AUDI A4 2013 – Fuse assignment . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A4 2013 - Battery - Battery monitor control unit - Fuse holder A

A	Battery
J9	Heated rear window relay
J329	Terminal 15 voltage supply relay
J367	Battery monitor control unit
J393	Convenience system central control unit
SA1	Fuse 1 in fuse holder A
S41	Heated rear window single fuse
SA	Fuse holder A
T2x	2-pin connector
T32c	32-pin connector
T32d	32-pin connector
249	Earth connection 2, in interior wiring harness
B272	Positive connection (30), in main wiring harness
B298	Positive connection 2 (30), in main wiring harness
B492	Positive connection 3 (15), in interior wiring harness
*	see applicable current flow diagram for basic equipment
*2	Saloon
*3	According to equipment
*4	Avant

Wiring Diagram AUDI A4 2013 - ABS control unit fuse 1 - Fuse holder A

J104	ABS control unit
SA2	Fuse 2 in fuse holder A
SA3	Fuse 3 in fuse holder A
S123	ABS control unit fuse 1
S124	ABS control unit fuse 2
S137	ABS control unit fuse 3
SA	Fuse holder A
T38a	38-pin connector
B299	Positive connection 3 (30), in main wiring harness
B303	Positive connection 7 (30), in main wiring harness
D50	Positive connection (30), in engine compartment wiring harness
*	see applicable current flow diagram for engine/ radiator fan
*2	Only left-hand drive models
*3	Only right-hand drive models
*4	see applicable current flow diagram for ABS
*5	Only applicable to special vehicles
*6	Cross section depends on equipment
*7	see applicable current flow diagram for engine

Wiring Diagram AUDI A4 2013 - Battery isolation igniter - Engine glow plug strip fuse - Auxiliary heater fuse - Auxiliary heater fuse 2 - Fuse holder A - Terminal 30 wiring junction 2

C24	Suppression filter
J234	Airbag control unit
J299	Secondary air pump relay
J359	Low heat output relay
J360	High heat output relay
J545	Secondary air pump 2 relay
N253	Battery isolation igniter
S39	Engine glow plug strip fuse
S126	Auxiliary heater fuse
S130	Secondary air pump fuse
S284	Secondary air pump fuse 2
S328	Auxiliary heater fuse 2
SA	Fuse holder A
T2y	2-pin connector
TV22	Terminal 30 wiring junction 2
T100	100-pin connector
A52	Positive connection 2 (30), in dash panel wiring harness
D75	Positive connection 2 (30), in engine compartment wiring harness
*	see applicable current flow diagram for airbag
*2	Only models with diesel engine
*3	see applicable current flow diagram for engine

Wiring Diagram AUDI A4 2013 - Starter - Alternator - Terminal 30 wiring junction 2

B	Starter
C	Alternator
C1	Voltage regulator
J500	Power steering control unit
J533	Data bus diagnostic interface
S204	Fuse 1 (30)
S205	Fuse 2 (30)
S206	Fuse 3 (30)
T2n	2-pin connector
T17e	17-pin connector, in left A-pillar coupling station
T17r	17-pin connector, in E-box
T20d	20-pin connector
TV22	Terminal 30 wiring junction 2
U6	Jump start socket
B698	Connection 3 (LIN bus) in main wiring harness
*	see applicable current flow diagram for radiator fan
*2	Only models with stop/start system

Wiring Diagram AUDI A4 2013 - Starter motor relay - Starter motor relay 2

J53	Starter motor relay
J623	Engine control unit
J695	Starter motor relay 2
T5l	5-pin connector, in engine compartment
D51	Positive connection 1 (15), in engine compartment wiring harness
D97	Connection (50), in engine compartment right wiring harness
*	see applicable current flow diagram for engine
*2	Cross section depends on equipment
*3	Cross-section 1.5 possible

Wiring Diagram AUDI A4 2013 - Fuse holder B - Fuse carrier 1

G70	Air mass meter
G266	Oil level and oil temperature sender
J217	Automatic gearbox control unit
J623	Engine control unit
J743	Mechatronic unit for dual clutch gearbox
N290	Fuel metering valve
N402	Fuel metering valve 2
N421	Magnetic clutch for supercharger
SB	Fuse holder B
ST1	Fuse carrier 1
SB1	Fuse 1 on fuse holder B
SB2	Fuse 2 on fuse holder B
SB3	Fuse 3 on fuse holder B
SB4	Fuse 4 on fuse holder B
SB5	Fuse 5 on fuse holder B
D97	Connection (50), in engine compartment right wiring harness
D101	Connection 1 in engine compartment wiring harness
D102	Connection 2 in engine compartment wiring harness
D111	Connection 9 in engine compartment wiring harness
D144	Positive connection 5 (30), in engine compartment wiring harness
*	see applicable current flow diagram for engine
*2	see applicable current flow diagram for gearbox
*3	Wiring colour depends on equipment
*4	Cross section depends on equipment
*5	Only models with halogen headlights

Wiring Diagram AUDI A4 2013 - Fuse carrier 1

J299	Secondary air pump relay
J569	Brake servo relay
J623	Engine control unit
J881	Control unit for NOx sender 2
N144	Left electrohydraulic engine mounting solenoid valve
N145	Right electrohydraulic engine mounting solenoid valve
ST1	Fuse carrier 1
SB6	Fuse 6 on fuse holder B
SB7	Fuse 7 on fuse holder B
SB8	Fuse 8 on fuse holder B
SB9	Fuse 9 on fuse holder B
T17q	17-pin connector
V188	Charge air cooling pump
D97	Connection (50), in engine compartment right wiring harness
D101	Connection 1 in engine compartment wiring harness
D102	Connection 2 in engine compartment wiring harness
D103	Connection 3 in engine compartment wiring harness
D110	Connection 8 in engine compartment wiring harness
D111	Connection 9 in engine compartment wiring harness
D115	Connection 13 in engine compartment wiring harness
D210	Connection (50), in engine compartment wiring harness
*	see applicable current flow diagram for engine
*2	Only models with start/stop system
*3	Cross section depends on equipment
*4	Wiring colour depends on equipment

Wiring Diagram AUDI A4 2013 - Fuse carrier 1

J500	Power steering control unit
J757	Engine component current supply relay
ST1	Fuse carrier 1
SB10	Fuse 10 on fuse holder B
SB11	Fuse 11 on fuse holder B
SB12	Fuse 12 on fuse holder B
SB13	Fuse 13 on fuse holder B
T4z	4-pin connector
T5l	5-pin connector
T6aa	6-pin connector
T6ab	6-pin connector
T6ac	6-pin connector
T6h	6-pin connector
V400	Pump for exhaust gas recirculation cooler
Z19	Lambda probe heater
Z28	Lambda probe heater 2
Z29	Lambda probe 1 heater after catalytic converter
D101	Connection 1 in engine compartment wiring harness
D102	Connection 2 in engine compartment wiring harness
D106	Connection 4 in engine compartment wiring harness
D108	Connection 6 in engine compartment wiring harness
D113	Connection 11 in engine compartment wiring harness
D140	Connection (injectors), in engine prewiring harness
*	see applicable current flow diagram for radiator fan
*2	see applicable current flow diagram for automatic gearbox
*3	see applicable current flow diagram for engine
*4	Only models with diesel engine
*5	Cross-section 1.5 possible
*6	Only models with petrol engine

Wiring Diagram AUDI A4 2013 - Fuse carrier 1

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
N323	Ignition coil 5 with output stage
N324	Ignition coil 6 with output stage
N325	Ignition coil 7 with output stage
N326	Ignition coil 8 with output stage
ST1	Fuse carrier 1
SB14	Fuse 14 on fuse holder B
D101	Connection 1 in engine compartment wiring harness
D102	Connection 2 in engine compartment wiring harness
D108	Connection 6 in engine compartment wiring harness
D121	Connection 19 in engine compartment wiring harness
D122	Connection 20 in engine compartment wiring harness
D123	Connection 21 in engine compartment wiring harness
*	see applicable current flow diagram for engine
*2	Only models with petrol engine
*3	Cross-section 4.0 possible
*4	Only models with diesel engine
*5	Cross-section 1.5 possible
*6	Wiring colour depends on equipment
*7	Only models with 6-cylinder engine
*8	Only models with 8-cylinder engine

Wiring Diagram AUDI A4 2013 - Fuse carrier 1

J500	Power steering control unit
ST1	Fuse carrier 1
SB15	Fuse 15 on fuse holder B
SB16	Fuse 16 on fuse holder B
SB17	Fuse 17 on fuse holder B
T4l	4-pin connector
T4m	4-pin connector
T4x	4-pin connector, black
T4y	4-pin connector, brown
T6h	6-pin connector
Z29	Lambda probe 1 heater after catalytic converter
Z30	Lambda probe 2 heater after catalytic converter
D101	Connection 1 in engine compartment wiring harness
D102	Connection 2 in engine compartment wiring harness
D103	Connection 3 in engine compartment wiring harness
D106	Connection 4 in engine compartment wiring harness
D107	Connection 5 in engine compartment wiring harness
D110	Connection 8 in engine compartment wiring harness
D112	Connection 10 in engine compartment wiring harness
*	see applicable current flow diagram for engine
*2	Cross-section 1.5 possible

Wiring Diagram AUDI A4 2013 - Fuse holder C - Fuse carrier 1

E149	Rear roller blind switch
E256	Button for TCS and electronic stabilisation program
E266	Parking aid button
E284	Garage door operating unit
E538	Electromechanical parking brake button
E540	Auto-hold button
G238	Air quality sensor
G395	Refrigerant pressure and temperature sender
J104	ABS control unit
J530	Garage door operation control unit
J792	Active steering control unit
J882	Seat heating control unit
SC	Fuse holder C
ST1	Fuse carrier 1
SC1	Fuse 1 on fuse holder C
SC2	Fuse 2 on fuse holder C
SC3	Fuse 3 on fuse holder C
T3f	3-pin connector
T3t	3-pin connector
T4a	4-pin connector
T6b	6-pin connector
T8c	8-pin connector
T8f	8-pin connector, black
T8g	8-pin connector
T8r	8-pin connector
T12b	12-pin connector
T16k	16-pin connector
T17e	17-pin connector, in left A-pillar coupling station
T38a	38-pin connector
Y7	Automatic anti-dazzle interior mirror
B627	Positive connection 3 (15), in main wiring harness
*	Only models with navigation system

Wiring Diagram AUDI A4 2013 - Fuse carrier 1

E102	Headlight range control regulator
J393	Convenience system central control unit
J540	Control unit for electromechanical parking brake
J759	Lane departure warning control unit
J869	Control unit for structure-borne sound
MX1	Front left headlight
MX2	Front right headlight
ST1	Fuse carrier 1
SC4	Fuse 4 on fuse holder C
SC5	Fuse 5 on fuse holder C
SC6	Fuse 6 on fuse holder C
SC7	Fuse 7 on fuse holder C
T6bq	6-pin connector
T10a	10-pin connector
T10b	10-pin connector
T10f	10-pin connector
T14a	14-pin connector
T14b	14-pin connector
T17b	17-pin connector, blue
T30a	30-pin connector
T32d	32-pin connector
V48	Left headlight range control motor
V49	Right headlight range control motor
B165	Positive connection 2 (15), in interior wiring harness
B273	Positive connection (15), in main wiring harness

Wiring Diagram AUDI A4 2013 - Fuse carrier 1

G476	Clutch position sender
J250	Electronically controlled damping control unit
J345	Trailer detector control unit
J428	Adaptive cruise control unit
J492	All-wheel drive control unit
J519	Onboard supply control unit
J769	Lane change assist control unit
J770	Lane change assist control unit 2
N110	Selector lever lock solenoid
ST1	Fuse carrier 1
SC8	Fuse 8 on fuse holder C
SC9	Fuse 9 on fuse holder C
SC10	Fuse 10 on fuse holder C
SC11	Fuse 11 on fuse holder C
SC12	Fuse 12 on fuse holder C
T4h	4-pin connector
T6g	6-pin connector
T8d	8-pin connector
T12d	12-pin connector
T12h	12-pin connector
T12i	12-pin connector
T16v	16-pin connector, brown
T32b	32-pin connector
T47a	47-pin connector
T47b	47-pin connector
B273	Positive connection (15), in main wiring harness
X171	Connection (15), rear bumper wiring harness

Wiring Diagram AUDI A4 2013 - Fuse carrier 1

J234	Airbag control unit
J706	Seat occupied recognition control unit
K145	Front passenger side airbag deactivated warning lamp
ST1	Fuse carrier 1
SC13	Fuse 13 on fuse holder C
SC14	Fuse 14 on fuse holder C
SC15	Fuse 15 on fuse holder C
SC16	Fuse 16 on fuse holder C
T6ae	6-pin connector
T10n	10-pin connector, black
T17f	17-pin connector, in right A-pillar coupling station
T17r	17-pin connector, in E-box
T100	100-pin connector
V12	Rear window wiper motor
B163	Positive connection 1 (15), in interior wiring harness
*	see applicable current flow diagram for seat adjustment
*2	see applicable current flow diagram for engine

Wiring Diagram AUDI A4 2013 - Fuse holder C - Fuse carrier 2

F	Brake light switch
J538	Fuel pump control unit
SC	Fuse holder C
SC1	Fuse 1 on fuse holder C
SC2	Fuse 2 on fuse holder C
ST2	Fuse carrier 2
SC3	Fuse 3 on fuse holder C
T4k	4-pin connector
T6bl	6-pin connector
T17e	17-pin connector, red
T17q	17-pin connector, in E-box
B146	Positive connection 1 (87), in interior wiring harness
*	see applicable current flow diagram for engine

Wiring Diagram AUDI A4 2013 - Horn relay - Fuse carrier 2

G476	Clutch position sender
G686	Pressure sender for reducing agent metering system
H2	Treble horn
H7	Bass horn
J413	Horn relay
J519	Onboard supply control unit
ST2	Fuse carrier 2
SC4	Fuse 4 on fuse holder C
SC5	Fuse 5 on fuse holder C
SC6	Fuse 6 on fuse holder C
SC7	Fuse 7 on fuse holder C
T6f	6-pin connector
T6g	6-pin connector
T6l	6-pin connector, green
T8am	8-pin connector, black
T8d	8-pin connector
T8e	8-pin connector
T32b	32-pin connector
V437	Pump for reducing agent
Z103	Heater for reducing-agent pump (heater circuit 2)
368	Earth connection 3, in main wiring harness
B146	Positive connection 1 (87), in interior wiring harness
*	see applicable current flow diagram for seat heating
*2	Only models with manual gearbox
*3	Only left-hand drive models
*4	see applicable current flow diagram for engine

Wiring Diagram AUDI A4 2013 - Fuse carrier 2

G397	Rain and light sensor
J400	Wiper motor control unit
ST2	Fuse carrier 2
SC8	Fuse 8 on fuse holder C
SC9	Fuse 9 on fuse holder C
SC10	Fuse 10 on fuse holder C
SC11	Fuse 11 on fuse holder C
SC12	Fuse 12 on fuse holder C
T3c	3-pin connector
T4g	4-pin connector
T27a	27-pin connector, lower part of A-pillar, driver side
T27b	27-pin connector, lower part of B-pillar, driver side
*	see applicable current flow diagram for convenience system
*2	Only left-hand drive models
*3	Only right-hand drive models

Wiring Diagram AUDI A4 2013 - Fuse carrier 3 - Driver seat adjustment thermal fuse 1 - Front passenger seat adjustment thermal fuse 1 - Fuse holder C

E176	Driver seat lumbar support adjustment switch
E177	Front passenger seat lumbar support adjustment switch
J519	Onboard supply control unit
J792	Active steering control unit
SC1	Fuse 1 on fuse holder C
SC2	Fuse 2 on fuse holder C
SC3	Fuse 3 on fuse holder C
ST3	Fuse carrier 3
SC4	Fuse 4 on fuse holder C
SC5	Fuse 5 on fuse holder C
SC6	Fuse 6 on fuse holder C
S44	Driver seat adjustment thermal fuse 1
S46	Front passenger seat adjustment thermal fuse 1
SC	Fuse holder C
T5d	5-pin connector
T10m	10-pin connector, in coupling point for front seat, right
T10p	10-pin connector, in coupling point for front seat, left
T17b	17-pin connector, in left A-pillar coupling station
T17l	17-pin connector
B300	Positive connection 4 (30), in main wiring harness
*	see applicable current flow diagram for seat adjustment

Wiring Diagram AUDI A4 2013 - Fuse carrier 3

G578	Anti-theft alarm sensor
H12	Alarm horn
J245	Sliding sunroof adjustment control unit
J394	Sunroof roller blind control unit
J519	Onboard supply control unit
ST3	Fuse carrier 3
SC7	Fuse 7 on fuse holder C
SC8	Fuse 8 on fuse holder C
SC9	Fuse 9 on fuse holder C
SC10	Fuse 10 on fuse holder C
SC11	Fuse 11 on fuse holder C
SC12	Fuse 12 on fuse holder C
T3e	3-pin connector
T4f	4-pin connector
T6e	6-pin connector, near front interior light
T10af	10-pin connector
T17l	17-pin connector
T17m	17-pin connector
T17n	17-pin connector
B301	Positive connection 5 (30), in main wiring harness
*	Saloon
*2	Avant

Wiring Diagram AUDI A4 2013 - Fuse holder D - Fuse carrier 1

J527	Steering column electronics control unit
SD	Fuse holder D
SD1	Fuse 1 on fuse holder D
ST1	Fuse carrier 1
SD2	Fuse 2 on fuse holder D
SD3	Fuse 3 on fuse holder D
SD4	Fuse 4 on fuse holder D
SD5	Fuse 5 on fuse holder D
SD6	Fuse 6 on fuse holder D
SD7	Fuse 7 on fuse holder D
T16	16-pin connector
T16f	16-pin connector
T17c	17-pin connector, in left A-pillar coupling station
A2	Positive connection (15), in dash panel wiring harness
*	Diagnostic connection

Wiring Diagram AUDI A4 2013 - Fuse carrier 1

J360	High heat output relay
J533	Data bus diagnostic interface
ST1	Fuse carrier 1
SD8	Fuse 8 on fuse holder D
SD9	Fuse 9 on fuse holder D
SD10	Fuse 10 on fuse holder D
SD11	Fuse 11 on fuse holder D
SD12	Fuse 12 on fuse holder D
T20d	20-pin connector
A2	Positive connection (15), in dash panel wiring harness
*	Only models with petrol engine

Wiring Diagram AUDI A4 2013 - Fuse holder D - Fuse carrier 2

J285	Control unit in dash panel insert
J533	Data bus diagnostic interface
J685	Display unit for front information display and operating unit control unit
R	Radio, black
R41	CD changer
R161	DVD changer
R199	Connection for external audio sources
SD	Fuse holder D
SD1	Fuse 1 on fuse holder D
ST2	Fuse carrier 2
SD2	Fuse 2 on fuse holder D
SD3	Fuse 3 on fuse holder D
SD4	Fuse 4 on fuse holder D
SD5	Fuse 5 on fuse holder D
T8aa	8-pin connector
T8ai	8-pin connector
T12t	12-pin connector
T16l	16-pin connector
T20d	20-pin connector
T32f	32-pin connector
A57	Positive connection 3 (30), in dash panel wiring harness
*	see applicable current flow diagram for MMI (information electronics)
*2	Only models with no start/stop system
*3	Only models with start/stop system
*4	Cross section depends on equipment

Wiring Diagram AUDI A4 2013 - Fuse carrier 2

E1	Light switch
E415	Entry and start authorisation switch
J126	Fresh air blower control unit
J255	Climatronic control unit
J527	Steering column electronics control unit
J764	Control unit for electronic steering column lock
ST2	Fuse carrier 2
SD6	Fuse 6 on fuse holder D
SD7	Fuse 7 on fuse holder D
SD8	Fuse 8 on fuse holder D
SD9	Fuse 9 on fuse holder D
SD10	Fuse 10 on fuse holder D
SD11	Fuse 11 on fuse holder D
SD12	Fuse 12 on fuse holder D
T4j	4-pin connector
T4t	4-pin connector
T6z	6-pin connector
T16	16-pin connector
T16f	16-pin connector
T16g	16-pin connector
T20e	20-pin connector
A32	Positive connection (30), in dash panel wiring harness
*	Diagnostic connection
*2	Only models with no start/stop system
*3	Only models with start/stop system

Wiring Diagram AUDI A4 2013 - Fuse holder F - Fuse carrier 1

SF	Fuse holder F
ST1	Fuse carrier 1
SF1	Fuse 1 in fuse holder F
SF2	Fuse 2 in fuse holder F
SF3	Fuse 3 in fuse holder F
SF4	Fuse 4 in fuse holder F
SF5	Fuse 5 in fuse holder F
SF6	Fuse 6 in fuse holder F
SF7	Fuse 7 in fuse holder F
SF8	Fuse 8 in fuse holder F
SF9	Fuse 9 in fuse holder F
SF10	Fuse 10 in fuse holder F
SF11	Fuse 11 in fuse holder F
SF12	Fuse 12 in fuse holder F
*	see applicable current flow diagram for special purpose vehicles

Wiring Diagram AUDI A4 2013 - Fuse holder F - Fuse carrier 2

E538	Electromechanical parking brake button
J250	Electronically controlled damping control unit
J345	Trailer detector control unit
J756	Rear lid control unit 2
SF	Fuse holder F
SF1	Fuse 1 in fuse holder F
ST2	Fuse carrier 2
SF2	Fuse 2 in fuse holder F
SF3	Fuse 3 in fuse holder F
SF4	Fuse 4 in fuse holder F
SF5	Fuse 5 in fuse holder F
SF6	Fuse 6 in fuse holder F
T10ad	10-pin connector
T12b	12-pin connector
T12d	12-pin connector
T47a	47-pin connector
*	Avant
*2	Cross section depends on equipment

Wiring Diagram AUDI A4 2013 - Fuse carrier 2

J393	Convenience system central control unit
J492	All-wheel drive control unit
J540	Control unit for electromechanical parking brake
J843	Interface control unit for vehicle location system
J909	Control unit for fuel tank leak detection
ST2	Fuse carrier 2
SF7	Fuse 7 in fuse holder F
SF8	Fuse 8 in fuse holder F
SF9	Fuse 9 in fuse holder F
SF10	Fuse 10 in fuse holder F
SF11	Fuse 11 in fuse holder F
SF12	Fuse 12 in fuse holder F
T12u	12-pin connector
T17o	17-pin connector
T17p	17-pin connector
T30a	30-pin connector
T47b	47-pin connector

Wiring Diagram AUDI A4 2013 - Fuse holder F - Fuse carrier 3

J605	Rear lid control unit
SF	Fuse holder F
SF1	Fuse 1 in fuse holder F
SF2	Fuse 2 in fuse holder F
ST3	Fuse carrier 3
SF3	Fuse 3 in fuse holder F
T8ae	8-pin connector
*	Avant

Wiring Diagram AUDI A4 2013 - Fuse carrier 3

J364	Auxiliary heater control unit
J525	Digital sound package control unit
R	Radio
ST3	Fuse carrier 3
SF4	Fuse 4 in fuse holder F
SF5	Fuse 5 in fuse holder F
SF6	Fuse 6 in fuse holder F
T2q	2-pin connector
T3p	3-pin connector
T10ag	10-pin connector
T32h	32-pin connector
U13	DC/AC converter with socket, 12 V - 230 V, in centre console
B305	Positive connection 9 (30), in main wiring harness
*	According to equipment
*2	Cross-section 4.0 possible

Wiring Diagram AUDI A4 2013 - Fuse carrier 3

J540	Control unit for electromechanical parking brake
R36	Telephone transmitter and receiver unit
R64	Remote control receiver for auxiliary heater
R86	Aerial amplifier for mobile telephone
R126	Telephone bracket
ST3	Fuse carrier 3
SF7	Fuse 7 in fuse holder F
SF8	Fuse 8 in fuse holder F
SF9	Fuse 9 in fuse holder F
SF10	Fuse 10 in fuse holder F
SF11	Fuse 11 in fuse holder F
SF12	Fuse 12 in fuse holder F
T4aj	4-pin connector
T4ak	4-pin connector
T6q	6-pin connector
T8f	8-pin connector, black
T12c	12-pin connector
T27c	27-pin connector, lower part of B-pillar, front passenger side
T27d	27-pin connector
T30a	30-pin connector
T54a	54-pin connector
*	see applicable current flow diagram for convenience system
*2	According to equipment
*3	see applicable current flow diagram for seat heating

Wiring Diagram AUDI A4 2013 - Fuse holder F - Fuse carrier 4

SF	Fuse holder F
SF1	Fuse 1 in fuse holder F
SF2	Fuse 2 in fuse holder F
SF3	Fuse 3 in fuse holder F
ST4	Fuse carrier 4
SF4	Fuse 4 in fuse holder F
SF5	Fuse 5 in fuse holder F
SF6	Fuse 6 in fuse holder F

Wiring Diagram AUDI A4 2013 - Fuse carrier 4

ST4	Fuse carrier 4
SF7	Fuse 7 in fuse holder F
SF8	Fuse 8 in fuse holder F
SF9	Fuse 9 in fuse holder F
SF10	Fuse 10 in fuse holder F
SF11	Fuse 11 in fuse holder F
SF12	Fuse 12 in fuse holder F

Wiring Diagram AUDI A4 2013 - Voltage stabiliser - Relay for automatic anti-dazzle interior mirror - Fuse holder F - Fuse carrier 5

J532	Voltage stabiliser
J794	Control unit 1 for information electronics
J799	Control unit for front right seat ventilation
J910	Relay for automatic anti-dazzle interior mirror
SF	Fuse holder F
SF1	Fuse 1 in fuse holder F
SF2	Fuse 2 in fuse holder F
SF3	Fuse 3 in fuse holder F
SF4	Fuse 4 in fuse holder F
ST5	Fuse carrier 5
T6k	6-pin connector, green
T8ao	8-pin connector
T8c	8-pin connector
T12aa	12-pin connector
T17g	17-pin connector, black
T17q	17-pin connector, in E-box
T18c	18-pin connector
Y7	Automatic anti-dazzle interior mirror
370	Earth connection 5, in main wiring harness
B308	Positive connection 12 (30), in main wiring harness
*	Only models with stop/start system
*2	Only models with start/stop system

Wiring Diagram AUDI A4 2013 - Fuse carrier 5

J676	Chip card reader control unit
J772	Reversing camera system control unit
R	Radio
R78	TV tuner
ST5	Fuse carrier 5
SF5	Fuse 5 in fuse holder F
SF6	Fuse 6 in fuse holder F
T8h	8-pin connector, black
T10ag	10-pin connector
T12n	12-pin connector
T20c	20-pin connector
T32ja	32-pin connector
T54b	54-pin connector
B281	Positive connection 5 (15a) in main wiring harness
B308	Positive connection 12 (30), in main wiring harness
*	According to equipment
*2	Only models with equipment for Japan

Wiring Diagram AUDI A4 2013 - Fuse carrier 5

J880	Control unit for reducing agent metering system
J963	Relay for reducing agent metering system
ST5	Fuse carrier 5
SF7	Fuse 7 in fuse holder F
SF8	Fuse 8 in fuse holder F
SF9	Fuse 9 in fuse holder F
SF10	Fuse 10 in fuse holder F
SF11	Fuse 11 in fuse holder F
SF12	Fuse 12 in fuse holder F
T2da	2-pin connector
T2db	2-pin connector
T2dy	2-pin connector, in driver seat armrest
T2dz	2-pin connector, in front passenger seat armrest
T8am	8-pin connector, black
T8d	8-pin connector
T30c	30-pin connector
B282	Positive connection 6 (15a) in main wiring harness
*	see applicable current flow diagram for engine
*2	According to equipment
*3	Avant

Wiring Diagram AUDI A4 2013 - Relay for power sockets

J393	Convenience system central control unit
J807	Relay for power sockets
T3g	3-pin connector
T3l	3-pin connector
T3n	3-pin connector
T3p	3-pin connector
T32c	32-pin connector
U1	Cigarette lighter
U5	12 V socket, in centre console
U13	DC/AC converter with socket, 12 V - 230 V
U18	12 V socket 2, in rear centre console
U19	12 V socket 3, in luggage compartment
372	Earth connection 7, in main wiring harness
B282	Positive connection 6 (15a) in main wiring harness
*	see applicable current flow diagram for basic equipment
*2	Avant
*3	Saloon

AUDI A4 2013 Overview of control units in interior of vehicle

Overview of control units in interior of vehicle

♦ Overview also valid for Avant models (5-door)!

   

q	for models without MMI

q	Location and connectors for models with right-hand drive:

6 -	Automatic anti-dazzle interior mirror -Y7- with Rain and light detector sensor -G397-

q

Location:

9 -	Rear right door control unit -J389-

q	Location: in rear right door

12 -	Fuel pump control unit -J538-

q	Location: under rear seat bench

14 -	Active steering control unit -J792-

q	Location and connectors:

q	Location and connectors for models with right-hand drive:

q	Location and connectors for models with right-hand drive:

18 -	Electronic steering column lock control unit -J764-

q	Location: on steering column

19 -	Climatronic control unit -J255-

q	Location and connectors:

20 -	Control unit for information electronics 1 -J794-

q	for models with MMI

q	Location and connectors:

q	for models with MMI:

AUDI A4 2013 Overview of control units in rear part of vehicle - saloon models (4-door) only

Overview of control units in rear part of vehicle - saloon models (4-door) only

q	Connectors:

q	Overview of Avant models (5-door):

q	Overview of Avant models (5-door):

q	Connector:

q	Overview of Avant models (5-door):

q	Overview of Avant models (5-door):

q	Connectors:

q	Overview of Avant models (5-door):

q	Connectors:

q	Overview of Avant models (5-door):

q	Overview of Avant models (5-door):

q	Overview of Avant models (5-door):

q	Overview of Avant models (5-door):

q	Overview of Avant models (5-door):

AUDI A4 2013 Overview of control units in rear part of vehicle - Avant models (5-door) only

Overview of control units in rear part of vehicle - Avant models (5-door) only

q	Connectors:

q	Connector:

q	Connectors:

q	Connectors:

4 -	Digital sound package control unit -J525-

q	Location: in left of luggage compartment, behind side trim.

4 -	Satellite radio -R146-

q	Location: in left of luggage compartment, behind side trim.

4 -	Navigation​ system​ with​ CD​ drive​ control​ unit​ -J401-

q	Location: in left of luggage compartment, behind side trim.

4 -	TV tuner -R78-

q	Location: in left of luggage compartment, behind side trim.

6 -	Voltage stabiliser -J532-

q	Fitting location:

AUDI A4 2013 Control unit for headlight range control J431 / control unit for bend lighting and headlight range control J745 Control unit for headlight range control -J431- / control unit for bend lighting and headlight range control -J745- Location: in front passenger footwell, behind the glove compartment

A -	Control unit for headlight range control -J431- / control unit for bend lighting and headlight range control -J745-

Connector on control unit for headlight range control -J431-:

A1 -	26-pin connector -T26b-

AUDI A4 2013 Fresh air blower control unit J126 Fresh air blower control unit -J126- Location: in front passenger footwell, behind the glove compartment

A -	Fresh air blower control unit -J126-

AUDI A4 2013 Driver door control unit J386

Driver door control unit -J386-

Location door control unit, driver side -J386- for models with left-hand drive:

In driver door.

t	Figure shows left-hand drive model.

t	Figure for right-hand drive models .

   

A -	Driver door control unit -J386-

A2 -	16-pin connector -T16m-

A4 -	6-pin connector -T6am-

.

A -	Driver door control unit -J386-

A1 -	32-pin connector -T32j-

A2 -	16-pin connector -T16m-

A3 -	20-pin connector -T20f-

A4 -	6-pin connector -T6am-

AUDI A4 2013 Front passenger door control unit J387 Front passenger door control unit -J387- Location door control unit, front passenger side -J387- for models with left-hand drive: in front passenger door   Note: t  Figure shows left-hand drive model. t  Figure for right-hand drive models .

A -	Front passenger door control unit -J387-

A2 -	16-pin connector -T16n-

A4 -	6-pin connector -T6ao-

.

A -	Front passenger door control unit -J387-

A1 -	32-pin connector -T32l-

A2 -	16-pin connector -T16n-

A3 -	20-pin connector -T20g-

A4 -	6-pin connector -T6ao-

AUDI A4 2013 Automatic anti-dazzle interior mirror Y7 with Rain and light detector sensor G397 Automatic anti-dazzle interior mirror -Y7- with Rain and light detector sensor -G397- Location: at front of roof side member.

Rain and light detector sensor -G397-

4 -	Main beam assist control unit -J844-

AUDI A4 2013 Sliding​ sunroof​ adjustment​ control​ unit J245 with sliding sunroof motor V1 Sliding​ sunroof​ adjustment​ control​ unit -J245- with sliding sunroof motor -V1- Location: in roof module, on upper front roof frame Connector:

AUDI A4 2013 Onboard supply control unit J519

Onboard supply control unit -J519-

Location onboard supply control unit -J519- for models with left-hand drive:

Driver side dash panel, bottom.

t	Figure shows left-hand drive model.

t	Figure for right-hand drive models .

   

A -	Onboard supply control unit -J519-

A2 -	17-pin connector, brown (connector E) -T17m-

A4 -	6-pin​ connector,​ green​ (connector​ G) -T6f-

A6 -	16-pin connector, brown (connector C) -T16b-

Location onboard supply control unit -J519- for models with right-hand drive:

Driver side dash panel, bottom.

t	Figure​ shows​ right-hand drive​ model.

t	Figure for left-hand drive models .

   

A -	Onboard supply control unit -J519-

A1 -	17-pin connector, black (connector D) -T17l-

A2 -	17-pin connector, brown (connector E) -T17m-

A3 -	17-pin connector, red (connector F) -T17n-

A4 -	6-pin​ connector,​ green​ (connector​ G) -T6f-

A5 -	32-pin connector, grey (connector A) -T32a-

A6 -	16-pin connector, brown (connector C) -T16b-

A7 -	32-pin connector, black (connector B) -T32b-

AUDI A4 2013 Active steering control unit J792 Active steering control unit -J792- Location: Under the carpet in the driver's footwell

4 -	Active steering control unit -J792-

Connectors:

2 -	8-pin connector, black -T8g-

AUDI A4 2013 Radio R (with integrated CD changer R41 / DVD changer R161 )

Radio -R- (with integrated CD changer -R41- / DVD changer -R161-)

Location:

in middle part dash panel.

   

A -

Radio -R-

A1 -	Connector block, consisting of:

t	8-pin connector, brown -T8k-

t	8-pin connector, black -T16l-

t	12-pin connector, green -T12a-

t	12-pin connector, blue -T12s-

1-pin connector, black -T1i- (connection DAB) / 1-pin connector, green -T1k- (connection SDARS)

A4 -	2-pin connector, white -T2df- (AM / FM1 / FM2 connection)

AUDI A4 2013 CD changer R41 / DVD changer R161 CD changer -R41- / DVD changer -R161- Location: In glove compartment.

A -	CD changer -R41- / DVD changer -R161-

A1 -	8-pin connector -T8aa-

A2 -	2-pin connector -T2dm-

AUDI A4 2013 Chip card reader control unit J676 Chip card reader control unit -J676- Location: In glove compartment.   Note: t  Figure​ shows​ right-hand drive​ model. t  for models with Japan navigation system only.

A -	Chip card reader control unit -J676-

AUDI A4 2013 Display unit for front information display and operating unit control unit J685

Display unit for front information display and operating unit control unit -J685-

Location:

Dash panel - centre.

Connector -A1- is given as an example for differing equipment versions

   

A -	Display unit for front information display and operating unit control unit -J685-

A1 -	Connector for models with MMI High up to August 2009:

t	22-pin connector, black -T22b-

A1 -	Connectors for models with MMI Basic, from September 2009:

t	8-pin connector, black -T8ai-

t	4-pin connector, white -T4ao-

A1 -	Connectors for models with MMI High from September 2009:

t	8-pin connector, black -T8ai-

t	4-pin connector, black -T4an-

A1 -	10-pin connector, red -T10u-

A1 -

AUDI A4 2013 Control unit for information electronics 1 J794

Control unit for information electronics 1 -J794-

Location:

in middle part dash panel.

   

A -	Control unit for information electronics 1 -J794-

A2 -	1-pin connector, blue -T1n-

A3 -

Vacant

A5 -	for models with -J794- basic:

t	4-pin connector, violet -T4al-

A6 -	1-pin connector, green -T1o-

A7 -	Connector block, consisting of:

t	8-pin​ connector,​ brown​ -T8ah-

t	8-pin​ connector,​ black​ -T8ao-

t	12-pin connector, blue -T12x-

t	12-pin connector, green -T12y-

AUDI A4 2013 Multimedia​ system​ operating​ unit​ E380

Multimedia​ system​ operating​ unit​ -E380-

Location:

on centre console.

   

A -	Multimedia​ system​ operating​ unit​ -E380-

AUDI A4 2013 Climatronic control unit J255

Climatronic control unit -J255-

Location:

in middle part dash panel.

   

A -	Climatronic control unit -J255-

A2 -	20-pin connector -T20e-

AUDI A4 2013 Airbag​ control​ unit​ J234 Airbag​ control​ unit​ -J234- Location: Under centre console

A -	Airbag​ control​ unit​ -J234-

AUDI A4 2013 Telephone transmitter and receiver unit R36

Telephone transmitter and receiver unit -R36-

Location:

in front right footwell.

   

A -	Telephone transmitter and receiver unit -R36-

A1 -	Connector -B- (Aerial​ for​ Bluetooth)

AUDI A4 2013 16-pin connector T16 diagnostic connection

16-pin connector -T16- diagnostic connection

Location:

Driver side dash panel, bottom.

   

A -	16-pin connector -T16- diagnostic connection

AUDI A4 2013 Data bus diagnostic interface J533 Data bus diagnostic interface -J533- Location: below the dash panel.

A -	Data bus diagnostic interface -J533-

A2 -	20-pin connector -T20d-

AUDI A4 2013 Control unit in dash panel insert J285 Control unit in dash panel insert -J285- Location: in the dash panel.

A -	Control unit in dash panel insert -J285-

AUDI A4 2013 Control units on right in luggage compartment

Control units on right in luggage compartment

   

Location: 1 -  Convenience system central control unit -J393- Connectors on convenience system central control unit -J393- → Chapter 2 -  Aerial​ amplifier​ for​ mobile​ telephone -R86- 3 -  Electronically controlled damping control unit -J 250- Connector on electronically controlled damping control unit -J250- 4 -  Reversing camera system control unit -J772- 5 -  Trailer detector control unit -J345- Connectors on trailer detector control unit -J345- 6 -  Park assist steering control unit -J791- Connectors on park assist steering control unit -J791- 7 -  Control​ unit​ for​ electromechanical​ parking​ brake -J540-

https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car

Connectors on convenience system central control unit -J393-

2 -	32-pin connector, black (connector B) -T32c-

4 -	32-pin connector, blue (connector F) -T32e-

5 -	6-pin​ connector​ (connector​ G) -not assigned-

7 -	1-pin​ connector,​ grey​ (connector​ D) -T1h-

Connector on electronically controlled damping control unit -J250-

A -	Electronically controlled damping control unit -J 250-

Connector:

Connectors on trailer detector control unit -J345-

A -	Trailer detector control unit -J345-

Connectors:

C -	12-pin connector, red -T12d-

Connectors on Parallel​ Parking​ Assistance​ Control​ Module -J791-

B -	12-pin connector, brown -T12e-

AUDI A4 2013 All-wheel drive control unit J492

All-wheel drive control unit -J492-

.

   

1 -	All-wheel drive control unit -J492-

Location for Avant (5-door) models:

on right wheel housing.

t	Figure shows Avant (5-door) model.

t	Figure for saloon (4-door) model .

   

1 -	All-wheel drive control unit -J492-

2 -	47-pin connector -T47b-

AUDI A4 2013 Voltage stabiliser J532 Voltage stabiliser -J532- Location: In spare wheel recess, on left next to battery.

1 -	Voltage stabiliser -J532-

AUDI A4 2013 Battery​ monitor​ control​ unit​ J367

Battery​ monitor​ control​ unit​ -J367-

Location:

at negative terminal of battery -A-.

   

3 -	2-pin connector -T2x-

AUDI A4 2013 Overview of relays

Overview of relays

Overview also valid for Avant models (5-door)!

   

q	Fitting location for models from November 2011:

1 -

2 -

q	Fitting location for models with right-hand drive:

q	Fitting location for models with right-hand drive:

q	Fitting location for models with right-hand drive:

AUDI A4 2013 Relay/fuse holder with onboard supply control unit J519 Relay/fuse holder with onboard supply control unit -J519- valid up to May 2009 for models with 3.2l, 6-cylinder petrol engine without auxiliary heater 2)  Only models with start/stop system   Note t  Figure shows left-hand drive model. t  Figure for right-hand drive models .

1 -	Not assigned

2 -	Circulation pump relay -J160-

2 -	Horn relay -J413-

2 -	Relay for automatic anti-dazzle interior mirror -J910-

3 -	Terminal 15 voltage supply relay -J329-

4 -	Taxi alarm remote control, control unit -J601-

4 -	Special vehicle control unit -J608-

valid up to May 2009 for models with 3.2l, 6-cylinder petrol engine without auxiliary heater 5)  Only models with start/stop system   Note t  Figure​ shows​ right-hand drive​ model. t  Figure for left-hand drive models .

1 -	Not assigned

2 -	Circulation pump relay -J160-

2 -	Horn relay -J413-

2 -	Relay for automatic anti-dazzle interior mirror -J910-

3 -	Terminal 15 voltage supply relay -J329-

4 -	Taxi alarm remote control, control unit -J601-

4 -	Special vehicle control unit -J608-

AUDI A4 2013 3-pin relay and fuse holder 3-pin relay and fuse holder Only models with diesel engine   Note t  Figure shows left-hand drive model. t  Figure for right-hand drive models .

1 -	Auxiliary air heater control unit -J604-

2 -	Low heat output relay -J359-

3 -	High heat output relay -J360-

Only models with diesel engine   Note t  Figure​ shows​ right-hand drive​ model. t  Figure for left-hand drive models .

1 -	Auxiliary air heater control unit -J604-

2 -	Low heat output relay -J359-

3 -	High heat output relay -J360-

AUDI A4 2013 Relay/ fuse holder B SB Relay/fuse holder B -SB- Only models with diesel engine 10)  for models with 6-cylinder petrol engine only 12)  for models with 8-cylinder petrol engine (RS4) only   Note t  Figure shows left-hand drive model. t  Figure for right-hand drive models . t  -SB14- to -SB17- in -ST1- for models as of November 2011 only.

A -	Automatic glow period control unit -J179-

A -	Engine component current supply relay -J757-

B -	Starter motor relay -J53-

q	Position 2.1

B -	Starter motor relay 2 -J695-

q	Position 2.2

C -	Secondary air pump relay -J299-

D -	Terminal 30 voltage supply relay -J317-

D -	Motronic current supply relay -J271-

E -	Fuel pump relay -J17-

E -	Brake servo relay -J569-

E -	Relay for supplementary fuel pump -J832-

E -	Continued coolant circulation relay -J151-

E -	Additional coolant pump relay -J496-

E -	Gearbox cooling circuit relay -J696-

E -	Engine component current supply relay 2 -J976-

F -	Secondary air pump relay 2 -J545-

Only models with diesel engine 15)  for models with 6-cylinder petrol engine only 17)  for models with 8-cylinder petrol engine (RS4) only   Note t  Figure​ shows​ right-hand drive​ model. t  Figure for left-hand drive models . t  -SB14- to -SB17- in -ST1- for models as of November 2011 only.

A -	Automatic glow period control unit -J179-

A -	Engine component current supply relay -J757-

B -	Starter motor relay -J53-

q	Position 2.1

B -	Starter motor relay 2 -J695-

q	Position 2.2

C -	Secondary air pump relay -J299-

D -	Terminal 30 voltage supply relay -J317-

D -	Motronic current supply relay -J271-

E -	Fuel pump relay -J17-

E -	Relay for supplementary fuel pump -J832-

E -	Continued coolant circulation relay -J151-

E -	Additional coolant pump relay -J496-

E -	Gearbox cooling circuit relay -J696-

E -	Engine component current supply relay 2 -J976-

F -	Secondary air pump relay 2 -J545-

AUDI A4 2013 Relay/ fuse holder F SF up to October 2011 Relay/fuse holder F -SF- up to October 2011 Fitting location of relay/fuse holder F -SF-:

in luggage compartment, behind side trim on right 19)  for special vehicles only Position of relays saloon (4-door): A -  Not assigned B -  Battery regulation control unit -J84- C -  Heated rear window relay -J9- D -  Not assigned E -  Relay for power sockets -J807- Relay assignment Avant (5-door): A -  Heated rear window relay -J9- B -  Battery regulation control unit -J84- C -  Not assigned D -  Not assigned E -  Relay for power sockets -J807- AUDI A4 2013 Relay/ fuse holder F SF from November 2011 Relay/fuse holder F -SF- from November 2011 Location, relay/fuse holder F -SF- from November 2011: in luggage compartment, behind side trim on right 20)  for special vehicles only

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Position of relays saloon (4-door): A -  Not assigned B -  Reducing agent metering system relay -J963- C -  Two-way radio voltage relay -J84-, discontinued from April 2012 D -  Heated rear window relay -J9- E -  Relay for power sockets -J807- Relay assignment Avant (5-door): A -  Heated rear window relay -J9- B -  Reducing agent metering system relay -J963- C -  Not assigned D -  Not assigned E -  Relay for power sockets -J807-

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AUDI A4 2013 Overview of fuses

Overview of fuses

Overview also valid for Avant models (5-door)!

   

Fuse holder A -SA-

q	Fitting location:

1 -	Battery isolation relay fuse -S171-

q	Fitting location next to second battery

q	Fitting location for models with right-hand drive, up to and including model year 2009:

q	Fitting location for models with left-hand drive, from model year 2010:

q	Fitting location for models with right-hand drive, from model year 2010:

q	Fitting location for models with left-hand drive, from November 2011:

q	Fitting location for models with right-hand drive, from November 2011:

q	Fitting location for models with right-hand drive:

6-pin coupling station of A-pillar, driver side

q	Fitting location for models with left-hand drive:

q	Fitting location for models with right-hand drive:

3-pin relay and fuse holder

q	Fitting location for models with left-hand drive:

q	Fitting location for models with right-hand drive:

Relay/fuse holder B -SB-

q	Fitting location for models with left-hand drive, up to October 2011:

q	Fitting location for models with right-hand drive, up to October 2011:

q	Fitting location for models with left-hand drive, from November 2011:

q	Fitting location for models with right-hand drive, from November 2011:

Terminal 30 wiring junction 2 -TV22- with jump start socket -U6-

q	Fitting location up to October 2011:

q	Fitting location from November 2011:

6-pin coupling station of A-pillar, front passenger side

q	Fitting location for models with left-hand drive:

q	Fitting location for models with right-hand drive:

q	Fitting location for models with right-hand drive:

Relay/fuse holder F -SF-

q	Fitting location up to and including model year 2009:

q	Fitting location from model year 2010:

q	Fitting location from November 2011:

AUDI A4 2013 Fuse holder A SA Fuse holder A -SA- Fitting location: on battery positive pole, in luggage compartment

A -	Battery isolation igniter -N253-

1 -	Fuse 1 on fuse holder A -SA1-,

2 -	Fuse 2 on fuse holder A -SA2-,

3 -	Fuse 3 on fuse holder A -SA3-,

for models with left-hand drive only 2)  30 3 - Fuse 3 on fuse holder A -SA3- 40 A 50 A 110 A 80 A - Driving school option Rental car option Public authority option Fuse 1 for ABS control unit -S123- Fuse 2 for ABS control unit -S124- Fuse 3 for ABS control unit -S137- 30 AUDI A4 2013 Relay/ fuse​ holder​ B SB up to October 2011 Relay/fuse​ holder​ B -SB- up to October 2011 Location, relay/fuse holder B -SB- for models with left-hand drive, up to October 2011: In electronics box in plenum chamber, driver side 3)  for models with 6-cylinder diesel engine only 5)  .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car K -  Engine glow plug strip fuse -S39-, 60 A K -  Engine glow plug strip fuse -S39-, 80 A K -  Secondary​ air​ pump​ fuse -S130-, 50 A L -  NOx​ sender​ fuse​ -S360-, 5 A ST1 -  Fuse carrier 1, fuses for models with 4-cylinder diesel engine only 7)  for models with 6-cylinder petrol engine only   Note t  Figure​ shows​ right-hand drive​ model. t  Figure for left-hand drive models .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car K -  Engine glow plug strip fuse -S39-, 60 A K -  Engine glow plug strip fuse -S39-, 80 A K -  Secondary​ air​ pump​ fuse -S130-, 50 A L -  NOx​ sender​ fuse​ -S360-, 5 A ST1 -  Fuse carrier 1, fuses for models with 4-cylinder petrol engine (1.8 l TFSI) only 10)  for models with 6-cylinder petrol engine (3.2 l FSI) only 12)  for models with 4-cylinder diesel engine (2.0 l TDI) only 14)  for models with 4-cylinder diesel engine (2.0 l TDI - gen. 2) 16)  15 A 15 A 15 A 15 A 15 A 15 A 20 A - Air mass meter -G70- Automatic glow period control unit -J179- Secondary air pump relay -J299- Throttle valve control unit -J338- Low heat output relay -J359- High heat output relay -J360- Charge pressure control solenoid valve -N75- Crankcase breather heater element -N79- Activated charcoal filter solenoid valve 1 -N80- Secondary air injection valve -N112- Left electrohydraulic engine mounting solenoid valve -N144- Right electrohydraulic engine mounting solenoid valve -N145- Variable intake manifold changeover valve -N156- Air filter bypass flap valve -N275- Fuel pressure regulating valve -N276- Fuel metering valve -N290- Secondary air injection valve 2 -N320- Exhaust gas recirculation cooler changeover valve -N345- Oil pressure control valve -N428- Fuel system diagnostic pump -V144- 87 6   Fuse 6 on fuse holder B -SB6- 15 A - Engine control unit -J623- 87 7   Fuse 7 on fuse holder B -SB7- 10 A 10 A 10 A 10 A 10 A 10 A 15 A 15 A - Actuator 1 for camshaft adjustment -F366- t  up to Actuator 8 for camshaft adjustment -F373- Actuator 9 for camshaft adjustment -F374- t  up to Actuator 12 for camshaft adjustment -F377- Continued coolant circulation relay -J151- Additional​ coolant​ pump​ relay -J496- Charge pressure control solenoid valve -N75- Activated charcoal filter solenoid valve 1 -N80- Left electrohydraulic engine mounting solenoid valve -N144- Right electrohydraulic engine mounting solenoid valve -N145- Camshaft control valve 1 -N205- Camshaft control valve 2 -N208- Turbocharger air recirculation valve -N249- Fuel pressure regulating valve -N276- Fuel metering valve -N290- Intake manifold flap valve -N316- Exhaust camshaft control valve 1 -N318- Exhaust camshaft control valve 2 -N319- Climatronic coolant shut-off valve -N422- Oil pressure control valve -N428- Fuel system diagnostic pump -V144- Charge air cooling pump -V188- 87 8   Fuse 8 on fuse holder B -SB8- 5 A 10 A 10 A 10 A 20 A 20 A 20 A 20 A - Exhaust gas recirculation cooler pump -V400- 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- Ignition coil 6 with output stage -N324- 87 9   Fuse 9 on fuse holder B -SB9- 5 A 15 A 15 A 20 A 20 A 20 A - Supplementary fuel pump relay -J832- Lambda probe 1 heater after catalytic converter -Z29- Lambda probe 2 heater after catalytic converter -Z30- 87 10   Fuse 10 on fuse holder B -SB10- 10 A 15 A 15 A 15 A 15 A 15 A 15 A - Lambda probe heater -Z19- Lambda probe heater 2 -Z28- Lambda probe 1 heater after catalytic converter -Z29- 87 11   Fuse 11 on fuse holder B -SB11- 5 A - Radiator fan control unit -J293- Radiator fan control unit 2 -J671- 87 12 - Fuse 12 on fuse holder B -SB12- 5 A - Air mass meter -G70- Automatic gearbox control unit -J217- Mechatronic unit for dual clutch gearbox -J743- 15 AUDI A4 2013 Relay/ fuse holder B SB from November 2011 Relay/fuse holder B -SB- from November 2011 for models with 4-cylinder diesel engine only 18)  for models with 6-cylinder petrol engine only   Note t  Figure shows left-hand drive model. t  Figure for right-hand drive models .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car K -  Engine glow plug strip fuse -S39-, 60 A K -  Engine glow plug strip fuse -S39-, 80 A K -  Secondary​ air​ pump​ fuse -S130-, 50 A ST1 -  Fuse carrier 1, fuses for models with 4-cylinder diesel engine only 21)  for models with 6-cylinder petrol engine only 23)  .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car K -  Engine glow plug strip fuse -S39-, 60 A K -  Engine glow plug strip fuse -S39-, 80 A K -  Secondary​ air​ pump​ fuse -S130-, 50 A L -  Secondary​ air​ pump​ fuse 2 -S284-, 50 A ST1 -  Fuse carrier 1, fuses for models with 4-cylinder petrol engine (1.8 l TFSI gen. 2) 25)  for models with 4-cylinder petrol engine (2.0 l TFSI) only 27)  for models with 4-cylinder diesel engine (2.0 l TDI) only 29)  for models with 6-cylinder diesel engine (3.0 l TDI BIN 5) only 31)  for models with 8-cylinder petrol engine only (for RS 4 only) 33)  5 A 7.5 A 10 A 10 A 10 A - Air mass meter -G70- Fuel pressure regulating valve -N276- Fuel metering valve -N290- Magnetic clutch for supercharger -N421- 87 6   Fuse 6 on fuse holder B -SB6- 15 A - Engine control unit -J623- Injector 2, cylinder 1 -N532- Injector 2, cylinder 2 -N533- Injector 2, cylinder 3 -N534- Injector 2, cylinder 4 -N535- Activated charcoal filter solenoid valve 1 -N80- Secondary air inlet valve -N112- Oil pressure control valve -N428- Actuator for engine temperature regulation -N493- Engine oil cooler valve -N554- Charge pressure positioner 2 -V546- 87 7   Fuse 7 on fuse holder B -SB7- 10 A 10 A 10 A 10 A - Actuator 1 for camshaft adjustment -F366- Actuator 2 for camshaft adjustment -F367- Actuator 3 for camshaft adjustment -F368- Actuator 4 for camshaft adjustment -F369- Actuator 5 for camshaft adjustment -F370- Actuator 6 for camshaft adjustment -F371- Actuator 7 for camshaft adjustment -F372- Actuator 8 for camshaft adjustment -F373- Charge pressure control solenoid valve -N75- Activated charcoal filter solenoid valve 1 -N80- Left electrohydraulic engine mounting solenoid valve -N144- Right electrohydraulic engine mounting solenoid valve -N145- Camshaft control valve 1 -N205- Camshaft control valve 2 -N208- Exhaust flap valve -N220- Turbocharger air recirculation valve -N249- Fuel pressure regulating valve -N276- Fuel metering valve -N290- Intake manifold flap valve -N316- Exhaust camshaft control valve 1 -N318- Exhaust camshaft control valve 2 -N319- Climatronic coolant shut-off valve -N422- Oil pressure control valve -N428- Coolant valve for gearbox -N488- Piston cooling jet control valve -N522- Continued coolant circulation pump -V51- Pump for exhaust gas recirculation cooler -V400- 87 8   Fuse 8 on fuse holder B -SB8- 5 A 5 A 7.5 A 10 A 15 A - NOx sender 2 -G687- Control unit for NOx sender 2 -J881- Brake servo relay -J569- NOx sender -G295- Particulate sensor -G784- Control unit for NOx sender -J583- Left electrohydraulic engine mounting solenoid valve -N144- Right electrohydraulic engine mounting solenoid valve -N145- Secondary air pump relay -J299- Charge air cooling pump -V188- 87 9   Fuse 9 on fuse holder B -SB9- 5 A - Voltage stabiliser -J532- Engine control unit -J623- 87 10   Fuse 10 on fuse holder B -SB10- 5 A 10 A 10 A 15 A 15 A 15 A 15 A - Lambda probe heater -Z19- Lambda probe heater 2 -Z28- Lambda probe 1 heater after catalytic converter -Z29- Power steering control unit -J500- 87 11   Fuse 11 on fuse holder B -SB11- 5 A - Radiator fan control unit -J293- Radiator fan control unit 2 -J671- 87 12   Fuse 12 on fuse holder B -SB12- 5 A - Automatic gearbox control unit -J217- Mechatronic unit for dual clutch gearbox -J743- 87 13   Fuse 13 on fuse holder B -SB13- 15 A - - only for : Injector 2, cylinder 1 -N532- Injector 2, cylinder 2 -N533- Injector 2, cylinder 3 -N534- Injector 2, cylinder 4 -N535- Injector 2,cylinder 5 -N536- Injector 2, cylinder 6 -N537-   14   Fuse 14 on fuse holder B -SB14- 5 A 20 A 20 A 20 A 20 A 20 A 30A - Engine component current supply relay 2 -J976- 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- Ignition coil 6 with output stage -N324- Ignition coil 7 with output stage -N325- Ignition coil 8 with output stage -N326- Climatronic coolant shut-off valve -N422- Pump for exhaust gas recirculation cooler -V400- 87 15   Fuse 15 on fuse holder B -SB15- 5 A 20 A - Power steering control unit -J500- , not for Lambda probe heater -Z19-, only for Lambda probe heater 2 -Z28-, only for 87 16   Fuse 16 on fuse holder B -SB16- 15 A 25 A - Map-controlled engine cooling system thermostat -F265- Automatic glow period control unit -J179- Secondary air pump relay -J299- Low heat output relay -J359- High heat output relay -J360- Additional coolant pump relay -J496- Secondary air pump 2 relay -J545- Gearbox cooling circuit relay -J696- Charge pressure control solenoid valve -N75- Heater element for crankcase breather -N79- Activated charcoal filter solenoid valve 1 -N80- Secondary air inlet valve -N112- Left electrohydraulic engine mounting solenoid valve -N144- Right electrohydraulic engine mounting solenoid valve -N145- Air filter bypass flap valve -N275- Intake manifold flap valve -N316- Secondary air inlet valve 2 -N320- Exhaust gas recirculation cooler changeover valve -N345- Oil pressure control valve -N428- Coolant valve for gearbox -N488- Coolant valve for cylinder head -N489- Actuator for engine temperature regulation -N493- Coolant circulation pump -V50- Charge air cooling pump -V188- Crankcase breather valve -V546- Engine control unit -J623- 87 17   Fuse 17 on fuse holder B -SB17- 15 A 20 A - Lambda probe 1 heater after catalytic converter -Z29- Lambda probe 2 heater after catalytic converter -Z30- 87 AUDI A4 2013 Fuse holder C SC up to model year 2009 Fuse holder C -SC- up to model year 2009 Location fuse holder C -SC- up to model year 2009 for models with left-hand drive: Below the dash panel cover, driver side   Note t  Figure shows left-hand drive model. t  Figure for right-hand drive models .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car ST1 -  Fuse carrier 1, fuses ST2 -  Fuse carrier 2, fuses ST3 -  Fuse carrier 3, fuses .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car ST1 -  Fuse carrier 1, fuses ST2 -  Fuse carrier 2, fuses ST3 -  Fuse carrier 3, fuses Fuses in fuse carrier ST2 on fuse holder C -SC- (brown) 34)  Only models with diesel engine     No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - Fuse 1 on fuse holder C -SC1- 5 A - Circulation pump relay -J160- 87 2 - Fuse 2 on fuse holder C -SC2- 5 A - Clutch pedal switch -F36- Clutch pedal switch for engine start -F194- Clutch position sender -G476- 87 3 - Fuse 3 on fuse holder C -SC3- 20 A 25 A - Fuel system pressurisation pump -G6- Fuel pump control unit -J538- 87 4 - Fuse 4 on fuse holder C -SC4- 5 A - Circulation pump relay -J160- 15 5 - Fuse 5 on fuse holder C -SC5- 30 A - Onboard supply control unit -J519- 30 6 - Fuse 6 on fuse holder C -SC6- 10 A - ABS control unit -J104- 30 7 - Fuse 7 on fuse holder C -SC7- 25 A - Horn relay -J413- 30 8 - Fuse 8 on fuse holder C -SC8- 30 A - Driver door control unit -J386- Rear left door control unit -J388- 30 9 - Fuse 9 on fuse holder C -SC9- 30 A - Wiper motor control unit -J400- 30 10 - Fuse 10 on fuse holder C -SC10- 25 A - ABS control unit -J104-4 30 11 - Fuse 11 on fuse holder C -SC11- 15 A - Driver door control unit -J386- Rear left door control unit -J388- 30 12 - Fuse 12 on fuse holder C -SC12- 5 A - Rain and light sensor -G397- 30 AUDI A4 2013 Fuse holder C SC from model year 2010 Fuse holder C -SC- from model year 2010 .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car ST1 -  Fuse carrier 1, fuses ST2 -  Fuse carrier 2, fuses ST3 -  Fuse carrier 3, fuses .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car ST1 -  Fuse carrier 1, fuses ST2 -  Fuse carrier 2, fuses ST3 -  Fuse carrier 3, fuses Fuses in fuse carrier ST2 on fuse holder C -SC- (brown) 36)  for models with diesel engine (without J538) only 38)  for models with left-hand drive only 40)  for models with seat ventilation only     No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - Fuse 1 on fuse holder C -SC1- 5 A - Automatic anti-dazzle interior mirror -Y7- 15 2 - Fuse 2 on fuse holder C -SC2- 5 A - Clutch position sender -G476- 87 3 - Fuse 3 on fuse holder C -SC3- 20 A 25 A 25 A - Fuel system pressurisation pump -G6- Fuel pump control unit -J538- 87 4 - Fuse 4 on fuse holder C -SC4- 10 A - Circulation pump relay -J160- Pump for reducing agent -V437- 15 5 - Fuse 5 on fuse holder C -SC5- 15 A 30 A - Onboard supply control unit -J519- 30 6 - Fuse 6 on fuse holder C -SC6- 10 A - ABS control unit -J104- 30 7 - Fuse 7 on fuse holder C -SC7- 25 A - Horn relay -J413- 30 8 - Fuse 8 on fuse holder C -SC8- 30 A - Left doors 30 9 - Fuse 9 on fuse holder C -SC9- 30 A - Wiper motor control unit -J400- 30 10 - Fuse 10 on fuse holder C -SC10- 25 A - ABS control unit -J104- 30 11 - Fuse 11 on fuse holder C -SC11- 15 A - Left doors 30 12 - Fuse 12 on fuse holder C -SC12- 5 A - Rain and light sensor -G397- 30 AUDI A4 2013 Fuse holder C SC from November 2011 Fuse holder C -SC- from November 2011 .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car ST1 -  Fuse carrier 1, fuses ST2 -  Fuse carrier 2, fuses ST3 -  Fuse carrier 3, fuses .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car ST1 -  Fuse carrier 1, fuses ST2 -  Fuse carrier 2, fuses ST3 -  Fuse carrier 3, fuses Fuses in fuse carrier ST2 on fuse holder C -SC- (brown) 42)  for models with seat ventilation only     No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - Fuse 1 on fuse holder C -SC1- - Not assigned 2 - Fuse 2 on fuse holder C -SC2- 5 A - Brake light switch -F- 87 3 - Fuse 3 on fuse holder C -SC3- 25 A - Fuel pump control unit -J538- 87 4 - Fuse 4 on fuse holder C -SC4- 5 A - Clutch position sender -G476- Pressure sender for reducing agent metering system -G686- Control unit for reducing agent metering system -J880- Pump for reducing agent -V437- Heater for reducing-agent pump -Z103- 87 5 - Fuse 5 on fuse holder C -SC5- 15 A 30 A - Onboard supply control unit -J519- Control unit for front left seat ventilation -J800- 30 6 - Fuse 6 on fuse holder C -SC6- 5 A - ABS control unit -J104- 30 7 - Fuse 7 on fuse holder C -SC7- 15 A - Treble horn -H2- Bass horn -H7- Horn relay -J413- 30 8 - Fuse 8 on fuse holder C -SC8- 30 A - Front left door 30 9 - Fuse 9 on fuse holder C -SC9- 30 A - Wiper motor control unit -J400- 30 10 - Fuse 10 on fuse holder C -SC10- 25 A - ABS control unit -J104- 30 11 - Fuse 11 on fuse holder C -SC11- 30 A - Rear left door 30 12 - Fuse 12 on fuse holder C -SC12- 5 A - Rain and light sensor -G397- 30 AUDI A4 2013 Fuse holder D SD Fuse holder D -SD- Location fuse holder D -SD- for models with left-hand drive: Below the dash panel cover, front passenger side   Note t  Figure shows left-hand drive model. t  Figure for right-hand drive models .

ST1 -

Fuse carrier 1, fuses

ST2 -

Fuse carrier 2, fuses

A -	46-pin connector, black, CAN disconnector, dash panel -T46s-

.

ST1 -

Fuse carrier 1, fuses

ST2 -

Fuse carrier 2, fuses

A -	46-pin connector, black, CAN disconnector, dash panel -T46s-

applicable up to October 2011

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
1	-	Fuse 1 on fuse holder D -SD1-		-	Not assigned
2	-	Fuse 2 on fuse holder D -SD2-		-	Not assigned
3	-	Fuse 3 on fuse holder D -SD3-		-	Not assigned
4	-	Fuse 4 on fuse holder D -SD4-		-	Not assigned
5	-	Fuse 5 on fuse holder D -SD5-	5 A	-	Steering column electronics control unit -J527-	15
6	-	Fuse 6 on fuse holder D -SD6-	5 A	-	TCS and ESP button -E256- Parking aid button -E266-	15
7	-	Fuse 7 on fuse holder D -SD7-	5 A	-	16-pin connector -T16-, diagnostic connector	15
8	-	Fuse 8 on fuse holder D -SD8-	5 A	-	Data bus diagnostic interface -J533-	15
9	-	Fuse 9 on fuse holder D -SD9-	5 A	-	High heat output relay -J360-	15
10	-	Fuse 10 on fuse holder D -SD10-		-	Not assigned
11	-	Fuse 11 on fuse holder D -SD11-		-	Not assigned
12	-	Fuse 12 on fuse holder D -SD12-		-	Not assigned

for models with radio (CAN) with external amplifier only 46)  for models with radio chorus and sound system Basic (from November 2009) only 48)  applicable up to October 2011

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
1	-	Fuse 1 on fuse holder D -SD1-	5 A	-	CD changer -R41- DVD changer -R161- Connection for external audio sources -R199-	30
2	-	Fuse 2 on fuse holder D -SD2-	5 A	-	Switch module for driving mode selection -E592-	30
3	-	Fuse 3 on fuse holder D -SD3-	5 A 5 A 20 A 20 A	-	Display unit for front information display and operating unit control unit -J685- Control unit 1 for information electronics -J794- Radio -R-	30
4	-	Fuse 4 on fuse holder D -SD4-	5 A	-	Control unit in dash panel insert -J285-	30
5	-	Fuse 5 on fuse holder D -SD5-	5 A	-	Data bus diagnostic interface -J533-	30
6	-	Fuse 6 on fuse holder D -SD6-	5 A	-	Entry and start authorisation switch -E415-	30
7	-	Fuse 7 on fuse holder D -SD7-	5A	-	Light switch -E1-
8	-	Fuse 8 on fuse holder D -SD8-	40 A	-	Fresh air blower control unit -J126-	30
9	-	Fuse 9 on fuse holder D -SD9-	5 A	-	Control unit for electronic steering column lock -J764-	30
10	-	Fuse 10 on fuse holder D -SD10-	10 A	-	Climatronic control unit -J255-	30
11	-	Fuse 11 on fuse holder D -SD11-	10 A	-	16-pin connector -T16-, diagnostic connector	30
12	-	Fuse 12 on fuse holder D -SD12-	5 A	-	Steering column electronics control unit -J527-	30

AUDI A4 2013 Relay/ fuse holder F SF up to model year 2009 Relay/fuse holder F -SF- up to model year 2009 Location, relay/fuse holder F -SF- up to model year 2009: in luggage compartment, behind side trim on right

ST1 -

Fuse carrier 1, fuses

ST2 -

Fuse carrier 2, fuses

ST3 -

Fuse carrier 3, fuses

ST4 -

Fuse carrier 4, fuses

ST5 -

Fuse carrier 5, fuses

H -	Heated rear window single fuse -S41-

Fuses in fuse carrier ST2 on fuse holder F -SF- (black) No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - Fuse 1 on fuse holder F -SF1- 5 A - Tyre pressure monitor control unit -J502- 30 2 - Fuse 2 on fuse holder F -SF2- 15 A - Trailer detector control unit -J345- 30 3 - Fuse 3 on fuse holder F -SF3- 20 A - Trailer detector control unit -J345- 30 4 - Fuse 4 on fuse holder F -SF4- 20 A - Trailer detector control unit -J345- 30 5 - Fuse 5 on fuse holder F -SF5- 5 A - Electromechanical parking brake button -E538- 30 6 - Fuse 6 on fuse holder F -SF6- 15 A - Electronically controlled damping control unit -J250- 30 7 - Fuse 7 on fuse holder F -SF7- 30 A - Control unit for electromechanical parking brake -J540- 30 8 - Fuse 8 on fuse holder F -SF8- 30 A - Convenience system central control unit -J393- 30 9 - Fuse 9 on fuse holder F -SF9- 35 A - All-wheel drive control unit -J492- 30 10 - Fuse 10 on fuse holder F -SF10- 30 A - Convenience system central control unit -J393- 30 11 - Fuse 11 on fuse holder F -SF11- 20 A - Convenience system central control unit -J393- 30 12 - Fuse 12 on fuse holder F -SF12- 5 A - Interface control unit for vehicle location system -J843- 30 no longer fitted, phased-in modification 51)  30 A - DC/AC converter with socket, 12 V-230 V -U13- 30 2 - Fuse 2 on fuse holder F -SF2- 15 A - Front right seat ventilation control unit -J799- 30 3 - Fuse 3 on fuse holder F -SF3- 7.5 A - Navigation system with CD drive control unit -J401- Radio -R- Telephone transmitter and receiver unit -R36- TV tuner -R78- Aerial amplifier for mobile telephone -R86- Telephone bracket -R126- Satellite radio -R146- Digital radio -R147- 18-pin connector, black -T18a- 30 4 - Fuse 4 on fuse holder F -SF4- 30 A - Digital sound package control unit -J525- 30 5 - Fuse 5 on fuse holder F -SF5- 5 A - Control unit for front display and information control panel -J523- 30 6 - Fuse 6 on fuse holder F -SF6- 30 A - Auxiliary heater control unit -J364- 30 7 - Fuse 7 on fuse holder F -SF7- 30 A - Control unit for electromechanical parking brake -J540- 30 8 - Fuse 8 on fuse holder F -SF8- 30 A - Heated rear left seat switch with regulator -E128- Heated rear right seat switch with regulator -E129- 30 9 - Fuse 9 on fuse holder F -SF9- 30 A - Front passenger door control unit -J387- Rear right door control unit -J389- 30 10 - Fuse 10 on fuse holder F -SF10- 5 A - Remote control receiver for auxiliary heater -R64- 30 11 - Fuse 11 on fuse holder F -SF11- 15 A - Front passenger door control unit -J387- Rear right door control unit -J389- 30 12 - Fuse 12 on fuse holder F -SF12- 5 A - Reversing camera system control unit -J772- 30 Fuses in fuse carrier ST5 on fuse holder F -SF- (black) 52)  for civil models (F4J, F4Z) only 54)  for vehicles with preparation for disabled persons (F6M) only 56)  15 A 15 A 15 A 25 A - Special vehicle control unit -J608- Special vehicle control unit -J608- Signal system control unit -J616- 30 4 - Fuse 4 on fuse holder F -SF4- 15 A 15 A 10 A - Signal system control unit -J616- Two-way radio -R8- 30 5 - Fuse 5 on fuse holder F -SF5- 5 A 5 A 15 A - Chip card reader -D8- Operating unit for special signals -E507- Signal system control unit -J616- 30 6   Fuse 6 on fuse holder F -SF6- 10 A - Chip card reader -D8- Operating unit for special signals -E507- Taximeter -G41- Taxi alarm remote control, control unit -J601- Special vehicle control unit -J608- Signal system control unit -J616- 15 7   Fuse 7 on fuse holder F -SF7- 5 A 20 A 20 A - Taxi alarm remote control, control unit -J601- Special vehicle control unit -J608- 30 8   Fuse 8 on fuse holder F -SF8- 10 A - Tachograph control unit -J621- Data transmission control unit -J753- Accident data memory 30 9   Fuse 9 on fuse holder F -SF9- 10 A - 12 V socket 4 -U20- 30 10   Fuse 10 on fuse holder F -SF10- 10 A - Battery regulation control unit -J84- 30 11   Fuse 11 on fuse holder F -SF11- 10 A - Battery regulation control unit -J84- 30 12 - Fuse 12 on fuse holder F -SF12-   - Not assigned AUDI A4 2013 Relay/ fuse holder F SF from model year 2010 Relay/fuse holder F -SF- from model year 2010 Location, relay/fuse holder F -SF- from model year 2010: in luggage compartment, behind side trim on right     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car ST1 -  Fuse carrier 1, ST2 -  Fuse carrier 2, ST3 -  Fuse carrier 3, ST4 -  Fuse carrier 4, ST5 -  Fuse carrier 5, H -  Heated rear window single fuse -S41- for civil vehicles: NEF - version (F4Z) only 58)  25 A - Signal system control unit -J616- 30 4 - Fuse 4 on fuse holder F -SF4- 15 A - Signal system control unit -J616- 30 5 - Fuse 5 on fuse holder F -SF5- 5 A 15 A - Operating unit for special signals -E507- Signal system control unit -J616- 30 6 - Fuse 6 on fuse holder F -SF6- 3 A - Operating unit for special signals -E507- Signal system control unit -J616- Tachograph control unit -J621- 3-pin connector -T3d- Crash data recorder 15 7 - Fuse 7 on fuse holder F -SF7- 20 A - Special vehicle control unit -J608- 30 8 - Fuse 8 on fuse holder F -SF8- 10 A - Crash data recorder 30 9 - Fuse 9 on fuse holder F -SF9- 10 A - 12 V socket 4 -U20- 30 10 - Fuse 10 on fuse holder F -SF10- 10 A - Battery regulation control unit -J84- 30 11 - Fuse 11 on fuse holder F -SF11- 10 A - Battery regulation control unit -J84- 30 12 - Fuse 12 on fuse holder F -SF12-   - Not assigned Fuses in fuse carrier ST3 on fuse holder F -SF- (brown) No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - Fuse 1 on fuse holder F -SF1- 30 A - Rear lid control unit -J605- 30 2 - Fuse 2 on fuse holder F -SF2- 15 A - Front right seat ventilation control unit -J799- 30 3 - Fuse 3 on fuse holder F -SF3- 40 A - Radio -R- Telephone transmitter and receiver unit -R36- TV tuner -R78- Aerial amplifier for mobile telephone -R86- Telephone bracket -R126- 18-pin connector, black -T18a- 30 4 - Fuse 4 on fuse holder F -SF4- 40 A - Voltage stabiliser -J532- 30 5 - Fuse 5 on fuse holder F -SF5- 30 A - DC/AC converter with socket, 12 V-230 V -U13- 30 6 - Fuse 6 on fuse holder F -SF6- 30 A - Auxiliary heater control unit -J364- 30 7 - Fuse 7 on fuse holder F -SF7- 30 A - Control unit for electromechanical parking brake -J540- 30 8 - Fuse 8 on fuse holder F -SF8- 30 A - Heated rear left seat switch with regulator -E128- Heated rear right seat switch with regulator -E129- 30 9 - Fuse 9 on fuse holder F -SF9- 30 A - Right doors 30 10 - Fuse 10 on fuse holder F -SF10- 5 A - Remote control receiver for auxiliary heater -R64- 30 11 - Fuse 11 on fuse holder F -SF11- 15 A - Right doors 30 12 - Fuse 12 on fuse holder F -SF12- 30 A - Control unit for reducing agent metering system -J880- 30 Fuses in fuse carrier ST5 on fuse holder F -SF- (black) 59)  applicable up to April 2010 61)  30 A - Digital sound package control unit -J525- Radio -R- 30 4 - Fuse 4 on fuse holder F -SF4- 7.5 A - Control unit 1 for information electronics -J794- 30 5 - Fuse 5 on fuse holder F -SF5- 5 A 7.5 A - Navigation system with CD drive control unit -J401- Radio -R- Telephone transmitter and receiver unit -R36- TV tuner -R78- Aerial amplifier for mobile telephone -R86- Telephone bracket -R126- 18-pin connector, black -T18a- 30 6 - Fuse 6 on fuse holder F -SF6- 5 A - Reversing camera system control unit -J772- 30 7 - Fuse 7 on fuse holder F -SF7- 5 A - Aerial amplifier for mobile telephone -R86- 30 8 - Fuse 8 on fuse holder F -SF8-   - Not assigned   9 - Fuse 9 on fuse holder F -SF9-   - Not assigned   10 - Fuse 10 on fuse holder F -SF10-   - Not assigned   11 - Fuse 11 on fuse holder F -SF11-   - Not assigned 12 - Fuse 12 on fuse holder F -SF12-   - Not assigned AUDI A4 2013 Relay/ fuse holder F SF from November 2011 Relay/fuse holder F -SF- from November 2011 Location, relay/fuse holder F -SF- from November 2011: in luggage compartment, behind side trim on right 62)  only for saloon models (4-door)     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car ST1 -  Fuse carrier 1, ST2 -  Fuse carrier 2, ST3 -  Fuse carrier 3, ST4 -  Fuse carrier 4, ST5 -  Fuse carrier 5, H -  Heated rear window single fuse -S41- for civil vehicles: NEF - version (F4Z) only 64)  25 A - Signal system control unit -J616- 30 4 - Fuse 4 on fuse holder F -SF4- 15 A - Signal system control unit -J616- Driving school mode relay -J746- (from October 2012) 30 5 - Fuse 5 on fuse holder F -SF5- 5 A 15 A - Operating unit for special signals -E507- Signal system control unit -J616- 30 6 - Fuse 6 on fuse holder F -SF6- 3 A - Operating unit for special signals -E507- Signal system control unit -J616- Tachograph control unit -J621- 3-pin connector -T3d- Crash data recorder -J754- 15 7 - Fuse 7 on fuse holder F -SF7- 20 A - Special vehicle control unit -J608- 30 8 - Fuse 8 on fuse holder F -SF8- 10 A - Accident data memory -J754- 30 9 - Fuse 9 on fuse holder F -SF9- 10 A - 12 V socket 4 -U20- 30 10 - Fuse 10 on fuse holder F -SF10- 10 A - Battery regulation control unit -J84- 30 11 - Fuse 11 on fuse holder F -SF11- 10 A - Battery regulation control unit -J84- 30 12 - Fuse 12 on fuse holder F -SF12-   - Not assigned only for Avant models (5-door)     No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - Fuse 1 on fuse holder F -SF1- 30 A - Rear lid control unit 2 -J756- 30 2 - Fuse 2 on fuse holder F -SF2- 15 A - Trailer detector control unit -J345- 30 3 - Fuse 3 on fuse holder F -SF3- 20 A - Trailer detector control unit -J345- 30 4 - Fuse 4 on fuse holder F -SF4- 20 A - Trailer detector control unit -J345- 30 5 - Fuse 5 on fuse holder F -SF5- 5 A - Electromechanical parking brake button -E538- 30 6 - Fuse 6 on fuse holder F -SF6- 15 A - Electronically controlled damping control unit -J250- 30 7 - Fuse 7 on fuse holder F -SF7- 30 A - Control unit for electromechanical parking brake -J540- 30 8 - Fuse 8 on fuse holder F -SF8- 30 A - Convenience system central control unit -J393- 30 9 - Fuse 9 on fuse holder F -SF9- 35 A - All-wheel drive control unit -J492- 30 10 - Fuse 10 on fuse holder F -SF10- 30 A - Convenience system central control unit -J393- 30 11 - Fuse 11 on fuse holder F -SF11- 20 A - Convenience system central control unit -J393- 30 12 - Fuse 12 on fuse holder F -SF12- 5 A - Interface control unit for vehicle location system -J843- Control unit for fuel tank leak detection -J909- 30 only for Avant models (5-door)     No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - Fuse 1 on fuse holder F -SF1- 30 A - Rear lid control unit -J605- 30 2 - Fuse 2 on fuse holder F -SF2- 20 A - Relay for power sockets -J807- Cigarette lighter -U1- 12 V socket -U5- DC/AC converter with socket, 12 V-230 V -U13- 12 V socket 2 -U18- 12 V socket 3 -U19- 30 3 - Fuse 3 on fuse holder F -SF3- 40 A - Voltage stabiliser -J532- 30 4 - Fuse 4 on fuse holder F -SF4- 30 A - Voltage stabiliser -J532- Radio -R- Digital sound package control unit -J525- 30 5 - Fuse 5 on fuse holder F -SF5- 25 A - DC/AC converter with socket, 12 V-230 V -U13- 30 6 - Fuse 6 on fuse holder F -SF6- 30 A - Auxiliary heater control unit -J364- 30 7 - Fuse 7 on fuse holder F -SF7- 30 A - Control unit for electromechanical parking brake -J540- 30 8 - Fuse 8 on fuse holder F -SF8- 30 A - Heated rear left seat switch with regulator -E128- Heated rear right seat switch with regulator -E129- 30 9 - Fuse 9 on fuse holder F -SF9- 30 A - Front right door 30 10 - Fuse 10 on fuse holder F -SF10- 5 A - Remote control receiver for auxiliary heater -R64- 30 11 - Fuse 11 on fuse holder F -SF11- 30 A - Rear right door 30 12 - Fuse 12 on fuse holder F -SF12- 5 A - Telephone transmitter and receiver unit -R36- Aerial amplifier for mobile telephone -R86- Telephone bracket -R126- 30 Fuses in fuse carrier ST5 on fuse holder F -SF- (black) 67)  only for Avant models (5-door)     No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - Fuse 1 on fuse holder F -SF1- 15 A - Front right seat ventilation control unit -J799- 30 2 - Fuse 2 on fuse holder F -SF2- 5 A - Relay for automatic anti-dazzle interior mirror -J910- Automatic anti-dazzle interior mirror -Y7- 30 3 - Fuse 3 on fuse holder F -SF3- 30 A - Supply fuse carrier 2 -ST2-fuse 1 on fuse holder D -SD1- to fuse 4 on fuse holder D -SD4- 30 4 - Fuse 4 on fuse holder F -SF4- 7.5 A - Control unit 1 for information electronics -J794- 30 5 - Fuse 5 on fuse holder F -SF5- 5 A - Chip card reader control unit -J676- Radio -R- TV tuner -R78- 30 6 - Fuse 6 on fuse holder F -SF6- 5 A - Reversing camera system control unit -J772- 30 7 - Fuse 7 on fuse holder F -SF7- 30 A - Heated rear window relay -J9- Heated rear window -Z1- 30 8 - Fuse 8 on fuse holder F -SF8- 5 A - Preparation for multimedia system: 2-pin connector, in driver seat backrest -T2dy- 2-pin connector, in front passenger seat backrest -T2dz- 30 9 - Fuse 9 on fuse holder F -SF9-   - Not assigned   10 - Fuse 10 on fuse holder F -SF10-   - Not assigned   11 - Fuse 11 on fuse holder F -SF11- 30 A - Control unit for reducing agent metering system -J880- 30 12 - Fuse 12 on fuse holder F -SF12- 10 A - Control unit for reducing agent metering system -J880- 30 only for saloon models (4-door)     Item   Current Flow Diagram designation Nominal value   Function/component Terminal H - Heated rear window single fuse -S41- 40 A - Heated rear window relay -J9- Heated rear window -Z1- 30 AUDI A4 2013 Terminal 30 wiring junction 2 TV22 with Jump start socket U6 up to October 2011 Terminal 30 wiring junction 2 -TV22- with Jump start socket -U6- up to October 2011 Fitting location: in engine compartment - centre of plenum chamber.     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  Terminal 30 wiring junction 2 -TV22- B -  Jump start socket -U6- 1 -  Fuse 1 (30) -S204-, 2 -  Fuse 2 (30) -S205-, S204 (600 W) and S205 (400 W) are installed in models with radiator fan control 1000 W 71)  Radiator fan control 600 W 30 2 - Fuse 2 (30) -S205- 40 A - Radiator fan control 400 W 30 AUDI A4 2013 Terminal 30 wiring junction 2 TV22 with Jump start socket U6 from November 2011 Terminal 30 wiring junction 2 -TV22- with Jump start socket -U6- from November 2011 Fitting location for models from November 2011: in engine compartment - centre of plenum chamber.     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  Terminal 30 wiring junction 2 -TV22- B -  Jump start socket -U6- 1 -  Fuse 1 (30) -S204-, 2 -  Fuse 2 (30) -S205-, 3 -  Fuse 3 (30) -S206-, S204 (600 W) and S205 (400 W) are installed in models with radiator fan control 1000 W 73)  Radiator fan control 600 W 30 2 - Fuse 2 (30) -S205- 40 A - Radiator fan control 400 W 30 3 - Fuse 3 (30) -S206- 110 A - Power steering control unit -J500- 30 AUDI A4 2013 3-pin relay and fuse holder 3-pin relay and fuse holder Only models with diesel engine   Note t  Figure shows left-hand drive model. t  Figure for right-hand drive models .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car C -  Auxiliary heater fuse -S126-, 40 A D -  Auxiliary heater fuse 2 -S328-, 60 A Only models with diesel engine   Note t  Figure​ shows​ right-hand drive​ model. t  Figure for left-hand drive models .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car C -  Auxiliary heater fuse -S126-, 40 A D -  Auxiliary heater fuse 2 -S328-, 60 A AUDI A4 2013 6-pin coupling station of A-pillar, driver side 6-pin coupling station of A-pillar, driver side .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car F -  Front passenger seat adjustment thermal fuse 1 -S46-, 15 A G -  Driver seat adjustment thermal fuse 1 -S44-, 15 A .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car F -  Driver seat adjustment thermal fuse 1 -S44-, 15 A G -  Front passenger seat adjustment thermal fuse 1 -S46-, 15 A AUDI A4 2013 6-pin coupling station of A-pillar, front passenger side 6-pin coupling station of A-pillar, front passenger side Fitting location of 6-pin coupling station of A-pillar front passenger side for models with left-hand drive in front passenger footwell on A-pillar, behind side trim   Note t  Figure shows left-hand drive model. t  Figure for right-hand drive models .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car for models with right-hand drive only, for models with left-hand drive 77)  applicable from November 2011   Note t  Figure​ shows​ right-hand drive​ model. t  Figure for left-hand drive models .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car F -  ABS control unit fuse 1 -S123-, 40 A G1 -  ABS control unit fuse 3 -S137-, 25 A G2 -  ABS control unit fuse 2 -S124-, 10 A / 5 A AUDI A4 2013 Relay/fuse holder with onboard supply control unit J519 Relay/fuse holder with onboard supply control unit -J519- Location, relay and fuse holder with onboard supply control unit -J519- for models with left-hand drive: Below the dash panel, driver side 79)  for models with left-hand drive only, for models with right-hand drive   Note t  Figure shows left-hand drive model. t  Figure for right-hand drive models .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  ABS control unit fuse 1 -S123-, 40 A .     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  Not assigned AUDI A4 2013 Overview of earth points - saloon models (4-door) Overview of earth points - saloon models (4-door)   Note Overview of Ground Connections - Avant (5-door)     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    685 Earth point 1, on front of right longitudinal member q   Fitting location: q   Overview of Avant models (5-door):    638 Earth point, right A-pillar q   Fitting location: q   Overview of Avant models (5-door):    688 Earth point 2, on centre tunnel q   Fitting location: q   Overview of Avant models (5-door):    687 Earth point 1, on centre tunnel q   Fitting location: q   Overview of Avant models (5-door):    730 Earth point 1, on right rear wheel housing q   Fitting location: q   Overview of Avant models (5-door):    62 Earth point, right C-pillar q   Fitting location:    51 Earth point, on right in luggage compartment q   Fitting location: q   Overview of Avant models (5-door):    624 Earth point, starter battery q   Fitting location: q   Overview of Avant models (5-door):    61 Earth point, left C-pillar q   Fitting location: q   Overview of Avant models (5-door):    50 Earth point, on left in luggage compartment q   Fitting location: q   Overview of Avant models (5-door):    602 Earth point, in front left footwell q   Fitting location: q   Overview of Avant models (5-door):    639 Earth point, left A-pillar q   Fitting location: q   Overview of Avant models (5-door):    12 Earth point, on left in engine compartment q   Fitting location: q   Overview of Avant models (5-door):    615 Earth point, on left suspension strut q   Fitting location: q   Overview of Avant models (5-door):    671 Earth point 1, on front of left longitudinal member q   Fitting location: q   Overview of Avant models (5-door): AUDI A4 2013 Overview of earth points - Avant models (5-door) Overview of earth points - Avant models (5-door)   Note Overview of earth points - saloon models (4-door)     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    685 Earth point 1, on front of right longitudinal member q   Fitting location:    638 Earth point, right A-pillar q   Fitting location:    688 Earth point 2, on centre tunnel q   Fitting location:    687 Earth point 1, on centre tunnel q   Fitting location:    730 Earth point 1, on right rear wheel housing q   Fitting location:    654 Earth point, right D-pillar q   Fitting location:    624 Earth point, starter battery q   Fitting location:    61 Earth point, left C-pillar q   Fitting location:    50 Earth point, on left in luggage compartment q   Fitting location:    51 Earth point, on right in luggage compartment q   Fitting location:    602 Earth point, in front left footwell q   Fitting location:    639 Earth point, left A-pillar q   Fitting location:    12 Earth point, on left in engine compartment q   Fitting location:    615 Earth point, on left suspension strut q   Fitting location:    671 Earth point 1, on front of left longitudinal member q   Fitting location:    671 Earth point 1, on front of left longitudinal member Location: on longitudinal member, near front left wheel housing Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    615 Earth point, on left suspension strut Location: on the front left suspension strut chamber Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    12 Earth point, on left in engine compartment Location: Between suspension strut chamber and front left plenum chamber Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    685 Earth point 1, on front of right longitudinal member Location: on front of right longitudinal member, behind wheel housing Torque: 20 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    639 Earth point, left A-pillar Location: behind lower left A-pillar trim Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    638 Earth point, right A-pillar Location: behind lower right A-pillar trim Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    687 Earth point 1, on centre tunnel Location: On the left side of the centre tunnel Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    688 Earth point 2, on centre tunnel Location: On the right side of the centre tunnel Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    730 Earth point 1, on right rear wheel housing -arrow- Location: near front of rear right wheel housing, under sill panel trim Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    61 Earth point, left C-pillar -arrow- Location: Under left C-pillar trim, near rear window Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    62 Earth point, right C-pillar -upper arrow- Location: Under right C-pillar trim, near rear window Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    50 Earth point, on left in luggage compartment -arrow- Location: Under side trim, left in luggage compartment, near wheel housing Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    51 Earth point, on right in luggage compartment -arrow- Location: Under side trim, right in luggage compartment, near wheel housing Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    61 Earth point, left C-pillar -arrow- Location: behind the trim of left side panel, behind C-pillar Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    654 Earth point, right D-pillar Location: behind upper right D-pillar trim Torque: 9 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    624 Earth point, starter battery Location: under the floor panel in the luggage compartment, right next to the starter battery Torque: 18 Nm   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car    602 Earth point, in front left footwell -arrow- Location: Under the carpet in the driver's footwell   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car AUDI A4 2013 Overview of control units Overview of control units   Note: ♦ Overview also valid for Avant models (5-door)!

q	Location and connector, from model year 2013:

q	Location and connectors for models with 800 W or 1000 W radiator fan:

3 -	Radiator fan control unit 2 -J671- / radiator fan 2 -V177-

q	Location and connectors for models with 800 W or 1000 W radiator fan:

q	Location and connectors for models with right-hand drive (with -T60- and -T94-):

q	Location and connectors for models with left-hand drive -T91- and -T105-):

q	Location and connectors for models with right-hand drive (with -T91- and -T105-):

Automatic​ gearbox​ control​ unit -J217- / Mechatronics​ for​ dual​ clutch​ gearbox​ -J743-

q	Location and connectors:

q	Location and connector, from model year 2013:

AUDI A4 2013 Engine control unit J623 Engine control unit -J623- Location engine control unit -J623- for models with left-hand drive: In electronics box in plenum chamber, driver side   Note: t  Figure shows left-hand drive model. t  Figure for right-hand drive models .

A -	Engine control unit -J623-

C -	60-pin connector, on wiring harness -T60-

A -	Engine control unit -J623-

B -	94-pin connector -T94-

C -	60-pin​​ connector​ -T60-

Location engine control unit -J623- for models with left-hand drive (with -T91- and -T105-): In electronics box in plenum chamber, driver side   Note: t  Figure shows left-hand drive model. t  Figure for right-hand drive models .

A -	Engine control unit -J623-

C -	105-pin​​ connector​ -T105-

Location engine control unit -J623- for models with right-hand drive (with -T91- and -T105-): In electronics box in plenum chamber, driver side   Note: t  Figure​ shows​ right-hand drive​ model. t  Figure for left-hand drive models .

A -	Engine control unit -J623-

B -	91-pin​​ connector​ -T91-

C -	105-pin​​ connector​ -T105-

AUDI A4 2013 Left gas discharge light control unit J343 , up to model year 2012 Left gas discharge light control unit -J343-, up to model year 2012 Fitting location: on left headlight.

C -	Power output module for left headlight -J667-

AUDI A4 2013 Right gas discharge light control unit J344 , up to model year 2012

Right gas discharge light control unit -J344-, up to model year 2012

Fitting location:

on right headlight.

   

C -	Power​ output​ module​ for​ right​ headlight -J668-

AUDI A4 2013 Left gas discharge light control unit J343 , from model year 2013

Left gas discharge light control unit -J343-, from model year 2013

Fitting location:

on left headlight.

   

A -	Power output module for left headlight -J667-

B -	Control unit for left daytime running light and side light -J860-

C -	14-pin connector -T14a-

D -	Left gas discharge light control unit -J343-

E -	Output module for left side marker light -J986-

AUDI A4 2013 Right gas discharge light control unit J344 , from model year 2013 Right gas discharge light control unit -J344-, from model year 2013 Fitting location: on right headlight.

A -	Power​ output​ module​ for​ right​ headlight -J668-

B -	Control unit for left daytime running light and side light -J861-

C -	14-pin connector -T14b-

D -	Right​ gas​ discharge​ light​ control​ unit​ -J344-

E -	Output module for right side marker light -J987-

AUDI A4 2013 Auxiliary heater control unit J364 Auxiliary heater control unit -J364- Fitting location: behind right wheel housing.

A -	Auxiliary heater control unit -J364-

A2 -	2-pin connector -T2ds-

AUDI A4 2013 Automatic​ gearbox​ control​ unit J217 / Mechatronics​ for​ dual​ clutch​ gearbox​ J743 Automatic​ gearbox​ control​ unit -J217- / Mechatronics​ for​ dual​ clutch​ gearbox​ -J743- Fitting location: In gearbox housing.

A -	Automatic​ gearbox​ control​ unit -J217- / Mechatronics​ for​ dual​ clutch​ gearbox​ -J743-

A2 -	8-pin connector -T8al-

A4 -	14-pin connector -T14i-

AUDI A4 2013 Wiper motor control unit J400 Wiper motor control unit -J400- Fitting location: in plenum chamber.

A -	Wiper motor control unit -J400-

AUDI A4 2013 ABS control unit J104

ABS control unit -J104-

Fitting location:

in left of engine compartment.

   

A -	ABS control unit -J104-

AUDI A4 2013 400 W or 600 W radiator fan

400 W or 600 W radiator fan

Fitting location:

on radiator.

Radiator fan 2 -V177- present depending on engine variant.

   

A -	Radiator fan control unit -J293-

B1 -	2-pin connector, black -T2kl-

C -	Radiator fan 2 -V177-

AUDI A4 2013 800 W or 1000 W radiator fan

800 W or 1000 W radiator fan

Fitting location:

on radiator.

   

A -	Radiator fan control unit -J293-

B1 -	4-pin connector -T4bl-

B2 -	Radiator fan 2 -V177-

AUDI A4 2013 Garage door operation control unit J530 Garage door operation control unit -J530- Fitting location: at inner centre of radiator.

A -	Garage door operation control unit -J530-

AUDI A4 2013 Adaptive​ cruise​ control​ unit J428

Adaptive​ cruise​ control​ unit -J428-

Fitting location:

In front bumper grill cover on right.

   

A -	Adaptive​ cruise​ control​ unit -J428-

AUDI A4 2013 Overview of coupling stations

Overview of coupling stations

q	Location for models with right-handdrive only:

q	Location for models with right-handdrive only:

q	Location for models with -R199- als Audi music interface (AMI - CAN):

q	Location for models with -R199- als AUX connection:

q	Location for models with right-handdrive only:

q	Location for models with right-handdrive only:

Relay- /Fuse holder B -SB-

q	Pin and screw connection: -T17q-, -T17r-, -T17t-, 501

q	Location for models with left-handdrive only:

q	Location for models with right-handdrive only:

AUDI A4 2013 6-pin coupling station of A-pillar front passenger side 6-pin coupling station of A-pillar front passenger side applicable up to model year 2009 2)  applicable from model year 2010   Note t  Figure shows left-handdrive model. t  Figure for right-handdrive models .

1 -	10-pin connector, black -T10y-

2 -	10-pin connector, red -T10ab-

2 -	17-pin connector, yellow -T17x-

3 -	17-pin connector, blue -T17a-

4 -	17-pin connector, black -T17g-

5 -	17-pin connector, brown -T17f-

6 -	10-pin connector, grey -T10ac-

6 -	17-pin connector, white -T17w-

D -	5-pin connector, yellow -T5c-

applicable up to model year 2009 4)  .

1 -	10-pin connector, black -T10y-

2 -	10-pin connector, red -T10ab-

2 -	17-pin connector, yellow -T17x-

3 -	17-pin connector, blue -T17a-

4 -	17-pin connector, black -T17g-

5 -	17-pin connector, brown -T17f-

6 -	10-pin connector, grey -T10ac-

6 -	17-pin connector, white -T17w-

D -	5-pin connector, yellow -T5c-

AUDI A4 2013 Fuse holder D SD Fuse holder D -SD- Fitting location Fuse holder D -SD- for models with left-handdrive: Below the dash panel cover, front passenger side   Note t  Figure shows left-handdrive model. t  Figure for right-handdrive models .

A -	46-pin connector, black, CAN disconnector, dash panel -T46s-

.

A -	46-pin connector, black, CAN disconnector, dash panel -T46s-

AUDI A4 2013 Coupling station seat wiring driver side Coupling station seat wiring driver side Location: under driver seat in vehicle floor Connectors: 1 -  6-pin connector, green -T6l- 2 -  10-pin connector, red -T10p- 3 -  10-pin connector, black -T10o- 4 -  2-pin connector, blue-purple -T2da- 5 -  3-pin connector, yellow -T3k-

https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car

AUDI A4 2013 Coupling station seat wiring front passenger side Coupling station seat wiring front passenger side Location: under front passenger seat in vehicle floor Connectors: 1 -  6-pin connector, green -T6k- 2 -  10-pin connector, red -T10m- 3 -  10-pin connector, black -T10n- 4 -  2-pin connector, blue-purple -T2db- 5 -  3-pin connector, yellow -T3h- AUDI A4 2013 6-pin coupling station of A-pillar driver side 6-pin coupling station of A-pillar driver side applicable up to model year 2009   Note t  Figure shows left-handdrive model. t  Figure for right-handdrive models .

https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car

1 -	17-pin connector, green -T17j-

2 -	17-pin connector, red -T17e-

3 -	Not assigned

4 -	17-pin connector, brown -T17d-

5 -	17-pin connector, black -T17c-

6 -	17-pin connector, blue -T17b-

A -	5-pin connector, yellow -T5b-

E -	46-pin connector, black, CAN disconnector -T46i-

applicable up to model year 2009   Note t  Figure shows right-handdrive model. t  Figure for left-handdrive models .

1 -	17-pin connector, green -T17j-

2 -	17-pin connector, red -T17e-

3 -	Not assigned

4 -	17-pin connector, brown -T17d-

5 -	17-pin connector, black -T17c-

6 -	17-pin connector, blue -T17b-

A -	5-pin connector, yellow -T5b-

E -	46-pin connector, black, CAN disconnector -T46i-

AUDI A4 2013 Relay- / Fuse holder B SB Relay- /Fuse holder B -SB- Location: Relay- /Fuse holder B -SB- for models with left-handdrive: In electronics box in plenum chamber, driver side

t	Figure shows left-handdrive model.

t	Figure for right-handdrive models .

G -	17-pin connector, red -T17q-

H -	17-pin connector, white -T17r-

I -	17-pin connector, brown -T17t-

M -	501Screw connection 2 (30), on relay plate

.

G -	17-pin connector, red -T17q-

H -	17-pin connector, white -T17r-

I -	17-pin connector, brown -T17t-

M -	501Screw connection 2 (30), on relay plate

AUDI A4 2013 Relay- /fuse holder with Onboard supply control unit J519 Relay- /fuse holder with Onboard supply control unit -J519- .

6 -	500Screw connection 1 (30), on relay plate

.

5 -	500Screw connection 1 (30), on relay plate

AUDI A4 2013 Connection for external audio source R199 als Audi music interface (AMI - MOST) Connection for external audio source -R199- als Audi music interface (AMI - MOST) Location: In glove compartment.   Note for models with Audi music interface only (AMI - MOST) only.

A -	Connection for external audio source -R199-

AUDI A4 2013 Connection for external audio source R199 als Audi music interface (AMI - CAN) Connection for external audio source -R199- als Audi music interface (AMI - CAN) Location: In glove compartment.   Note for models with Audi music interface only (AMI - CAN) only.

A -	Connection for external audio source -R199-

AUDI A4 2013 Connection for external audio source R199 als AUX connection

Connection for external audio source -R199- als AUX connection

Location:

in centre console

for models with AUX connection only.

   

A -	Connection for external audio source -R199-