VW JETTA 2014

Wiring Diagram VW JETTA 2014 - Data bus diagnostic interface - Radio

J519	Onboard supply control unit
J527	Steering column electronics control unit
J533	Data bus diagnostic interface
R	Radio
SB13	Fuse 13 on fuse holder B
T8j	8-pin connector
T16	16-pin connector
T16l	16-pin connector
T20	20-pin connector
T52b	52-pin connector
U31	Diagnostic connection
255	Earth connection 1, in radio wiring harness

A19	Connection (58d), in dash panel wiring harness
A219	Connection (S contact), in main wiring harness
B415	Connection 1 (infotainment CAN bus, high), in main wiring harness
B421	Connection 1 (infotainment CAN bus, low), in main wiring harness
B750	Connection 1 (CAN bus, displays and controls, high)
B751	Connection 1 (CAN bus, displays and controls, low)
*	Only models with "High" equipment (AW1)
*2	Only models with no entry and start authorisation

Wiring Diagram VW JETTA 2014 - Radio - Rear right treble loudspeaker - Rear right bass loudspeaker - Front right treble loudspeaker - Front right bass loudspeaker

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R	Radio
R16	Rear right treble loudspeaker
R17	Rear right bass loudspeaker
R22	Front right treble loudspeaker
R23	Front right bass loudspeaker
T2ay	2-pin connector
T2tg	2-pin connector
T4az	4-pin connector
T4be	4-pin connector
T8ao	8-pin connector
T28a	28-pin connector
T28c	28-pin connector
B103	Connection (positive, front right speaker), in main wiring harness
B104	Connection (negative, front right speaker), in main wiring harness
*	According to equipment

Wiring Diagram VW JETTA 2014 - Radio - Rear left treble loudspeaker - Rear left bass loudspeaker - Front left treble loudspeaker - Front left bass loudspeaker

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R	Radio
R14	Rear left treble loudspeaker
R15	Rear left bass loudspeaker
R20	Front left treble loudspeaker
R21	Front left bass loudspeaker
T2ax	2-pin connector
T2te	2-pin connector
T4ay	4-pin connector
T4bd	4-pin connector
T8ao	8-pin connector
T28	28-pin connector
T28b	28-pin connector
B101	Connection (positive, front left speaker), in main wiring harness
B102	Connection (negative, front left speaker), in main wiring harness
*	According to equipment

Wiring Diagram VW JETTA 2014 - Onboard supply control unit - Radio - Aerial - Right aerial module - Frequency modulation (FM) frequency filter in negative wire - Frequency modulation (FM) frequency filter in positive wire - Heated rear window

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J9	Heated rear window relay
J519	Onboard supply control unit
R	Radio
R11	Aerial
R109	Right aerial module
R178	Frequency modulation (FM) frequency filter in negative wire
R179	Frequency modulation (FM) frequency filter in positive wire
T5c	5-pin connector
T73b	73-pin connector
Z1	Heated rear window
75	Earth point, rear right pillar
657	Earth point 1, on left near rear window
B180	Connection (heated rear window), in interior wiring harness

VW JETTA 2014 Overview of control units in middle part of vehicle

Overview of control units in middle part of vehicle

Note:

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

VW JETTA 2014 Overview of control units in middle part of vehicle

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q	Fitting location, AW1

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

q	Fitting location

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

q	Fitting location

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

q	Fitting location

q	Fitting location, AW1

q	Fitting location, on glove compartment

q	Fitting location, AW1

q	Fitting location, AW1

q	Fitting location, AW1

q	Fitting location, 75-pin connector

q	Fitting location, 100-pin connector

Airbag control unit -J234-

Airbag control unit -J234- , 50-pin connector

Fitting location

On centre tunnel.

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1 -	Airbag control unit -J234-

A -	50-pin connector -T50-

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Airbag control unit -J234- , 75-pin connector

Fitting location

On centre tunnel.

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1 -	Airbag control unit -J234-

A -	75-pin connector -T75-

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Airbag control unit -J234- , 100-pin connector

Fitting location

On centre tunnel.

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1 -	Airbag control unit -J234-

A -	100-pin connector -T100-

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Sliding sunroof adjustment control unit -J245-

Fitting location

In roof at front.

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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

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VW JETTA 2014 Control unit in dash panel insert J285

Control unit in dash panel insert -J285-

Fitting location

in the dash panel.

VW JETTA 2014 Control unit in dash panel insert J285

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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-

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VW JETTA 2014 Data bus diagnostic interface J533

Data bus diagnostic interface -J533-

Fitting location

below the dash panel.

VW JETTA 2014 Data bus diagnostic interface J533

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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

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VW JETTA 2014 Fresh air blower control unit J126

Fresh air blower control unit -J126-

Fitting location

Under dash panel, front passenger side

VW JETTA 2014 Fresh air blower control unit J126

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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

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

Fitting location

Under front passenger seat.

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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

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VW JETTA 2014 Multifunction steering wheel control unit J453

Multifunction steering wheel control unit -J453-

Fitting location

in multifunction steering wheel

VW JETTA 2014 Multifunction steering wheel control unit J453

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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

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VW JETTA 2014 Heated front seats control unit J774

Heated front seats control unit -J774-

Fitting location

Under driver seat.

VW JETTA 2014 Heated front seats control unit J774

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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-

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VW JETTA 2014 Steering column electronics control unit J527

Steering column electronics control unit -J527-

Fitting location

On steering column.

VW JETTA 2014 Steering column electronics control unit J527

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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

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VW JETTA 2014 Control unit for electronic steering column lock J764

Control unit for electronic steering column lock -J764-

Fitting location

On steering column.

VW JETTA 2014 Control unit for electronic steering column lock J764

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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

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VW JETTA 2014 Amplifier R12

Amplifier -R12-

Fitting location

Under driver seat.

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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

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VW JETTA 2014 Telephone transmitter and receiver unit R36

Telephone transmitter and receiver unit -R36-

Fitting location

Under front passenger seat.

VW JETTA 2014 Telephone transmitter and receiver unit R36

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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

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VW JETTA 2014 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

VW JETTA 2014 Multimedia system control unit J650

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1 -	Multimedia system control unit -J650-

A -	12-pin connector -T12h-

Connector assignment of multimedia system control unit -J650- .

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Multimedia system control unit -J650- , on glove compartment

Fitting location

On glove compartment

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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

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VW JETTA 2014 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

VW JETTA 2014 Mobile telephone operating electronics control unit J412

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1 -	Mobile telephone operating electronics control unit -J412-

A -	54-pin connector -T54a-

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

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Mobile telephone operating electronics control unit -J412- , on glove compartment

Fitting location

On glove compartment

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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

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VW JETTA 2014 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.

VW JETTA 2014 Control unit for cornering light and headlight range control J745

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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

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VW JETTA 2014

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

Note:

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

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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-

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VW JETTA 2014 Voltage stabilizer J532

Voltage stabilizer -J532-

Fitting location

below the dash panel.

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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

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VW JETTA 2014 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

VW JETTA 2014 Parking aid control unit J446

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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

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VW JETTA 2014 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.

VW JETTA 2014 Heater and air conditioning system control unit

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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

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Climatronic control unit -J255-

Fitting location

in the dash panel.

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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

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Air conditioning system control unit -J301-

Fitting location

in the dash panel.

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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

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Driver door control unit -J386-

Driver door control unit -J386- , AW0

Fitting location

Behind door trim.

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1 -	Driver door control unit -J386-

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

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Driver door control unit -J386- , AW1

Fitting location

Behind door trim.

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1 -	Driver door control unit -J386-

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-

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Front passenger door control unit -J387-

Front passenger door control unit -J387- , AW0

Fitting location

Behind door trim.

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1 -	Front passenger door control unit -J387-

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

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Front passenger door control unit -J387- , AW1

Fitting location

Behind door trim.

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1 -	Front passenger door control unit -J387-

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-

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Rear left door control unit -J388-

Rear left door control unit -J388- , AW0

Fitting location

Behind door trim.

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1 -	Rear left door control unit -J388-

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

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Rear left door control unit -J388- , AW1

Fitting location

Behind door trim.

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1 -	Rear left door control unit -J388-

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-

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Rear right door control unit -J389-

Rear right door control unit -J389- , AW0

Fitting location

Behind door trim.

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1 -	Rear right door control unit -J389-

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

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Rear right door control unit -J389- , AW1

Fitting location

Behind door trim.

Get access to all wiring diagrams of the car

1 -	Rear right door control unit -J389-

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-

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Onboard supply control unit -J519-

Onboard supply control unit -J519- , AW0

Fitting location

below the dash panel.

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1 -	Onboard supply control unit -J519-

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

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Onboard supply control unit -J519- , AW1

Fitting location

below the dash panel.

Get access to all wiring diagrams of the car

1 -	Onboard supply control unit -J519-

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-

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Entry and start authorisation control unit -J518-

Fitting location

below the dash panel.

Get access to all wiring diagrams of the car

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-

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VW JETTA 2014 Emergency call module control unit and communication unit J949

Emergency call module control unit and communication unit -J949-

Fitting location

Under front passenger seat.

VW JETTA 2014 Emergency call module control unit and communication unit J949

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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

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VW JETTA 2014 Fuel pump control unit J538

Fuel pump control unit -J538-

Fitting location

Under rear right seat.

VW JETTA 2014 Fuel pump control unit J538

Get access to all wiring diagrams of the car

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

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VW JETTA 2014 Seat occupied recognition control unit J706

Seat occupied recognition control unit -J706-

Fitting location

Under front passenger seat.

VW JETTA 2014 Seat occupied recognition control unit J706

Get access to all wiring diagrams of the car

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-

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VW JETTA 2014 Exhaust flap control unit J883

Exhaust flap control unit -J883-

Fitting location

In centre tunnel.

VW JETTA 2014 Exhaust flap control unit J883

Get access to all wiring diagrams of the car

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 -

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VW JETTA 2014 Overview of fuse holders

Overview of fuse holders

Note:

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

Get access to all wiring diagrams of the car

q	Fitting location, Hybrid

q	Fuse assignment, from July 2014

q	Fuse assignment, hybrid, from September 2014

q	Fuse assignment, from July 2014

q	Fuse assignment, from July 2015

q	Fitting location right-hand drive

q	Fuse assignment, from July 2014

q	Fuse assignment from July 2015

q	Fuse assignment, from July 2014

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

q	Fitting location

q	Fuse assignment, hybrid, from September 2014

VW JETTA 2014 Fitting location, fuse holder A SA

Fitting location, fuse holder A -SA-

Get access to all wiring diagrams of the car

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.

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Fitting location of fuse holder A -SA- , hybrid

Get access to all wiring diagrams of the car

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.

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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

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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	-		-

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Fitting location of fuse holder B -SB-

Note:

The fitting locations are identical on LHD and RHD models.

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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

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VW JETTA 2014

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 A^5),7) 10 A^2),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 A^3),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 A^7),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 A^7),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

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VW JETTA 2014

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 A^5),7) 10 A^2),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 A^3),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 A^7),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 A^7),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 2014 Fitting location of fuse holder C SC

Fitting location of fuse holder C -SC-

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

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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

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

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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

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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

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VW JETTA 2014

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)

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VW JETTA 2014

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

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1 -	Relay and fuse carrier

F1 -	Driver seat adjustment thermal fuse 1 -S44-

F2 -	Not assigned

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VW JETTA 2014

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

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VW JETTA 2014 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

VW JETTA 2014 Fitting location of fuses in fuse holder S

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

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

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VW JETTA 2014

Fuse assignment, fuses in fuse holder -S- , hybrid from September 2014

Slot

Current flow diagram designation

Nominal value

Function/component

Terminal

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

175 A

508 Threaded connection (30), on E-box

t	Supply for fuse holder A -SA-

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

80 A

Supply for fuse holder C -SC-

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VW JETTA 2014 Coupling point in engine compartment, left

Coupling point in engine compartment, left

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B -	8-pin connector -T8i-

D -	10-pin connector -T10g-

E -	10-pin connector -T10aa-

F -	4-pin connector -T4t-

G -	8-pin connector -T8l-

Coupling point in interior, centre

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Coupling point on front left door

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Coupling point on front right door

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Diagnostic connection -U31-

Diagnostic connection -U31- , left-hand drive models

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Diagnostic connection -U31- , right-hand drive models

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A -	16-pin connector -T16-

Coupling point for front left seat

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B -	3-pin connector -T3ar-

D -	10-pin connector -T10c-

Coupling point for front right seat

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B -	3-pin connector -T3l-

D -	2-pin connector -T2bc-

Coupling point on rear left door

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Coupling point on rear right door

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Coupling point in luggage compartment, right

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VW JETTA 2014 Overview of earth points at front

Overview of earth points at front

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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

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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

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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

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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

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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 2014 Overview of relay carriers

Overview of relay carriers

Note:

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

VW JETTA 2014 Overview of relay carriers

Get access to all wiring diagrams of the car

1 -	Relay carrier on E-box

q	on left in engine compartment

t	Vacuum pump relay -J57-

t	Automatic glow period control unit -J179-

t	Main relay -J271-

t	Secondary air pump relay -J299-

t	Low heat output relay -J359-

t	High heat output relay -J360-

t	Wiper motor relay 1 -J368-

t	Wiper motor relay 2 -J369-

t	Additional coolant pump relay -J496-

t	Engine component current supply relay -J757-

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

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

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

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

2 -	Relay carrier on onboard supply control unit

q	Under dash panel on driver's side

t	Terminal 75 voltage supply relay 1 -J680-

t	Starter relay 2 -J907-

t	Auxiliary heater operation relay -J485-

t	Isolation relay for powertrain CAN bus -J788-

t	Heated rear window relay -J9-

t	Converter box -J935-

t	Auxiliary heater operation relay 2 -J1026-

t	Starter relay 1 -J906-

t	Relay for reducing agent metering system -J963-

t	Fuel pump relay -J17-

t	Secondary air pump relay -J299-

t	Cold start device relay -J41-

t	Heater element relay -J925-

t	Terminal 15 voltage supply relay -J329-

t	Dual tone horn relay -J4-

t	Headlight washer system relay -J39-

t	Electric fuel pump 2 relay -J49-

t	Fan enabling relay -J937-

t	Alarm horn relay -J641-

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

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

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

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

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

Note:

t	The architecture of the electrical equipment of the Jetta is recognized according to the assignment of the E-box.

t	When slots R1 and R2 are vacant it is an E-box low, equipment level low (AW0).

t	When slots R1 and R2 are occupied it is an E-box high, equipment level high (AW1).

Fitting locations and relay assignment, E-box

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

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1 -	Relay and fuse carrier

R1 -	Not assigned

R2 -	Not assigned

R3 -	Main relay -J271-

(644)

R4 -	Engine component current supply relay -J757-

(645)

q	According to equipment

R4 -	Low heat output relay -J359-

(644)

q	According to equipment

R5 -	Secondary air pump relay -J299-

(644)

q	According to equipment

R5 -	High heat output relay -J360-

(644)

q	According to equipment

R6 -	Automatic glow period control unit -J179-

q	(457, 508)

q	According to equipment

R6 -	Vacuum pump relay -J57-

(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).

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

Get access to all wiring diagrams of the car

1 -	Relay and fuse carrier

R1 -	Wiper motor relay 1 -J368-

(646)

R2 -	Wiper motor relay 2 -J369-

(646)

R3 -	Main relay -J271-

(644)

R3 -	Terminal 30 voltage supply relay -J317-

(644)

R4 -	Engine component current supply relay -J757-

(645)

q	According to equipment

R4 -	Low heat output relay -J359-

(645)

R4 -	Additional coolant pump relay -J496-

(645)

q	According to equipment

R5 -	High heat output relay -J360-

(644)

R5 -	Secondary air pump relay -J299-

(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).

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

Get access to all wiring diagrams of the car

1 -	Relay and fuse carrier

R1 -	Wiper motor relay 1 -J368-

(646)

R2 -	Wiper motor relay 2 -J369-

(646)

R3 -	Main relay -J271-

(644)

R4 -	Low heat output relay -J359-

(644)

R5 -	High heat output relay -J360-

(644)

R6 -	Vacuum pump relay -J57-

q	Without auxiliary air heater (PTC)

(645)

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

Get access to all wiring diagrams of the car

1 -	Relay and fuse carrier

R1 -	Wiper motor relay 1 -J368-

(646)

R2 -	Wiper motor relay 2 -J369-

(646)

R3 -	Main relay -J271-

(644)

R4 -	Not assigned

R5 -	Not assigned

R6 -	Not assigned

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VW JETTA 2014 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

Get access to all wiring diagrams of the car

1 -	Relay carrier

R1 -	Terminal 75 voltage supply relay 1 -J680-

(644)

(645)

R2 -	Starter relay 2 -J907-

(507)

R3 -	Auxiliary heater operation relay -J485-

(645)

R4 -	Isolation relay for powertrain CAN bus -J788-

(524)

R5 -	Converter box -J935-

(500)

R5 -	Auxiliary heater operation relay 2 -J1026-

(646)

q	According to equipment

R6 -	Not assigned

R7 -	Starter relay 1 -J906-

(645)

R8 -	Relay for reducing agent metering system -J963-

(646)

q	According to equipment

R9 -	Terminal 15 voltage supply relay -J329-

(645)

R10 -

Not assigned

R11 -

Fuel pump relay -J17-

(646)

R11 -

Engine component current supply relay -J757-

(646)

R1A -

Not assigned

R2A -

Alarm horn relay -J641-

(646)

R3A -

Not assigned

Back to overview

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

Get access to all wiring diagrams of the car

1 -	Relay carrier

R1 -	Terminal 75 voltage supply relay 1 -J680-

(644)

(645)

R2 -	Starter relay 2 -J907-

(507)

R3 -	Auxiliary heater operation relay -J485-

(645)

R4 -	Not assigned

R5 -	Heated rear window relay -J9-

(646)

q	Relay socket 5/1

R5 -	Auxiliary heater operation relay 2 -J1026-

(646)

q	Relay socket 5/2

q	for models with diesel engine only

R6 -	Not assigned

R7 -	Starter relay 1 -J906-

(645)

R8 -	Electric fuel pump 2 relay -J49-

(646)

q	According to equipment

R8 -	Secondary air pump relay -J299-

(644)

q	According to equipment

R8 -	Cold start device relay -J41-

(645)

q	According to equipment

R8 -	Heater element relay -J925-

(646)

q	According to equipment

R9 -	Terminal 15 voltage supply relay -J329-

(645)

R10 -

Dual tone horn relay -J4-

(646)

q	Relay socket 10/1

R10 -

Headlight washer system relay -J39-

(646)

q	Relay socket 10/2

q	Only applies to models with headlight washer system

R11 -

Fuel pump relay -J17-

(646)

R11 -

Engine component current supply relay -J757-

(646)

R1A -

Not assigned

R2A -

Fan enabling relay -J937-

(646)

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

R3A -

Not assigned

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

Get access to all wiring diagrams of the car

1 -	Relay carrier

R1 -	Dual tone horn relay -J4-

(646)

R1 -	Headlight washer system relay -J39-

(646)

R2 -	Starter relay 2 -J907-

(507)

R3 -	Electric fuel pump 2 relay -J49-

(646)

q	According to equipment

R3 -	Heater element relay -J925-

(646)

q	According to equipment

R4 -	Not assigned

R5 -	Fuel pump relay -J17-

(646)

q	Relay socket 5/1

R5 -	Engine component current supply relay -J757-

(646)

q	Relay socket 5/2

R6 -	Starter relay 1 -J906-

(645)

R7 -	Auxiliary heater operation relay 2 -J1026-

(646)

R8 -	Heated rear window relay -J9-

(646)

R9 -	Terminal 15 voltage supply relay -J329-

(645)

R10 -

Terminal 75 voltage supply relay 1 -J680-

(644)

(645)

R11 -

Auxiliary heater operation relay -J485-

(645)

R12 -

Not assigned

Back to overview

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

Get access to all wiring diagrams of the car

1 -	Relay carrier

R1 -	Terminal 75 voltage supply relay 1 -J680-

(644)

(645)

R2 -	Starter relay 2 -J907-

(507)

R3 -	Auxiliary heater operation relay -J485-

(645)

R4 -	Isolation relay for powertrain CAN bus -J788-

(524)

R5 -	Converter box -J935-

(500)

R5 -	Auxiliary heater operation relay 2 -J1026-

(646)

q	According to equipment

R6 -	Magnetic clutch relay -J44-

(525)

q	Relay socket 6/2

q	According to equipment

R7 -	Starter relay 1 -J906-

(645)

R8 -	Relay for reducing agent metering system -J963-

(646)

q	According to equipment

R9 -	Terminal 15 voltage supply relay -J329-

(645)

R10 -

Not assigned

R11 -

Fuel pump relay -J17-

(646)

R11 -

Engine component current supply relay -J757-

(646)

R1A -

Not assigned

R2A -

Alarm horn relay -J641-

(646)

R3A -

Not assigned

Back to overview

VW JETTA 2014 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

Get access to all wiring diagrams of the car

1 -	Relay carrier

R1 -	Terminal 75 voltage supply relay 1 -J680-

(644)

(645)

R2 -	Starter relay 2 -J907-

(507)

R3 -	Auxiliary heater operation relay -J485-

(645)

R4 -	Not assigned

R5 -	Heated rear window relay -J9-

(646)

q	Relay socket 5/1

R5 -	Auxiliary heater operation relay 2 -J1026-

(646)

q	Relay socket 5/2

q	for models with diesel engine only

R6 -	Magnetic clutch relay -J44-

(525)

q	Relay socket 6/2

q	According to equipment

R7 -	Starter relay 1 -J906-

(645)

R8 -	Electric fuel pump 2 relay -J49-

(646)

q	According to equipment

R8 -	Secondary air pump relay -J299-

(644)

q	According to equipment

R8 -	Cold start device relay -J41-

(645)

q	According to equipment

R8 -	Heater element relay -J925-

(646)

q	According to equipment

R9 -	Terminal 15 voltage supply relay -J329-

(645)

R10 -

Dual tone horn relay -J4-

(646)

q	Relay socket 10/1

R10 -

Headlight washer system relay -J39-

(646)

q	Relay socket 10/2

q	Only applies to models with headlight washer system

R11 -

Fuel pump relay -J17-

(646)

R11 -

Engine component current supply relay -J757-

(646)

R1A -

Not assigned

R2A -

Fan enabling relay -J937-

(646)

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

R3A -

Not assigned

Back to overview

VW JETTA 2014 – Radio system, (8DU),(I6F),(I6Q) . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW JETTA 2014 - Data bus diagnostic interface - Radio

Wiring Diagram VW JETTA 2014 - Radio - Rear right treble loudspeaker - Rear right bass loudspeaker - Front right treble loudspeaker - Front right bass loudspeaker

Wiring Diagram VW JETTA 2014 - Radio - Rear left treble loudspeaker - Rear left bass loudspeaker - Front left treble loudspeaker - Front left bass loudspeaker

Wiring Diagram VW JETTA 2014 - Onboard supply control unit - Radio - Aerial - Right aerial module - Frequency modulation (FM) frequency filter in negative wire - Frequency modulation (FM) frequency filter in positive wire - Heated rear window

VW JETTA 2014 Overview of control units in middle part of vehicle

VW JETTA 2014 Control unit in dash panel insert J285

VW JETTA 2014 Data bus diagnostic interface J533

VW JETTA 2014 Fresh air blower control unit J126

VW JETTA 2014

VW JETTA 2014 Multifunction steering wheel control unit J453

VW JETTA 2014 Heated front seats control unit J774

VW JETTA 2014 Steering column electronics control unit J527

VW JETTA 2014 Control unit for electronic steering column lock J764

VW JETTA 2014 Amplifier R12

VW JETTA 2014 Telephone transmitter and receiver unit R36

VW JETTA 2014 Multimedia system control unit J650

VW JETTA 2014 Mobile telephone operating electronics control unit J412

VW JETTA 2014 Control unit for cornering light and headlight range control J745

VW JETTA 2014

VW JETTA 2014 Voltage stabilizer J532

VW JETTA 2014 Parking aid control unit J446

VW JETTA 2014 Heater and air conditioning system control unit

VW JETTA 2014 Emergency call module control unit and communication unit J949

VW JETTA 2014 Fuel pump control unit J538

VW JETTA 2014 Seat occupied recognition control unit J706

VW JETTA 2014 Exhaust flap control unit J883

VW JETTA 2014 Overview of fuse holders

VW JETTA 2014 Fitting location, fuse holder A SA

VW JETTA 2014

VW JETTA 2014

VW JETTA 2014 Fitting location of fuse holder C SC

VW JETTA 2014

VW JETTA 2014

VW JETTA 2014

VW JETTA 2014 Fitting location of fuses in fuse holder S

VW JETTA 2014

VW JETTA 2014 Coupling point in engine compartment, left

VW JETTA 2014 Overview of earth points at front

VW JETTA 2014 Overview of relay carriers

VW JETTA 2014 Fitting locations and relay assignment: relay carrier under dash panel

VW JETTA 2014 Fitting locations and relay assignment, left-hand drive models (E-Box high), from July 2015

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