch -EX20- 30 1) Only models with headlight washer system 2) Only models with hybrid drive system 3) Only left-hand drive models 4) Only models with "High" equipment (AW1) 5) Depending on equipment 6) Only models with "Low" equipment (AW0) Back to overview     VW JETTA 2017 Fitting location of front passenger seat adjustment thermal fuse 1 -S44- , from July 2014 https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Obțineți acces la toate schemele de cablare auto 1 -  Relay and fuse carrier F1 -  Driver seat adjustment thermal fuse 1 -S44- F2 -  Not assigned Back to overview     VW JETTA 2017 Fuse assignment, front passenger seat adjustment thermal fuse 1 -S44- , from July 2014 Slot Current flow diagram designation Nominal value Function/component Terminal F1 Driver seat adjustment thermal fuse 1 -S44- 20 A Seat longitudinal adjustment button -E418- 30 F2 Not assigned     Back to overview VW JETTA 2017 Fitting location of fuses in fuse holder S Fitting location of fuses in fuse holder -S- Only for models with high-voltage system (hybrid). In luggage compartment behind left-hand luggage compartment side panel, near wheel housing Specified torque settings → Repair Group  97     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Obțineți acces la toate schemele de cablare auto 1 -  Fuse 1 (30), in battery fuse holder -S162- 2 -  Fuse 2 (30), in battery fuse holder -S163- Back to overview     VW JETTA 2017 Fuse assignment, fuses in fuse holder -S- , hybrid from September 2014 Slot Current flow diagram designation Nominal value Function/component Terminal F1 Fuse 1 (30), in battery fuse holder -S162- 175 A 508 Threaded connection (30), on E-box t  Supply for fuse holder A -SA- 30 F2 Fuse 2 (30), in battery fuse holder -S163- 80 A Supply for fuse holder C -SC- 30 Back to overview VW JETTA 2017 Overview of control units in middle part of vehicle

Overview of control units in middle part of vehicle

The architecture of the electrical equipment in the Jetta can be recognised from the assignment of the relay slots in the E-box.

   

Features of vehicle electrical equipment architecture

Components	Equipment low (AW0)	Equipment high (AW1)
Relay slots R1 and R2 occupied		X
Onboard supply control unit -J519- with 73-pin connector -T73a- and -T73b-	X
Onboard supply control unit -J519- with 52-pin connector -T52a- , -T52b- and -T52c-		X
Data bus diagnostic interface -J533- integrated into onboard supply control unit -J519-	X
Data bus diagnostic interface -J533-		X
Steering column electronics control unit -J527-		X
Left steering column switch -EX19-	X
Right steering column switch -EX20-	X
Converter box -J935-	X

q	Fitting location, AW1

Control unit for reducing agent metering system -J880- /control unit for reducing-agent heater -J891-

q	Fitting location

Control module with display for radio and navigation system -J503- /radio -R-

q	Fitting location

Heater control unit -J162- /heater control unit -J65-

q	Fitting location

q	Fitting location, AW1

q	Fitting location, on glove compartment

q	Fitting location, AW1

q	Fitting location, AW1

q	Fitting location, AW1

q	Fitting location, 75-pin connector

q	Fitting location, 100-pin connector

Airbag control unit -J234- Airbag control unit -J234- , 50-pin connector Fitting location On centre tunnel.

1 -	Airbag control unit -J234-

A -	50-pin connector -T50-

Back to overview Airbag control unit -J234- , 75-pin connector Fitting location On centre tunnel.

1 -	Airbag control unit -J234-

A -	75-pin connector -T75-

Back to overview Airbag control unit -J234- , 100-pin connector Fitting location On centre tunnel.

1 -	Airbag control unit -J234-

A -	100-pin connector -T100-

Back to overview Sliding sunroof adjustment control unit -J245- Fitting location In roof at front.

1 -	Sliding sunroof adjustment control unit -J245-

A -	10-pin connector -T10e-

Connector assignment, sliding sunroof adjustment control unit -J245-

-T10e--A-	Designation		-T10e--A-	Designation
1	LIN		6
2	Button 1 for tilting roof -E582-		7	Button 1 for tilting roof -E582-
3	Button 1 for tilting roof -E582-		8
4	Button 1 for tilting roof -E582-		9	Terminal 31
5			10	Terminal 30

Back to overview VW JETTA 2017 Control unit in dash panel insert J285 Control unit in dash panel insert -J285- Fitting location in the dash panel.

1 -	Control unit in dash panel insert -J285-

A -	32-pin connector -T32-

Connector assignment, control unit in dash panel insert -J285-

-T32--A-	Designation		-T32--A-	Designation		-T32--A-	Designation
1	Fuel pump control unit -J538- / fuel delivery unit -GX1-		12			23	Left steering column switch -EX19- / right steering column switch -EX20-
2	Fuel pump control unit -J538- / fuel delivery unit -GX1-		13			24
3			14			25	Handbrake warning switch -F9-
4			15	B269 - Connection 2 (brake pad wear indicator), in interior wiring harness		26	Brake fluid level warning contact -F34-
5			16	Terminal 31		27	Oil pressure switch -F1-
6			17	Windscreen washer fluid level sender -G33-		28	B750 - Connection 1 (CAN bus, displays and controls, high)
7	Immobiliser reader coil -D2-		18	Coolant shortage indicator sender -G32-		29	B751 - Connection 1 (CAN bus, displays and controls, low)
8	Immobiliser reader coil -D2-		19	Ambient temperature sensor -G17-		30
9			20	B453 - Connection 1 (sensor), in main wiring harness		31	Control unit for vehicle location system -J895- / A20 - Positive connection (15a), in dash panel wiring harness
10			21	Left steering column switch -EX19- / right steering column switch -EX20-		32	Terminal 30
11	Oil level and oil temperature sender -G266-		22	Left steering column switch -EX19- / right steering column switch -EX20-

Back to overview VW JETTA 2017 Data bus diagnostic interface J533 Data bus diagnostic interface -J533- Fitting location below the dash panel.

1 -	Data bus diagnostic interface -J533-

A -	20-pin connector -T20-

Connector assignment, data bus diagnostic interface -J533-

-T20--A-	Designation		-T20--A-	Designation
1	B236 - Positive connection 6 (30a), in interior wiring harness		11	277 - Earth connection 3, in interior wiring harness
2	B577 - LIN bus connection, in roof wiring harness		12	Diagnostic connection -U31- / D218 - Connection 1 (LIN bus) in engine compartment wiring harness
3			13
4			14	A20 - Positive connection (15a), in dash panel wiring harness
5	B406 - Connection 1 (convenience CAN bus, low), in main wiring harness		15	B397 - Connection 1 (convenience CAN bus, high), in main wiring harness
6	B390 - Connection 1 (powertrain CAN bus, low), in main wiring harness		16	B383 - Connection 1 (powertrain CAN bus, high), in main wiring harness
7	B109 - Connection 1 (CAN bus extended, low), in main wiring harness		17	B108 - Connection 1 (CAN bus extended, high), in main wiring harness
8	B751 - Connection 1 (CAN bus, displays and controls, low)		18	B750 - Connection 1 (CAN bus, displays and controls, high)
9	B714 - Connection 1 (diagnostic CAN bus, low), in main wiring harness		19	B713 - Connection 1 (diagnostic CAN bus, high), in main wiring harness
10	B421 - Connection 1 (infotainment CAN bus, low), in main wiring harness		20	B415 - Connection 1 (infotainment CAN bus, high), in main wiring harness

Back to overview VW JETTA 2017 Fresh air blower control unit J126 Fresh air blower control unit -J126- Fitting location Under dash panel, front passenger side

1 -	Fresh air blower control unit -J126-

A -	2-pin connector -T2v-

B -	6-pin connector -T6t-

Connector assignment, fresh air blower control unit -J126-

-T2v--A-	Designation		-T6t--B-	Designation
1	Heater control unit -J162- /fresh air blower control unit -J126-		1	Climatronic control unit -J255- /air conditioning system control unit -J301-
2	Terminal 31		2	Climatronic control unit -J255- /air conditioning system control unit -J301-
			3	Terminal 31
			4	Terminal 30
			5
			6

Back to overview VW JETTA 2017 Control unit for reducing agent metering system -J880- /control unit for reducing-agent heater -J891- Fitting location Under front passenger seat.

1 -	Control unit for reducing agent metering system -J880-

1 -	Control unit for reducing-agent heater -J891-

A -	5-pin connector -T5ax-

B -	4-pin connector -T4at-

Connector assignment of control unit for reducing agent metering system -J880- and control unit for reducing-agent heater -J891-

-T5ax--A-	Designation		-T4at--B-	Designation
1	Heater for reducing-agent line (heater circuit 2) -Z104-		1	Engine control unit -J623-
2			2	Engine control unit -J623-
3	Terminal 30		3	Engine control unit -J623-
4	Delivery unit for reducing agent metering system -GX19-		4
5	Terminal 30

Back to overview VW JETTA 2017 Multifunction steering wheel control unit J453 Multifunction steering wheel control unit -J453- Fitting location in multifunction steering wheel

1 -	Multifunction steering wheel control unit -J453-

A -	5-pin connector -T5n-

B -	12-pin connector -T12n-

Connector assignment of multifunction steering wheel control unit -J453-

-T5n--A-	Designation		-T12n--B-	Designation
1	Terminal 31		1
2	Terminal 30		2
3	LIN bus		3	Driver side airbag igniter -N95- , +
4			4	Driver side airbag igniter -N95- , -
5			5
			6
			7	Terminal 31
			8	Horn plate -H-
			9	LIN bus
			10	Terminal 30
			11
			12

Back to overview VW JETTA 2017 Heated front seats control unit J774 Heated front seats control unit -J774- Fitting location Under driver seat.

1 -	Heated front seats control unit -J774-

A -	8-pin connector -T8z-

Connector assignment of heated front seats control unit -J774-

-T8z--A-	Designation
1	Heated seat cushion for front passenger seat -Z8-
2	Onboard supply control unit -J519-
3	Terminal 30
4	Heater control unit -J162- /air conditioning system control unit -J301- /Climatronic control unit -J255-
5	Heated driver seat -Z6-
6	Terminal 30
7	Terminal 31
8	Driver seat temperature sensor -G59- Heater control unit -J162- /air conditioning system control unit -J301- /Climatronic control unit -J255-

Back to overview VW JETTA 2017 Steering column electronics control unit J527 Steering column electronics control unit -J527- Fitting location On steering column.

1 -	Steering column electronics control unit -J527-

A -	16-pin connector -T16l-

B -	4-pin connector -T4k-

Connector assignment of steering column electronics control unit -J527-

-T16l--A-	Designation		-T16l--A-	Designation		-T4k--B-	Designation
1	Terminal 30		9			1	Airbag control unit -J234-
2	Terminal 31		10			2	Airbag control unit -J234-
3	Convenience CAN, low		11	Control unit for cornering light and headlight range control -J745- Ignition/starter switch -D-		3
4	Convenience CAN, high		12	Powertrain CAN, low		4
5			13	Powertrain CAN, high
6	Terminal 50		14	Onboard supply control unit -J519-
7	Radio -R-		15
8			16

1) Depending on equipment

Back to overview VW JETTA 2017 Control unit for electronic steering column lock J764 Control unit for electronic steering column lock -J764- Fitting location On steering column.

1 -	Control unit for electronic steering column lock -J764-

A -	16-pin connector -T16v-

Connector assignment of control unit for electronic steering column lock -J764-

-T16v--A-	Designation		-T16v--A-	Designation
1			9
2	Terminal 30		10	249 - Earth connection 2, in interior wiring harness
3	Starter relay 2 -J907-		11
4	Starter button -E378-		12	B239 - Positive connection 1 (50), in interior wiring harness/ converter box -J935- / D210 - Connection (50), in engine compartment wiring harness
5			13	Starter button -E378-
6	Converter box -J935-		14	U3 - Connection 1, in automatic gearbox wiring harness
7	Onboard supply control unit -J519-		15	B406 - Connection 1 (convenience CAN bus, low), in main wiring harness
8	A219 - Connection (S contact), in main wiring harness/ converter box -J935-		16	B397 - Connection 1 (convenience CAN bus, high), in main wiring harness

Back to overview VW JETTA 2017 Amplifier R12 Amplifier -R12- Fitting location Under driver seat.

1 -	Amplifier -R12-

A -	38-pin connector -T38-

Connector assignment of amplifier -R12-

-T38--A-	Designation		-T38--A-	Designation		-T38--A-	Designation
1	Terminal 31		14	Front left mid-range loudspeaker -R103-		27	Radio -R- /control unit with display for radio and navigation -J503-
2	Terminal 30		15	Front right bass loudspeaker -R23-		28	Radio -R- /control unit with display for radio and navigation -J503-
3	Front right bass loudspeaker -R23-		16	Subwoofer -R211-		29	Radio -R- /control unit with display for radio and navigation -J503-
4	Subwoofer -R211-		17	Subwoofer -R211-		30	Radio -R- /control unit with display for radio and navigation -J503-
5	Subwoofer -R211-		18	Front left bass loudspeaker -R21-		31	CAN high
6	Front left bass loudspeaker -R21-		19	Front right treble loudspeaker -R22-		32
7	Front right treble loudspeaker -R22-		20	Front left treble loudspeaker -R20-		33
8	Front left treble loudspeaker -R20-		21	Rear left bass loudspeaker -R15-		34
9	Rear left bass loudspeaker -R15-		22	Rear right bass loudspeaker -R17-		35	Radio -R- /control unit with display for radio and navigation -J503-
10	Rear right bass loudspeaker -R17-		23	CAN low		36	Radio -R- /control unit with display for radio and navigation -J503-
11	Front right mid-range loudspeaker -R104-		24			37	Radio -R- /control unit with display for radio and navigation -J503-
12	Front right mid-range loudspeaker -R104-		25			38	Radio -R- /control unit with display for radio and navigation -J503-
13	Front left mid-range loudspeaker -R103-		26

Back to overview VW JETTA 2017 Telephone transmitter and receiver unit R36 Telephone transmitter and receiver unit -R36- Fitting location Under front passenger seat.

1 -	Telephone transmitter and receiver unit -R36-

A -	54-pin connector -T54-

B -	Single connector -T1aa-

q	Aerial connection

Connector assignment of telephone transmitter and receiver unit -R36-

-T54--A-	Designation		-T54--A-	Designation		-T54--A-	Designation
1	Terminal 30		19			37
2	Terminal 31		20			38	Telephone bracket -R126-
3			21			39	Terminal 31
4	Radio -R- /control unit with display for radio and navigation -J503-		22			40	Telephone bracket -R126-
5	Radio -R- /control unit with display for radio and navigation -J503-		23			41
6			24			42
7			25			43
8	Radio -R- /control unit with display for radio and navigation -J503-		26			44
9	Radio -R- /control unit with display for radio and navigation -J503-		27			45
10			28			46
11	Telephone microphone -R38-Radio -R- /control unit with display for radio and navigation -J503-1)		29			47	Telephone bracket -R126-
12	Telephone microphone -R38-Radio -R- /control unit with display for radio and navigation -J503-1)		30	Interior monitoring deactivation switch -E267-		48	Telephone bracket -R126-
13			31	Interior monitoring deactivation switch -E267-		49
14			32			50
15			33			51
16			34			52
17	CAN high		35			53
18	CAN low		36			54

1) According to equipment

Back to overview VW JETTA 2017 Multimedia system control unit J650 Multimedia system control unit -J650- Multimedia system control unit -J650- , in front centre armrest Fitting location In the front centre armrest

1 -	Multimedia system control unit -J650-

A -	12-pin connector -T12h-

Connector assignment of multimedia system control unit -J650- . Back to overview Multimedia system control unit -J650- , on glove compartment Fitting location On glove compartment

1 -	Multimedia system control unit -J650-

A -	12-pin connector -T12h-

Connector assignment of multimedia system control unit -J650-

-T12h--A-	Designation		-T12h--A-	Designation
1	Terminal 31		7	Terminal 30
2	CAN low		8	CAN high
3			9	Radio -R- /control unit with display for radio and navigation -J503-
4	Radio -R- /control unit with display for radio and navigation -J503-		10	Radio -R- /control unit with display for radio and navigation -J503-
5	Connection for external audio sources -R199-		11	Connection for external audio sources -R199-
6	Connection for external audio sources -R199-		12	Shielding

Back to overview VW JETTA 2017 Mobile telephone operating electronics control unit J412 Mobile telephone operating electronics control unit -J412- Mobile telephone operating electronics control unit -J412- , in front centre armrest Fitting location In the front centre armrest

1 -	Mobile telephone operating electronics control unit -J412-

A -	54-pin connector -T54a-

Connector assignment of mobile telephone operating electronics control unit -J412- . Back to overview Mobile telephone operating electronics control unit -J412- , on glove compartment Fitting location On glove compartment

1 -	Mobile telephone operating electronics control unit -J412-

A -	54-pin connector -T54a-

Connector assignment of mobile telephone operating electronics control unit -J412-

-T54a--A-	Designation		-T54a--A-	Designation		-T54a--A-	Designation
1	Terminal 30		19			37
2	Terminal 31		20			38	Telephone bracket -R126-
3			21			39
4	Radio -R- /control unit with display for radio and navigation -J503-		22	Radio -R- /control unit with display for radio and navigation -J503-		40	Telephone bracket -R126-
5	Radio -R- /control unit with display for radio and navigation -J503-		23	Radio -R- /control unit with display for radio and navigation -J503-		41
6	Navigation system interface -R94-1)		24	Radio -R- /control unit with display for radio and navigation -J503-		42
7	Navigation system interface -R94-1)		25			43
8	Radio -R- /control unit with display for radio and navigation -J503-		26			44
9	Radio -R- /control unit with display for radio and navigation -J503-		27			45
10			28			46
11	Radio -R- /control unit with display for radio and navigation -J503- Telephone microphone -R38- Navigation system interface -R94-		29			47	Telephone bracket -R126-
12	Telephone microphone -R38- Navigation system interface -R94-1)Radio -R- /control unit with display for radio and navigation -J503-		30	Emergency assistance call button -E276-		48	Telephone bracket -R126-
13			31	Emergency assistance call button -E276-		49
14			32			50
15			33	Connection for external audio sources -R199-		51
16			34	Connection for external audio sources -R199-		52
17	CAN high		35	Connection for external audio sources -R199-		53
18	CAN low		36			54

1) Only when fitted under centre armrest, front

Back to overview VW JETTA 2017 Control unit for cornering light and headlight range control J745 Control unit for cornering light and headlight range control -J745- Fitting location in the dash panel.

1 -	Control unit for cornering light and headlight range control -J745-

A -	26-pin connector -T26b-

Connector assignment of control unit for cornering light and headlight range control -J745-

-T26b--A-	Designation		-T26b--A-	Designation
1			14
2	B383 - Connection 1 (powertrain CAN bus, high), in main wiring harness		15
3	B390 - Connection 1 (powertrain CAN bus, low), in main wiring harness		16
4	C67 - Connection (CAN bus, high), in headlight wiring harness		17
5	C68 - Connection (CAN bus, low), in headlight wiring harness		18
6			19
7	Rear left vehicle level sender -G76-		20
8			21
9			22
10	Rear left vehicle level sender -G76-		23	Terminal 15
11	Rear left vehicle level sender -G76-		24	Terminal 31
12			25
13			26

Back to overview

VW JETTA 2017

Control module with display for radio and navigation system -J503- /radio -R-

Multiway connector housing D (chambers: 9-16), made up of connectors E, F, G and H.

1 -	Control module with display for radio and navigation system -J503- /radio -R-

A -	2-pin connector

q	Satellite aerial -R170-

B -	Not assigned

C -	4-pin connector

q	Aerial -R11-

q	Radio aerial 2 -R93-

D -	26-pin connector -T26a-

E -	2-pin connector

q	GPS aerial -R50-

F -	16-pin connector -T16d-

G -	12-pin connector -T12f-

H -	12-pin connector -T12e-

I -	16-pin connector -T16d-

J -	8-pin connector -T8g-

Back to overview VW JETTA 2017 Voltage stabilizer J532 Voltage stabilizer -J532- Fitting location below the dash panel.

1 -	Voltage stabilizer -J532-

A -	12-pin connector -T12d-

Connector assignment of voltage stabiliser -J532-

-T12d--A-	Designation		-T12d--A-	Designation
1	Terminal 30		7	B246 - Positive connection (30a, stabilised), in interior wiring harness
2	Terminal 31		8
3	Terminal 15		9
4	B660 - Connection (diagnosis terminal 50), in main wiring harness		10
5			11
6			12

Back to overview VW JETTA 2017 Parking aid control unit J446 Parking aid control unit -J446- Fitting location, left-hand drive below the dash panel. Fitting location, right-hand drive On relay carrier under dash panel, driver side

1 -	Parking aid control unit -J446-

A -	26-pin connector -T26d-

B -	18-pin connector -T18f-

Connector assignment of parking aid control unit -J446-

-T26d--A-	Designation		-T26d--A-	Designation		-T18f--B-	Designation
1			19			1
2	Front parking aid warning buzzer -H22-		20	Rear centre left parking aid sender -G204-		2
3			21	Rear right parking aid sender -G206-		3	Front centre left parking aid sender -G254-
4			22	352 - Earth connection (parking aid), in rear bumper wiring harness		4	Front right parking aid sender -G252-
5			23	B390 - Connection 1 (powertrain CAN bus, low), in main wiring harness		5
6	Rear left parking aid sender -G203-		24	B383 - Connection 1 (powertrain CAN bus, high), in main wiring harness		6
7	Rear centre right parking aid sender -G205-		25			7
8			26			8
9	Rear parking aid warning buzzer -H15-					9
10	Front parking aid warning buzzer -H22-					10	348 - Earth connection (parking aid), in front bumper wiring harness
11						11	Front left parking aid sender -G255-
12						12	Front centre right parking aid sender -G253-
13	Terminal 31					13	X65 - Connection (parking aid), in front bumper wiring harness
14	Terminal 15					14
15	Rear parking aid warning buzzer -H15-					15
16	Parking aid button -E266-					16
17	Parking aid button -E266-					17
18	X68 - Positive connection (parking aid), in rear bumper wiring harness					18

Back to overview VW JETTA 2017 Heater and air conditioning system control unit Heater and air conditioning system control unit Heater control unit -J65- /-J162- Fitting location in the dash panel.

1 -	Heater control unit -J65-

1 -	Heater control unit -J162-

A -	20-pin connector -T20c-

B -	5-pin connector -T5-

Connector assignment of heater control unit -J65- /heater control unit -J162-

-T20c--A-	Designation		-T20c--A-	Designation		-T5--B-	Designation
1	Engine control unit -J623-		11	Heated front seats control unit -J774-		1	Fresh air blower series resistor with overheating fuse -N24-
2	Engine control unit -J623-		12	5-pin connector -T5-		2	Fresh air blower series resistor with overheating fuse -N24-
3	Fresh air and air recirculation flap control motor -V154-		13			3	Fresh air blower series resistor with overheating fuse -N24-
4	5-pin connector -T5-		14	Auxiliary heater control unit -J364-		4	Fresh air blower series resistor with overheating fuse -N24- /fresh air blower -V2-
5	Auxiliary heater control unit -J364-		15	B431 - Connection (seat heating), in main wiring harness		5	Terminal 75/auxiliary heater operation relay -J485-
6	Fresh air and air recirculation flap control motor -V154-		16
7	Engine control unit -J623-		17	5-pin connector -T5-
8	Onboard supply control unit -J519-		18	Terminal 30
9			19	Terminal 15
10	D99 - Connection (coolant temperature), in engine compartment wiring harness		20	Terminal 31

Back to overview Climatronic control unit -J255- Fitting location in the dash panel.

1 -	Climatronic control unit -J255-

A -	16-pin connector -T16-

B -	16-pin connector -T16g-

C -	20-pin connector -T20c-

Connector assignment, Climatronic control unit -J255-

-T16--A-	Designation		-T16g--B-	Designation		-T20c--C-	Designation
1	Left temperature flap control motor -V158-		1	Fresh air/air recirculation, air flow flap control motor -V425- /centre flap control motor -V70- /defroster flap control motor -V107- /left temperature flap control motor -V158- /right temperature flap control motor -V159-		1	Sunlight penetration photosensor -G107- /sunlight penetration photosensor 2 -G134-
2	Left temperature flap control motor -V158-		2	Left temperature flap control motor -V158-		2	High-pressure sender -G65-
3	Defroster flap control motor -V107-		3	Right temperature flap control motor -V159-		3	Sunlight penetration photosensor -G107- /sunlight penetration photosensor 2 -G134-
4	Defroster flap control motor -V107-		4	Defroster flap control motor -V107-		4	Air quality sensor -G238-
5	Centre flap control motor -V70-		5	Centre flap control motor -V70-		5	B397 - Connection 1 (convenience CAN bus, high), in main wiring harness
6	Centre flap control motor -V70-		6			6	B406 - Connection 1 (convenience CAN bus, low), in main wiring harness
7			7	Fresh air/air recirculation, air flow flap control motor -V425-		7
8			8	Left footwell vent temperature sender -G261-		8
9	Fresh air/air recirculation, air flow flap control motor -V425-		9	Right footwell vent temperature sender -G262-		9	Sunlight penetration photosensor -G107- /sunlight penetration photosensor 2 -G134-
10	Fresh air/air recirculation, air flow flap control motor -V425-		10			10	Heated front seats control unit -J774-
11	Right temperature flap control motor -V159-		11	Evaporator temperature sensor -G308-		11	Heated front seats control unit -J774-
12	Right temperature flap control motor -V159-		12			12
13			13			13	Left vent temperature sender -G150-
14			14	Fresh air/air recirculation, air flow flap control motor -V425- /centre flap control motor -V70- /defroster flap control motor -V107- /left temperature flap control motor -V158- /right temperature flap control motor -V159- /right footwell vent temperature sender -G262- /left footwell vent temperature sender -G261- /evaporator temperature sensor -G308-		14	Right vent temperature sender -G151-
15	Fresh air blower control unit -J126-		15			15
16	Fresh air blower control unit -J126-		16			16	LIN
						17	Sunlight penetration photosensor -G107- /sunlight penetration photosensor 2 -G134- /left vent temperature sender -G150- /right vent temperature sender -G151-
						18	Air conditioner compressor regulating valve -N280-
						19	Terminal 31
						20	Terminal 15

Back to overview Air conditioning system control unit -J301- Fitting location in the dash panel.

1 -	Air conditioning system control unit -J301-

A -	20-pin connector -T20c-

B -	16-pin connector -T16e-

C -	5-pin connector -T5-

Connector assignment of air conditioning system control unit -J301-

-T20c--A-	Designation		-T16e--B-	Designation		-T5--C-	Designation
1			1	Temperature flap control motor -V68-1)		1	Fresh air blower series resistor with overheating fuse -N24-
2			2	Evaporator output temperature sender -G263-		2	Fresh air blower series resistor with overheating fuse -N24- /auxiliary heater operation relay 2 -J1026-
3			3	Air distribution flap control motor -V428-1)		3	Fresh air blower series resistor with overheating fuse -N24-
4			4			4	Fresh air blower -V2- /fresh air blower series resistor with overheating fuse -N24-
5	High-pressure sender -G65-		5	Temperature flap control motor -V68-1)		5	Terminal 75/auxiliary heater operation relay -J485-
6			6
7	B406 - Connection 1 (convenience CAN bus, low), in main wiring harness		7	Temperature flap control motor -V68-1) /air distribution flap control motor -V428-1)
8	B397 - Connection 1 (convenience CAN bus, high), in main wiring harness		8	Evaporator output temperature sender -G263- /temperature flap control motor -V68-1) /air distribution flap control motor -V428-1)
9			9	Air recirculation flap control motor -V113-
10			10	Air recirculation flap control motor -V113-
11			11	Temperature flap control motor -V68-1)
12	Heated front seats control unit -J774-		12	Air distribution flap control motor -V428-1)
13	Heated front seats control unit -J774-		13	Air distribution flap control motor -V428-1)
14			14
15			15
16	Air conditioner compressor regulating valve -N280-		16
17
18
19	Terminal 30
20	Terminal 31

1) Only for air conditioning systems with electric control flaps

Back to overview Driver door control unit -J386- Driver door control unit -J386- , AW0 Fitting location Behind door trim.

1 -	Driver door control unit -J386-

q

AW0

A -	16-pin connector -T16a-

Connector assignment, driver door control unit -J386-

-T16a--A-	Designation		-T16a--A-	Designation
1			9
2	Rear right window regulator switch, in driver door -E55-		10	Rear left window regulator switch, in driver door -E53-
3	Warning light for activated childproof lock -K236-		11	Childproof lock button -E318-
4	Front right window regulator switch in driver door -E81-		12	Fold-in mirror switch -E263-
5	Lin		13
6	Front left window regulator switch -E40-		14
7	Output for switch earth		15
8	Terminal 31		16	Terminal 30

Back to overview Driver door control unit -J386- , AW1 Fitting location Behind door trim.

1 -	Driver door control unit -J386-

q

AW1

A -	32-pin connector -T32a-

B -	16-pin connector -T16a-

C -	20-pin connector -T20a-

Connector assignment, driver door control unit -J386-

-T32a--A-	Designation		-T16a--B-	Designation		-T20a--C-	Designation
1	Driver side interior locking button for central locking system -E308-		1			1
2	Central locking SAFELOCK function warning lamp -K133-		2			2	Driver door central locking SAFELOCK function motor -V161-
3	Warning light for activated childproof lock -K236-		3			3	Driver door central locking motor -V56- /driver door central locking SAFELOCK function motor -V161-
4			4	Driver side mirror adjustment motor -V149-		4
5			5	Driver side exterior mirror -VX4-		5
6	Fold-in mirror switch -E263- /mirror adjustment changeover switch -E48-		6			6	Output for switch earth
7	Rear right window regulator switch, in driver door -E55-		7	Heated exterior mirror on driver side -Z4-		7	Driver door contact switch -F2-
8	Mirror adjustment switch -E43-		8			8	CAN high
9			9			9	CAN low
10			10			10
11			11	Heated exterior mirror on driver side -Z4- /driver side turn signal repeater bulb -L131-		11
12			12	Driver side mirror adjustment motor -V17-		12	Driver door central locking motor -V56- /driver door central locking SAFELOCK function motor -V161-
13			13	Driver side turn signal repeater bulb -L131-		13	Driver door central locking motor -V56-
14	Childproof lock button -E318-		14	Driver side fold-in mirror motor -V121-		14
15	Front right window regulator switch in driver door -E81-		15	Driver side fold-in mirror motor -V121-		15	Lin
16			16			16	Driver side central locking lock unit -F220-
17						17
18						18	Terminal 30
19						19	Terminal 31
20						20	Terminal 30
21	Output for switch earth
22
23	Rear left window regulator switch, in driver door -E53-
24	R75 - Connection (58d), 1 in door control unit wiring harness
25	R75 - Connection (58d), 1 in door control unit wiring harness
26
27
28	Exterior mirror heater button -E231-
29
30	Rear lid remote release button -E233-
31	Front left window regulator switch -E40-
32	Driver side interior locking button for central locking system -E308-

Back to overview Front passenger door control unit -J387- Front passenger door control unit -J387- , AW0 Fitting location Behind door trim.

1 -	Front passenger door control unit -J387-

q

AW0

A -	16-pin connector -T16b-

Connector assignment, front passenger door control unit -J387-

-T16b--A-	Designation		-T16b--A-	Designation
1			9
2			10
3			11
4			12
5	Lin		13
6	Window regulator switch in front passenger door -E107-		14
7	Output for switch earth		15
8	Terminal 31		16	Terminal 30

Back to overview Front passenger door control unit -J387- , AW1 Fitting location Behind door trim.

1 -	Front passenger door control unit -J387-

q

AW1

A -	32-pin connector -T32b-

B -	16-pin connector -T16b-

C -	20-pin connector -T20b-

Connector assignment, front passenger door control unit -J387-

-T32b--A-	Designation		-T16b--B-	Designation		-T20b--C-	Designation
1	Front passenger side interior locking button for central locking system -E309-		1			1
2			2			2	Front passenger door central locking SAFELOCK function motor -V162-
3			3			3	Front passenger side central locking lock unit -F221-
4			4	Front passenger side mirror adjustment motor -V150-		4
5			5	Front passenger side exterior mirror -VX5-		5
6			6			6	Output for switch earth
7			7	Heated exterior mirror on front passenger side -Z5-		7	Front passenger door contact switch -F3-
8			8			8	CAN high
9			9			9	CAN low
10			10			10
11			11	Heated exterior mirror on front passenger side -Z5- /front passenger side turn signal repeater bulb -L132-		11
12			12	Front passenger side mirror adjustment motor -V25-		12
13			13	Front passenger side turn signal repeater bulb -L132-		13	Front passenger door central locking motor -V57-
14			14	Front passenger side fold-in mirror motor -V122-		14
15	Window regulator switch in front passenger door -E107-		15	Front passenger side fold-in mirror motor -V122-		15	Lin
16			16			16
17						17
18						18	Terminal 30
19						19	Terminal 31
20						20	Terminal 30
21	Output for switch earth
22
23
24	Front passenger side interior locking button for central locking system -E309-
25	Window regulator switch in front passenger door -E107-
26
27
28
29
30
31
32	Front passenger side interior locking button for central locking system -E309-

Back to overview Rear left door control unit -J388- Rear left door control unit -J388- , AW0 Fitting location Behind door trim.

1 -	Rear left door control unit -J388-

q

AW0

A -	16-pin connector -T16h-

Pin assignment of rear left door control unit -J388-

-T16h--A-	Designation		-T16h--A-	Designation
1			9
2			10
3			11
4			12
5	Lin		13
6	Rear left window regulator switch, in door -E52-		14
7	Output for switch earth		15
8	Terminal 31		16	Terminal 30

Back to overview Rear left door control unit -J388- , AW1 Fitting location Behind door trim.

1 -	Rear left door control unit -J388-

q

AW1

A -	18-pin connector -T18a-

Pin assignment of rear left door control unit -J388-

-T18a--A-	Designation		-T18a--A-	Designation
1	Terminal 31		10	Terminal 30
2	Rear left window regulator switch, in door -E52-		11	Terminal 30
3	Rear left central locking lock unit -F222-		12	Lin
4			13
5	Rear left door central locking motor, lock -V214-		14
6	Rear left central locking lock unit -F222-		15	Rear left central locking lock unit -F222-
7	Rear left door contact switch -F10-		16	Rear left window regulator switch, in door -E52-
8	Rear central switch for interior locking -E286-		17	Rear central switch for interior locking -E286-
9	Terminal 31		18	Rear left window regulator switch, in door -E52-

Back to overview Rear right door control unit -J389- Rear right door control unit -J389- , AW0 Fitting location Behind door trim.

1 -	Rear right door control unit -J389-

q

AW0

A -	16-pin connector -T16i-

Pin assignment of rear right door control unit -J389-

-T16i--A-	Designation		-T16i--A-	Designation
1			9
2			10
3			11
4			12
5	Lin		13
6	Rear right window regulator switch, in door -E54-		14
7	Output for switch earth		15
8	Terminal 31		16	Terminal 30

Back to overview Rear right door control unit -J389- , AW1 Fitting location Behind door trim.

1 -	Rear right door control unit -J389-

q

AW1

A -	18-pin connector -T18b-

Pin assignment of rear right door control unit -J389-

-T18b--A-	Designation		-T18b--A-	Designation
1	Terminal 31		10	Terminal 30
2	Rear right window regulator switch, in door -E54-		11	Terminal 30
3	Rear right central locking lock unit -F223-		12	Lin
4			13
5	Rear right door central locking motor, lock -V215-		14
6	Rear right central locking lock unit -F223-		15	Rear right central locking lock unit -F223-
7	Rear right door contact switch -F11-		16	Rear right window regulator switch, in door -E54-
8			17
9	Terminal 31		18	Rear right window regulator switch, in door -E54-

Back to overview Onboard supply control unit -J519- Onboard supply control unit -J519- , AW0 Fitting location below the dash panel.

1 -	Onboard supply control unit -J519-

q

AW0

A -	73-pin connector -T73a-

B -	73-pin connector -T73b-

Connector assignment, onboard supply control unit -J519-

-T73a--A-	Designation		-T73b--B-	Designation
1	Front right headlight -MX2- / right headlight range control motor -V49-		1	Front left headlight -MX1- /left headlight range control motor -V48-
2	Front left headlight -MX1- /left headlight range control motor -V48-		2	Front right headlight -MX2- / right headlight range control motor -V49-
3			3	Front left headlight -MX1- / left headlight range control motor -V48-
4	B154 - Connection 1 (DCt), in interior wiring harness		4	A224 - Positive connection 2 (58), in dash panel wiring harness
5	Front right headlight -MX2- / right headlight range control motor -V49-		5	Front left headlight -MX1- /left headlight range control motor -V48-
6	Left tail light 2 -MX5-		6	Front right headlight -MX2- / right headlight range control motor -V49-
7	Light switch -E1- / rotary light switch -EX1-		7	A224 - Positive connection 2 (58), in dash panel wiring harness
8	Isolation relay for powertrain CAN bus -J788-		8	Right steering column switch -EX20- / left steering column switch -EX19-
9			9	C69 - Front left connection (fog light), in main wiring harness
10	Rear lid lock unit -F256-		10	C25 - Connection (fog light), in front lighting wiring harness
11	B466 - Connection 2 in main wiring harness		11	Terminal 30
12	B465 - Connection 1 in main wiring harness		12	W71 - Connection (reversing light), in rear wiring harness
13	Tank filler flap locking motor -V155-		13	Terminal 30
14	Terminal 31		14	C20 - Connection (left turn signal), in headlight wiring harness
15	B467 - Connection 3 in main wiring harness		15	C30 - Connection 2 (right turn signal), in headlight wiring harness
16	Terminal 30		16	B131 - Connection (54), in interior wiring harness
17	Rear left central locking lock unit -F222-		17	B528 - Connection 1 (LIN bus) in main wiring harness
18	Rear right central locking lock unit -F223-		18	B390 - Connection 1 (powertrain CAN bus, low), in main wiring harness
19	Driver door contact switch -F2-		19	B383 - Connection 1 (powertrain CAN bus, high), in main wiring harness
20	Front passenger door contact switch -F3-		20	B397 - Connection 1 (convenience CAN bus, high), in main wiring harness
21	Front passenger side central locking lock unit -F221-		21	B406 - Connection 1 (convenience CAN bus, low), in main wiring harness
22	Driver door central locking motor -V56-		22	Diagnostic connection -U31-
23	B605 - Connection 1, in interior wiring harness		23	Diagnostic connection -U31-
24	Rear left central locking lock unit -F222-		24	B698 - Connection 3 (LIN bus) in main wiring harness
25	B468 - Connection 4 in main wiring harness		25
26	Rear right door contact switch -F11-		26
27	Bonnet contact switch -F266-		27	Right steering column switch -EX20- / left steering column switch -EX19-
28	Hazard warning lights button -E229- Front passenger side central locking lock unit -F221-1)		28	Front passenger side central locking lock unit -F221-
29	Airbag coil connector and return ring with slip ring -F138-		29	Light switch -E1- / rotary light switch -EX1-
30	98 - Earth connection, in rear lid wiring harness		30
31			31	Heater control unit -J65-
32	Left steering column switch -EX19-		32	Windscreen wiper motor -V-
33	Left steering column switch -EX19-		33
34	Rear left door contact switch -F10-		34	A19 - Connection (58d), in dash panel wiring harness
35			35
36	Heated front seats control unit -J774-		36	Airbag coil connector and return ring with slip ring -F138-
37	Light switch -E1- / rotary light switch -EX1-		37
38	Z1 - Connection 1, in mirror adjustment/heating wiring harness		38	Terminal 31
39			39	U18 - Positive connection (30a), in automatic gearbox wiring harness
40	B143 - Positive connection (58R), in interior wiring harness		40
41	B144 - Positive connection (58L), in interior wiring harness		41
42	Ignition/starter switch -D- / control unit for electronic steering column lock -J764-		42
43	B335 - Connection 1 (54), in main wiring harness		43	Light switch -E1- / rotary light switch -EX1-
44	B149 - Positive connection 2 (15a), in interior wiring harness		44	Left steering column switch -EX19-
45	Light switch -E1- / rotary light switch -EX1-		45	B441 - Connection (CCS), in main wiring harness
46			46	Left steering column switch -EX19-
47	Entry and start authorisation control unit -J518-		47	Left steering column switch -EX19-
48			48	U27 - Connection (RL), in gearbox switch wiring harness
49			49	B177 - Connection (61), in interior wiring harness
50			50	Terminal 50
51			51	Terminal 75
52	B429 - Connection (EFPR), in main wiring harness		52	Light switch -E1- / rotary light switch -EX1-
53	Alarm system relay 5, hazard warning lights -J464-		53	Right steering column switch -EX20- / left steering column switch -EX19-
54			54	B750 - Connection 1 (CAN bus, displays and controls, high)
55	Converter box -J935-		55	U6 - Connection 2, in automatic gearbox wiring harness/ clutch position sender -G476-
56	Hazard warning lights button -E229-		56
57			57	B751 - Connection 1 (CAN bus, displays and controls, low)
58	Central locking SAFELOCK function warning lamp -K133-		58	Exterior mirror heater button -E231-
59			59	Terminal 30
60	Heater control unit -J65-		60	Terminal 31
61			61	B498 - Connection 1 (53c), in interior wiring harness
62	Left steering column switch -EX19-		62	Right steering column switch -EX20- / left steering column switch -EX19-
63	Terminal 30		63	B180 - Connection (heated rear window), in interior wiring harness
64	Terminal 30		64
65	B559 - Positive connection 1 (30g) in main wiring harness		65
66	Terminal 30		66
67	B727 - Connection (71a), in main wiring harness		67	A1 - Positive connection (30a), in dash panel wiring harness
68	Terminal 30		68	Terminal 30
69	Windscreen wiper motor -V-		69
70	Terminal 31		70
71	Windscreen wiper motor -V-		71
72			72
73	Terminal 30		73

1) Gradually discontinued

Back to overview Onboard supply control unit -J519- , AW1 Fitting location below the dash panel.

1 -	Onboard supply control unit -J519-

q

AW1

A -	52-pin connector -T52a-

B -	52-pin connector -T52b-

C -	52-pin connector -T52c-

Connector assignment, onboard supply control unit -J519-

-T52a--A-	Designation		-T52b--B-	Designation		-T52c--C-	Designation
1	Terminal 30		1	Terminal 30		1	Terminal 30
2			2	Tank filler flap locking motor -V155-		2	Alarm system horn -H18-
3			3			3	B143 - Positive connection (58R), in interior wiring harness
4			4			4	Left tail light -MX3-
5	Front left headlight -MX1-		5	Tank filler flap locking motor -V155- / fuel tank cap detection switch -F334-		5	367 - Earth connection 2, in main wiring harness
6	Front left headlight -MX1-		6			6
7	Front left headlight -MX1-		7			7	Hazard warning lights button -E229-
8	Front right headlight -MX2-		8			8
9	C30 - Connection 2 (right turn signal), in headlight wiring harness		9			9
10	Front left headlight -MX1-		10			10	B154 - Connection 1 (DCt), in interior wiring harness
11	Front left headlight -MX1-		11	Rear lid electric opener motor -V254- / rear lid lock unit -F256-		11
12			12	Terminal 15 voltage supply relay -J329-		12
13	Rear lid handle release button -E234-		13			13	Control unit for electronic steering column lock -J764- / A219 - Connection (S contact), in main wiring harness
14	Bonnet contact switch -F266-		14	Heater control unit -J65-		14	Terminal 50
15			15	Switch and instrument illumination regulator -E20-		15	B397 - Connection 1 (convenience CAN bus, high), in main wiring harness
16	U27 - Connection (RL), in gearbox switch wiring harness		16			16	B406 - Connection 1 (convenience CAN bus, low), in main wiring harness
17	Rotary light switch -EX1-		17			17	B335 - Connection 1 (54), in main wiring harness
18	Rotary light switch -EX1-		18	Wiper motor relay 1 -J368-		18
19	Rotary light switch -EX1-		19			19
20	Rotary light switch -EX1-		20	Windscreen wiper motor -V-		20
21	Rotary light switch -EX1-		21	Heated front seats control unit -J774-		21	A12 - Positive connection (75a), in dash panel wiring harness
22	Rotary light switch -EX1-		22	Heated rear window relay -J9-		22
23	367 - Earth connection 2, in main wiring harness		23	Wiper motor relay 2 -J369-		23
24	Terminal 30		24	Hazard warning lights button -E229-		24	Entry and start authorisation control unit -J518-
25	C69 - Front left connection (fog light), in main wiring harness		25			25	C25 - Connection (fog light), in front lighting wiring harness
26	Right tail light -MX4-		26			26	Front left headlight -MX1-
27	B144 - Positive connection (58L), in interior wiring harness		27			27	A3 - Positive connection (58), in dash panel wiring harness
28	Left tail light 2 -MX5-		28	B491 - Positive connection (75), in interior wiring harness		28	W71 - Connection (reversing light), in rear wiring harness
29	B128 - Connection (luggage compartment light), in interior wiring harness		29	B239 - Positive connection 1 (50), in interior wiring harness		29
30			30	Switch and instrument illumination regulator -E20-		30	U6 - Connection 2, in automatic gearbox wiring harness/ 85 - Earth connection 1, in engine compartment wiring harness
31			31			31	A219 - Connection (S contact), in main wiring harness
32	Fuel tank cap detection switch -F334-		32			32	Heater control unit -J65- / B177 - Connection (61), in interior wiring harness
33	Pressure equalisation button -E790-		33	Rain and light sensor -G397-		33
34			34			34	B660 - Connection (diagnosis terminal 50), in main wiring harness
35	Heater control unit -J65-		35			35	Switch and instrument illumination regulator -E20-
36	Interior monitoring deactivation switch -E267- / deactivation button for vehicle inclination sender -E360-		36	B549 - Connection 2 (LIN bus) in main wiring harness		36
37			37	Interior monitoring deactivation switch -E267- / deactivation button for vehicle inclination sender -E360-		37
38			38	B429 - Connection (EFPR), in main wiring harness		38
39			39			39
40			40	Headlight washer system relay -J39-		40
41			41	Headlight washer system relay -J39-		41
42	85 - Earth connection 1, in engine compartment wiring harness		42	Terminal 30		42	Terminal 30
43	Washer pump -V5-		43	B559 - Positive connection 1 (30g) in main wiring harness		43
44	Front right headlight -MX2-		44			44
45	High-level brake light bulb -M25-		45			45
46	Tank filler flap locking motor -V155-		46			46	Front right headlight -MX2-
47			47			47	B448 - Connection (rear fog light), in main wiring harness
48			48			48	Front left headlight -MX1-
49			49			49	Front right headlight -MX2-
50			50	B433 - Connection (footwell light), in main wiring harness		50	Front right headlight -MX2-
51			51	B340 - Connection 1 (58d), in main wiring harness/ A19 - Connection (58d), in dash panel wiring harness		51	C20 - Connection (left turn signal), in headlight wiring harness
52			52	367 - Earth connection 2, in main wiring harness		52	Front right headlight -MX2-

Back to overview Entry and start authorisation control unit -J518- Fitting location below the dash panel.

1 -	Entry and start authorisation control unit -J518-

A -	32-pin connector -T32e-

Connector assignment, entry and start authorisation control unit -J518-

-T32e--A-	Designation		-T32e--A-	Designation		-T32e--A-	Designation
1			12			23	Driver side aerial for entry and start system -R134-
2			13			24	Driver side aerial for entry and start system -R134-
3	Terminal 30		14			25	Luggage compartment aerial for entry and start system -R137-
4			15			26	Passenger side aerial for entry and start system -R135-
5	Front passenger door exterior handle contact sensor -G416-		16	CAN low		27	Rear bumper aerial for entry and start system -R136-
6			17	Terminal 31		28	Interior aerial 1 for entry and start system -R138-
7			18	Interior aerial 2 for entry and start system -R139-		29	Interior aerial 2 for entry and start system -R139-
8			19	Interior aerial 1 for entry and start system -R138-		30	Starter button -E378-
9	Driver door exterior handle contact sensor -G415-		20	Rear bumper aerial for entry and start system -R136-		31
10	Onboard supply control unit -J519-		21	Passenger side aerial for entry and start system -R135-		32	CAN high
11			22	Luggage compartment aerial for entry and start system -R137-

Back to overview VW JETTA 2017 Emergency call module control unit and communication unit J949 Emergency call module control unit and communication unit -J949- Fitting location Under front passenger seat.

1 -	Emergency call module control unit and communication unit -J949-

A -	26-pin connector -T26c-

Connector assignment of emergency call module control unit and communication unit -J949-

-T26c--A-	Designation		-T26c--A-	Designation
1	Terminal 30		14	CAN high
2	CAN low		15
3			16
4	Telephone microphone -R38-		17	Telephone microphone -R38-
5	Mobile telephone operating electronics control unit -J412- / radio -R- / control unit with display for radio and navigation -J503-		18	Mobile telephone operating electronics control unit -J412- / radio -R- / control unit with display for radio and navigation -J503-
6	Emergency assistance call button -E276-		19	Emergency assistance call button -E276-
7	Emergency assistance call button -E276-		20	Emergency assistance call button -E276-
8			21
9			22
10	Mobile telephone operating electronics control unit -J412-		23
11	Mobile telephone operating electronics control unit -J412-		24
12			25
13			26	490 - Earth connection (screening 2), in radio-navigation system wiring harness

Back to overview VW JETTA 2017 Fuel pump control unit J538 Fuel pump control unit -J538- Fitting location Under rear right seat.

1 -	Fuel pump control unit -J538-

A -	10-pin connector -T10n-

Connector assignment, fuel pump control unit -J538-

-T10n--A-	Designation		-T10n--A-	Designation
1	Terminal 30		6	87 - Earth connection 2, in rear wiring harness
2	Engine control unit -J623-		7	B429 - Connection (EFPR), in main wiring harness/ onboard supply control unit -J519-1)
3	D52 - Positive connection (15a), in engine compartment wiring harness		8	Control unit in dash panel insert -J285-
4	Control unit in dash panel insert -J285-		9
5	B453 - Connection 1 (sensor), in main wiring harness		10

1) CPKA,CPRA

Back to overview VW JETTA 2017 Seat occupied recognition control unit J706 Seat occupied recognition control unit -J706- Fitting location Under front passenger seat.

1 -	Seat occupied recognition control unit -J706-

A -	10-pin connector -T10t-

B -	3-pin connector -T3m-

Connector assignment, seat occupied recognition control unit -J706-

-T10t--A-	Designation		-T3m--B-	Designation
1			1	A200 - Positive connection 5 (15a) in dash panel wiring harness
2			2	Airbag control unit -J234-
3	475 - Earth connection (airbag), in main wiring harness		3	475 - Earth connection (airbag), in main wiring harness
4
5
6
7	Airbag control unit -J234-
8
9	A200 - Positive connection 5 (15a) in dash panel wiring harness
10	Heated seat cushion for front passenger seat -Z8-

Back to overview VW JETTA 2017 Exhaust flap control unit J883 Exhaust flap control unit -J883- Fitting location In centre tunnel.

1 -	Exhaust flap control unit -J883-

A -	5-pin connector -T5k-

Connector assignment, exhaust flap control unit -J883-

-T5k--A-	Designation
1	B369 - Connection 1 (5V), in main wiring harness
2	D112 - Connection 10 in engine compartment wiring harness
3	Engine control unit -J623-
4	Engine control unit -J623-
5	104 - Earth connection in front right wiring harness - sensor earth -

Back to overview

VW JETTA 2017 Overview of earth points at front

Overview of earth points at front

1	Earth strap, battery - body

q	Specified torque 20 Nm

12	Earth point, on left in engine compartment

q	Specified torque 9 Nm

14	Earth point on gearbox

q	Specified torque 20 Nm

652	Earth point, engine and gearbox earth

q	Specified torque 9 Nm

655	Earth​ point​ on​ left​ headlight​

q	Specified torque 9 Nm

685	Earth point 1 on front of right longitudinal member

q	Specified torque 9 Nm

44	Earth point on lower part of left A-pillar

q	Specified torque 9 Nm

605	Earth point on top end of steering column

q	Specified torque 9 Nm

670	Earth point 2, on left A-pillar

q	Specified torque 9 Nm

43	Earth point, lower part of right A-pillar

q	Specified torque 9 Nm

610	Earth point (audio), front below centre console

q	Specified torque 9 Nm

751	Earth point 2, on right A-pillar

q	Specified torque 9 Nm

50	Earth point, on left in luggage compartment

q	Specified torque 9 Nm

624	Earth point next to starter battery

q	Specified torque 20 Nm

q	Only models with hybrid drive system

51	Earth point, on right in luggage compartment

q	Specified torque 9 Nm

675	Earth point 2, on right in luggage compartment

q	Specified torque 9 Nm

VW JETTA 2017 Coupling point in engine compartment, left

Coupling point in engine compartment, left

B -	8-pin connector -T8i-

D -	10-pin connector -T10g-

E -	10-pin connector -T10aa-

F -	4-pin connector -T4t-

G -	8-pin connector -T8l-

Coupling point in interior, centre

Coupling point on front left door

Coupling point on front right door

Diagnostic connection -U31-

Diagnostic connection -U31- , left-hand drive models

Diagnostic connection -U31- , right-hand drive models

A -	16-pin connector -T16-

Coupling point for front left seat

B -	3-pin connector -T3ar-

D -	10-pin connector -T10c-

Coupling point for front right seat

B -	3-pin connector -T3l-

D -	2-pin connector -T2bc-

Coupling point on rear left door

Coupling point on rear right door

Coupling point in luggage compartment, right

VW JETTA 2017 Overview of relay carriers

Overview of relay carriers

The architecture of the electrical equipment in the Jetta can be recognised from the assignment of the relay slots in the E-box.

   

Features of vehicle electrical equipment architecture

Components	Equipment low (AW0)	Equipment high (AW1)
Relay slots R1 and R2 occupied		X
Onboard supply control unit -J519- with 73-pin connector -T73a- and -T73b-	X
Onboard supply control unit -J519- with 52-pin connector -T52a- , -T52b- and -T52c-		X
Data bus diagnostic interface -J533- integrated into onboard supply control unit -J519-	X
Data bus diagnostic interface -J533-		X
Steering column electronics control module -J527-		X
Left steering column switch -EX19-	X
Right steering column switch -EX20-	X
Converter box -J935-	X

1 -	Relay​​ carrier​​ on​​ E-box​​

q	on left in engine compartment

t	Vacuum pump relay -J57-

t	Automatic glow period control unit -J179-

t	Main relay -J271-

t	Secondary air pump relay -J299-

t	Low heat output relay -J359-

t	High heat output relay -J360-

t	Wiper motor relay 1 -J368-

t	Wiper motor relay 2 -J369-

t	Additional coolant pump relay -J496-

t	Engine component current supply relay -J757-

q	Fitting locations and relay assignment, E-Box low, from July 2014

q	Fitting locations and relay assignment, E-Box high, from July 2014

q	Fitting locations and relay assignment, E-Box high, hybrid system, from September 2014

q	Fitting locations and relay assignment, E-Box high, Russia, from November 2014

2 -	Relay carrier on onboard supply control unit

q	Under dash panel on driver's side

t	Terminal 75 voltage supply relay 1 -J680-

t	Starter relay 2 -J907-

t	Auxiliary heater operation relay -J485-

t	Isolation relay for powertrain CAN bus -J788-

t	Heated rear window relay -J9-

t	Converter box -J935-

t	Auxiliary heater operation relay 2 -J1026-

t	Starter relay 1 -J906-

t	Relay for reducing agent metering system -J963-

t	Fuel pump relay -J17-

t	Secondary air pump relay -J299-

t	Cold start device relay -J41-

t	Heater element relay -J925-

t	Terminal 15 voltage supply relay -J329-

t	Dual tone horn relay -J4-

t	Headlight washer system relay -J39-

t	Electric fuel pump 2 relay -J49-

t	Fan enabling relay -J937-

t	Alarm horn relay -J641-

q	Fitting locations and relay assignment, left-hand drive models (E-Box low), from July 2014

q	Fitting locations and relay assignment, left-hand drive models (E-Box low), from July 2015

q	Fitting locations and relay assignment, left-hand drive models (E-Box high), from July 2014

q	Fitting locations and relay assignment, left-hand drive models (E-Box high), from July 2015

q	Fitting locations and relay assignment, right-hand drive models (E-Box high), from August 2014

Note: t  The architecture of the electrical equipment of the Jetta is recognized according to the assignment of the E-box. t  When slots R1 and R2 are vacant it is an E-box low, equipment level low (AW0). t  When slots R1 and R2 are occupied it is an E-box high, equipment level high (AW1).

Fitting locations and relay assignment, E-box

Fitting locations and relay assignment, E-Box low, from July 2014

1 -	Relay and fuse carrier

R1 -	Not assigned

R2 -	Not assigned

R3 -	Main relay -J271-

q

(644)

R4 -	Engine component current supply relay -J757-

q

(645)

q	According to equipment

R4 -	Low heat output relay -J359-

q

(644)

q	According to equipment

R5 -	Secondary air pump relay -J299-

q

(644)

q	According to equipment

R5 -	High heat output relay -J360-

q

(644)

q	According to equipment

R6 -	Automatic glow period control unit -J179-

q	(457, 508)

q	According to equipment

R6 -	Vacuum pump relay -J57-

q

(643)

Note: t  Relay slots R1 and R2 are not occupied in the E-box low: t  Select the current flow diagrams for basic equipment, convenience system and engines in low (AW0). Back to overview

Fitting locations and relay assignment, E-Box high, from July 2014

1 -	Relay and fuse carrier

R1 -	Wiper motor relay 1 -J368-

q

(646)

R2 -	Wiper motor relay 2 -J369-

q

(646)

R3 -	Main relay -J271-

q

(644)

R3 -	Terminal 30 voltage supply relay -J317-

q

(644)

R4 -	Engine component current supply relay -J757-

q

(645)

q	According to equipment

R4 -	Low heat output relay -J359-

q

(645)

R4 -	Additional coolant pump relay -J496-

q

(645)

q	According to equipment

R5 -	High heat output relay -J360-

q

(644)

R5 -	Secondary air pump relay -J299-

q

(644)

q	According to equipment

R6 -	Automatic glow period control unit -J179-

q	for models with diesel engine only

q	(457, 508)

R6 -	Vacuum pump relay -J57-

Note: t  Relay slots R1 and R2 are occupied in the E-box high: t  Select the current flow diagrams for basic equipment, convenience system and engines in high (AW1). Back to overview

Fitting locations and relay assignment, E-Box high, hybrid system, from September 2014

1 -	Relay and fuse carrier

R1 -	Wiper motor relay 1 -J368-

q

(646)

R2 -	Wiper motor relay 2 -J369-

q

(646)

R3 -	Main relay -J271-

q

(644)

R4 -	Low heat output relay -J359-

q

(644)

R5 -	High heat output relay -J360-

q

(644)

R6 -	Vacuum pump relay -J57-

q	Without auxiliary air heater (PTC)

q

(645)

Back to overview

Fitting locations and relay assignment, E-Box high, Russia, from November 2014

1 -	Relay and fuse carrier

R1 -	Wiper motor relay 1 -J368-

q

(646)

R2 -	Wiper motor relay 2 -J369-

q

(646)

R3 -	Main relay -J271-

q

(644)

R4 -	Not assigned

R5 -	Not assigned

R6 -	Not assigned

Back to overview

VW JETTA 2017 Fitting locations and relay assignment: relay carrier under dash panel

Fitting locations and relay assignment: relay carrier under dash panel

Fitting locations and relay assignment, left-hand drive models (E-Box low), from July 2014

1 -	Relay carrier

R1 -	Terminal 75 voltage supply relay 1 -J680-

q

(644)

q

(645)

R2 -	Starter relay 2 -J907-

q

(507)

R3 -	Auxiliary heater operation relay -J485-

q

(645)

R4 -	Isolation relay for powertrain CAN bus -J788-

q

(524)

R5 -	Converter box -J935-

q

(500)

R5 -	Auxiliary heater operation relay 2 -J1026-

q

(646)

q	According to equipment

R6 -	Not assigned

R7 -	Starter relay 1 -J906-

q

(645)

R8 -	Relay for reducing agent metering system -J963-

q

(646)

q	According to equipment

R9 -	Terminal 15 voltage supply relay -J329-

q

(645)

R10 -

Not assigned

R11 -

Fuel pump relay -J17-

q

(646)

R11 -

Engine component current supply relay -J757-

q

(646)

R1A -

Not assigned

R2A -

Alarm horn relay -J641-

q

(646)

R3A -

Not assigned

Back to overview

Fitting locations and relay assignment, left-hand drive models (E-Box high), from July 2014

1 -	Relay carrier

R1 -	Terminal 75 voltage supply relay 1 -J680-

q

(644)

q

(645)

R2 -	Starter relay 2 -J907-

q

(507)

R3 -	Auxiliary heater operation relay -J485-

q

(645)

R4 -	Not assigned

R5 -	Heated rear window relay -J9-

q

(646)

q	Relay socket 5/1

R5 -	Auxiliary heater operation relay 2 -J1026-

q

(646)

q	Relay socket 5/2

q	for models with diesel engine only

R6 -	Not assigned

R7 -	Starter relay 1 -J906-

q

(645)

R8 -	Electric fuel pump 2 relay -J49-

q

(646)

q	According to equipment

R8 -	Secondary air pump relay -J299-

q

(644)

q	According to equipment

R8 -	Cold start device relay -J41-

q

(645)

q	According to equipment

R8 -	Heater element relay -J925-

q

(646)

q	According to equipment

R9 -	Terminal 15 voltage supply relay -J329-

q

(645)

R10 -

Dual tone horn relay -J4-

q

(646)

q	Relay socket 10/1

R10 -

Headlight washer system relay -J39-

q

(646)

q	Relay socket 10/2

q	Only applies to models with headlight washer system

R11 -

Fuel pump relay -J17-

q

(646)

R11 -

Engine component current supply relay -J757-

q

(646)

R1A -

Not assigned

R2A -

Fan enabling relay -J937-

q

(646)

q	Only for models with high-voltage system (hybrid)

R3A -

Not assigned

Back to overview

Fitting locations and relay assignment, right-hand drive models (E-Box high), from August 2014

1 -	Relay carrier

R1 -	Dual tone horn relay -J4-

q

(646)

R1 -	Headlight washer system relay -J39-

q

(646)

R2 -	Starter relay 2 -J907-

q

(507)

R3 -	Electric fuel pump 2 relay -J49-

q

(646)

q	According to equipment

R3 -	Heater element relay -J925-

q

(646)

q	According to equipment

R4 -	Not assigned

R5 -	Fuel pump relay -J17-

q

(646)

q	Relay socket 5/1

R5 -	Engine component current supply relay -J757-

q

(646)

q	Relay socket 5/2

R6 -	Starter relay 1 -J906-

q

(645)

R7 -	Auxiliary heater operation relay 2 -J1026-

q

(646)

R8 -	Heated rear window relay -J9-

q

(646)

R9 -	Terminal 15 voltage supply relay -J329-

q

(645)

R10 -

Terminal 75 voltage supply relay 1 -J680-

q

(644)

q

(645)

R11 -

Auxiliary heater operation relay -J485-

q

(645)

R12 -

Not assigned

Back to overview

Fitting locations and relay assignment, left-hand drive models (E-Box low), from July 2015

1 -	Relay carrier

R1 -	Terminal 75 voltage supply relay 1 -J680-

q

(644)

q

(645)

R2 -	Starter relay 2 -J907-

q

(507)

R3 -	Auxiliary heater operation relay -J485-

q

(645)

R4 -	Isolation relay for powertrain CAN bus -J788-

q

(524)

R5 -	Converter box -J935-

q

(500)

R5 -	Auxiliary heater operation relay 2 -J1026-

q

(646)

q	According to equipment

R6 -	Magnetic clutch relay -J44-

q

(525)

q	Relay socket 6/2

q	According to equipment

R7 -	Starter relay 1 -J906-

q

(645)

R8 -	Relay for reducing agent metering system -J963-

q

(646)

q	According to equipment

R9 -	Terminal 15 voltage supply relay -J329-

q

(645)

R10 -

Not assigned

R11 -

Fuel pump relay -J17-

q

(646)

R11 -

Engine component current supply relay -J757-

q

(646)

R1A -

Not assigned

R2A -

Alarm horn relay -J641-

q

(646)

R3A -

Not assigned

Back to overview

VW JETTA 2017 Fitting locations and relay assignment, left-hand drive models (E-Box high), from July 2015

Fitting locations and relay assignment, left-hand drive models (E-Box high), from July 2015

1 -	Relay carrier

R1 -	Terminal 75 voltage supply relay 1 -J680-

q

(644)

q

(645)

R2 -	Starter relay 2 -J907-

q

(507)

R3 -	Auxiliary heater operation relay -J485-

q

(645)

R4 -	Not assigned

R5 -	Heated rear window relay -J9-

q

(646)

q	Relay socket 5/1

R5 -	Auxiliary heater operation relay 2 -J1026-

q

(646)

q	Relay socket 5/2

q	for models with diesel engine only

R6 -	Magnetic clutch relay -J44-

q

(525)

q	Relay socket 6/2

q	According to equipment

R7 -	Starter relay 1 -J906-

q

(645)

R8 -	Electric fuel pump 2 relay -J49-

q

(646)

q	According to equipment

R8 -	Secondary air pump relay -J299-

q

(644)

q	According to equipment

R8 -	Cold start device relay -J41-

q

(645)

q	According to equipment

R8 -	Heater element relay -J925-

q

(646)

q	According to equipment

R9 -	Terminal 15 voltage supply relay -J329-

q

(645)

R10 -

Dual tone horn relay -J4-

q

(646)

q	Relay socket 10/1

R10 -

Headlight washer system relay -J39-

q

(646)

q	Relay socket 10/2

q	Only applies to models with headlight washer system

R11 -

Fuel pump relay -J17-

q

(646)

R11 -

Engine component current supply relay -J757-

q

(646)

R1A -

Not assigned

R2A -

Fan enabling relay -J937-

q

(646)

q	Only for models with high-voltage system (hybrid)

R3A -

Not assigned

Back to overview