VW JETTA 2017 — Body electrical, Low (AW0), (AW0) . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW JETTA 2017 - Terminal 15 voltage supply relay - Onboard supply control unit - Starter relay 1 - Fuse 1 in fuse holder A - Fuse 4 in fuse holder A - Fuse holder B

A	Battery
B	Starter
C	Alternator
J329	Terminal 15 voltage supply relay
J519	Onboard supply control unit
J906	Starter relay 1
SA1	Fuse 1 in fuse holder A
SA4	Fuse 4 in fuse holder A
SB	Fuse holder B
SB10	Fuse 10 on fuse holder B
SB19	Fuse 19 on fuse holder B
SB20	Fuse 20 on fuse holder B
SB23	Fuse 23 on fuse holder B
SB25	Fuse 25 on fuse holder B
T9c	9-pin connector
T9g	9-pin connector
T73a	73-pin connector
T73b	73-pin connector
508	Threaded connection (30) on E-box
B163	Positive connection 1 (15), in interior wiring harness
*	see applicable current flow diagram for engine
*2	According to equipment
*3	Cross section depends on equipment

Wiring Diagram VW JETTA 2017 - Ignition/starter switch - Onboard supply control unit - Converter box - Fuse holder C

D	Ignition/starter switch
J234	Airbag control unit
J519	Onboard supply control unit
J935	Converter box
K145	Front passenger side airbag deactivated warning lamp
SC	Fuse holder C
SC9	Fuse 9 on fuse holder C
T10	10-pin connector
T10i	10-pin connector
T73a	73-pin connector
T73b	73-pin connector
A22	Connection (75s), in dash panel wiring harness
A200	Positive connection 5 (15a) in dash panel wiring harness
B239	Positive connection 1 (50), in interior wiring harness
B491	Positive connection (75), in interior wiring harness
*	see applicable current flow diagram for airbag

Wiring Diagram VW JETTA 2017 - Onboard supply control unit - Fuse holder C

J519	Onboard supply control unit
J641	Alarm horn relay
SC	Fuse holder C
SC3	Fuse 3 on fuse holder C
SC8	Fuse 8 on fuse holder C
SC10	Fuse 10 on fuse holder C
SC13	Fuse 13 on fuse holder C
SC14	Fuse 14 on fuse holder C
SC15	Fuse 15 on fuse holder C
SC20	Fuse 20 on fuse holder C
SC22	Fuse 22 on fuse holder C
SC24	Fuse 24 on fuse holder C
SC27	Fuse 27 on fuse holder C
SC35	Fuse 35 on fuse holder C
SC36	Fuse 36 on fuse holder C
T5an	5-pin connector
B111	Positive connection 1 (30a), in interior wiring harness
B149	Positive connection 2 (15a), in interior wiring harness
B151	Positive connection 3 (30a), in interior wiring harness
B156	Positive connection (30a), in interior wiring harness
B320	Positive connection 6 (30a) in main wiring harness
*	see applicable current flow diagram for convenience system
*2	Cross section depends on equipment

Wiring Diagram VW JETTA 2017 - Onboard supply control unit - Terminal 75 voltage supply relay 1 - Fuse holder C

J519	Onboard supply control unit
J680	Terminal 75 voltage supply relay 1
SC	Fuse holder C
SC18	Fuse 18 on fuse holder C
SC28	Fuse 28 on fuse holder C
SC29	Fuse 29 on fuse holder C
SC30	Fuse 30 on fuse holder C
SC33	Fuse 33 on fuse holder C
SC37	Fuse 37 on fuse holder C
SC43	Fuse 43 on fuse holder C
SC44	Fuse 44 on fuse holder C
SC53	Fuse 53 on fuse holder C
SC60	Fuse 60 on fuse holder C
T3wr	3-pin connector
T7d	7-pin connector
U13	DC/AC converter with socket, 12 V - 230 V
A1	Positive connection (30a), in dash panel wiring harness
B111	Positive connection 1 (30a), in interior wiring harness
B231	Positive connection 5 (30a), in interior wiring harness
B320	Positive connection 6 (30a) in main wiring harness
*	see applicable current flow diagram
*2	Cross section depends on equipment

Wiring Diagram VW JETTA 2017 - Switch and instrument illumination regulator - Onboard supply control unit - Left fog light bulb - Right fog light bulb - Left side light bulb - Front left headlight - Front left turn signal bulb

E20	Switch and instrument illumination regulator
J519	Onboard supply control unit
L22	Left fog light bulb
L23	Right fog light bulb
L76	Button illumination bulb
L174	Left daytime running light bulb
M1	Left side light bulb
MX1	Front left headlight
M5	Front left turn signal bulb
M29	Left headlight dipped beam bulb
M30	Left headlight main beam bulb
T2dg	2-pin connector
T2dh	2-pin connector
T3i	3-pin connector
T10l	10-pin connector
T73a	73-pin connector
T73b	73-pin connector
108	Earth connection 2, in front left wiring harness
417	Earth connection 9, in engine compartment wiring harness
418	Earth connection 10, in engine compartment wiring harness
655	Earth point, on left headlight
A224	Positive connection 2 (58), in dash panel wiring harness
C25	Connection (fog light), in front lighting wiring harness
C69	Front left connection (fog light),, in main wiring harness
*	According to equipment
*2	Cross section depends on equipment

Wiring Diagram VW JETTA 2017 - Light switch - Fog light switch - Rear fog light switch - Onboard supply control unit - Automatic control of lights warning lamp - Front right headlight - Right side light bulb - Front right turn signal bulb

E1	Light switch
E7	Fog light switch
E18	Rear fog light switch
J519	Onboard supply control unit
K209	Automatic control of lights warning lamp
L9	Light switch illumination bulb
L175	Right daytime running light bulb
MX2	Front right headlight
M3	Right side light bulb
M7	Front right turn signal bulb
M31	Right headlight dipped beam bulb
M32	Right headlight main beam bulb
T10h	10-pin connector
T10r	10-pin connector
T73a	73-pin connector
T73b	73-pin connector
85	Earth connection 1, in engine compartment wiring harness
U18	Positive connection (30a), in automatic gearbox wiring harness
*	If fitted
*2	According to equipment
*3	Cross section depends on equipment

Wiring Diagram VW JETTA 2017 - Light switch - Onboard supply control unit - Fog light warning lamp - Rear left fog light bulb - Left tail light - Rear left turn signal bulb - Left brake light bulb - Left reversing light bulb

E1	Light switch
J519	Onboard supply control unit
K17	Fog light warning lamp
L9	Light switch illumination bulb
L46	Rear left fog light bulb
MX3	Left tail light
M4	Left tail light bulb
MX5	Left tail light 2
M6	Rear left turn signal bulb
M9	Left brake light bulb
M16	Left reversing light bulb
T4a	4-pin connector
T4c	4-pin connector
T10h	10-pin connector
T73a	73-pin connector
T73b	73-pin connector
422	Earth connection 1, in left rear end wiring harness
A19	Connection (58d), in dash panel wiring harness
B144	Positive connection (58L), in interior wiring harness
C20	Connection (left turn signal), in headlight wiring harness
*	According to equipment

Wiring Diagram VW JETTA 2017 - Rear lid handle release button - Rear lid lock unit - Onboard supply control unit - Right reversing light bulb - Rear lid central locking motor - Number plate light

E234	Rear lid handle release button
F256	Rear lid lock unit
J519	Onboard supply control unit
M2	Right tail light bulb
MX6	Right tail light 2
M17	Right reversing light bulb
T2dx	2-pin connector
T2dy	2-pin connector
T2t	2-pin connector
T4d	4-pin connector
T4u	4-pin connector
T73a	73-pin connector
V53	Rear lid central locking motor
X	Number plate light
50	Earth point, on left in luggage compartment
51	Earth point, on right in luggage compartment
86	Earth connection 1, in rear wiring harness
98	Earth connection, in rear lid wiring harness
422	Earth connection 1, in left rear end wiring harness
424	Earth connection 2, in left rear end wiring harness
A3	Positive connection (58), in dash panel wiring harness
B605	Connection 1, in interior wiring harness
*	According to equipment

Wiring Diagram VW JETTA 2017 - Onboard supply control unit - Right tail light - Rear right turn signal bulb - Right brake light bulb - High-level brake light bulb - Tank filler flap locking motor

J519	Onboard supply control unit
M2	Right tail light bulb
MX4	Right tail light
M8	Rear right turn signal bulb
M10	Right brake light bulb
M25	High-level brake light bulb
T2dn	2-pin connector
T2x	2-pin connector
T4b	4-pin connector
T8f	8-pin connector
T32f	32-pin connector
T73a	73-pin connector
T73b	73-pin connector
VX21	Driver door lock unit
V155	Tank filler flap locking motor
B131	Connection (54), in interior wiring harness
B143	Positive connection (58R), in interior wiring harness
B465	Connection 1, in main wiring harness
B466	Connection 2, in main wiring harness
C30	Connection 2 (right turn signal), in headlight wiring harness
*	According to equipment

Wiring Diagram VW JETTA 2017 - Turn signal switch - Headlight dipper and flasher switch - Left steering column switch - Cruise control system switch - Cruise control system (CCS) SET button - Onboard supply control unit

E2	Turn signal switch
E4	Headlight dipper and flasher switch
EX19	Left steering column switch
E45	Cruise control system switch
E227	Cruise control system (CCS) SET button
J519	Onboard supply control unit
J623	Engine control unit
T16ls	16-pin connector
T73a	73-pin connector
T73b	73-pin connector
B441	Connection (CCS), in main wiring harness
*	Only models with cruise control system (CCS)

Wiring Diagram VW JETTA 2017 - Reversing light switch - Airbag coil connector and return ring with slip ring - Steering angle sender - Onboard supply control unit

F4	Reversing light switch
F138	Airbag coil connector and return ring with slip ring
G85	Steering angle sender
H	Horn plate
J519	Onboard supply control unit
T2fi	2-pin connector
T12k	12-pin connector
T16k	16-pin connector
T73a	73-pin connector
T73b	73-pin connector
U25	Connection (15), in manual gearbox wiring harness
U27	Connection (RL), in gearbox switch wiring harness
W71	Connection (reversing light), in rear wiring harness
*	According to equipment
*2	Cross section depends on equipment
*3	Only models with manual gearbox

Wiring Diagram VW JETTA 2017 - Onboard supply control unit - Driver side turn signal repeater bulb - Front passenger side turn signal repeater bulb

J519	Onboard supply control unit
L131	Driver side turn signal repeater bulb
L132	Front passenger side turn signal repeater bulb
T3o	3-pin connector
T3p	3-pin connector
T12b	12-pin connector, in driver door
T12c	12-pin connector, in front passenger door
T28a	28-pin connector, lower part of A-pillar, front passenger side
T32f	32-pin connector
T73a	73-pin connector
T73b	73-pin connector
44	Earth point, lower part of left A-pillar
107	Earth connection, in external mirror wiring harness
205	Earth connection, in driver door wiring harness
206	Earth connection, in front passenger door wiring harness
236	Earth connection 2, in window regulator/central locking and convertible roof wiring harness
367	Earth connection 2, in main wiring harness
605	Earth point, on top end of steering column
801	Earth connection 2, in external mirror wiring harness
*	Pre-wired component
*2	Cross section depends on equipment

Wiring Diagram VW JETTA 2017 - Intermittent wiper switch - Washer pump switch (automatic wash/wipe and headlight washer system) - Onboard supply control unit

EX20	Right steering column switch
E22	Intermittent wiper switch
E38	Intermittent wiper regulator
E44	Washer pump switch (automatic wash/wipe and headlight washer system)
E86	Multifunction display call-up button
E109	Multifunction display memory switch
J519	Onboard supply control unit
T2bv	2-pin connector
T10ls	10-pin connector
T73b	73-pin connector
V5	Washer pump
B498	Connection 1 (53c), in interior wiring harness
B499	Connection 2 (53c), in interior wiring harness
*	Only models with multifunction display

Wiring Diagram VW JETTA 2017 - Hazard warning lights button - Horn or dual tone horn - Onboard supply control unit - Indicator lamp for hazard warning light - Windscreen wiper motor - Left washer jet heater element - Right washer jet heater element

E229	Hazard warning lights button
H1	Horn or dual tone horn
J519	Onboard supply control unit
K6	Indicator lamp for hazard warning light
T2bt	2-pin connector
T2bu	2-pin connector
T2di	2-pin connector
T2dj	2-pin connector
T4p	4-pin connector
T6c	6-pin connector
T73a	73-pin connector
T73b	73-pin connector
V	Windscreen wiper motor
Z20	Left washer jet heater element
Z21	Right washer jet heater element
12	Earth point, on left in engine compartment
83	Earth connection 1, in front right wiring harness
124	Earth connection, in right side engine compartment wiring harness
277	Earth connection 3, in interior wiring harness
278	Earth connection 4, in interior wiring harness
685	Earth point 1 at front of right longitudinal member
B727	Connection (71a), in main wiring harness
C53	Positive connection (x), in heated washer jets wiring harness
*	Only models with dual tone horn
*2	Cross section depends on equipment

Wiring Diagram VW JETTA 2017 - Bonnet contact switch - Onboard supply control unit - Front interior light - Front passenger reading light - Interior light with switch-off delay - Driver side reading light - Left centre reading light - Right centre reading light

F266	Bonnet contact switch
J519	Onboard supply control unit
T2n	2-pin connector, near headlight
T3am	3-pin connector
T6b	6-pin connector
T73a	73-pin connector
W1	Front interior light
W13	Front passenger reading light
W15	Interior light with switch-off delay
W19	Driver side reading light
W39	Left centre reading light
W40	Right centre reading light
347	Earth connection, in roof wiring harness
B154	Connection 1 (DCt), in interior wiring harness
B559	Positive connection 1 (30g) in main wiring harness
B603	Positive connection 2 (30g) in main wiring harness
*	According to equipment

Wiring Diagram VW JETTA 2017 - Glove compartment light switch - Onboard supply control unit - Luggage compartment light - Glove compartment light - Rear left reading light - Rear right reading light - Front passenger side illuminated vanity mirror - Driver side illuminated vanity mirror - Rear interior light

E26	Glove compartment light switch
F147	Driver vanity mirror contact switch
F148	Front passenger vanity mirror contact switch
J519	Onboard supply control unit
T2aq	2-pin connector
T2bi	2-pin connector
T2bj	2-pin connector
T2bk	2-pin connector
T2bl	2-pin connector
T2bp	2-pin connector
T2br	2-pin connector
T2sv	2-pin connector
T2sw	2-pin connector
T3an	3-pin connector
T73a	73-pin connector
W3	Luggage compartment light
W6	Glove compartment light
W9	Left footwell light
W10	Right footwell light
W11	Rear left reading light
W12	Rear right reading light
W14	Front passenger side illuminated vanity mirror
W20	Driver side illuminated vanity mirror
W43	Rear interior light
347	Earth connection, in roof wiring harness
B154	Connection 1 (DCt), in interior wiring harness
B559	Positive connection 1 (30g) in main wiring harness
B603	Positive connection 2 (30g) in main wiring harness
*	According to equipment

Wiring Diagram VW JETTA 2017 - Brake light switch - Blocking diode - Onboard supply control unit - Cigarette lighter illumination bulb - Cigarette lighter - 12 V socket

F	Brake light switch
J29	Blocking diode
J519	Onboard supply control unit
L28	Cigarette lighter illumination bulb
T3g	3-pin connector
T3h	3-pin connector
T3j	3-pin connector
T4al	4-pin connector
T73a	73-pin connector
U1	Cigarette lighter
U5	12 V socket
U18	12 V socket 2
43	Earth point, lower part of right A-pillar
118	Earth connection, in cigar lighter wiring harness
230	Earth connection 1, in window regulators/central locking and convertible roof wiring harness
B162	Connection (75a), in interior wiring harness
B335	Connection 1 (54), in main wiring harness
D180	Connection (87a), in engine compartment wiring harness
*	see applicable current flow diagram for engine
*2	Cross section depends on equipment
*3	Only models with dual clutch gearbox (DSG)
*4	According to equipment

Wiring Diagram VW JETTA 2017 - Onboard supply control unit - Diagnostic connection - Heated rear window

J503	Control unit with display for radio and navigation
J519	Onboard supply control unit
J533	Data bus diagnostic interface
J743	Mechatronic unit for dual clutch gearbox
R178	Frequency modulation (FM) frequency filter in negative wire
R179	Frequency modulation (FM) frequency filter in positive wire
T1u	Single connector
T16	16-pin connector
T16d	16-pin connector
T73b	73-pin connector
U31	Diagnostic connection
Z1	Heated rear window
675	Earth point 2, on right in luggage compartment
A201	Positive connection 6 (15a) in dash panel wiring harness
B180	Connection (heated rear window), in interior wiring harness
B315	Positive connection 1 (30a) in main wiring harness
B383	Connection 1 (powertrain CAN bus, high), in main wiring harness
B390	Connection 1 (powertrain CAN bus, low), in main wiring harness
B397	Connection 1 (convenience CAN bus, high), in main wiring harness
B406	Connection 1 (convenience CAN bus, low), in main wiring harness
B590	K-diagnosis wire connection, in interior wiring harness
*	Only models with automatic gearbox

Wiring Diagram VW JETTA 2017 - Immobiliser reader coil - Oil pressure switch - Handbrake warning switch - Brake fluid level warning contact - Immobiliser control unit - Dash panel insert

D2	Immobiliser reader coil
F1	Oil pressure switch
F9	Handbrake warning switch
F34	Brake fluid level warning contact
J285	Control unit in dash panel insert
J362	Immobiliser control unit
K	Dash panel insert
K1	Main beam warning lamp
K2	Alternator warning lamp
K47	ABS warning lamp
K75	Airbag warning lamp
K132	Electronic power control fault lamp
K149	Engine electronics warning lamp
K155	Warning lamp for electronic stabilisation program and TCS
K169	Selector lever lock warning lamp
K201	Fuel tank flap lock warning lamp
T2ap	2-pin connector
T2bm	2-pin connector
T2w	2-pin connector
T14	14-pin connector
T32	32-pin connector
82	Earth connection 1, in front left wiring harness
238	Earth connection 1, in interior wiring harness
A199	Positive connection 4 (15a) in dash panel wiring harness
*	According to equipment

Wiring Diagram VW JETTA 2017 - Fuel delivery unit - Windscreen washer fluid level sender - Front left brake pad wear sender - Dash panel insert - Rear fog light warning lamp

GX1	Fuel delivery unit
G1	Fuel gauge
G6	Fuel system pressurisation pump
G33	Windscreen washer fluid level sender
G34	Front left brake pad wear sender
J285	Control unit in dash panel insert
J538	Fuel pump control unit
K	Dash panel insert
K3	Oil pressure warning lamp
K13	Rear fog light warning lamp
K29	Glow period warning lamp
K31	Cruise control system warning lamp
K32	Brake pad warning lamp
K37	Washer fluid level warning lamp
K38	Oil level warning lamp
K65	Left turn signal warning lamp
K94	Right turn signal warning lamp
K105	Reserve fuel warning lamp
K161	Electromechanical power steering warning lamp
T2bb	2-pin connector
T2bw	2-pin connector
T5b	5-pin connector
T10n	10-pin connector
T32	32-pin connector
249	Earth connection 2, in interior wiring harness
B268	Connection 1 (brake pad wear indicator), in interior wiring harness
B269	Connection 2 (brake pad wear indicator), in interior wiring harness
B453	Connection 1 (sensor), in main wiring harness
*	According to equipment
*2	see applicable current flow diagram for engine

Wiring Diagram VW JETTA 2017 - Ambient temperature sensor - Coolant shortage indicator sender - Dash panel insert

G17	Ambient temperature sensor
G32	Coolant shortage indicator sender
J285	Control unit in dash panel insert
K	Dash panel insert
K19	Seat belt warning system warning lamp
K28	Coolant temperature and coolant shortage warning lamp
K83	Exhaust emissions warning lamp
K115	Immobiliser warning lamp
K118	Brake system warning lamp
K166	Door open warning lamp
K170	Bulb failure warning lamp
K171	Bonnet open warning lamp
K205	Warning lamp for daytime running lights
K220	Tyre Pressure Loss Indicator warning lamp
T2cw	2-pin connector
T2dk	2-pin connector
T32	32-pin connector
B453	Connection 1 (sensor), in main wiring harness
B750	Connection 1 (CAN bus, displays and controls, high)
B751	Connection 1 (CAN bus, displays and controls, low)
*	Cross section depends on equipment
*2	Only models with multifunction display

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

Overview of control units in rear part of vehicle

The architecture of the electrical equipment of the Jetta is recognised according to 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- In the onboard supply control unit -J519- integrated	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

Overview of control units in rear part of vehicle, all vehicles Overview of auxiliary control units and components for hybrid vehicles → Chapter

1 -	Blind spot monitor control unit 2 -J1087-

q	Fitting location → Chapter

2 -	Trailer detector control unit -J345-

q	Fitting location → Chapter

3 -	Blind spot monitor control unit -J1086-

q	Fitting location → Chapter

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>

1 -	Battery fan 1 -V457-

q	Fitting location: in luggage compartment on front passenger side

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 → Chapter

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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter

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 → Chapter

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

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

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

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 → Chapter

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

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

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

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

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 → Chapter

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 → Chapter

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 → Chapter

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 → Chapter

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 → Chapter

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 → Chapter

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 → Chapter

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 → Chapter

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 → Chapter

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

1 -	Fresh air blower control unit -J126-

q	Fitting location → chapter

2 -	Voltage stabilizer -J532-

q	Fitting location → chapter

3 -	Front passenger door control unit -J387-

q	Fitting location, AW0 → Chapter

q	Fitting location, AW1 → Chapter

4 -	Telephone transmitter and receiver unit -R36-

q	Fitting location → Chapter

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

q	Fitting location → chapter

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

q	Fitting location → Chapter

5 -	Seat occupied recognition control unit -J706-

q	Fitting location → Chapter

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

q	Fitting location → Chapter

7 -	Climatronic control unit -J255-

q	Fitting location → chapter

7 -	Air conditioning system control unit -J301-

q	Fitting location → chapter

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

q	Fitting location → Chapter

8 -	Rear right door control unit -J389-

q	Fitting location, AW0 → Chapter

q	Fitting location, AW1 → Chapter

9 -	Sliding sunroof adjustment control unit -J245-

q	Fitting location → chapter

10 -	Control unit in dash panel insert -J285-

q	Fitting location → chapter

11 -	Steering column electronics control unit -J527-

q	Fitting location → chapter

12 -	Fuel pump control unit -J538-

q	Fitting location → chapter

13 -	Multimedia system control unit -J650-

q	Fitting location, in front centre armrest → Chapter

q	Fitting location, on glove compartment → Chapter

13 -	Mobile telephone operating electronics control unit -J412-

q	Fitting locations → Chapter

14 -	Multifunction steering wheel control unit -J453-

q	Fitting location → chapter

15 -	Exhaust flap control unit -J883-

q	Fitting location → chapter

16 -	Rear left door control unit -J388-

q	Fitting location, AW0 → Chapter

q	Fitting location, AW1 → Chapter

17 -	Driver door control unit -J386-

q	Fitting location, AW0 → Chapter

q	Fitting location, AW1 → Chapter

18 -	Heated front seats control unit -J774-

q	Fitting location → Chapter

19 -	Amplifier -R12-

q	Fitting location → Chapter

20 -	Onboard supply control unit -J519-

q	Fitting location, AW0 → Chapter

q	Fitting location, AW1 → Chapter

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

q	Fitting location → chapter

22 -	Entry and start authorisation control unit -J518-

q	Fitting location → chapter

23 -	Airbag control unit -J234-

q	Fitting location, 50-pin connector → Chapter

q	Fitting location, 75-pin connector → Chapter

q	Fitting location, 100-pin connector → Chapter

24 -	Data bus diagnostic interface -J533-

q	Fitting location → chapter

25 -	Parking aid control unit -J446-

q	Fitting location → chapter

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

q	Fitting location → chapter

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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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- → Anchor . Back to overview → Chapter 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 → Chapter 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- → Anchor . Back to overview → Chapter 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 → Chapter 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 → Chapter

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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter 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 → Chapter

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

1 -	Fuse holder A -SA-

q	Fitting location → Chapter

q	Fitting location, Hybrid → Chapter

q	Fuse assignment, from July 2014 → Chapter

q	Fuse assignment, hybrid, from September 2014 → Chapter

2 -	Fuse holder B -SB-

q	Fitting location → Chapter

q	Fuse assignment, from July 2014 → Chapter

q	Fuse assignment, from July 2015 → Chapter

3 -	Fuse holder C -SC-

q	Fitting location left-hand drive → Chapter

q	Fitting location right-hand drive → Chapter

q	Fuse assignment, from July 2014 → Chapter

q	Fuse assignment from July 2015 → Chapter

4 -	Driver seat adjustment thermal fuse 1 -S44-

q	Fitting location → Chapter

q	Fuse assignment, from July 2014 → Chapter

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

q	Fitting location → Chapter

q	Fuse assignment, hybrid, from September 2014 → Chapter

VW JETTA 2017 Fitting location, fuse holder A SA Fitting location, fuse holder A -SA-   Note: The fitting locations are identical on LHD and RHD models.

Fitting location, fuse holder A -SA-

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 → Chapter

Fitting location of fuse holder A -SA- , hybrid

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 → Chapter

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 → Chapter

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 → Chapter Fitting location of fuse holder B -SB-   Note: The fitting locations are identical on LHD and RHD models.

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 → Chapter

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 → Chapter

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

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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

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 → Chapter

Fitting location, fuse holder C -SC- , right-hand drive

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 → Chapter

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 → Chapter

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 → Chapter

VW JETTA 2017

Fitting location of front passenger seat adjustment thermal fuse 1 -S44- , from July 2014

1 -	Relay and fuse carrier

F1 -	Driver seat adjustment thermal fuse 1 -S44-

F2 -	Not assigned

Back to overview → Chapter

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 → Chapter

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

1 -	Fuse 1 (30), in battery fuse holder -S162-

2 -	Fuse 2 (30), in battery fuse holder -S163-

Back to overview → Chapter

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 → Chapter

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

A -	14-pin connector -T14a-

B -	8-pin connector -T8i-

C -	14-pin connector -T14-

D -	10-pin connector -T10g-

E -	6-pin connector -T6z-

E -	10-pin connector -T10aa-

F -	8-pin connector -T8ab-

F -	4-pin connector -T4t-

F -	2-pin connector -T2i-

G -	8-pin connector -T8l-

Coupling point in interior, centre

A -	10-pin connector -T10a-

Coupling point on front left door

A -	32-pin connector -T32f-

Coupling point on front right door

A -	28-pin connector -T28a-

Diagnostic connection -U31-

Diagnostic connection -U31- , left-hand drive models

A -	16-pin connector -T16-

Diagnostic connection -U31- , right-hand drive models

A -	16-pin connector -T16-

Coupling point for front left seat

A -	2-pin connector -T2q-

B -	3-pin connector -T3ar-

C -	3-pin connector -T3k-

D -	10-pin connector -T10c-

Coupling point for front right seat

A -	10-pin connector -T10d-

B -	3-pin connector -T3l-

C -	10-pin connector -T10b-

D -	2-pin connector -T2bc-

Coupling point on rear left door

A -	28-pin connector -T28b-

Coupling point on rear right door

A -	28-pin connector -T28c-

Coupling point in luggage compartment, right

A -	6-pin connector -T6o-

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

Overview of control units in front part of vehicle

The architecture of the electrical equipment of the Jetta is recognised according to 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- In the onboard supply control unit -J519- integrated	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

Overview of control units in front part of vehicle, all vehicles Overview of auxiliary control units and components for hybrid vehicles → Chapter

1 -	Auxiliary heater control unit -J364-

q	Fitting location → Chapter

2 -	Radiator fan control unit -J293-

q	Fitting location → Chapter

3 -	ABS control unit -J104-

q	Fitting location with 26-pin connector -T26- → Chapter

q	Fitting location with 47-pin connector -T47- → Chapter

4 -	Power steering control unit -J500-

q	Fitting location → Chapter

5 -	Control unit for structure-borne sound -J869-

q	Fitting location → Chapter

6 -	Control unit for NOx sender -J583-

q	Fitting location → Chapter

7 -	Battery monitoring control unit -J367-

q	Fitting location → Chapter

8 -	Automatic glow period control unit -J179-

q	Fitting location → Chapter

9 -	Engine control unit -J623-

q	Fitting location with 60-pin connector -T60- / 94-pin connector -T94- → Chapter

q	Fitting location with 105-pin connector -T105- / 91-pin connector -T91- → Chapter

q	Fitting location with 80-pin connector -T80- → Chapter

10 -	Mechatronic unit for dual clutch gearbox -J743-

q	Fitting location with 20-pin connector -T20e- → Chapter

11 -	Automatic gearbox control unit -J217-

q	Fitting location: in plenum chamber → Chapter

q	Fitting location: in engine compartment → Chapter

12 -	Mechatronic unit for dual clutch gearbox -J743-

q	Fitting location with 25-pin connector -T25- → Chapter

13 -	Adaptive cruise control unit -J428-

q	Fitting location → Chapter

Overview of control units in front 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>

1 -	Power and control electronics for electric drive -JX1-

q	Fitting location → Chapter

2 -	Jump start connection -TV32-

q	Fitting location → Chapter

3 -	Three-phase current drive -VX54-

q	Fitting location → Chapter

4 -	Control unit for air conditioning compressor -J842-

q	In electrical air conditioner compressor -V470-

q	Fitting location → Chapter

Radiator fan control unit -J293- Fitting location Behind radiator

1 -	Radiator fan control unit -J293-

A -	4-pin connector -T4x-

B -	4-pin connector -T4x-

Connector assignment of radiator fan control unit -J293-

-T4x--A-	Designation		-T4x--B-	Designation
1	Terminal 30		1	Terminal 30
2	Terminal 87		2	Terminal 87
3	Fan speed, engine control unit -J623-		3	Fan speed, engine control unit -J623-
4	Terminal 31		4	Terminal 31

Back to overview → Chapter VW JETTA 2017 Auxiliary heater control unit J364 Auxiliary heater control unit -J364- Fitting location In front right wheel housing.

1 -	Auxiliary heater control unit -J364-

A -	8-pin connector -T8c-

B -	2-pin connector -T2fm-

Connector assignment of auxiliary heater control unit -J364-

-T8c--A-	Designation		-T2--B-	Designation
1	Heater control unit -J65-		1	Terminal 30
2	Remote control receiver for auxiliary coolant heater -R149-		2	Terminal 31
3	Heater control unit -J65-
4	CAN Low
5	Metering pump -V54-
6
7	CAN High
8	Auxiliary heater operation relay 2 -J1026-

Back to overview → Chapter VW JETTA 2017 Automatic glow period control unit J179 Automatic glow period control unit -J179- Fitting location In E-box

1 -	Automatic glow period control unit -J179-

A -	11-pin connector -T11a-

Connector assignment of automatic glow period control unit -J179-

-T11a--A-	Designation		-T11a--A-	Designation
1	Glow plug 1 -Q10-		7	Terminal 31
2	Glow plug 2 -Q11-		8
3	Glow plug 3 -Q12-		9	Engine control unit -J623-
4	Glow plug 4 -Q13-		10	Engine control unit -J623-
5			11	Fuse 26 on fuse holder B -SB26-
6	Fuel pump relay -J17-

Back to overview → Chapter VW JETTA 2017 ABS control unit J104 ABS control unit -J104- ABS control unit -J104- , 26-pin connector -T26- Fitting location On right on bulkhead

1 -	ABS control unit -J104-

A -	26-pin connector -T26-

Connector assignment of ABS control unit -J104-

-T26--A-	Designation		-T26--A-	Designation
1	Rear left speed sensor -G46-		14
2	Rear left speed sensor -G46-		15	Coding wire B
3	Traction control system switch -E132-		16	Terminal 54
4	Front right speed sensor -G45-		17	Coding wire A 1)
5	Front right speed sensor -G45-		18
6	Tyre Pressure Loss Indicator display button -E492-		19
7	Front left speed sensor -G47-		20	Terminal 15
8	Front left speed sensor -G47-		21	CAN Low
9			22	Coding wire A 1)
10			23	CAN High
11	Rear right speed sensor -G44-		24	Coding wire B
12	Rear right speed sensor -G44-		25
13			26	Terminal 31

1) Depending on equipment

Back to overview → Chapter ABS control unit -J104- , 47-pin connector -T47- Fitting location On right on bulkhead

1 -	ABS control unit -J104-

A -	47-pin connector -T47-

Connector assignment of ABS control unit -J104-

-T47--A-	Designation		-T47--A-	Designation		-T47--A-	Designation
1	Terminal 30		17			33	Front right speed sensor -G45-
2			18			34	Front right speed sensor -G45-
3			19			35	Tyre Pressure Loss Indicator display button -E492-
4			20			36	Rear left speed sensor -G46-
5	Vacuum sender -G608-1)		21			37	Rear left speed sensor -G46-
6			22			38	Terminal 54
7			23			39
8	Terminal 15		24			40	Vacuum sender -G608-1)
9			25			41	Vacuum sender -G608-1)
10			26			42	Rear right speed sensor -G44-
11			27			43	Rear right speed sensor -G44-
12	CAN High		28			44
13	CAN Low		29			45	Front left speed sensor -G47-
14			30			46	Front left speed sensor -G47-
15			31			47	Terminal 31
16			32	Terminal 30

1) Only models with hydraulic brake servo (HBS)

Back to overview → Chapter Control unit for NOx sender -J583- Fitting location Next to battery -A- .

1 -	Control unit for NOx sender -J583-

A -	5-pin connector -T5af-

Connector assignment of control unit for NOx sender -J583-

-T5af--A-	Designation
1	H1 - Positive connection, in Lambda wiring harness
2	83 - Earth connection 1, in front right wiring harness
3	E136 - Connection (CAN bus extended low), in engine compartment wiring harness
4	E135 - Connection (CAN bus extended high), in engine compartment wiring harness
5

Back to overview → Chapter VW JETTA 2017 Automatic gearbox control unit J217 Automatic gearbox control unit -J217- Automatic gearbox control unit -J217- , in plenum chamber Fitting location on right in plenum chamber.

1 -	Automatic gearbox control unit -J217-

A -	52-pin connector -T52-

Connector assignment of automatic gearbox control unit -J217- → Armature Back to overview → Chapter Automatic gearbox control unit -J217- , in engine compartment Fitting location on left in engine compartment

1 -	Automatic gearbox control unit -J217-

A -	52-pin connector -T52-

Connector assignment of automatic gearbox control unit -J217-

-T52--A-	Designation		-T52--A-	Designation		-T52--A-	Designation
1	Terminal 31		18	Solenoid valve 1 -N88- ...Solenoid valve 6 -N93- , Solenoid valve 9 -N282- , Solenoid valve 10 -N283-		35
2	Terminal 31		19			36	Multifunction switch -F125-
3	Terminal 30 / terminal 151)		20			37
4	Solenoid valve 1 -N88- ...Solenoid valve 6 -N93- , Solenoid valve 9 -N282- , Solenoid valve 10 -N283-		21	Multifunction switch -F125-		38	Gearbox oil temperature sender -G93- , gearbox input speed sender -G182- , gearbox output speed sender -G195- Solenoid valve 1 -N88- ...Solenoid valve 6 -N93-1) , solenoid valve 9 -N282-1) , solenoid valve 10 -N283-1)
5	Solenoid valve 1 -N88- ...Solenoid valve 6 -N93- , Solenoid valve 9 -N282- , Solenoid valve 10 -N283-		22	Multifunction switch -F125-		39	Gearbox oil temperature sender -G93- , gearbox input speed sender -G182- , gearbox output speed sender -G195- Solenoid valve 1 -N88- ...Solenoid valve 6 -N93-1) , solenoid valve 9 -N282-1) , solenoid valve 10 -N283-1)
6	Solenoid valve 1 -N88- ...Solenoid valve 6 -N93- , Solenoid valve 9 -N282- , Solenoid valve 10 -N283-		23			40	Selector lever sensors control unit -J587- , Tiptronic switch -F189-
7			24			41	Solenoid valve 1 -N88- ...Solenoid valve 6 -N93- , Solenoid valve 9 -N282- , Solenoid valve 10 -N283-
8	Gearbox oil temperature sender -G93- , gearbox input speed sender -G182- , gearbox output speed sender -G195- Solenoid valve 1 -N88- ...Solenoid valve 6 -N93-1) , solenoid valve 9 -N282-1) , solenoid valve 10 -N283-1)		25			42	Solenoid valve 1 -N88- ...Solenoid valve 6 -N93- , Solenoid valve 9 -N282- , Solenoid valve 10 -N283-
9	B590, K-diagnosis wire connection, in interior wiring harness		26			43	Solenoid valve 1 -N88- ...Solenoid valve 6 -N93- , Solenoid valve 9 -N282- , Solenoid valve 10 -N283-
10	Multifunction switch -F125-		27	Terminal 15 / terminal 301)		44	Solenoid valve 1 -N88- ...Solenoid valve 6 -N93- , Solenoid valve 9 -N282- , Solenoid valve 10 -N283-
11	Solenoid valve 1 -N88- ...Solenoid valve 6 -N93- , Solenoid valve 9 -N282- , Solenoid valve 10 -N283-		28	Terminal 15 / terminal 301)		45	Gearbox oil temperature sender -G93- , gearbox input speed sender -G182- , gearbox output speed sender -G195- Solenoid valve 1 -N88- ...Solenoid valve 6 -N93-1) , solenoid valve 9 -N282-1) , solenoid valve 10 -N283-1)
12			29	Selector lever sensors control unit -J587- , Tiptronic switch -F189-		46	CAN High
13			30	Solenoid valve 1 -N88- ...Solenoid valve 6 -N93- , Solenoid valve 9 -N282- , Solenoid valve 10 -N283-		47	Multifunction switch -F125-
14			31	Solenoid valve 1 -N88- ...Solenoid valve 6 -N93- , Solenoid valve 9 -N282- , Solenoid valve 10 -N283-		48	Selector lever sensors control unit -J587- , Tiptronic switch -F189- Multifunction switch -F125-1)
15	Solenoid valve 1 -N88- ...Solenoid valve 6 -N93-1) , solenoid valve 9 -N282-1) , solenoid valve 10 -N283-1)		32	Solenoid valve 1 -N88- ...Solenoid valve 6 -N93- , Solenoid valve 9 -N282- , Solenoid valve 10 -N283-		49	Selector lever sensors control unit -J587- , Tiptronic switch -F189-
16	Solenoid valve 1 -N88- ...Solenoid valve 6 -N93- , Solenoid valve 9 -N282- , Solenoid valve 10 -N283-		33			50	Gearbox oil temperature sender -G93- , gearbox input speed sender -G182- , gearbox output speed sender -G195- Solenoid valve 1 -N88- ...Solenoid valve 6 -N93-1) , solenoid valve 9 -N282-1) , solenoid valve 10 -N283-1)
17	Solenoid valve 1 -N88- ...Solenoid valve 6 -N93- , Solenoid valve 9 -N282- , Solenoid valve 10 -N283-		34	CAN Low		51	Gearbox oil temperature sender -G93- , gearbox input speed sender -G182- , gearbox output speed sender -G195- Solenoid valve 1 -N88- ...Solenoid valve 6 -N93-1) , solenoid valve 9 -N282-1) , solenoid valve 10 -N283-1)

1) Only models with engine codes CPKA, CPRA, CPLA, CPPA

Back to overview → Chapter Mechatronic unit for dual clutch gearbox -J743- Mechatronic unit for dual clutch gearbox -J743- , 25-pin connector Fitting location on left in engine compartment

1 -	Mechatronic unit for dual clutch gearbox -J743-

A -	25-pin connector -T25-

Connector assignment of mechatronic unit for dual clutch gearbox -J743-

-T25--A-	Designation		-T25--A-	Designation
1			14
2			15
3			16	U6, connection 2 in automatic gearbox wiring harness
4			17
5			18
6			19
7			20
8	Terminal 31		21
9	Terminal 30		22
10	Terminal 15		23
11	B590, K-diagnosis wire connection, in interior wiring harness		24	Terminal 31
12	CAN Low		25	Terminal 30
13	CAN High

Back to overview → Chapter Mechatronic unit for dual clutch gearbox -J743- , 20-pin connector Fitting location on left in engine compartment

1 -	Mechatronic unit for dual clutch gearbox -J743-

A -	20-pin connector -T20e-

Connector assignment of mechatronic unit for dual clutch gearbox -J743-

-T20e--A-	Designation		-T20e--A-	Designation
1	B590, K-diagnosis wire connection, in interior wiring harness		11	Terminal 30
2			12
3			13	Terminal 15
4			14
5			15	CAN Low
6			16	Terminal 31
7			17	U6, connection 2 in automatic gearbox wiring harness
8			18	Terminal 30
9			19	Terminal 31
10	CAN High		20

Back to overview → Chapter Control unit for structure-borne sound -J869- Fitting location on right in plenum chamber.

1 -	Control unit for structure-borne sound -J869-

A -	12-pin connector -T12k-

Connector assignment of control unit for structure-borne sound -J869-

-T12k--A-	Designation		-T12k--A-	Designation
1	Terminal 15		7	Actuator for structure-borne sound -R214-
2	Terminal 31		8	Actuator for structure-borne sound -R214-
3			9
4			10
5			11
6	CAN Low		12	CAN High

Back to overview → Chapter VW JETTA 2017 Power steering control unit J500 Power steering control unit -J500- Fitting location On steering box.

1 -	Power steering control unit -J500-

q	with steering angle sender -G85-

q	with steering moment sender -G269-

A -	3-pin connector -T3-

B -	2-pin connector -T2a-

C -	5-pin connector -T5l-

Connector assignment of power steering control unit -J500-

-T3--A-	Designation		-T2a--B-	Designation		-T5l--C-	Designation
1	CAN Low		1	Terminal 31		1	Steering angle sender -G85- /steering moment sender -G269-
2	CAN High		2	Terminal 30		2	Steering angle sender -G85- /steering moment sender -G269-
3	Terminal 15					3	Steering angle sender -G85- /steering moment sender -G269-
						4	Steering angle sender -G85- /steering moment sender -G269-
						5	Steering angle sender -G85- /steering moment sender -G269-

Back to overview → Chapter VW JETTA 2017 Engine control unit J623 Engine control unit -J623- Engine control unit -J623- , 105-pin/91-pin connector Fitting location In engine compartment next to E-box.

1 -	Engine control unit -J623-

A -	105-pin connector -T105-

B -	91-pin connector -T91-

Back to overview → Chapter Engine control unit -J623- , 94-pin/60-pin connector Fitting location In engine compartment next to E-box.

1 -	Engine control unit -J623-

A -	60-pin connector -T60-

B -	94-pin connector -T94-

Back to overview → Chapter Engine control unit -J623- , 80-pin connector Fitting location In engine compartment next to E-box.

1 -	Engine control unit -J623-

A -	80-pin connector -T80-

B -	80-pin connector -T80-

Back to overview → Chapter Battery monitoring control unit -J367- Fitting location On battery negative terminal.-A- .   Note In models with battery -A- in luggage compartment ⇒ fitting locations: Control units in rear part of vehicle.

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 → Chapter VW JETTA 2017 Adaptive cruise control unit J428 Adaptive cruise control unit -J428- Fitting location At front of vehicle.

1 -	Adaptive cruise control unit -J428-

A -	8-pin connector -T8-

Connector assignment of adaptive cruise control unit -J428-

-T8--A-	Designation		-T8--A-	Designation
1	Terminal 31		5
2	CAN.High		6
3	CAN Low		7
4			8	Terminal 15

Back to overview → Chapter VW JETTA 2017 Power and control electronics for electric drive JX1 Power and control electronics for electric drive -JX1- Fitting location on left in engine compartment

<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>

1 -	Power and control electronics for electric drive -JX1-

2 -	Earth strap, battery - body -1-

3 -	High-voltage wire for hybrid battery, negative terminal -P2-

4 -	High-voltage wire for hybrid battery, positive terminal -P1-

5 -	High-voltage wire for electrical air conditioner compressor -P3-

6 -	High-voltage wiring harness for drive motor -PX2- , High-voltage wire 1 for drive motor -P4-

7 -	High-voltage wiring harness for drive motor -PX2- , High-voltage wire 2 for drive motor -P5-

8 -	High-voltage wiring harness for drive motor -PX2- , High-voltage wire 3 for drive motor -P6-

9 -	Earth wire on C1 (wire LE -)

10 -	Positive wire on B1 (wire LE +)

A -	28-pin connector -T28jx-

Back to overview → Chapter VW JETTA 2017 Jump start connection TV32 Jump start connection -TV32- Fitting location In the e-box, in engine compartment.

-	Jump start connection -TV32- , on E-box, -arrow-

Back to overview → Chapter VW JETTA 2017 Three-phase current drive VX54 Three-phase current drive -VX54- Fitting location Between combustion engine and gearbox.

<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>

1 -	Three-phase current drive -VX54-

2 -	2-pin connector -T2vx- For pilot line

3 -	High-voltage wire 3 for drive motor -P6-

4 -	High-voltage wire 2 for drive motor -P5-

5 -	High-voltage wire 1 for drive motor -P4-

6 -	2-pin connector -T2va- for drive motor temperature sender -G712-

7 -	4-pin connector -T4vx- for drive motor rotor position sender 1 -G713-

q	Fitting location and pin assignment

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<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>

-	Three-phase current drive -VX54--arrow- , High-voltage wiring harness for drive motor -PX2-

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Drive motor rotor position sender 1 -G713- :

-	Drive motor rotor position sender 1 -G713--1 - 4-

q	4-pin connector -T4vx-

Back to overview → Chapter VW JETTA 2017 Control unit for air conditioning compressor J842 Control unit for air conditioning compressor -J842- Fitting location In electrical air conditioning compressor -V470-

<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>

1 -	Electrical air conditioner compressor -V470-

q	with control unit for air conditioning compressor -J842-

A -	4-pin connector -T4bk-

B -	8-pin connector -T8ay-

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