VW JETTA 2008 – Current supply . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW JETTA 2008 - Positive connection (15) - in dash panel wiring harness - Positive connection (58) - in dash panel wiring harness

D	Ignition/starter switch
E18	Rear fog light switch
J17	Fuel pump relay
J234	Airbag control unit
J519	Onboard supply control unit
SC3	Fuse 3 on fuse holder C
SC5	Fuse 5 on fuse holder C
SC9	Fuse 9 on fuse holder C
SC11	Fuse 11 on fuse holder C
SC29	Fuse 29 on fuse holder C
T8	8-pin connector
T17	17-pin connector
T75	75-pin connector
A2	Positive connection (15), in dash panel wiring harness
A3	Positive connection (58), in dash panel wiring harness
*	From May 2007

Wiring Diagram VW JETTA 2008 - Positive connection (58b) - in dash panel wiring harness

E20	Switch and instrument illumination regulator
E256	TCS and ESP button
J285	Control unit in dash panel insert
L16	Fresh air regulator illumination bulb
L39	Heated rear window switch illumination bulb
L53	Window regulator switch illumination bulb
L67	Dash panel left vent illumination bulb
L68	Dash panel central vent illumination
L69	Dash panel right vent illumination bulb
T3c	3-pin connector
T4e	4-pin connector
T5f	5-pin connector
T5g	5-pin connector
T6f	6-pin connector
T6q	6-pin connector
T8b	8-pin connector
T10j	10-pin connector
T10l	10-pin connector
T10t	10-pin connector
T10u	10-pin connector
T32	32-pin connector
A4	Positive connection (58b), in dash panel wiring harness
*	Up to April 2007
*2	From May 2007
*3	Only models with electric window regulators

Wiring Diagram VW JETTA 2008 - Positive connection (58b) - in dash panel wiring harness

E1	Light switch
E3	Hazard warning light switch
E198	Front passenger side interior locking switch
E204	Tank filler flap remote release switch
J255	Climatronic control unit
J393	Convenience system central control unit
L28	Cigarette lighter illumination bulb
R	Radio
T4b	4-pin connector
T5l	5-pin connector
T5q	5-pin connector
T8a	8-pin connector
T8d	8-pin connector
T10k	10-pin connector
T10l	10-pin connector
T12e	12-pin connector
T17	17-pin connector
T17a	17-pin connector
T23	23-pin connector
A4	Positive connection (58b), in dash panel wiring harness
*	From May 2007
*2	From April 2009
*3	Only models with electric window regulators
*4	Up to April 2007
*5	Up to March 2009

Wiring Diagram VW JETTA 2008 - Positive connection (right turn signal) - in dash panel wiring harness

E2	Turn signal switch
E3	Hazard warning light switch
J1	Turn signal relay
J285	Control unit in dash panel insert
J393	Convenience system central control unit
M7	Front right turn signal bulb
M8	Rear right turn signal bulb
M19	Right turn signal repeater bulb
T4n	4-pin connector
T5i	5-pin connector
T6b	6-pin connector
T8d	8-pin connector
T10c	10-pin connector
T12	12-pin connector
T15	15-pin connector
T32	32-pin connector
A5	Positive connection (right turn signal), in dash panel wiring harness
*	From May 2007
*2	Up to April 2007
*3	Only models with anti-theft alarm system (DWA) and anti-theft alarm system horn

Wiring Diagram VW JETTA 2008 - Positive connection (left turn signal) - in dash panel wiring harness

E2	Turn signal switch
E3	Hazard warning light switch
J1	Turn signal relay
J285	Control unit in dash panel insert
J393	Convenience system central control unit
M5	Front left turn signal bulb
M6	Rear left turn signal bulb
M8	Rear right turn signal bulb
M18	Left turn signal repeater bulb
T4m	4-pin connector
T5h	5-pin connector
T6a	6-pin connector
T8d	8-pin connector
T10b	10-pin connector
T12	12-pin connector
T15	15-pin connector
T32	32-pin connector
A6	Positive connection (left turn signal), in dash panel wiring harness
*	From May 2007
*2	Up to April 2007
*3	Only models with anti-theft alarm system (DWA) and anti-theft alarm system horn

Wiring Diagram VW JETTA 2008 - Connection (door contact switch) - in dash panel wiring harness - Connection (54) - in dash panel wiring harness

F47	Brake pedal switch
F220	Driver side central locking lock unit
J17	Fuel pump relay
J104	ABS control unit
J220	Motronic control unit
J248	Diesel direct injection system control unit
J285	Control unit in dash panel insert
J393	Convenience system central control unit
J519	Onboard supply control unit
J623	Engine control unit
T4y	4-pin connector
T5i	5-pin connector
T8g	8-pin connector
T10k	10-pin connector
T23	23-pin connector
T24	24-pin connector
T32	32-pin connector
T47a	47-pin connector
T80	80-pin connector
T121	121-pin connector
A13	Connection (door contact switch), in dash panel wiring harness
A18	Connection (54), in dash panel wiring harness
*	From May 2007
*2	Up to April 2007

Wiring Diagram VW JETTA 2008 - Positive connection (15a) - in dash panel wiring harness

E45	Cruise control system switch
E159	Fresh air and air recirculation flap switch
F36	Clutch pedal switch
F47	Brake pedal switch
G65	High-pressure sender
J89	Daytime running lights changeover relay
J255	Climatronic control unit
J293	Radiator fan control unit
R	Radio
SC5	Fuse 5 on fuse holder C
T3e	3-pin connector
T4e	4-pin connector
T4q	4-pin connector
T4y	4-pin connector
T8a	8-pin connector
T8b	8-pin connector
T10j	10-pin connector
T10s	10-pin connector
T14	14-pin connector
T16	16-pin connector
T16c	16-pin connector
T17a	17-pin connector
A20	Positive connection (15a), in dash panel wiring harness
*	From July 2008
*2	Up to April 2007
*3	Only models with front heater
*4	Only models with air conditioning system
*5	From May 2007

Wiring Diagram VW JETTA 2008 - Connection (86s) - in dash panel wiring harness - Connection (30al) - in dash panel wiring harness

J285	Control unit in dash panel insert
R	Radio
SC10	Fuse 10 on fuse holder C
SC42	Fuse 42 on fuse holder C
T8a	8-pin connector
T32	32-pin connector
A21	Connection (86s), in dash panel wiring harness
A23	Connection (30al), in dash panel wiring harness

Wiring Diagram VW JETTA 2008 - Connection (speed signal) - in dash panel wiring harness

J31	Automatic intermittent wash and wipe relay
J217	Automatic gearbox control unit
J220	Motronic control unit
J245	Sliding sunroof adjustment control unit
J248	Diesel direct injection system control unit
J255	Climatronic control unit
J285	Control unit in dash panel insert
J623	Engine control unit
T6k	6-pin connector
T6l	6-pin connector
T10	10-pin connector
T12d	12-pin connector
T16b	16-pin connector
T18a	18-pin connector
T32	32-pin connector
T68a	68-pin connector
T80	80-pin connector
T121	121-pin connector
A27	Connection (speed signal), in dash panel wiring harness
*	Up to April 2007
*2	From May 2007

Wiring Diagram VW JETTA 2008 - Connection (interior light) - in dash panel wiring harness - Positive connection (30) - in dash panel wiring harness

D	Ignition/starter switch
E1	Light switch
E4	Headlight dipper and flasher switch
J393	Convenience system central control unit
T5	5-pin connector
T8	8-pin connector
T8f	8-pin connector
T12	12-pin connector
T17	17-pin connector
T23	23-pin connector
W3	Luggage compartment light
501	Threaded connection 2 (30), on relay plate
A29	Connection (interior light), in dash panel wiring harness
A32	Positive connection (30), in dash panel wiring harness
*	From May 2007
*2	Up to April 2007

Wiring Diagram VW JETTA 2008 - Connection (58a) - in dash panel wiring harness - Positive connection 2 (15a) in dash panel wiring harness - Connection (57L) - in dash panel wiring harness - Connection (57r) - in dash panel wiring harness

E1	Light switch
E4	Headlight dipper and flasher switch
E20	Switch and instrument illumination regulator
E256	TCS and ESP button
G85	Steering angle sender
J104	ABS control unit
SC3	Fuse 3 on fuse holder C
SC9	Fuse 9 on fuse holder C
SC22	Fuse 22 on fuse holder C
SC23	Fuse 23 on fuse holder C
T3c	3-pin connector
T6p	6-pin connector
T6q	6-pin connector
T12	12-pin connector
T17	17-pin connector
T47a	47-pin connector
A37	Connection (58a), in dash panel wiring harness
A38	Positive connection 2 (15a) in dash panel wiring harness
A43	Connection (57L), in dash panel wiring harness
A44	Connection (57r), in dash panel wiring harness
*	From May 2007

Wiring Diagram VW JETTA 2008 - Connection (56) - in dash panel wiring harness - Positive connection 2 (30) - in dash panel wiring harness

J285	Control unit in dash panel insert
J317	Terminal 30 voltage supply relay
L2	Right headlight twin filament bulb
M32	Right headlight main beam bulb
SC16	Fuse 16 on fuse holder C
SC18	Fuse 18 on fuse holder C
SC28	Fuse 28 on fuse holder C
SC37	Fuse 37 on fuse holder C
S144	Anti-theft alarm system central locking fuse
S283	Brake vacuum pump fuse
T10c	10-pin connector
T32	32-pin connector
A51	Connection (56), in dash panel wiring harness
A52	Positive connection 2 (30), in dash panel wiring harness
*	From May 2007
*2	Up to April 2007

Wiring Diagram VW JETTA 2008 - Positive connection 2 (30) - in dash panel wiring harness

G92	Potentiometer for temperature flap control motor
G112	Potentiometer for centre flap servomotor
G113	Potentiometer for air flow flap control motor
G114	Potentiometer for footwell/defroster flap control motor
J255	Climatronic control unit
SC30	Fuse 30 on fuse holder C
S37	Window regulator single fuse
S111	Anti-theft alarm system and immobilizer fuse
T5n	5-pin connector
T6x	6-pin connector
T6y	6-pin connector
T6z	6-pin connector
T16b	16-pin connector
501	Threaded connection 2 (30), on relay plate
A52	Positive connection 2 (30), in dash panel wiring harness
A58	Connection (5 volt), in dash panel wiring harness
*	From May 2007

Wiring Diagram VW JETTA 2008 - Connection (30 - air conditioning system) - in dash panel wiring harness - Connection (K-diagnosis wire) - in dash panel wiring harness

J104	ABS control unit
J207	Starter inhibitor relay
J255	Climatronic control unit
J285	Control unit in dash panel insert
J293	Radiator fan control unit
J393	Convenience system central control unit
J623	Engine control unit
R	Radio
SC16	Fuse 16 on fuse holder C
T8a	8-pin connector
T12d	12-pin connector
T12e	12-pin connector
T14	14-pin connector
T16	16-pin connector
T16c	16-pin connector
T17a	17-pin connector
T23	23-pin connector
T32	32-pin connector
T32a	32-pin connector
T47a	47-pin connector
T80	80-pin connector
A68	Connection (30, air conditioning system), in dash panel wiring harness
A76	Connection (K-diagnosis wire), in dash panel wiring harness
*	Up to April 2007
*2	Up to June 2009

Wiring Diagram VW JETTA 2008 - Connection 1 (X) - in dash panel wiring harness - Connection (58L) - in dash panel wiring harness

D	Ignition/starter switch
E1	Light switch
J59	X-contact relief relay
J285	Control unit in dash panel insert
J519	Onboard supply control unit
M1	Left side light bulb
M4	Left tail light bulb
M11	Front side marker light bulb
M33	Front left side marker bulb
SC23	Fuse 23 on fuse holder C
SC36	Fuse 36 on fuse holder C
SC37	Fuse 37 on fuse holder C
T5h	5-pin connector
T6a	6-pin connector
T8	8-pin connector
T10b	10-pin connector
T17	17-pin connector
T32	32-pin connector
A80	Connection 1 (X), in dash panel wiring harness
A84	Connection (58L), in dash panel wiring harness
*	From May 2007
*2	Up to April 2007
*3	Up to June 2009

Wiring Diagram VW JETTA 2008 - Connection (58R) - in dash panel wiring harness

J285	Control unit in dash panel insert
M2	Right tail light bulb
M3	Right side light bulb
M11	Front side marker light bulb
M22	Right brake and tail light bulb
M34	Front right side marker bulb
M38	Rear right side marker bulb
SC22	Fuse 22 on fuse holder C
T4n	4-pin connector
T5i	5-pin connector
T6b	6-pin connector
T10c	10-pin connector
T32	32-pin connector
A85	Connection (58R), in dash panel wiring harness
*	From July 2008
*2	From May 2007
*3	Up to April 2007
*4	Up to June 2008

Wiring Diagram VW JETTA 2008 - Connection (RL) - in dash panel wiring harness - Connection (dual tone horn) - in dash panel wiring harness

F4	Reversing light switch
H1	Horn or dual tone horn
J4	Dual tone horn relay
J217	Automatic gearbox control unit
J226	Starter inhibitor and reversing light relay
J519	Onboard supply control unit
S2	Fuse 2 in fuse holder
T5h	5-pin connector
T10	10-pin connector
T52	52-pin connector
A87	Connection (RL), in dash panel wiring harness
A90	Connection (dual tone horn), in dash panel wiring harness
*	Up to April 2007
*2	From May 2007
*3	Only models with automatic gearbox

Wiring Diagram VW JETTA 2008 - Connection (53a) - in dash panel wiring harness - Connection (53) - in dash panel wiring harness

E22	Intermittent wiper switch
J31	Automatic intermittent wash and wipe relay
SC24	Fuse 24 on fuse holder C
T8a	8-pin connector
T8c	8-pin connector
T18a	18-pin connector
V59	Windscreen and rear window washer pump
A96	Connection (53a), in dash panel wiring harness
A97	Connection (53), in dash panel wiring harness

Wiring Diagram VW JETTA 2008 - Positive connection 4 (30) - in dash panel wiring harness - Connection 1 (87) in dash panel wiring harness

J317	Terminal 30 voltage supply relay
SC28	Fuse 28 on fuse holder C
SC30	Fuse 30 on fuse holder C
SC32	Fuse 32 on fuse holder C
SC34	Fuse 34 on fuse holder C
SC43	Fuse 43 on fuse holder C
S111	Anti-theft alarm system and immobilizer fuse
S144	Anti-theft alarm system central locking fuse
504	Threaded connection 1 (87), on relay plate
A98	Positive connection 4 (30), in dash panel wiring harness
A99	Connection 1 (87) in dash panel wiring harness
*	Up to April 2007

Wiring Diagram VW JETTA 2008 - Connection 2 (87) in dash panel wiring harness - Connection (windscreen wiper) - in dash panel wiring harness

E22	Intermittent wiper switch
J17	Fuel pump relay
J248	Diesel direct injection system control unit
J317	Terminal 30 voltage supply relay
S3	Fuse 3 in fuse holder
SC32	Fuse 32 on fuse holder C
SC34	Fuse 34 on fuse holder C
SC43	Fuse 43 on fuse holder C
T8c	8-pin connector
T121	121-pin connector
V59	Windscreen and rear window washer pump
A100	Connection 2 (87) in dash panel wiring harness
A102	Connection (windscreen wiper), in dash panel wiring harness
*	From May 2007
*2	Up to June 2009

Wiring Diagram VW JETTA 2008 - Connection (high bus) - in dash panel wiring harness

G85	Steering angle sender
J104	ABS control unit
J207	Starter inhibitor relay
J217	Automatic gearbox control unit
J220	Motronic control unit
J234	Airbag control unit
J248	Diesel direct injection system control unit
J285	Control unit in dash panel insert
J623	Engine control unit
T6p	6-pin connector
T10w	10-pin connector
T16	16-pin connector
T32a	32-pin connector
T47a	47-pin connector
T52	52-pin connector
T68	68-pin connector
T68a	68-pin connector
T75	75-pin connector
T80	80-pin connector
T121	121-pin connector
A121	Connection (high bus), in dash panel wiring harness
*	Only models with 6-speed automatic gearbox and Tiptronic
*2	Only models with electronic stabilisation program (ESP) and traction control system (TCS)
*3	From May 2007
*4	Up to April 2007
*5	Only models with 5-speed automatic gearbox

Wiring Diagram VW JETTA 2008 - Connection (low bus) - in dash panel wiring harness

G85	Steering angle sender
J104	ABS control unit
J207	Starter inhibitor relay
J217	Automatic gearbox control unit
J220	Motronic control unit
J234	Airbag control unit
J248	Diesel direct injection system control unit
J285	Control unit in dash panel insert
J623	Engine control unit
T6p	6-pin connector
T10w	10-pin connector
T16	16-pin connector
T32a	32-pin connector
T47a	47-pin connector
T52	52-pin connector
T68a	68-pin connector
T75	75-pin connector
T80	80-pin connector
T121	121-pin connector
A122	Connection (low bus), in dash panel wiring harness
*	From May 2007
*2	Only models with 6-speed automatic gearbox and Tiptronic
*3	Only models with electronic stabilisation program (ESP) and traction control system (TCS)
*4	Up to April 2007
*5	Only models with 5-speed automatic gearbox

Wiring Diagram VW JETTA 2008 - Connection (crash signal) - in dash panel wiring harness - Connection (rear lid contact switch) - in dash panel wiring harness - Connection (TCS/ESP) - in dash panel wiring harness

E256	TCS and ESP button
J17	Fuel pump relay
J104	ABS control unit
J234	Airbag control unit
J285	Control unit in dash panel insert
J393	Convenience system central control unit
J519	Onboard supply control unit
T5	5-pin connector
T6q	6-pin connector
T23	23-pin connector
T24	24-pin connector
T32	32-pin connector
T47a	47-pin connector
T75	75-pin connector
A125	Connection (crash signal), in dash panel wiring harness
A126	Connection (rear lid contact switch), in dash panel wiring harness
A132	Connection (TCS/ESP), in dash panel wiring harness
*	From May 2007

Wiring Diagram VW JETTA 2008 - Positive connection 3 (30a) in dash panel wiring harness - Positive connection 3 (15a) in dash panel wiring harness

G65	High-pressure sender
G70	Air mass meter
J220	Motronic control unit
J248	Diesel direct injection system control unit
J285	Control unit in dash panel insert
J623	Engine control unit
SC15	Fuse 15 on fuse holder C
SC29	Fuse 29 on fuse holder C
T5m	5-pin connector
T6	6-pin connector
T6p	6-pin connector
T32	32-pin connector
T80	80-pin connector
T121	121-pin connector
A167	Positive connection 3 (30a) in dash panel wiring harness
A192	Positive connection 3 (15a) in dash panel wiring harness
*	From May 2007
*2	Up to April 2007
*3	From December 2008
*4	Up to June 2009

Wiring Diagram VW JETTA 2008 - Connection (87a) - in dash panel wiring harness - Connection (30 - window regulators) - in interior wiring harness

G40	Hall sender
J386	Driver door control unit
J387	Front passenger door control unit
J388	Rear left door control unit
J389	Rear right door control unit
N79	Heater element for crankcase breather
SC34	Fuse 34 on fuse holder C
S37	Window regulator single fuse
T3g	3-pin connector
T6	6-pin connector
T10k	10-pin connector
T10l	10-pin connector
T10t	10-pin connector
T10u	10-pin connector
T14a	14-pin connector
T18b	18-pin connector
T18c	18-pin connector
T18d	18-pin connector
T18e	18-pin connector
T29	29-pin connector
T29a	29-pin connector
A193	Connection (87a), in dash panel wiring harness
B110	Connection (30, window regulators), in interior wiring harness
*	From May 2007
*2	Up to April 2007

Wiring Diagram VW JETTA 2008 - Connection (interior light - 31l) - in interior wiring harness - Connection (number plate lights) - in interior wiring harness

J393	Convenience system central control unit
SC4	Fuse 4 on fuse holder C
T8f	8-pin connector
T23	23-pin connector
W1	Front interior light
W11	Rear left reading light
W12	Rear right reading light
X	Number plate light
B129	Connection (interior light, 31l), in interior wiring harness
B132	Connection (number plate lights), in interior wiring harness
*	Up to April 2007
*2	From May 2007

Wiring Diagram VW JETTA 2008 - Positive connection (30a) - in interior wiring harness

E204	Tank filler flap remote release switch
J386	Driver door control unit
J387	Front passenger door control unit
J388	Rear left door control unit
J389	Rear right door control unit
J393	Convenience system central control unit
S37	Window regulator single fuse
SC38	Fuse 38 on fuse holder C
T4b	4-pin connector
T10k	10-pin connector
T10l	10-pin connector
T10t	10-pin connector
T10u	10-pin connector
T18b	18-pin connector
T18c	18-pin connector
T18d	18-pin connector
T18e	18-pin connector
T23	23-pin connector
T29a	29-pin connector
B156	Positive connection (30a), in interior wiring harness
*	From May 2007
*2	Up to April 2007

Wiring Diagram VW JETTA 2008 - Connection (ATA) - in interior wiring harness - Positive connection 1 (15) - in interior wiring harness

F4	Reversing light switch
F120	Anti-theft alarm and vermin repellent system contact switch
G22	Speedometer sender
J393	Convenience system central control unit
R	Radio
SC7	Fuse 7 on fuse holder C
T2a	2-pin connector
T8a	8-pin connector
T10	10-pin connector
T14a	14-pin connector
T15	15-pin connector
B161	Connection (ATA), in interior wiring harness
B163	Positive connection 1 (15), in interior wiring harness
*	From May 2007
*2	Up to April 2007
*3	Only models with anti-theft alarm system (DWA) and anti-theft alarm system horn

Wiring Diagram VW JETTA 2008 - Positive connection 2 (15) - in interior wiring harness - Connection (56a) - in interior wiring harness - Connection (56b) - in interior wiring harness

E1	Light switch
E4	Headlight dipper and flasher switch
J89	Daytime running lights changeover relay
J285	Control unit in dash panel insert
N110	Selector lever lock solenoid
SC11	Fuse 11 on fuse holder C
SC18	Fuse 18 on fuse holder C
SC19	Fuse 19 on fuse holder C
SC20	Fuse 20 on fuse holder C
SC21	Fuse 21 on fuse holder C
T12	12-pin connector
T17	17-pin connector
T32	32-pin connector
B165	Positive connection 2 (15), in interior wiring harness
B166	Connection (56a), in interior wiring harness
B167	Connection (56b), in interior wiring harness
*	From May 2007
*2	Only models with automatic gearbox
*3	Up to April 2007

Wiring Diagram VW JETTA 2008 - Connection (RL) - in interior wiring harness - Connection (high bus) - in interior wiring harness

J285	Control unit in dash panel insert
J386	Driver door control unit
J387	Front passenger door control unit
J388	Rear left door control unit
J389	Rear right door control unit
J393	Convenience system central control unit
M16	Left reversing light bulb
M17	Right reversing light bulb
T6a	6-pin connector
T6b	6-pin connector
T10k	10-pin connector
T10l	10-pin connector
T10t	10-pin connector
T10u	10-pin connector
T18b	18-pin connector
T18c	18-pin connector
T23	23-pin connector
T29	29-pin connector
T29a	29-pin connector
T32a	32-pin connector
B182	Connection (RL), in interior wiring harness
B229	Connection (high bus), in interior wiring harness
*	Up to April 2007

Wiring Diagram VW JETTA 2008 - Connection (low bus) - in interior wiring harness - Positive connection 5 (30a) - in interior wiring harness

J285	Control unit in dash panel insert
J386	Driver door control unit
J387	Front passenger door control unit
J388	Rear left door control unit
J389	Rear right door control unit
J393	Convenience system central control unit
SC12	Fuse 12 on fuse holder C
T10k	10-pin connector
T10l	10-pin connector
T10t	10-pin connector
T10u	10-pin connector
T16	16-pin connector
T18b	18-pin connector
T18c	18-pin connector
T23	23-pin connector
T29	29-pin connector
T29a	29-pin connector
T32a	32-pin connector
B230	Connection (low bus), in interior wiring harness
B231	Positive connection 5 (30a), in interior wiring harness
*	Up to April 2007

Wiring Diagram VW JETTA 2008 - Connection 1 (75a) - in main wiring harness - Positive connection 1 (87a) in main wiring harness - Positive connection 2 (87a) in main wiring harness

J248	Diesel direct injection system control unit
J359	Low heat output relay
SC27	Fuse 27 on fuse holder C
SC32	Fuse 32 on fuse holder C
SC43	Fuse 43 on fuse holder C
T6	6-pin connector
T14a	14-pin connector
T121	121-pin connector
U1	Cigarette lighter
V144	Fuel system diagnostic pump
B348	Connection 1 (75a), in main wiring harness
B350	Positive connection 1 (87a) in main wiring harness
B351	Positive connection 2 (87a) in main wiring harness
*	From May 2007
*2	Up to April 2007

Wiring Diagram VW JETTA 2008 - Connection 1 (LIN bus) in main wiring harness - Connection in radiator fan wiring harness - Positive connection (30) - in engine compartment wiring harness

J293	Radiator fan control unit
J359	Low heat output relay
J360	High heat output relay
J386	Driver door control unit
J387	Front passenger door control unit
J388	Rear left door control unit
J389	Rear right door control unit
S162	Fuse 1 (30), in battery fuse holder
T3a	3-pin connector
T3b	3-pin connector
T4a	4-pin connector
T10m	10-pin connector
T10n	10-pin connector
T10t	10-pin connector
T10u	10-pin connector
T18b	18-pin connector
T18c	18-pin connector
T18d	18-pin connector
T18e	18-pin connector
V7	Radiator fan
V35	Radiator fan on right of radiator
B528	Connection 1 (LIN bus) in main wiring harness
C11	Connection in radiator fan wiring harness
D50	Positive connection (30), in engine compartment wiring harness
*	Up to April 2007

Wiring Diagram VW JETTA 2008 - Positive connection (15a) - in engine compartment wiring harness - Connection (air conditioning system) - in engine compartment wiring harness

E45	Cruise control system switch
E227	Cruise control system (CCS) SET button
G65	High-pressure sender
J220	Motronic control unit
J248	Diesel direct injection system control unit
J293	Radiator fan control unit
J623	Engine control unit
T10s	10-pin connector
T13e	13-pin connector
T14	14-pin connector
T14a	14-pin connector
T80	80-pin connector
T121	121-pin connector
D52	Positive connection (15a), in engine compartment wiring harness
D61	Connection (air conditioning system), in engine compartment wiring harness
*	From July 2009
*2	Only models with cruise control system (CCS)
*3	Up to June 2009

Wiring Diagram VW JETTA 2008 - Connection (86) - in engine compartment wiring harness - Positive connection 1 (30a) - in engine compartment wiring harness

J220	Motronic control unit
J248	Diesel direct injection system control unit
J271	Main relay
J623	Engine control unit
SC37	Fuse 37 on fuse holder C
T6	6-pin connector
T80	80-pin connector
T121	121-pin connector
D74	Connection (86), in engine compartment wiring harness
D78	Positive connection 1 (30a), in engine compartment wiring harness
*	Up to April 2007
*2	From May 2007
*3	Up to June 2009

Wiring Diagram VW JETTA 2008 - Connection (RPM signal) - in engine compartment wiring harness - Connection (injectors) - in engine compartment wiring harness

J217	Automatic gearbox control unit
J285	Control unit in dash panel insert
N30	Injector, cylinder 1
N31	Injector, cylinder 2
N32	Injector, cylinder 3
N33	Injector, cylinder 4
SC32	Fuse 32 on fuse holder C
T14a	14-pin connector
T32	32-pin connector
T68a	68-pin connector
D90	Connection (RPM signal), in engine compartment wiring harness
D95	Connection (injectors), in engine compartment wiring harness
*	From May 2007
*2	According to equipment
*3	Up to April 2007

Wiring Diagram VW JETTA 2008 - Connection (glow plugs) - in engine compartment wiring harness - Connection 1 in engine compartment wiring harness

G31	Charge pressure sender
G40	Hall sender
G71	Intake manifold pressure sender
J220	Motronic control unit
J360	High heat output relay
J623	Engine control unit
Q7	Coolant heating element
T4k	4-pin connector
T80	80-pin connector
T121	121-pin connector
D98	Connection (glow plugs), in engine compartment wiring harness
D101	Connection 1 in engine compartment wiring harness
*	From May 2007

Wiring Diagram VW JETTA 2008 - Connection 2 in engine compartment wiring harness - Connection 3 in engine compartment wiring harness

J220	Motronic control unit
J299	Secondary air pump relay
N75	Charge pressure control solenoid valve
N205	Camshaft control valve 1
N249	Turbocharger air recirculation valve
T121	121-pin connector
D102	Connection 2 in engine compartment wiring harness
D103	Connection 3 in engine compartment wiring harness
*	Only models with automatic gearbox
*2	From May 2007
*3	Up to April 2007
*4	From April 2007

Wiring Diagram VW JETTA 2008 - Positive connection 2 (30a) - in engine compartment wiring harness - Connection (rear left speed sensor +) - in engine compartment wiring harness

G46	Rear left speed sensor
J104	ABS control unit
J220	Motronic control unit
J271	Main relay
J623	Engine control unit
N70	Ignition coil 1 with output stage
N152	Ignition transformer
T2i	2-pin connector
T4k	4-pin connector
T6g	6-pin connector
T47a	47-pin connector
T80	80-pin connector
T121	121-pin connector
D104	Positive connection 2 (30a), in engine compartment wiring harness
D146	Connection (rear left speed sensor +), in engine compartment wiring harness
*	From May 2007
*2	Only models with electronic stabilisation program (ESP) and traction control system (TCS)
*3	Up to April 2007
*4	Up to June 2009
*5	From July 2009

Wiring Diagram VW JETTA 2008 - Connection (rear left speed sensor -) - in engine compartment wiring harness - Connection (rear right speed sensor +) - in engine compartment wiring harness

G44	Rear right speed sensor
G46	Rear left speed sensor
J104	ABS control unit
T47a	47-pin connector
D147	Connection (rear left speed sensor -), in engine compartment wiring harness
D148	Connection (rear right speed sensor +), in engine compartment wiring harness
*	Up to April 2007
*2	Only models with electronic stabilisation program (ESP) and traction control system (TCS)
*3	From May 2007

Wiring Diagram VW JETTA 2008 - Connection 15 in engine compartment wiring harness - Connection (rear right speed sensor -) - in engine compartment wiring harness

G44	Rear right speed sensor
J104	ABS control unit
J220	Motronic control unit
J271	Main relay
N70	Ignition coil 1 with output stage
N127	Ignition coil 2 with output stage
N291	Ignition coil 3 with output stage
N292	Ignition coil 4 with output stage
T2i	2-pin connector
T4g	4-pin connector
T4h	4-pin connector
T4i	4-pin connector
T4j	4-pin connector
T47a	47-pin connector
T121	121-pin connector
D117	Connection 15 in engine compartment wiring harness
D149	Connection (rear right speed sensor -), in engine compartment wiring harness
*	Up to April 2007
*2	Only models with electronic stabilisation program (ESP) and traction control system (TCS)
*3	From May 2007

Wiring Diagram VW JETTA 2008 - Connection (87a) - in Motronic wiring harness - Connection - in engine wiring harness

G39	Lambda probe
G70	Air mass meter
G130	Lambda probe after catalytic converter
N18	Exhaust gas recirculation valve
N75	Charge pressure control solenoid valve
N80	Activated charcoal filter solenoid valve 1
N213	Exhaust gas recirculation valve 2
SC34	Fuse 34 on fuse holder C
T4f	4-pin connector
T5m	5-pin connector
T6w	6-pin connector
T10f	10-pin connector
V157	Intake manifold flap motor
E7	Connection (87a), in Motronic wiring harness
E29	Connection, in engine wiring harness
*	Up to April 2007
*2	From May 2007

Wiring Diagram VW JETTA 2008 - Connection - in engine wiring harness - Connection (87a) - in engine wiring harness

G39	Lambda probe
G40	Hall sender
G130	Lambda probe after catalytic converter
J299	Secondary air pump relay
N18	Exhaust gas recirculation valve
N80	Activated charcoal filter solenoid valve 1
T3g	3-pin connector
T4f	4-pin connector
T6w	6-pin connector
T10f	10-pin connector
T14a	14-pin connector
E29	Connection, in engine wiring harness
E30	Connection (87a), in engine wiring harness
*	Up to April 2007

Wiring Diagram VW JETTA 2008 - Connection (87a) - in engine wiring harness

F47	Brake pedal switch
G39	Lambda probe
G70	Air mass meter
J359	Low heat output relay
J360	High heat output relay
N112	Secondary air inlet valve
SC34	Fuse 34 on fuse holder C
T2j	2-pin connector
T4d	4-pin connector
T4y	4-pin connector
T6w	6-pin connector
V144	Fuel system diagnostic pump
E30	Connection (87a), in engine wiring harness
*	Up to April 2007
*2	Only models with automatic gearbox
*3	From May 2007
*4	Only models with fuel system diagnostic pump

Wiring Diagram VW JETTA 2008 - Positive connection 1 (30) - in radiator fan wiring harness - Connection 1 - in radiator fan wiring harness

F18	Radiator fan thermal switch
J293	Radiator fan control unit
S180	Fuse 8 (30), in battery fuse holder
T3	3-pin connector
T3a	3-pin connector
T3b	3-pin connector
T4a	4-pin connector
V7	Radiator fan
V35	Radiator fan on right of radiator
K20	Positive connection 1 (30), in radiator fan wiring harness
K21	Connection 1, in radiator fan wiring harness

Wiring Diagram VW JETTA 2008 - Connection 1 - in air conditioning system wiring harness - Connection - in air conditioning system operating unit wiring harness

E9	Fresh air blower switch
E35	Selector lever for retarder brake
J220	Motronic control unit
J248	Diesel direct injection system control unit
J293	Radiator fan control unit
J623	Engine control unit
N24	Fresh air blower series resistor with overheating fuse
T4c	4-pin connector
T6d	6-pin connector
T8b	8-pin connector
T10	10-pin connector
T10j	10-pin connector
T14	14-pin connector
T80	80-pin connector
T121	121-pin connector
L9	Connection 1, in air conditioning system wiring harness
L45	Connection, in air conditioning system operating unit wiring harness
*	From May 2007

Wiring Diagram VW JETTA 2008 - Connection - in heater blower wiring harness - Positive connection (75x) in Climatronic wiring harness - Connection (mirror heating) - in window regulator wiring harness

E9	Fresh air blower switch
E231	Exterior mirror heater button
J255	Climatronic control unit
N24	Fresh air blower series resistor with overheating fuse
SC25	Fuse 25 on fuse holder C
T4c	4-pin connector
T6d	6-pin connector
T10g	10-pin connector
T10p	10-pin connector
T10v	10-pin connector
T12b	12-pin connector
T12c	12-pin connector
T16b	16-pin connector
T17a	17-pin connector
V2	Fresh air blower
Z4	Heated exterior mirror on driver side
Z5	Heated exterior mirror on front passenger side
L66	Connection, in heater blower wiring harness
L67	Positive connection (75x) in Climatronic wiring harness
Q19	Connection (mirror heating), in window regulator wiring harness

Wiring Diagram VW JETTA 2008 - Connection 1 - in rear lid wiring harness - Positive connection 1 - in interior light wiring harness - Positive connection 1 (30) - in driver door wiring harness

F5	Luggage compartment light switch
J386	Driver door control unit
T10k	10-pin connector
T29	29-pin connector
W3	Luggage compartment light
W11	Rear left reading light
W12	Rear right reading light
W19	Driver side reading light
Q22	Connection 1, in rear lid wiring harness
R6	Positive connection 1, in interior light wiring harness
R10	Positive connection 1 (30), in driver door wiring harness
*	From May 2007
*2	Up to April 2007

Wiring Diagram VW JETTA 2008 - Positive connection 4 (15) - in driver door wiring harness - Connection (mirror adjustment) - in driver door wiring harness - Connection (58b) - in driver side door wiring harness

E43	Mirror adjustment switch
E204	Tank filler flap remote release switch
J386	Driver door control unit
L76	Button illumination bulb
L78	Mirror adjustment switch illumination bulb
T5r	5-pin connector
T10p	10-pin connector
T10q	10-pin connector
T10v	10-pin connector
T12b	12-pin connector
T12c	12-pin connector
T16a	16-pin connector
T18d	18-pin connector
V149	Driver side mirror adjustment motor
V150	Front passenger side mirror adjustment motor
R13	Positive connection 4 (15), in driver door wiring harness
R27	Connection (mirror adjustment), in driver door wiring harness
R51	Connection (58b), in driver side door wiring harness
*	From May 2007
*2	Up to April 2007

Wiring Diagram VW JETTA 2008 - Positive connection (58) - in front passenger door wiring harness - Connection (open) - in central locking wiring harness - Connection (closed) - in central locking wiring harness

E150	Driver side interior locking switch
E198	Front passenger side interior locking switch
J393	Convenience system central control unit
L53	Window regulator switch illumination bulb
L99	Interior lock switch illumination bulb
T5e	5-pin connector
T5k	5-pin connector
T5l	5-pin connector
T10m	10-pin connector
T10n	10-pin connector
T16a	16-pin connector
T23	23-pin connector
R67	Positive connection (58), in front passenger door wiring harness
S14	Connection (open), in central locking wiring harness
S15	Connection (closed), in central locking wiring harness
*	Only models with electric window regulators
*2	From May 2007

Wiring Diagram VW JETTA 2008 - Positive connection 1 (54) - in rear wiring harness - Connection (58) - in rear lid wiring harness - Connection (58L) - in rear wiring harness

M4	Left tail light bulb
M9	Left brake light bulb
M10	Right brake light bulb
M21	Left brake and tail light bulb
M22	Right brake and tail light bulb
M25	Additional brake light bulb
M37	Rear left side marker bulb
SC4	Fuse 4 on fuse holder C
T4m	4-pin connector
T4n	4-pin connector
T5	5-pin connector
T6a	6-pin connector
T6b	6-pin connector
X	Number plate light
W1	Positive connection 1 (54), in rear wiring harness
W11	Connection (58), in rear lid wiring harness
W13	Connection (58L), in rear wiring harness
*	From May 2007
*2	Up to April 2007
*3	From April 2009

Wiring Diagram VW JETTA 2008 - Connection (58R) - in rear wiring harness - Connection (reversing light) - in rear lid wiring harness

M2	Right tail light bulb
M16	Left reversing light bulb
M17	Right reversing light bulb
M22	Right brake and tail light bulb
M38	Rear right side marker bulb
T4n	4-pin connector
W14	Connection (58R), in rear wiring harness
W33	Connection (reversing light), in rear lid wiring harness
*	From April 2009
*2	Up to June 2008
*3	Up to March 2009