AUDI A3 2014 – Fuse assignment . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A3 2014 - Battery - Battery monitor control unit - Power steering control unit - Fuse 1 in fuse holder A - Fuse 2 in fuse holder A - Fuse 3 in fuse holder A - Fuse 4 in fuse holder A - Fuse 5 in fuse holder A - Fuse 6 in fuse holder A

A	Battery
B	Starter
C	Alternator
JX1	Power and control electronics for electric drive
J293	Radiator fan control unit
J367	Battery monitor control unit
J500	Power steering control unit
SA1	Fuse 1 in fuse holder A
SA2	Fuse 2 in fuse holder A
SA3	Fuse 3 in fuse holder A
SA4	Fuse 4 in fuse holder A
SA5	Fuse 5 in fuse holder A
SA6	Fuse 6 in fuse holder A
S162	Fuse 1 (30), in battery fuse holder
T1c	Single connector
T2b	2-pin connector
T2g	2-pin connector
T4g	4-pin connector
D218	Connection 1 (LIN bus) in engine compartment wiring harness
*	Only models with start/stop system
*2	Only models with hybrid drive system
*3	Only models with no start/stop system

Wiring Diagram AUDI A3 2014 - Starter relay 1 - Starter relay 2 - Fuse 22 on fuse holder B - Fuse 23 on fuse holder B

B	Starter
G476	Clutch position sender
JX1	Power and control electronics for electric drive
J906	Starter relay 1
J907	Starter relay 2
SB22	Fuse 22 on fuse holder B
SB23	Fuse 23 on fuse holder B
T5o	5-pin connector
T17c	17-pin connector
T28	28-pin connector
D52	Positive connection (15a), in engine compartment wiring harness
D210	Connection (50), in engine compartment wiring harness
*	Only models with diesel engine
*2	Only models with no hybrid drive system
*3	Only models with hybrid drive system
*4	Only models with petrol engine
*5	Wiring colour depends on equipment
*6	From November 2013

Wiring Diagram AUDI A3 2014 - Treble horn - Bass horn - Auxiliary heater control unit - Horn relay - Fuse 15 on fuse holder B - Fuse 33 on fuse holder B - Fuse 34 on fuse holder B - Fuse 35 on fuse holder B - Fuse 36 on fuse holder B - Fuse 37 on fuse holder B - Fuse 38 on fuse holder B

H2	Treble horn
H7	Bass horn
J364	Auxiliary heater control unit
J413	Horn relay
NX6	Brake servo
SB15	Fuse 15 on fuse holder B
SB33	Fuse 33 on fuse holder B
SB34	Fuse 34 on fuse holder B
SB35	Fuse 35 on fuse holder B
SB36	Fuse 36 on fuse holder B
SB37	Fuse 37 on fuse holder B
SB38	Fuse 38 on fuse holder B
T2jp	2-pin connector
T2jv	2-pin connector
T2v	2-pin connector
T4dm	4-pin connector
T26d	26-pin connector
VX70	Brake system pressure accumulator
C13	Positive connection in dual tone horn wiring harness
*	Only models with hybrid drive system

Wiring Diagram AUDI A3 2014 - Engine component current supply relay - Fuse 1 on fuse holder B - Fuse 2 on fuse holder B - Fuse 16 on fuse holder B

J104	ABS control unit
J757	Engine component current supply relay
J908	Relay for gas shut-off valves
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
SB1	Fuse 1 on fuse holder B
SB2	Fuse 2 on fuse holder B
SB16	Fuse 16 on fuse holder B
T4bu	4-pin connector
T4bv	4-pin connector
T4bw	4-pin connector
T4bx	4-pin connector
T14	14-pin connector
T17c	17-pin connector
T46a	46-pin connector
T46c	46-pin connector
D189	Connection (87a) in engine prewiring harness
D204	Positive connection 4 (30a), in engine compartment wiring harness
G12	Connection 1 in gas mode wiring harness
*	According to equipment
*2	Only models with 1.4l engine
*3	Only models with 1.8l engine
*4	Only models with 2.0l engine
*5	Only models with petrol engine
*6	Only models with hybrid drive system

Wiring Diagram AUDI A3 2014 - Air conditioning system relay - High heat output relay - Fuse 11 on fuse holder B - Fuse 12 on fuse holder B

G805	Pressure sender for refrigerant circuit
J32	Air conditioning system relay
J255	Climatronic control unit
J299	Secondary air pump relay
J360	High heat output relay
J842	Control unit for air conditioning compressor
J848	High-voltage heater (PTC) control unit
SB11	Fuse 11 on fuse holder B
SB12	Fuse 12 on fuse holder B
T2hz	2-pin connector
T3ad	3-pin connector
T3co	3-pin connector
T8r	8-pin connector
T8s	8-pin connector
T14	14-pin connector
T14d	14-pin connector
T17d	17-pin connector
T20b	20-pin connector
V101	Secondary air pump motor
Z35	Auxiliary air heater element
D39	Connection 1, in engine prewiring harness
D221	Connection 9 (87a) in engine compartment wiring harness
*	Only models with diesel engine
*2	Only models with petrol engine
*3	Only models with hybrid drive system

Wiring Diagram AUDI A3 2014 - Main relay - Terminal 30 voltage supply relay - Engine control unit - Fuse 17 on fuse holder B - Fuse 18 on fuse holder B - Fuse 19 on fuse holder B - Fuse 20 on fuse holder B - Fuse 21 on fuse holder B

H12	Alarm horn
J271	Main relay
J317	Terminal 30 voltage supply relay
J400	Wiper motor control unit
J533	Data bus diagnostic interface
J623	Engine control unit
SB17	Fuse 17 on fuse holder B
SB18	Fuse 18 on fuse holder B
SB19	Fuse 19 on fuse holder B
SB20	Fuse 20 on fuse holder B
SB21	Fuse 21 on fuse holder B
T3bt	3-pin connector
T4cd	4-pin connector
T17b	17-pin connector
T20a	20-pin connector
T91	91-pin connector
T94	94-pin connector
D78	Positive connection 1 (30a), in engine compartment wiring harness
D183	Connection 4 (87a) in engine compartment wiring harness
*	Only models with diesel engine
*2	Wiring colour depends on equipment
*3	Only models with no hybrid drive system
*4	Only models with petrol engine
*5	Only models with no start/stop system

Wiring Diagram AUDI A3 2014 - Engine control unit - Fuse 3 on fuse holder B

J623	Engine control unit
SB3	Fuse 3 on fuse holder B
T91	91-pin connector
T94	94-pin connector
T105	105-pin connector
131	Earth connection 2, in engine compartment wiring harness
419	Earth connection 11, in engine compartment wiring harness
D183	Connection 4 (87a) in engine compartment wiring harness
*	gradual introduction
*2	Only models with diesel engine
*3	Wiring colour depends on equipment
*4	According to equipment
*5	Only models with 1.4l engine
*6	Only models with petrol engine
*7	Only models with 1.8l engine
*8	Only models with 2.0l engine
*9	Only models with no hybrid drive system
*10	Gradually discontinued
*11	Only models with hybrid drive system

Wiring Diagram AUDI A3 2014 - Current supply relay - Fuse 32 on fuse holder B

G266	Oil level and oil temperature sender
J16	Current supply relay
J120	Coolant shortage indicator control unit
MX1	Front left headlight
MX2	Front right headlight
N75	Charge pressure control solenoid valve
N345	Exhaust gas recirculation cooler changeover valve
N372	High-pressure valve for gas mode
SB32	Fuse 32 on fuse holder B
T2kk	2-pin connector
T2nl	2-pin connector
T2ok	2-pin connector
T3ag	3-pin connector
T10b	10-pin connector
T14	14-pin connector
T14h	14-pin connector
T14j	14-pin connector
131	Earth connection 2, in engine compartment wiring harness
D197	Connection 5 (87a) in engine compartment wiring harness
*	Only models with hybrid drive system
*2	see applicable current flow diagram for high-voltage system
*3	Only models with petrol engine
*4	Only models with diesel engine
*5	Only models with no hybrid drive system
*6	Only models with 1.4l engine

Wiring Diagram AUDI A3 2014 - Fuse 4 on fuse holder B

G70	Air mass meter
N80	Activated charcoal filter solenoid valve 1
N205	Camshaft control valve 1
N208	Camshaft control valve 2
N249	Turbocharger air recirculation valve
N316	Intake manifold flap valve
N428	Valve for oil pressure control
N522	Piston cooling jet control valve
SB4	Fuse 4 on fuse holder B
T2hq	2-pin connector
T2hr	2-pin connector
T2hs	2-pin connector
T2ix	2-pin connector
T2iy	2-pin connector
T2iz	2-pin connector
T2ol	2-pin connector
T5t	5-pin connector
T6a	6-pin connector
T14	14-pin connector
D196	Connection 2 (87a) in engine prewiring harness
D197	Connection 5 (87a) in engine compartment wiring harness
*	Only models with 1.4l engine
*2	Only models with 1.2l engine
*3	Only models with petrol engine
*4	Only models with 1.8l engine
*5	Only models with 2.0l engine

Wiring Diagram AUDI A3 2014 - Fuse 5 on fuse holder B - Fuse 6 on fuse holder B

F	Brake light switch
F63	Brake pedal switch
G235	Exhaust gas temperature sender 1
N205	Camshaft control valve 1
N276	Fuel pressure regulating valve
N290	Fuel metering valve
N488	Coolant valve for gearbox
SB5	Fuse 5 on fuse holder B
SB6	Fuse 6 on fuse holder B
T2hr	2-pin connector
T2hv	2-pin connector
T2hw	2-pin connector
T2ja	2-pin connector
T3ah	3-pin connector
T3ai	3-pin connector
T3ct	3-pin connector
T4cl	4-pin connector
T14	14-pin connector
V467	Coolant pump for high-temperature circuit
V590	Coolant pump for high-voltage battery
D176	Connection (gas injector), in engine compartment wiring harness
D202	Connection 6 (87a) in engine compartment wiring harness
D206	Connection 4 (87a) in engine prewiring harness
D222	Connection 10 (87a) in engine compartment wiring harness
*	According to equipment
*2	Only models with 1.4l engine
*3	Only models with hybrid drive system
*4	Only models with 1.8l engine
*5	Only models with 2.0l engine
*6	Only models with petrol engine
*7	Only models with diesel engine
*8	Only models with natural gas engine

Wiring Diagram AUDI A3 2014 - Fuse 7 on fuse holder B

N82	Coolant shut-off valve
N276	Fuel pressure regulating valve
N488	Coolant valve for gearbox
N489	Coolant valve for cylinder head
SB7	Fuse 7 on fuse holder B
T2h	2-pin connector
T2hv	2-pin connector
T2hw	2-pin connector
T2jk	2-pin connector
T2kn	2-pin connector
T3as	3-pin connector
T3cu	3-pin connector
T10p	10-pin connector
T14	14-pin connector
V50	Coolant circulation pump
V51	Continued coolant circulation pump
D180	Connection (87a), in engine compartment wiring harness
D205	Connection 3 (87a) in engine prewiring harness
D214	Connection 8 (87a) in engine compartment wiring harness
*	Only models with 1.8l engine
*2	Only models with 2.0l engine
*3	Only models with petrol engine
*4	Only models with diesel engine
*5	According to equipment
*6	Only models with 1.4l engine
*7	Only models with 1.2l engine
*8	Only models with hybrid drive system
*9	If fitted
*10	Only models with equipment for Brazil

Wiring Diagram AUDI A3 2014 - Fuse 8 on fuse holder B - Auxiliary pump for heating

G708	Ethanol concentration sender
J583	Control unit for NOx sender
SB8	Fuse 8 on fuse holder B
T3cw	3-pin connector
T4at	4-pin connector
T4c	4-pin connector
T4d	4-pin connector
T4do	4-pin connector
T4e	4-pin connector
T5e	5-pin connector
T6ak	6-pin connector
T6l	6-pin connector
T10b	10-pin connector
V488	Auxiliary pump for heating
Z19	Lambda probe heater
Z29	Lambda probe 1 heater after catalytic converter
D180	Connection (87a), in engine compartment wiring harness
D182	Connection 3 (87a) in engine compartment wiring harness
D207	Connection 7 (87a) in engine compartment wiring harness
H1	Positive connection, in Lambda wiring harness
*	According to equipment
*2	Only models with US equipment
*3	Only models with diesel engine
*4	Only models with equipment for Brazil

Wiring Diagram AUDI A3 2014 - Automatic glow period control unit - Fuse 9 on fuse holder B

J179	Automatic glow period control unit
J883	Exhaust flap control unit
J945	Exhaust flap control unit 2
N70	Ignition coil 1 with output stage
N127	Ignition coil 2 with output stage
N288	Fuel tank shut-off valve
N291	Ignition coil 3 with output stage
N292	Ignition coil 4 with output stage
SB9	Fuse 9 on fuse holder B
T3az	3-pin connector
T3ba	3-pin connector
T4aa	4-pin connector
T4bu	4-pin connector
T4bv	4-pin connector
T4bw	4-pin connector
T4bx	4-pin connector
T14	14-pin connector
T17c	17-pin connector
B350	Positive connection 1 (87a) in main wiring harness
D181	Connection 2 (87a) in engine compartment wiring harness
D189	Connection (87a) in engine prewiring harness
D205	Connection 3 (87a) in engine prewiring harness
*	Only models with hybrid drive system
*2	Only models with diesel engine
*3	Only models with 1.8l engine
*4	Only models with 2.0l engine
*5	Only models with 1.4l engine
*6	Only models with 1.2l engine

Wiring Diagram AUDI A3 2014 - Low heat output relay - Fuse 14 on fuse holder B - Fuse 24 on fuse holder B - Fuse 31 on fuse holder B

J359	Low heat output relay
NX6	Brake servo
SB14	Fuse 14 on fuse holder B
SB24	Fuse 24 on fuse holder B
SB31	Fuse 31 on fuse holder B
T3ce	3-pin connector
T6bx	6-pin connector
T8	8-pin connector
T26d	26-pin connector
V188	Charge air cooling pump
V192	Vacuum pump for brakes
*	Only models with hybrid drive system
*2	Only models with diesel engine

Wiring Diagram AUDI A3 2014 - Fuse 10 on fuse holder B - Fuse 13 on fuse holder B

J217	Automatic gearbox control unit
J538	Fuel pump control unit
J743	Mechatronic unit for dual clutch gearbox
SB10	Fuse 10 on fuse holder B
SB13	Fuse 13 on fuse holder B
T2aq	2-pin connector
T3cv	3-pin connector
T5c	5-pin connector
T6e	6-pin connector
T16r	16-pin connector
T17c	17-pin connector
T20e	20-pin connector
T25	25-pin connector
T52a	52-pin connector
D104	Positive connection 2 (30a), in engine compartment wiring harness
D188	Positive connection 3 (30a), in engine compartment wiring harness
U18	Positive connection (30a), in automatic gearbox wiring harness
*	see applicable current flow diagram for dual clutch gearbox
*2	Only models with auxiliary heating
*3	According to equipment
*4	Only models with diesel engine
*5	Only models with petrol engine
*6	Only models with no auxiliary heater
*7	Only models with hybrid drive system

Wiring Diagram AUDI A3 2014 - Fuse holder C

E313	Selector lever
E380	Multimedia system operating unit
G578	Anti-theft alarm sensor
J255	Climatronic control unit
J685	Display unit for front information display and operating unit control unit
J794	Control unit 1 for information electronics
J854	Control unit for front left belt tensioner
R64	Remote control receiver for auxiliary heater
SC	Fuse holder C
SC4	Fuse 4 on fuse holder C
SC6	Fuse 6 on fuse holder C
SC7	Fuse 7 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
T3o	3-pin connector
T4cp	4-pin connector
T6s	6-pin connector
T8ai	8-pin connector
T8j	8-pin connector
T10k	10-pin connector
T20b	20-pin connector
T20h	20-pin connector
B315	Positive connection 1 (30a) in main wiring harness
B319	Positive connection 5 (30a) in main wiring harness
*	According to equipment
*2	Up to April 2015
*3	Only models with Bang & Olufsen sound system
*4	From May 2015

Wiring Diagram AUDI A3 2014 - Fuse holder C

E1	Light switch
E538	Electromechanical parking brake button
G355	Humidity sender
G397	Rain and light sensor
J126	Fresh air blower control unit
J250	Electronically controlled damping control unit
J949	Emergency call module control unit and communication unit
SC	Fuse holder C
SC8	Fuse 8 on fuse holder C
SC13	Fuse 13 on fuse holder C
SC14	Fuse 14 on fuse holder C
T3f	3-pin connector
T4bs	4-pin connector
T4cc	4-pin connector
T4dk	4-pin connector
T10l	10-pin connector
T16r	16-pin connector
T17c	17-pin connector
T26e	26-pin connector
T47a	47-pin connector
TW	Maintenance connector for high-voltage system
B272	Positive connection (30), in main wiring harness
B316	Positive connection 2 (30a) in main wiring harness
*	According to equipment
*2	Diagnostic connection
*3	From May 2014
*4	Only models with hybrid drive system
*5	Up to April 2014
*6	From May 2015

Wiring Diagram AUDI A3 2014 - Fuse holder C

AX1	Hybrid battery unit
J519	Onboard supply control unit
J527	Steering column electronics control unit
J855	Control unit for front right belt tensioner
SC	Fuse holder C
SC5	Fuse 5 on fuse holder C
SC9	Fuse 9 on fuse holder C
SC31	Fuse 31 on fuse holder C
SC38	Fuse 38 on fuse holder C
SC41	Fuse 41 on fuse holder C
SC42	Fuse 42 on fuse holder C
T2r	2-pin connector
T2s	2-pin connector
T3p	3-pin connector
T6i	6-pin connector
T6j	6-pin connector
T14k	14-pin connector
T16a	16-pin connector
T46b	46-pin connector
T73a	73-pin connector
T73c	73-pin connector
Z6	Heated seat cushion for driver seat
Z7	Heated backrest for driver seat
Z8	Heated seat cushion for front passenger seat
Z9	Heated backrest for front passenger seat
O12	Connection 1, in seat heating wiring harness
O14	Connection 3, in seat heating wiring harness
*	Only models with hybrid drive system

Wiring Diagram AUDI A3 2014 - Front passenger seat adjustment thermal fuse 1 - Fuse holder C

E177	Front passenger seat lumbar support adjustment switch
E471	Front passenger seat adjustment operating unit
J927	Rear passenger side door control unit
J1017	Control unit with rear passenger side window regulator motor
S46	Front passenger seat adjustment thermal fuse 1
SC	Fuse holder C
SC2	Fuse 2 on fuse holder C
SC39	Fuse 39 on fuse holder C
T6au	6-pin connector
T6m	6-pin connector
T6y	6-pin connector
T10ai	10-pin connector
T10d	10-pin connector, in coupling point for front seat, left
T10e	10-pin connector, in coupling point for front seat, right
T20k	20-pin connector
T27a	27-pin connector, on right A-pillar
T27c	27-pin connector, on left A-pillar
B321	Positive connection 7 (30a) in main wiring harness
B323	Positive connection 9 (30a) in main wiring harness
M2	Positive connection 2 (30), in seat adjustment wiring harness
*	Only models with 5-doors
*2	Only models with 4-doors
*3	Only Cabriolet models
*4	According to equipment
*5	Only models with 3-doors

Wiring Diagram AUDI A3 2014 - Heated rear window relay - Terminal 15 voltage supply relay - Relay for power sockets - Fuse holder C

C18	Window aerial suppression filter
J9	Heated rear window relay
J329	Terminal 15 voltage supply relay
J807	Relay for power sockets
SC	Fuse holder C
SC40	Fuse 40 on fuse holder C
SC53	Fuse 53 on fuse holder C
T2lm	2-pin connector
T3br	3-pin connector
T3bs	3-pin connector
T3cv	3-pin connector
U	Electric socket
U1	Cigarette lighter
U5	12 V socket
Z1	Heated rear window
366	Earth connection 1, in main wiring harness
369	Earth connection 4, in main wiring harness
B680	Connection (electric socket), in interior wiring harness
*	Cross section depends on equipment
*2	see applicable current flow diagram for basic equipment
*3	see applicable current flow diagram for special purpose vehicles

Wiring Diagram AUDI A3 2014 - Airbag control unit - Fuse holder C

A27	Output module 1 for right LED headlight
A31	Output module 1 for left LED headlight
J234	Airbag control unit
J428	Adaptive cruise control unit
J446	Parking aid control unit
J667	Output module for left headlight
J668	Output module for right headlight
J791	Park assist steering control unit
K145	Front passenger side airbag deactivated warning lamp
SC	Fuse holder C
SC32	Fuse 32 on fuse holder C
SC33	Fuse 33 on fuse holder C
SC36	Fuse 36 on fuse holder C
SC37	Fuse 37 on fuse holder C
T8m	8-pin connector
T10f	10-pin connector
T14b	14-pin connector, near front left longitudinal member
T14c	14-pin connector, on right headlight
T14h	14-pin connector, near front left longitudinal member
T14j	14-pin connector
T17b	17-pin connector
T20b	20-pin connector
T26c	26-pin connector
T90	90-pin connector
B277	Positive connection 1 (15a) in main wiring harness
B280	Positive connection 4 (15a) in main wiring harness
X171	Connection (15), rear bumper wiring harness
*	According to equipment

Wiring Diagram AUDI A3 2014 - Fuse holder C

E102	Headlight range control regulator
E137	Convertible roof actuation button
E229	Hazard warning lights button
E540	Auto-hold button
F4	Reversing light switch
G805	Pressure sender for refrigerant circuit
J869	Control unit for structure-borne sound
SC	Fuse holder C
SC34	Fuse 34 on fuse holder C
SC35	Fuse 35 on fuse holder C
T2kp	2-pin connector
T3ad	3-pin connector
T4ck	4-pin connector
T6ad	6-pin connector
T6p	6-pin connector
T10ae	10-pin connector
T10aj	10-pin connector
T10ak	10-pin connector
T17b	17-pin connector
T17c	17-pin connector
T20	20-pin connector
V48	Left headlight range control motor
V49	Right headlight range control motor
B278	Positive connection 2 (15a) in main wiring harness
B279	Positive connection 3 (15a) in main wiring harness
D136	Positive connection 2 (15a), in engine compartment wiring harness
D200	Positive connection 3 (15a), in engine compartment wiring harness
*	Only Cabriolet models
*2	see applicable current flow diagram for convertible roof

Wiring Diagram AUDI A3 2014 - Fuse holder C

AX1	Hybrid battery unit
J676	Chip card reader control unit
J943	Engine sound generator control unit
R78	TV tuner
R86	Aerial amplifier for mobile telephone
R126	Telephone bracket
R199	Connection for external audio sources
SC	Fuse holder C
SC16	Fuse 16 on fuse holder C
SC47	Fuse 47 on fuse holder C
SC48	Fuse 48 on fuse holder C
SC49	Fuse 49 on fuse holder C
SC50	Fuse 50 on fuse holder C
SC51	Fuse 51 on fuse holder C
T4ce	4-pin connector
T4x	4-pin connector
T4y	4-pin connector
T10z	10-pin connector
T12aa	12-pin connector
T12l	12-pin connector
T14k	14-pin connector
T16m	16-pin connector
T17f	17-pin connector
V12	Rear window wiper motor
B281	Positive connection 5 (15a) in main wiring harness
B282	Positive connection 6 (15a) in main wiring harness
B318	Positive connection 4 (30a) in main wiring harness
*	Only models with hybrid drive system
*2	Only models with no hybrid drive system

Wiring Diagram AUDI A3 2014 - Relay for reducing agent metering system - Fuse holder C

GX19	Delivery unit for reducing agent metering system
J321	Convertible roof actuation hydraulic pump relay
J588	Hydraulic pump relay 2 for convertible roof
J909	Control unit for fuel tank leak detection
J963	Relay for reducing agent metering system
SC	Fuse holder C
SC3	Fuse 3 on fuse holder C
SC20	Fuse 20 on fuse holder C
T2fl	2-pin connector
T4bm	4-pin connector
T5j	5-pin connector
T5n	5-pin connector
T10ab	10-pin connector
T16r	16-pin connector
T17d	17-pin connector
B298	Positive connection 2 (30), in main wiring harness
H4	Connection 2 in wiring harness for reducing-agent tank
*	Diagnostic connection
*2	Only models with petrol engine
*3	Only models with US equipment
*4	From May 2014
*5	Only models with diesel engine
*6	Only Cabriolet models
*7	see applicable current flow diagram for convertible roof
*8	see applicable current flow diagram for special purpose vehicles
*9	Up to April 2014

Wiring Diagram AUDI A3 2014 - Fuse holder C

J245	Sliding sunroof adjustment control unit
J256	Convertible roof actuation control unit
J285	Control unit in dash panel insert
J518	Entry and start authorisation control unit
J525	Digital sound package control unit
J764	Control unit for electronic steering column lock
J772	Reversing camera system control unit
J843	Interface control unit for vehicle location system
J891	Control unit for reducing-agent heater
SC	Fuse holder C
SC1	Fuse 1 on fuse holder C
SC15	Fuse 15 on fuse holder C
SC17	Fuse 17 on fuse holder C
SC18	Fuse 18 on fuse holder C
SC19	Fuse 19 on fuse holder C
SC24	Fuse 24 on fuse holder C
SC27	Fuse 27 on fuse holder C
SC28	Fuse 28 on fuse holder C
T5m	5-pin connector
T6av	6-pin connector
T6b	6-pin connector
T10aa	10-pin connector
T10o	10-pin connector
T12u	12-pin connector
T16g	16-pin connector
T18	18-pin connector
T20i	20-pin connector
T32a	32-pin connector
T38	38-pin connector
B317	Positive connection 3 (30a) in main wiring harness
H3	Connection 1 in wiring harness for reducing-agent tank
*	Only Cabriolet models
*2	see applicable current flow diagram for convertible roof

Wiring Diagram AUDI A3 2014 - Fuse holder C

F147	Driver vanity mirror contact switch
F148	Front passenger vanity mirror contact switch
J386	Driver door control unit
J926	Rear driver side door control unit
J1016	Control unit with rear driver side window regulator motor
SC	Fuse holder C
SC25	Fuse 25 on fuse holder C
SC29	Fuse 29 on fuse holder C
T2ao	2-pin connector
T2ap	2-pin connector
T2kd	2-pin connector
T2me	2-pin connector
T2mf	2-pin connector
T6	6-pin connector
T6at	6-pin connector
T6d	6-pin connector
T10ah	10-pin connector
T20c	20-pin connector
T20j	20-pin connector
T27	27-pin connector, on left A-pillar
T27b	27-pin connector, on left A-pillar
WX3	Front roof module
W18	Luggage compartment light on left
W35	Right luggage compartment light
B320	Positive connection 6 (30a) in main wiring harness
B467	Connection 3, in main wiring harness
*	Only models with 5-doors
*2	Only models with 4-doors
*3	Only Cabriolet models
*4	Only models with 3-doors

Wiring Diagram AUDI A3 2014 - Fuse holder C - Fuse holder H

E26	Glove compartment light switch
E470	Driver seat adjustment operating unit
J608	Special vehicle control unit
SC	Fuse holder C
SH1	Fuse 1 in fuse holder H
SH2	Fuse 2 in fuse holder H
SC23	Fuse 23 on fuse holder C
SC26	Fuse 26 on fuse holder C
SC43	Fuse 43 on fuse holder C
SC44	Fuse 44 on fuse holder C
SC45	Fuse 45 on fuse holder C
SH	Fuse holder H
T3au	3-pin connector
T6aw	6-pin connector
T6x	6-pin connector
T9c	9-pin connector
T10d	10-pin connector, in coupling point for front seat, left
T10q	10-pin connector
T10r	10-pin connector
B299	Positive connection 3 (30), in main wiring harness
B467	Connection 3, in main wiring harness
B468	Connection 4, in main wiring harness
M1	Positive connection 1 (30), in seat adjustment wiring harness
*	see applicable current flow diagram for special purpose vehicles

Wiring Diagram AUDI A3 2014 - Fuse holder D - Fuse holder F

J345	Trailer detector control unit
J608	Special vehicle control unit
SD	Fuse holder D
SF1	Fuse 1 in fuse holder F
SD1	Fuse 1 on fuse holder D
SF2	Fuse 2 in fuse holder F
SD2	Fuse 2 on fuse holder D
SD3	Fuse 3 on fuse holder D
SD4	Fuse 4 on fuse holder D
SF	Fuse holder F
T6aw	6-pin connector
T12b	12-pin connector
T12d	12-pin connector
B322	Positive connection 8 (30a) in main wiring harness
*	see applicable current flow diagram for special purpose vehicles
*2	From May 2014
*3	Up to April 2014

Wiring Diagram AUDI A3 2014 - Relay for neck heating

F366	Actuator 1 for camshaft adjustment
F367	Actuator 2 for camshaft adjustment
F368	Actuator 3 for camshaft adjustment
F369	Actuator 4 for camshaft adjustment
F370	Actuator 5 for camshaft adjustment
F371	Actuator 6 for camshaft adjustment
F372	Actuator 7 for camshaft adjustment
F373	Actuator 8 for camshaft adjustment
J989	Relay for neck heating
N532	Injector 2, cylinder 1
N533	Injector 2, cylinder 2
N534	Injector 2, cylinder 3
N535	Injector 2, cylinder 4
T2or	2-pin connector
T2os	2-pin connector
T2ot	2-pin connector
T2ou	2-pin connector
T2ov	2-pin connector
T2ow	2-pin connector
T2ox	2-pin connector
T2oy	2-pin connector
T2oz	2-pin connector
T2pa	2-pin connector
T2pb	2-pin connector
T2pc	2-pin connector
T8q	8-pin connector
D140	Connection (injectors), in engine prewiring harness
D206	Connection 4 (87a) in engine prewiring harness
*	Only models with 1.8l engine
*2	Only models with 2.0l engine
*3	Only models with petrol engine
*4	Only Cabriolet models

Wiring Diagram AUDI A3 2014 - Control unit for left neck heating - Control unit for right neck heating

E176	Driver seat lumbar support adjustment switch
J387	Front passenger door control unit
J492	All-wheel drive control unit
J769	Lane change assist control unit
J770	Lane change assist control unit 2
J846	Control unit for left neck heating
J847	Control unit for right neck heating
N80	Activated charcoal filter solenoid valve 1
N112	Secondary air inlet valve
N205	Camshaft control valve 1
N318	Exhaust camshaft control valve 1
R242	Front camera for driver assist systems
T2hq	2-pin connector
T2hr	2-pin connector
T2ht	2-pin connector
T2hu	2-pin connector
T4bd	4-pin connector
T4be	4-pin connector
T6d	6-pin connector
T6l	6-pin connector
T8a	8-pin connector
T8y	8-pin connector
T12ac	12-pin connector
T12g	12-pin connector
T12h	12-pin connector
T20d	20-pin connector
Y7	Automatic anti-dazzle interior mirror
*	Only models with 1.8l engine
*2	Only models with 2.0l engine

Wiring Diagram AUDI A3 2014 - Air mass meter - Heater element for crankcase breather - Valve for oil pressure control

G70	Air mass meter
N79	Heater element for crankcase breather
N180	Changeover valve
N366	Gas injection valve 1
N367	Gas injection valve 2
N368	Gas injection valve 3
N369	Gas injection valve 4
N428	Valve for oil pressure control
N583	Inlet cam actuator for cylinder 2
N587	Exhaust cam actuator for cylinder 2
N632	Coolant changeover valve 1
N633	Coolant changeover valve 2
T2hs	2-pin connector
T2hx	2-pin connector
T2hy	2-pin connector
T2ia	2-pin connector
T2om	2-pin connector
T2on	2-pin connector
T2oo	2-pin connector
T2op	2-pin connector
T2oq	2-pin connector
T3aj	3-pin connector
T3as	3-pin connector
T3cp	3-pin connector
T3cq	3-pin connector
T4dj	4-pin connector
V51	Continued coolant circulation pump
V468	Coolant pump for low-temperature circuit
*	Only models with diesel engine
*2	Only models with 1.8l engine
*3	Only models with 2.0l engine
*4	Only models with 1.4l engine
*5	Only models with natural gas engine
*6	Only models with hybrid drive system

Wiring Diagram AUDI A3 2014 - Power and control electronics for electric drive - Control unit for high-voltage battery charging unit

G238	Air quality sensor
JX1	Power and control electronics for electric drive
J65	Heater control unit
J301	Air conditioning system control unit
J431	Headlight range control unit
J745	Control unit for cornering light and headlight range control
J1050	Control unit for high-voltage battery charging unit
N361	Fuel tank shut-off valve 1
N362	Fuel tank shut-off valve 2
N591	Inlet cam actuator for cylinder 3
N595	Exhaust cam actuator for cylinder 3
T2oi	2-pin connector
T2oj	2-pin connector
T3ae	3-pin connector
T3cr	3-pin connector
T3cs	3-pin connector
T20f	20-pin connector
T20g	20-pin connector
T26a	26-pin connector
T26b	26-pin connector
T28	28-pin connector
T60a	60-pin connector
*	Only models with 1.4l engine
*2	Only models with hybrid drive system

AUDI A3 2014 Overview of control units (3-door)

Overview of control units (3-door)

t	Overview of control units (4-door)

t	Overview of control units (5-door)

t	Overview of additional control units and components (5-door, with hybrid drive)

t	Overview of control units (Cabriolet)

   

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Fitting location and 196-pin connector:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

AUDI A3 2014 Overview of control units (4-door) Overview of control units (4-door)   Note: t  Overview of control units (3-door) t  Overview of control units (5-door) t  Overview of additional control units and components (5-door, with hybrid drive) t  Overview of control units (Cabriolet)

1 -	Control unit for right daytime running light and side light -J861-

q	Fitting location: in right gas discharge headlight

3 -	Mechatronic unit for dual clutch gearbox -J743-

q	Fitting location: on gearbox

8 -	Automatic gearbox control unit -J217-

q	Fitting location and connector:

q	Fitting location and 196-pin connector:

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

q	Fitting location: in left gas discharge headlight

12 -	Adaptive cruise control unit -J428-

q	Fitting location and connector:

AUDI A3 2014 Overview of control units (5-door) Overview of control units (5-door)   Note: t  Overview of control units (3-door) t  Overview of control units (4-door) t  Overview of additional control units and components (5-door, with hybrid drive) t  Overview of control units (Cabriolet)

1 -	Control unit for right daytime running light and side light -J861-

q	Fitting location: in right gas discharge headlight

3 -	Mechatronic unit for dual clutch gearbox -J743-

q	Fitting location: on gearbox

6 -	Wiper motor control unit -J400-

q	Fitting location: in plenum chamber

q	Fitting location and 196-pin connector:

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

q	Fitting location: in left gas discharge headlight

10 -	Radiator fan control unit -J293-

q	Fitting location: on radiator

AUDI A3 2014 Overview of additional control units and components (5-door, with hybrid drive) Overview of additional control units and components (5-door, with hybrid drive)   Note: t  Overview of control units (3-door) t  Overview of control units (4-door) t  Overview of control units (5-door) t  Overview of control units (Cabriolet)

8 -	High-voltage battery charging socket 1 -UX4-

q	Only for models with Japan equipment

q	for models with US equipment only

q	Fitting location and connector:

AUDI A3 2014 Overview of control units (Cabriolet) Overview of control units (Cabriolet)   Note: t  Overview of control units (3-door) t  Overview of control units (4-door) t  Overview of control units (5-door) t  Overview of additional control units (5-door, with hybrid drive)

1 -	Control unit for right daytime running light and side light -J861-

q	Fitting location: in right gas discharge headlight

3 -	ABS control unit -J104-

q	Fitting location and connector:

6 -	Power steering control unit -J500-

q	Fitting location and connectors:

q	Fitting location and 196-pin connector:

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

q	Fitting location: in left gas discharge headlight

10 -	Adaptive cruise control unit -J428-

q	Fitting location and connector:

AUDI A3 2014 Battery monitor control unit J367 Battery monitor control unit -J367- Fitting location: on the battery.

A -	2-pin connector -T2b- , black

AUDI A3 2014 ABS control unit J104 ABS control unit -J104- Fitting location: in the engine compartment.

A -	ABS control unit -J104-

AUDI A3 2014

Engine control unit -J623- (154-pin)

Fitting location:

in engine compartment, between battery and electronics box

   

A -	Engine control unit -J623-

A1 -	94-pin connector -T94- , black

A2 -	60-pin connector -T60- , black

AUDI A3 2014 Engine control unit -J623- (196-pin) Fitting location: in engine compartment, between battery and electronics box

A -	Engine control unit -J623-

A1 -	91-pin connector -T91- , black

A2 -	105-pin connector -T105- , black

AUDI A3 2014 Power steering control unit J500 Power steering control unit -J500- Fitting location: Steering box

A -	Power steering control unit -J500-

A1 -	3-pin connector -T3z- , black

A2 -	2-pin connector -T2ag- , black

A3 -	5-pin connector -T5f-

AUDI A3 2014 Adaptive cruise control unit J428 Adaptive cruise control unit -J428- Fitting location: in bumper.

A -	Adaptive cruise control unit -J428-

A1 -	8-pin connector -T8m- , black

AUDI A3 2014 Auxiliary heater control unit J364 Auxiliary heater control unit -J364- Fitting location: Near front right longitudinal member

A -	Auxiliary heater control unit -J364-

A1 -	6-pin connector -T6t- , black

A2 -	2-pin connector -T2v- , black

A3 -	2-pin connector -T2x-

A4 -	4-pin connector -T4r-

A5 -	not assigned

A6 -	2-pin connector -T2y-

AUDI A3 2014 Three-phase current drive VX54 Three-phase current drive -VX54- Fitting location: in the engine compartment.

1 -	Three-phase current drive -VX54-

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

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

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

A -	2-pin connector -T2vx- , black

B -	10-pin connector -T10h- , black

AUDI A3 2014 Maintenance connector for high-voltage system TW Maintenance connector for high-voltage system -TW- Fitting location: in the engine compartment.

1 -	Maintenance connector for high-voltage system -TW-

A -	4-pin connector -T4dk- , green

AUDI A3 2014 High voltage heater (PTC) control unit J848 High voltage heater (PTC) control unit -J848- Fitting location: At centre tunnel, close to catalytic converter

1 -	High voltage heater (PTC) control unit -J848-

2 -	High-voltage wire for high-voltage heater (PTC) -P11-

A -	8-pin connector -T8r- , black

AUDI A3 2014 Brake servo NX6 Brake servo -NX6- Fitting location: Close to bulkhead

1 -	Brake servo -NX6-

A -	4-pin connector -T4ae- , black

B -	26-pin connector -T26d- , black

C -	2-pin connector -T2fj- , black

AUDI A3 2014 Pressure accumulator for brake system VX70 Pressure accumulator for brake system -VX70- Fitting location: In left of engine compartment.

1 -	Pressure accumulator for brake system -VX70-

A -	4-pin connector -T4dm- , black

AUDI A3 2014 Power and control electronics for electric drive JX1 Power and control electronics for electric drive -JX1- Fitting location: In left of engine compartment.

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

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

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

4 -	High-voltage wire for high-voltage battery charger -P25-

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

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

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

A -	28-pin connector -T28- , black

AUDI A3 2014 High-voltage battery charger control unit J1050 High-voltage battery charger control unit -J1050- Fitting location: In left of engine compartment.

1 -	High-voltage battery charger control unit -J1050-

2 -	High-voltage wire for charging socket

3 -	High-voltage wire for high-voltage battery charger -P25-

4 -	High-voltage wire for high-voltage heater (PTC) -P11-

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

A -	60-pin connector -T60a- , black

AUDI A3 2014 High-voltage battery charging socket 1 UX4 High-voltage battery charging socket 1 -UX4- Fitting location: in front bumper.

1 -	High-voltage wire for charging socket

A -	8-pin connector -T8f- , black

B -	High-voltage battery charging socket 1 -UX4-

AUDI A3 2014 High-voltage battery charging socket 1 UX4 High-voltage battery charging socket 1 -UX4- Fitting location: in front bumper.

1 -	High-voltage wire for charging socket

A -	8-pin connector -T8f- , black

B -	High-voltage battery charging socket 1 -UX4-

AUDI A3 2014 Control unit for air conditioner compressor J842 Control unit for air conditioner compressor -J842- Fitting location: in engine compartment, right.

1 -	Control unit for air conditioner compressor -J842-

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

A -	8-pin connector -T8s- , black

AUDI A3 2014 Automatic gearbox control unit J217 Automatic gearbox control unit -J217- Fitting location: In front left wheel housing.

1 -	Automatic gearbox control unit -J217-

A -	52-pin connector -T52a- , black

AUDI A3 2014 Overview of fuses (3-door)

Overview of fuses (3-door)

t	Overview of fuses (4-door)

t	Overview of fuses (5-door)

t	Overview of fuses (Cabriolet)

   

q	Fuse assignment:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Fuse assignment:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Fuse assignment as of May 2013:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Fuse assignment:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Fuse assignment as of May 2013:

q	Fuse assignment as of May 2014:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Fitting location for right-hand drive models:

q	Fuse assignment:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Fitting location for right-hand drive models:

q	Fuse assignment up to April 2013:

q	Fuse assignment as of May 2013:

q	Fuse assignment as of May 2014:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Fuse assignment:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

AUDI A3 2014 Overview of fuses (4-door) Overview of fuses (4-door)   Note: t  Overview of fuses (3-door) t  Overview of fuses (5-door) t  Overview of fuses (Cabriolet)

q	Fuse assignment:

q	Fuse assignment:

q	Fuse assignment as of May 2013:

q	Fuse assignment:

q	Fuse assignment as of May 2013:

q	Fuse assignment as of May 2014:

q	Fitting location for right-hand drive models:

q	Fuse assignment:

q	Fitting location for right-hand drive models:

q	Fuse assignment up to April 2013:

q	Fuse assignment as of May 2013:

q	Fuse assignment as of May 2014:

q	Fuse assignment:

AUDI A3 2014 Overview of fuses (5-door) Overview of fuses (5-door)   Note: t  Overview of fuses (3-door) t  Overview of fuses (4-door) t  Overview of fuses (Cabriolet)

q	Fitting location with hybrid drive:

q	Fuse assignment with and without hybrid drive, without RS3:

q	Fuse assignment with RS3:

q	Fitting location with hybrid drive:

q	Fuse assignment:

q	Fuse assignment as of May 2013:

q	Fuse assignment:

q	Fuse assignment as of May 2013:

q	Fuse assignment as of May 2014:

q	Fitting location for right-hand drive models:

q	Fuse assignment:

q	Fitting location for right-hand drive models:

q	Fuse assignment up to April 2013:

q	Fuse assignment as of May 2013:

q	Fuse assignment as of May 2014:

q	Fuse assignment:

7 -	Fuse holder in main fuse box in luggage compartment

q	Components: -S131- , -S132- , -S133- , -S1-

q	Fitting location with RS3:

q	Fuse assignment with RS3:

8 -	Fuse holder for battery in luggage compartment

q	Components: -S162- , -S163-

q	Fitting location with hybrid drive:

q	Fuse assignment, with hybrid drive:

AUDI A3 2014 Overview of fuses (Cabriolet) Overview of fuses (Cabriolet)   Note: t  Overview of fuses (3-door) t  Overview of fuses (4-door) t  Overview of fuses (5-door)

q	Fuse assignment:

q	Fuse assignment:

q	Fuse assignment as of May 2013:

q	Fitting location for right-hand drive models:

q	Fuse assignment, from November 2013:

q	Fuse assignment:

q	Fuse assignment as of May 2013:

q	Fuse assignment as of May 2014:

q	Fuse assignment, from November 2013:

q	Fitting location for right-hand drive models:

q	Fuse assignment:

q	Fitting location for right-hand drive models:

q	Fuse assignment as of May 2013:

q	Fuse assignment as of May 2014:

q	Fuse assignment:

AUDI A3 2014

Fitting location fuse holder A -SA- , without hybrid drive

SA -	Fuse holder A

SA1 -

Fuse 1 on fuse holder A

SA2 -

Fuse 2 on fuse holder A

SA3 -

Fuse 3 on fuse holder A

SA4 -

Fuse 4 on fuse holder A

SA5 -

Fuse 5 on fuse holder A

AUDI A3 2014

Fitting location fuse holder A -SA- , with hybrid drive

A -	Fuse holder A

SA1 -

Fuse 1 on fuse holder A ,

SA2 -

Fuse 2 on fuse holder A ,

SA3 -

Fuse 3 on fuse holder A ,

SA4 -

Fuse 4 on fuse holder A ,

SA5 -

Fuse 5 on fuse holder A ,

SA6 -

Fuse 6 on fuse holder A ,

AUDI A3 2014

Fuse assignment fuse holder A -SA- , with and without hybrid drive, without RS3

Screw location	Current Flow Diagram designation	Nominal value	Function/component	Terminal
J1A	Fuse 1 on fuse holder A -SA1-	125 A	Supply for the fuses:	30
			-SC4- …-SC14-
			-SC30-
			-SC31-
			-SC38-
			-SC39-
			-SC41-
			-SC42-
			-SC53-
			Front passenger seat adjustment thermal fuse 1 -S46-
			Terminal 15 voltage supply relay -J329-
G1A	Fuse 2 on fuse holder A -SA2-	150 A 1) 200 A 2) 250 A 3) 400 A 4) 250 A 5)	Alternator -C-	30
			Power and control electronics for electric drive -JX1- 5)
E1A	Fuse 3 on fuse holder A -SA3-	80 A	Power steering control unit -J500-	30
K2A	Fuse 4 on fuse holder A -SA4-	80 A	Supply for the fuses:	30
			-SC15- …-SC20-
			-SC23- …-SC28-
			-SB43- …-SB45-
L1A	Fuse 5 on fuse holder A -SA5-	80 A 5) 50 A 6)	Radiator fan control unit -J293-	30
P1A	Fuse 6 on fuse holder A -SA6-	50 A 5)	Mechatronic unit for dual clutch gearbox -J743- 5) 7)	30

1) for models with 90 A alternator only, up to April 2013

2) for models with 140 A alternator only, up to April 2013

3) for models with 180 A alternator only, up to April 2013

4) for models with alternator only, from May 2013

5) for models with hybrid drive only

6) for models with hybrid drive only

7) for models with 6-speed dual clutch gearbox 0DD only

AUDI A3 2014

Fuse assignment, fuse holder A -SA- , with RS3

Screw location	Current Flow Diagram designation	Nominal value	Function/component	Terminal
J1A	Fuse 1 on fuse holder A -SA1-	80 A	Radiator fan control unit -J293-	30
G1A	Fuse 2 on fuse holder A -SA2-	400 A	Alternator -C-	30
E1A	Fuse 3 on fuse holder A -SA3-	-		-
K2A	Fuse 4 on fuse holder A -SA4-	80 A	Power steering control unit -J500-	30
L1A		-		-

AUDI A3 2014

Fitting location fuse holder B -SB- , without hybrid drive

A -	Fuse holder B -SB- ;

Fuse colours:

t	50 A - red

t	40 A - orange

t	30 A - light-green

t	25 A - natural (white)

t	20 A - yellow

t	15 A - light blue

t	10 A - red

t	7.5 A - brown

t	5 A - light-brown

t	3 A - violet

AUDI A3 2014

Fitting location fuse holder B -SB- , with hybrid drive

A -	Fuse holder B -SB- ;

Fuse colours:

t	50 A - red

t	40 A - orange

t	30 A - light-green

t	25 A - natural (white)

t	20 A - yellow

t	15 A - light blue

t	10 A - red

t	7.5 A - brown

t	5 A - light-brown

t	3 A - violet

AUDI A3 2014 Fuse assignment on fuse holder B SB

Fuse assignment on fuse holder B -SB-

Slot	Current Flow Diagram designation	Nominal value	Function/component	Terminal
F1	Fuse 1 on fuse holder B -SB1-	40 A	ABS control unit -J104-	30
F2	Fuse 2 on fuse holder B -SB2-	40 A	ABS control unit -J104-	30
F3	Fuse 3 on fuse holder B -SB3-	15 A 1) 30 A 2)	Engine control unit -J623-	87
F4	Fuse 4 on fuse holder B -SB4-	5 A 2) 14) 10 A 1)	Oil level and oil temperature sender -G266-	87
			Engine component current supply relay -J757-14)
			Radiator fan control unit -J293-
			Charge pressure control solenoid valve -N75-2)
			Activated charcoal filter solenoid valve 1 -N80- 3) 4)
			Camshaft control valve 1 -N205-3) 4)
			Camshaft control valve 2 -N208- 4)
			Turbocharger air recirculation valve -N249- 5)
			Exhaust camshaft control valve 1 -N318- 4)
			Intake manifold flap valve -N316- 5)
			Exhaust gas recirculation cooler changeover valve -N345- 2)
			High-pressure valve for gas mode -N372- 4) 6)
			Valve for oil pressure control -N428- 4) 5)
			Piston cooling jet control valve -N522- 5)
			Air mass meter -G70- 5)
			Low heat output relay -J359- 2)
			High heat output relay -J360- 2)
			Relay for reducing agent metering system -J963- 19)
			Inlet cam actuator for cylinder 2 -N583- 4)
			Exhaust cam actuator for cylinder 2 -N587- 4)
			Inlet cam actuator for cylinder 3 -N591- 4)
			Exhaust cam actuator for cylinder 3 -N595- 4)
			Coolant shortage indicator control unit -J120- 13)
F5	Fuse 5 on fuse holder B -SB5-	10 A 5) 2) 13) 7.5 A 6) 15 A 14)	Engine component current supply relay -J757- 5)	87
			Activated charcoal filter solenoid valve 1 -N80- 14)
			Valve for oil pressure control -N428- 14)
			Intake manifold flap valve -N316- 14)
			Charge pressure control solenoid valve -N75- 14)
			Turbocharger air recirculation valve -N249- 14)
			Oil level and oil temperature sender -G266- 14)
			Exhaust flap control unit -J883- 14)
			Exhaust flap control unit 2 -J945- 14)
			Injector 2 for cylinder 1 -N532- 5)
			Injector 2 for cylinder 2 -N533- 5)
			Injector 2 for cylinder 3 -N534- 5)
			Injector 2 for cylinder 4 -N535- 5)
			Actuator 1 for camshaft adjustment -F366- 5)
			Actuator 2 for camshaft adjustment -F367- 5)
			Actuator 3 for camshaft adjustment -F368- 5)
			Actuator 4 for camshaft adjustment -F369- 5)
			Actuator 5 for camshaft adjustment -F370- 5)
			Actuator 6 for camshaft adjustment -F371- 5)
			Actuator 7 for camshaft adjustment -F372- 5)
			Actuator 8 for camshaft adjustment -F373- 5)
			Fuel pressure regulating valve -N276- 2)
			Fuel metering valve -N290- 2)
			Camshaft control valve 1 -N205- 2)
			Relay for gas shut-off valves -J908- 6)
			Gas injection valve 1 -N366- 6)
			Gas injection valve 2 -N367- 6)
			Gas injection valve 3 -N368- 6)
			Gas injection valve 4 -N369- 6)
			Coolant valve for gearbox -N488- 13)
			Coolant pump for high-temperature circuit -V467- 13)
			Coolant circulation pump 2 -V178- 13)
F6	Fuse 6 on fuse holder B -SB6-	5 A	Brake light switch -F-	87
			Brake pedal switch -F47- 14)
			Brake pedal switch -F63-
F7	Fuse 7 on fuse holder B -SB7-	10 A2) 3) 4) 18) 5 A 5) 7) 7,5 A 5) 8) 15 A 13) 5 A 14)	Fuel pressure regulating valve -N276- 3) 4)	87
			Solenoid valve for coolant circuit -N492- 14)
			Coolant circulation pump -V50- 14)
			Additional coolant pump relay -J496- 14)
			Ethanol concentration sender -G708- 18)
			Continued coolant circulation pump -V51- 3) 4) 18)
			Coolant shut-off valve -N82- 5)
			Coolant valve for gearbox -N488- 5)
			Valve for oil pressure control -N428- 2)
			Coolant valve for cylinder head -N489- 2)
			Charge air cooling pump -V188- 2)
			Auxiliary pump for heating -V488- 2)
			Coolant changeover valve 1 -N632- 13)
			Coolant changeover valve 2 -N633- 13)
			Coolant pump for low-temperature circuit -V468- 13)
F8	Fuse 8 on fuse holder B -SB8-	10 A2) 3) 4) 15 A 5) 9) 13) 14)	Lambda probe heater -Z19-	87
			Lambda probe 1 heater after catalytic converter -Z29-
F9	Fuse 9 on fuse holder B -SB9-	20 A 3) 4) 10 A 5) 14) 5 A 2)	Ignition coil 1 with output stage -N70- 3) 4)	87
			Camshaft control valve 1 -N205- 14)
			Exhaust camshaft control valve 1 -N318- 14)
			Ignition coil 2 with output stage -N127- 3) 4)
			Ignition coil 3 with output stage -N291- 3) 4)
			Ignition coil 4 with output stage -N292- 3) 4)
			Exhaust flap control unit -J883- 5)
			Activated charcoal filter solenoid valve 1 -N80- 5)
			Camshaft control valve 1 -N205- 5)
			Exhaust camshaft control valve 1 -N318- 5)
			Continued coolant circulation pump -V51- 5)
			Automatic glow period control unit -J179- 2)
			Air mass meter -G70- 2)
			Heater element for crankcase breather -N79- 2)
			Fuel tank shut-off valve -N288- 13)
F10	Fuse 10 on fuse holder B -SB10-	15 A 1) 20 A 2) 14)	Fuel pump control unit -J538-	87
F11	Fuse 11 on fuse holder B -SB11-	40 A 50 A 13)	Auxiliary air heater element -Z35- 2)	87
			Secondary air pump motor -V101- 5) 13)
F12	Fuse 12 on fuse holder B -SB12-	40 A	Auxiliary air heater element -Z35- 2)	87
F13	Fuse 13 on fuse holder B -SB13-	15 A 10) 15) 16) 30 A 11) 17)	Mechatronic unit for dual clutch gearbox -J743- 10) 11) 15) 16)	30
			Automatic gearbox control unit -J217- 17)
F14	Fuse 14 on fuse holder B -SB14-	30 A 14)	Ignition coil 1 with output stage -N70- 14)	87
			Ignition coil 2 with output stage -N127- 14)
			Ignition coil 3 with output stage -N291- 14)
			Ignition coil 4 with output stage -N292- 14)
			Ignition coil 5 with output stage -N323- 14)
F15	Fuse 15 on fuse holder B -SB15-	15 A	Horn relay -J413-	30
F16	Fuse 16 on fuse holder B -SB16-	5 A 6) 10 A 13) 20 A 5) 30 A 14)	Relay for gas shut-off valves -J908- 6)	30
			Fuel tank shut-off valve 1 -N361- 6)
			Fuel tank shut-off valve 2 -N362- 6)
			Engine component current supply relay -J757- 5) 14)
			Ignition coil 1 with output stage -N70- 5)
			Ignition coil 2 with output stage -N127- 5)
			Ignition coil 3 with output stage -N291- 5)
			Ignition coil 4 with output stage -N292- 5)
			Power and control electronics for electric drive -JX1- 13)
			High-voltage battery charger control unit -J1050- 13)
			Fuse 14 on fuse holder B -SB14- 14)
			Fuse 31 on fuse holder B -SB31- 14)
F17	Fuse 17 on fuse holder B -SB17-	7.5 A	Main relay -J271- 1)	30
			Terminal 30 voltage supply relay -J317- 2)
			Engine control unit -J623-
			ABS control unit -J104-
F18	Fuse 18 on fuse holder B -SB18-	5 A	Battery monitor control unit -J367-	30
			Data bus diagnostic interface -J533-
F19	Fuse 19 on fuse holder B -SB19-	30 A	Wiper motor control unit -J400-	30
F20	Fuse 20 on fuse holder B -SB20-	10 A	Alarm horn -H12-	30
F21	not assigned	-		-
F22	Fuse 22 on fuse holder B -SB22-	5 A	Engine control unit -J623-	50
F23	Fuse 23 on fuse holder B -SB23-	30 A	Starter -B-	50
F24	Fuse 24 on fuse holder B -SB24-	40 A	Auxiliary air heater element -Z35- 2)	87 2) 30 13)
			Brake servo -NX6- 13)
F25	not assigned	-		-
F26	not assigned	-		-
F27	not assigned	-		-
F28	not assigned	-		-
F29	not assigned	-		-
F30	not assigned	-		-
F31	Fuse 31 on fuse holder B -SB31-	5 A 7) 12) 7.5 A 13) 15 A 8) 10 A 14)	Output module for left headlight -J667- 7) 12)	87
			Fuel metering valve -N290- 14)
			Vacuum pump relay -J57- 8)
			Vacuum pump for brakes -V192- 8)
			Coolant circulation pump before power and control electronics for electric drive -V508- 13)
F32	Fuse 32 on fuse holder B -SB32-	5 A	Output module for right headlight -J668- 12)	87
			Output module for left headlight -J667- 8) 12)
F33	Fuse 33 on fuse holder B -SB33-	30 A	Brake system pressure accumulator -VX70- 13)	30
F34	Fuse 34 on fuse holder B -SB34-	5 A	Brake servo -NX6- 13)	30
F35	Fuse 35 on fuse holder B -SB35-	7.5 A	Air conditioning system relay -J32- 13)	30
			Pressure sender for refrigerant circuit -G805- 13)
			Refrigerant pressure and temperature sender -G395- 13)
			Control unit for air conditioning compressor -J842- 13)
			High voltage heater (PTC) control unit -J848- 13)
F36	not assigned
F37	Fuse 37 on fuse holder B -SB37-	20 A	Auxiliary heater control unit -J364-	30
F38	Fuse 38 on fuse holder B -SB38-	20 A	Vacuum pump relay -J57- 7)	30

1) Only models with petrol engine

2) for models with diesel engine only

3) for models with 1.2 l engine only

4) for models with 1.4 l engine only

5) for models with 1.8 l or 2.0 l engine only

6) for CNG models only

7) up to April 2013

8) From May 2013

9) for models with engine code CPTA, CZEA only

10) for models with dual clutch gearbox 0D9 only

11) for models with dual clutch gearbox 0CW only

12) for models with LED headlights only

13) for models with hybrid drive only

14) for RS3 only

15) for models with dual clutch gearbox 0BH only

16) for models with dual clutch gearbox 0DE only

17) for models with 6-speed automatic gearbox only

18) for models with Brazil equipment only

19) from November 2015

AUDI A3 2014 Fitting location of fuse holder C SC

Fitting location of fuse holder C -SC-

A -	Fuse holder C -SC- ,

Fuse colours:

t	50 A - red

t	40 A - orange

t	30 A - light-green

t	25 A - natural (white)

t	20 A - yellow

t	15 A - light blue

t	10 A - red

t	7.5 A - brown

t	5 A - light-brown

t	3 A - violet

AUDI A3 2014 Fuse assignment, fuse holder C SC

Fuse assignment, fuse holder C -SC-

Slot	Current Flow Diagram designation	Nominal value	Function/component	Terminal
F1	Fuse 1 on fuse holder C -SC1-	30 A	Control unit for reducing agent metering system -J880-	30
F2	Fuse 2 on fuse holder C -SC2-	10 A 1)	Driver seat lumbar support adjustment switch -E176- 1)	30
			Front passenger seat lumbar support adjustment switch -E177- 1)
			Driver seat lumbar support longitudinal adjustment motor -V125- 1)
			Front passenger seat lumbar support longitudinal adjustment motor -V126- 1)
			Driver seat lumbar support height adjustment motor -V129- 1)
			Front passenger seat lumbar support height adjustment motor -V130- 1)
F3	Fuse 3 on fuse holder C -SC3-	40 A	Convertible roof actuation hydraulic pump relay -J321-	30
			Hydraulic pump relay 2 for convertible roof -J588-
			Convertible roof actuation hydraulic pump -V118-
F4	Fuse 4 on fuse holder C -SC4-	7.5 A	Multimedia system operating unit -E380-	30
			Control unit 1 for information electronics -J794-
F5	Fuse 5 on fuse holder C -SC5-	5 A	Data bus diagnostic interface -J533-	30
F6	Fuse 6 on fuse holder C -SC6-	5 A	Selector lever -E313- 15)	30
			Anti-theft alarm sensor -G578- 16)
F7	Fuse 7 on fuse holder C -SC7-	10 A	Heated rear window relay -J9-	30
			Heater control unit -J65-
			Climatronic control unit -J255-
			Air conditioning system control unit -J301-
			Selector lever -E313- 16)
			Remote control receiver for auxiliary heater -R64-
F8	Fuse 8 on fuse holder C -SC8-	10 A	Light switch -E1-	30
			Electromechanical parking brake button -E538-
			Humidity sender -G355-
			Rain and light sensor -G397-
			Anti-theft alarm sensor -G578- 15)
			16-pin connector -T16-
			Emergency call module control unit and communication unit -J949- 9)
			Front roof module -WX3-
F9	Fuse 9 on fuse holder C -SC9-	1 A 1) 5 A 15)	Steering column electronics control unit -J527- 1) 15)	30
F10	Fuse 10 on fuse holder C -SC10-	5 A	Display unit for front information display and operating unit control unit -J685-	30
F11	Fuse 11 on fuse holder C -SC11-	15 A 2) 25 A 1)	All-wheel drive control unit -J492- 2)	30
			Control unit for front left belt tensioner -J854- 1)
F12	Fuse 12 on fuse holder C -SC12-	15 A 4) 20 A 3)	Control unit 1 for information electronics -J794-	30
F13	Fuse 13 on fuse holder C -SC13-	20 A 15 A 9)	Electronically controlled damping control unit -J250-	30
			Maintenance connector for high-voltage system -TW- 9)
F14	Fuse 14 on fuse holder C -SC14-	30 A	Fresh air blower control unit -J126-	30
F15	Fuse 15 on fuse holder C -SC15-	10 A	Control unit for electronic steering column lock -J764-	30
F16	Fuse 16 on fuse holder C -SC16-	7.5 A	Chip card reader control unit -J676-	30
			TV tuner -R78-
			Aerial amplifier for mobile telephone -R86-
			Telephone bracket -R126-
			Connection for external audio sources -R199-
F17	Fuse 17 on fuse holder C -SC17-	5 A	Control unit in dash panel insert -J285-	30
F18	Fuse 18 on fuse holder C -SC18-	7.5 A	Reversing camera system control unit -J772-	30
F19	Fuse 19 on fuse holder C -SC19-	7.5 A	Entry and start authorisation control unit -J518-	30
			Interface control unit for vehicle location system -J843-
F20	Fuse 20 on fuse holder C -SC20-	15 A 2) 7.5 A 5) 6) 7)	Driver seat lumbar support adjustment switch -E176- 2)	30
			Front passenger seat lumbar support adjustment switch -E177- 2)
			Driver seat lumbar support longitudinal adjustment motor -V125- 2)
			Front passenger seat lumbar support longitudinal adjustment motor -V126- 2)
			Driver seat lumbar support height adjustment motor -V129- 2)
			Front passenger seat lumbar support height adjustment motor -V130- 2)
			Control unit for fuel tank leak detection -J909- 5) 7)
			Relay for reducing agent metering system -J963- 6) 7)
F21	not assigned	-		-
F22	not assigned	-		-
F23	Fuse 23 on fuse holder C -SC23-	40 A	Onboard supply control unit -J519-	30
F24	Fuse 24 on fuse holder C -SC24-	20 A 30 A 8)	Sliding sunroof adjustment control unit -J245-	30
			Convertible roof actuation control unit -J256- 8)
F25	Fuse 25 on fuse holder C -SC25-	30 A	Driver door control unit -J386-	30
			Rear driver side door control unit -J926-
			Control unit with rear driver side window regulator motor -J1016-
			Rear left window regulator motor -V26-
F26	Fuse 26 on fuse holder C -SC26-	30 A	Onboard supply control unit -J519- t  Front seat heating	30
F27	Fuse 27 on fuse holder C -SC27-	30 A	Digital sound package control unit -J525-	30
F28	Fuse 28 on fuse holder C -SC28-	5 A 7) 8) 20 A 2)	Convertible roof actuation control unit -J256- 7) 8)	30
			Trailer detector control unit -J345- 2)
F29	Fuse 29 on fuse holder C -SC29-	7.5 A	Glove compartment light switch -E26-	30
			Driver side vanity mirror contact switch -F147-
			Front passenger side vanity mirror contact switch -F148-
			Glove compartment light -W6-
			Front passenger side illuminated vanity mirror -W14-
			Left luggage compartment light -W18-
			Driver side illuminated vanity mirror -W20-
			Right luggage compartment light -W35-
			Front roof module -WX3-
			Front interior light -WX1-
			Special vehicle control unit -J608-
F30	Fuse 30 on fuse holder C -SC30-	25 A 2)	Seat belt tensioner relay -J669- 2)	30
			Control unit for front left belt tensioner -J854- 2)
F31	Fuse 31 on fuse holder C -SC31-	40 A	Onboard supply control unit -J519-	30
F32	Fuse 32 on fuse holder C -SC32-	7.5 A	Adaptive cruise control unit -J428-	15
			Parking aid control unit -J446-
			Park assist steering control unit -J791-
			Lane change assist control unit -J769-
			Lane change assist control unit 2 -J770-
			Front camera for driver assist systems -R242-
F33	Fuse 33 on fuse holder C -SC33-	5 A	Airbag control unit -J234-	15
			Front passenger airbag deactivated warning lamp -K145-
F34	Fuse 34 on fuse holder C -SC34-	7.5 A	Auto-hold button -E540-	15
			Reversing light switch -F4-
			Pressure sender for refrigerant circuit -G805-
			Relay for power sockets -J807-
			Control unit for structure-borne sound -J869-
			Seat belt tensioner relay -J669- 2)
F35	Fuse 35 on fuse holder C -SC35-	10 A	Headlight range control regulator -E102-	15
			Interior mirror -EX5-
			Air quality sensor -G238-
			Humidity sender in fresh air intake duct -G657-
			Control unit for cornering light and headlight range control -J745-
			Headlight range control unit -J431-
			16-pin connector -T16-
			Left headlight range control motor -V48-
			Right headlight range control motor -V49-
F36	Fuse 36 on fuse holder C -SC36-	15 A	Output module for right headlight -J668-	15
			Output module 1 for right LED headlight -A27-
F37	Fuse 37 on fuse holder C -SC37-	15 A	Output module for left headlight -J667-	15
			Output module 1 for left LED headlight -A31-
F38	Fuse 38 on fuse holder C -SC38-	20 A 2) 15 A 9)	Trailer detector control unit -J345- 2)	30
			Hybrid battery unit -AX1- 9)
F39	Fuse 39 on fuse holder C -SC39-	30 A	Front passenger door control unit -J387-	30
			Rear passenger side door control unit -J927-
			Control unit with rear passenger side window regulator motor -J1017-
			Rear right window regulator motor -V27-
F40	Fuse 40 on fuse holder C -SC40-	20 A	Electric socket -U-	87
			Cigarette lighter -U1-
			12 V socket -U5-
F41	Fuse 41 on fuse holder C -SC41-	1 A 2) 25 A 1)	Steering column electronics control unit -J527- 2)	30
			Control unit for front right belt tensioner -J855- 1)
F42	Fuse 42 on fuse holder C -SC42-	40 A	Onboard supply control unit -J519-	30
F43	Fuse 43 on fuse holder C -SC43-	30 A	Onboard supply control unit -J519-	30
F44	Fuse 44 on fuse holder C -SC44-	15 A	Trailer detector control unit -J345- 2)	30
			All-wheel drive control unit -J492- 1)
F45	Fuse 45 on fuse holder C -SC45-	15 A	Driver seat adjustment operating unit -E470-	30
			Driver seat lumbar support adjustment switch -E176-
F46	not assigned	-		-
F47	Fuse 47 on fuse holder C -SC47-	15 A	Rear window wiper motor -V12-	15
F48	Fuse 48 on fuse holder C -SC48-	10 A 9) 5 A13) 14)	Front left headlight -MX1-14)	15
			Front right headlight -MX2-14)
			Engine sound generator control unit -J943- 9)
F49	Fuse 49 on fuse holder C -SC49-	5 A	Clutch position sender -G476-	15
			Starter relay 1 -J906-
			Starter relay 2 -J907-
			Hybrid battery unit -AX1- 9)
			Power and control electronics for electric drive -JX1- 9)
			Current supply relay -J16-
F50	not assigned
F51	Fuse 51 on fuse holder C -SC51-	25 A 2)	Control unit for front right belt tensioner -J855- 2)	15
F52	not assigned
F53	Fuse 53 on fuse holder C -SC53-	30 A 10) 12) 40 A 11) 20 A 8)	Heated rear window relay -J9-	30
			Heated rear window -Z1-

1) From May 2013

2) up to April 2013

3) for models with MMI only

4) Only models with radio

5) Only models with petrol engine

6) for models with diesel engine only

7) from November 2013

8) for Cabriolet only

9) for models with hybrid drive only

10) for 3-door models only

11) for 4-door models only

12) for 5-door models only

13) for RS3 only

14) for models with LED headlights only

15) From May 2015

16) up to April 2015

On models with hybrid drive, fuse SC13 bears an emergency marking. When changing this fuse, an emergency marking must be affixed to it.

Fitting location, fuse holder D -SD-

Fitting location fuse holder D -SD- , left-hand drive

A -	Fuse holder D -SD-

Fuse colours:

t	50 A - red

t	40 A - orange

t	30 A - light-green

t	25 A - natural (white)

t	20 A - yellow

t	15 A - light blue

t	10 A - red

t	7.5 A - brown

t	5 A - light-brown

t	3 A - violet

Fitting location fuse holder D -SD- , right-hand drive

E -	Fuse holder D -SD-

Fuse colours:

t	50 A - red

t	40 A - orange

t	30 A - light-green

t	25 A - natural (white)

t	20 A - yellow

t	15 A - light blue

t	10 A - red

t	7.5 A - brown

t	5 A - light-brown

t	3 A - violet

Fuse assignment fuse holder D -SD- , from March 2012, up to April 2013

Slot	Current Flow Diagram designation	Nominal value	Function/component	Terminal
F1	Fuse 1 on fuse holder D -SD1-	15 A	Socket -U- 1)	15
F2	Fuse 2 on fuse holder D -SD2-	10 A	Special vehicle control unit -J608- 2)	30
F3	not assigned	-		-
F4	not assigned	-		-

1) for driving school models only

2) for models with driving aids only

AUDI A3 2014

Fuse assignment fuse holder D -SD- , from May 2013

Slot	Current Flow Diagram designation	Nominal value	Function/component	Terminal
F1	Fuse 1 on fuse holder D -SD1-	20 A	Trailer detector control unit -J345-	30
F2	Fuse 2 on fuse holder D -SD2-	15 A	Trailer detector control unit -J345-	30
F3	Fuse 3 on fuse holder D -SD3-	20 A	Trailer detector control unit -J345-	30
F4	Fuse 4 on fuse holder D -SD4-	15 A	not assigned	-

AUDI A3 2014

Fuse assignment fuse holder D -SD- , from May 2014

Slot	Current Flow Diagram designation	Nominal value	Function/component	Terminal
F1	Fuse 1 on fuse holder D -SD1-	25 A	Trailer detector control unit -J345-	30
F2	Fuse 2 on fuse holder D -SD2-	15 A	Trailer detector control unit -J345-	30
F3	Fuse 3 on fuse holder D -SD3-	25 A	Trailer detector control unit -J345-	30
F4	Fuse 4 on fuse holder D -SD4-	15 A	Trailer detector control unit -J345-	30

AUDI A3 2014

Fitting location fuse holder F -SF- , from May 2013

B -	Fuse holder F -SF- ,

Fuse colours:

t	50 A - red

t	40 A - orange

t	30 A - light-green

t	25 A - natural (white)

t	20 A - yellow

t	15 A - light blue

t	10 A - red

t	7.5 A - brown

t	5 A - light-brown

t	3 A - violet

AUDI A3 2014

Fuse assignment fuse holder F -SF- , from May 2013

Slot	Current Flow Diagram designation	Nominal value	Function/component	Terminal
F1	Fuse 1 on fuse holder F -SF1-	15 A	Socket -U- 1)	15
F2	Fuse 2 on fuse holder F -SF2-	10 A	Special vehicle control unit -J608- 2)	30

1) for driving school models only

2) for models with driving aids only

Fitting location of fuse holder H -SH-

Fitting location fuse holder H -SH- , left-hand drive

A -	Fuse holder H -SH-

Fuse colours:

t	50 A - red

t	40 A - orange

t	30 A - light-green

t	25 A - natural (white)

t	20 A - yellow

t	15 A - light blue

t	10 A - red

t	7.5 A - brown

t	5 A - light-brown

t	3 A - violet

Fitting location fuse holder H -SH- , right-hand drive

D -	Fuse holder H -SH-

Fuse colours:

t	50 A - red

t	40 A - orange

t	30 A - light-green

t	25 A - natural (white)

t	20 A - yellow

t	15 A - light blue

t	10 A - red

t	7.5 A - brown

t	5 A - light-brown

t	3 A - violet

Fuse assignment on fuse holder H -SH-

Slot	Current Flow Diagram designation	Nominal value	Function/component	Terminal
F1	Fuse 1 in fuse holder H -SH1-	30 A	Control unit for right neck heating -J847-	87
			Blower for right neck heating -V451-
F2	Fuse 2 in fuse holder H -SH2-	30 A	Control unit for left neck heating -J846-	87
			Blower for left neck heating -V450-

AUDI A3 2014

Fuse holder on onboard supply control unit -J519- , left-hand drive

A -	Front passenger seat adjustment thermal fuse 1 -S46- - 15 A

B -	not assigned

AUDI A3 2014

Fuse holder on onboard supply control unit -J519- , right-hand drive

A -	not assigned

B -	Front passenger seat adjustment thermal fuse 1 -S46- - 15 A

C -	not assigned

D -	Fuse holder H -SH- ,

E -	Fuse holder D -SD- ,

AUDI A3 2014 Fuse holder for battery in luggage compartment, with hybrid drive

Fuse holder for battery in luggage compartment, with hybrid drive

1 -	Fuse 1 (30) in fuse holder on battery -S162- - 200 A

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

AUDI A3 2014 Fitting location of fuse holder in main fuse box in luggage compartment, with RS3

Fitting location of fuse holder in main fuse box in luggage compartment, with RS3

A -	Fuse holder in main fuse box in luggage compartment

1 -	Fuse 3 -S133-

2 -	Fuse 2 -S132-

3 -	Fuse 1 -S131-

4 -	Fuse 1 in fuse holder -S1-

AUDI A3 2014 Fuse assignment, fuse holder in main fuse box in luggage compartment

Fuse assignment, fuse holder in main fuse box in luggage compartment

Screw location	Current Flow Diagram designation	Nominal value	Function/component	Terminal
A1	Fuse 1 -S131-	125 A	Supply for the fuses:	30
			-SC4- …-SC14-
			-SC30-
			-SC31-
			-SC38-
			-SC39-
			-SC41-
			-SC42-
			-SC53-
			Front passenger seat adjustment thermal fuse 1 -S46-
			Terminal 15 voltage supply relay -J329-
B1	Fuse 2 -S132-	80 A	Supply for the fuses:	30
			-SC15- …-SC20-
			-SC23- …-SC28-
			-SB43- …-SB45-
C1	Fuse 3 -S133-	125 A	Fuse 4 on fuse holder A -SA4-	30
			Fuse 1 on fuse holder B -SB1-
			Fuse 2 on fuse holder B -SB2-
			Main relay -J271-
G1	Fuse 1 in fuse holder -S1-	5 A	Battery monitor control unit -J367-	30

AUDI A3 2014 Overview of coupling stations (3-door models)

Overview of coupling stations (3-door models)

t	Overview of coupling stations (4-door)

t	Overview of coupling stations (5-door)

t	Overview of coupling stations (Cabriolet)

   

1 -	Coupling station for engine pre-wiring

q	Connectors: -T10c-, -T14-

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

3 -

q	Fitting location for right-hand drive models:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

4 -	Seat wiring coupling station, right

q	Connectors: -T3h-, -T5a-, -T6j-, -T10e-

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

5 -

q	Overview (4-door):

q	Overview (5-door):

6 -	Rear right coupling station, rear lid

q	Connectors: -T2l-, -T2k-, -T2ah-, -T2es-

q	Fitting location:

q	Overview (5-door):

7 -	Coupling station for rear bumper

q	Connectors: -T8z-, -T10f-

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

8 -	Coupling station, rear left side of rear lid

q	Connectors: -T2m-, -T17f-

q	Fitting location:

q	Overview (5-door):

9 -	Seat wiring coupling station, left

q	Connectors: -T3g-, -T5-, -T6i-, -T10d-

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

10 -

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

Coupling station on left A-pillar

q	Connectors, left-hand drive -T17-, -T17a-, -T17b-, -T17c-, -T17d-

q	Connectors, right-hand drive -T10a-, -T17-, -T17a-, -T17b-, -T17c-, -T17d-

q	Fitting location for left-hand drive models:

q	Fitting location for right-hand drive models:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

12 -

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

13 -

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

14 -

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

AUDI A3 2014 Overview of coupling stations (4-door models) Overview of coupling stations (4-door models)   Note t  Overview of coupling stations (3-door) t  Overview of coupling stations (5-door) t  Overview of coupling stations (Cabriolet)

1 -	Coupling station for engine pre-wiring

q	Connectors: -T10c-, -T14-

q	Fitting location:

q	Fitting location for right-hand drive models:

4 -	Seat wiring coupling station, right

q	Connectors: -T3h-, -T5a-, -T6j-, -T10e-

q	Fitting location:

7 -	Coupling station for rear bumper

q	Connectors: -T8z-, -T10f-

q	Fitting location:

9 -	Seat wiring coupling station, left

q	Connectors: -T3g-, -T5-, -T6i-, -T10d-

q	Fitting location:

11 -	Coupling station on left A-pillar

q	Connectors, left-hand drive -T17-, -T17a-, -T17b-, -T17c-, -T17d-

q	Connectors, right-hand drive -T10a-, -T17-, -T17a-, -T17b-, -T17c-, -T17d-

q	Fitting location for left-hand drive models:

q	Fitting location for right-hand drive models:

AUDI A3 2014 Overview of coupling stations (5-door models) Overview of coupling stations (5-door models)   Note t  Overview of coupling stations (3-door) t  Overview of coupling stations (4-door) t  Overview of coupling stations (Cabriolet)

1 -	Coupling station for engine pre-wiring

q	Connectors: -T10c-, -T14-

q	Fitting location:

q	Fitting location for right-hand drive models:

4 -	Seat wiring coupling station, right

q	Connectors: -T3h-, -T5a-, -T6j-, -T10e-

q	Fitting location:

6 -

q	Fitting location:

7 -	Rear right coupling station, rear lid

q	Connectors: -T2l-, -T2k-, -T2ah-, -T2es-

q	Fitting location:

8 -	Coupling station for rear bumper

q	Connectors: -T8z-, -T10f-

q	Fitting location:

9 -	Coupling station, rear left side of rear lid

q	Connectors: -T2m-, -T17f-

q	Fitting location:

10 -

q	Fitting location:

11 -	Seat wiring coupling station, left

q	Connectors: -T3g-, -T5-, -T6i-, -T10d-

q	Fitting location:

13 -	Coupling station on left A-pillar

q	Connectors, left-hand drive -T17-, -T17a-, -T17b-, -T17c-, -T17d-

q	Connectors, right-hand drive -T10a-, -T17-, -T17a-, -T17b-, -T17c-, -T17d-

q	Fitting location for left-hand drive models:

q	Fitting location for right-hand drive models:

AUDI A3 2014 Overview of coupling stations (Cabriolet) Overview of coupling stations (Cabriolet)   Note t  Overview of coupling stations (3-door) t  Overview of coupling stations (4-door) t  Overview of coupling stations (5-door)

1 -	Coupling station for engine pre-wiring

q	Connectors: -T10c-, -T14-

q	Fitting location:

q	Fitting location for right-hand drive models:

Seat wiring coupling station, right

q	Connectors: -T3h-, -T5a-, -T6j-, -T10e-, -T10r-

q	Fitting location:

5 -	Coupling station for rear bumper

q	Connectors: -T8z-, -T10f-

q	Fitting location:

6 -

Seat wiring coupling station, left

q	Connectors: -T3g-, -T5-, -T6i-, -T10d-, -T10q-

q	Fitting location:

9 -	Coupling station on left A-pillar

q	Connectors, left-hand drive -T17-, -T17a-, -T17b-, -T17c-, -T17d-

q	Connectors, right-hand drive -T10a-, -T17-, -T17a-, -T17b-, -T17c-, -T17d-

q	Fitting location for left-hand drive models:

q	Fitting location for right-hand drive models:

AUDI A3 2014 Right coupling station for door wiring harness Right coupling station for door wiring harness Fitting location: on right A-pillar.

A -	27-pin connector -T27a-, black

AUDI A3 2014 Seat wiring coupling station, right Seat wiring coupling station, right Fitting location: Under the seat.

1 -	10-pin connector -T10e-, red

2 -	6-pin, connector -T6j-, green

3 -	3-pin connector -T3h-, yellow

4 -	5-pin connector -T5a-, black

AUDI A3 2014 Rear right coupling station, rear lid Rear right coupling station, rear lid Fitting location: On rear right pillar.

1 -	2-pin connector -T2l-, white

2 -	2-pin connector -T2k-

3 -	2-pin connector -T2ah-, black

4 -	2-pin connector -T2es-, black

AUDI A3 2014 Coupling station for rear bumper Coupling station for rear bumper Fitting location: in bumper.

1 -	8-pin connector -T8z-, black

2 -	10-pin connector -T10f-, black

AUDI A3 2014 Coupling station, rear left side of rear lid Coupling station, rear left side of rear lid Fitting location: On rear left pillar.

1 -	2-pin connector -T2m-, black

2 -	17-pin connector -T17f-, black

AUDI A3 2014 Seat wiring coupling station, left Seat wiring coupling station, left Fitting location: Under the seat.

1 -	10-pin connector -T10d-, red

2 -	6-pin, connector -T6i-, green

3 -	3-pin connector -T3g-, yellow

4 -	5-pin connector -T5-, black

AUDI A3 2014 Door wiring harness coupling station, left Door wiring harness coupling station, left Fitting location: on left A-pillar.

A -	27-pin connector -T27-, black

AUDI A3 2014 Coupling station for engine pre-wiring Coupling station for engine pre-wiring Fitting location: In engine compartment, front left.

1 -	10-pin connector -T10c-, black

q	for models with diesel engines only

2 -	14-pin connector -T14-, grey

AUDI A3 2014 Coupling station for front bumper Coupling station for front bumper Fitting location: in bumper.

1 -	6-pin, connector -T6h-, black

q	only for models without parking aid, with pedestrian protection

1 -	8-pin connector -T8v-, black

q	only for models with parking aid, without pedestrian protection

1 -	14-pin connector -T14a-, black

q	only for models with parking aid and pedestrian protection

AUDI A3 2014 Coupling station, alternator Coupling station, alternator Fitting location: In engine compartment, front left.

1 -	8-pin connector -T8-, black

q	Depending on equipment

1 -	4-pin connector -T4f-, black

q	Depending on equipment

1 -	10-pin connector -T10p-, black

q	Depending on equipment

AUDI A3 2014 Coupling station on left A-pillar, left-hand drive model Coupling station on left A-pillar, left-hand drive model Fitting location: on left A-pillar.

1 -	17-pin connector -T17d-, green

2 -	17-pin connector -T17a-, black

3 -	17-pin connector -T17c-, red

4 -	17-pin connector -T17b-, brown

5 -	17-pin connector -T17-, blue

AUDI A3 2014 Coupling station on left A-pillar, right-hand drive model Coupling station on left A-pillar, right-hand drive model Fitting location: on left A-pillar.

1 -	17-pin connector -T17d-, green

2 -	17-pin connector -T17a-, black

3 -	17-pin connector -T17c-, red

4 -	17-pin connector -T17b-, brown

5 -	17-pin connector -T17-, blue

6 -	10-pin connector -T10a-, white

AUDI A3 2014 Coupling station on right A-pillar, left-hand drive model Coupling station on right A-pillar, left-hand drive model Fitting location: on right A-pillar.

1 -	10-pin connector -T10a-, white

AUDI A3 2014 Coupling station for radiator fan Coupling station for radiator fan Fitting location: in left of engine compartment.

1 -	4-pin connector -T4g-, black

AUDI A3 2014 Coupling station for roof wiring harness Coupling station for roof wiring harness Fitting location: near front roof module.

1 -	6-pin, connector -T6ab-, black

AUDI A3 2014 Rear left coupling station for door wiring harness Rear left coupling station for door wiring harness Fitting location: on left B-pillar.

A -	27-pin connector -T27b-, black

AUDI A3 2014 Rear right coupling station for door wiring harness Rear right coupling station for door wiring harness Fitting location: on right B-pillar.

A -	27-pin connector -T27c-, black

AUDI A3 2014 Seat wiring coupling station, right Seat wiring coupling station, right Fitting location: Under the seat.

1 -	5-pin connector -T5a-, black

2 -	3-pin connector -T3h-, yellow

3 -	6-pin, connector -T6j-, green

4 -	10-pin connector -T10e-, red

5 -	10-pin connector -T10r-, black

AUDI A3 2014 Coupling station, rear left side of luggage compartment lid Coupling station, rear left side of luggage compartment lid Fitting location: behind left side trim in luggage compartment.

1 -	12-pin connector -T12j-, black

2 -	2-pin connector -T2fq-

3 -	12-pin connector -T12i-, black

AUDI A3 2014 Seat wiring coupling station, left Seat wiring coupling station, left Fitting location: Under the seat.

1 -	5-pin connector -T5-, black

2 -	3-pin connector -T3g-, yellow

3 -	6-pin, connector -T6i-, green

4 -	10-pin connector -T10d-, red

5 -	10-pin connector -T10q-, black

AUDI A3 2014 Overview of earth points (3-door)

Overview of earth points (3-door)

t	Overview of earth points (4-door)

t	Overview of earth points (5-door)

t	Overview of earth points (Cabriolet)

   

12	Earth point on left in engine compartment

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

57	Earth point, left rear pillar

q	Fitting location:

q	Overview (5-door):

62	Earth point, right C-pillar

q	Fitting location:

q	Overview (5-door):

75	Earth point, rear right pillar

q	Fitting location:

q	Overview (5-door):

612	Earth point at centre on rear lid

q	Fitting location:

q	Overview (5-door):

638	Earth point on right A-pillar

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

639	Earth point on left A-pillar

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

656	Earth point, on right headlight

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

671	Earth point 1 on front left longitudinal member

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

672	Earth point 2 on front left longitudinal member

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

684	Earth point on front of left side member

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

685	Earth point 1 on front right longitudinal member

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

687	Earth point 1 on centre tunnel

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

751	Earth point 2 on right A-pillar

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

AUDI A3 2014 Overview of earth points (4-door) Overview of earth points (4-door)   Note t  Overview of earth points (3-door) t  Overview of earth points (5-door) t  Overview of earth points (Cabriolet)

12	Earth point on left in engine compartment

q	Fitting location:

41	Earth point, under rear shelf

q	Fitting location:

50	Earth point on left in luggage compartment

q	Fitting location:

q	Overview (Cabriolet):

51	Earth point on right in luggage compartment

q	Fitting location:

q	Overview (Cabriolet):

638	Earth point on right A-pillar

q	Fitting location:

639	Earth point on left A-pillar

q	Fitting location:

654	Earth point on right D-pillar

q	Fitting location:

656	Earth point, on right headlight

q	Fitting location:

671	Earth point 1 on front left longitudinal member

q	Fitting location:

672	Earth point 2 on front left longitudinal member

q	Fitting location:

684	Earth point on front of left side member

q	Fitting location:

685	Earth point 1 on front right longitudinal member

q	Fitting location:

687	Earth point 1 on centre tunnel

q	Fitting location:

751	Earth point 2 on right A-pillar

q	Fitting location:

AUDI A3 2014 Overview of earth points (5-door) Overview of earth points (5-door)   Note t  Overview of earth points (3-door) t  Overview of earth points (4-door) t  Overview of earth points (Cabriolet)

12	Earth point on left in engine compartment

q	Fitting location:

57	Earth point, left rear pillar

q	Fitting location:

62	Earth point, right C-pillar

q	Fitting location:

75	Earth point, rear right pillar

q	Fitting location:

612	Earth point at centre on rear lid

q	Fitting location:

638	Earth point on right A-pillar

q	Fitting location:

639	Earth point on left A-pillar

q	Fitting location:

656	Earth point, on right headlight

q	Fitting location:

671	Earth point 1 on front left longitudinal member

q	Fitting location:

672	Earth point 2 on front left longitudinal member

q	Fitting location:

673	Earth point 3 on front left longitudinal member

q	Fitting location:

q	For models with hybrid drive only

684	Earth point on front of left side member

q	Fitting location:

685	Earth point 1 on front right longitudinal member

q	Fitting location:

687	Earth point 1 on centre tunnel

q	Fitting location:

751	Earth point 2 on right A-pillar

q	Fitting location:

AUDI A3 2014 Overview of earth points (Cabriolet) Overview of earth points (Cabriolet)   Note t  Overview of earth points (3-door) t  Overview of earth points (4-door) t  Overview of earth points (5-door)

12	Earth point on left in engine compartment

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:

638	Earth point on right A-pillar

q	Fitting location:

639	Earth point on left A-pillar

q	Fitting location:

656	Earth point, on right headlight

q	Fitting location:

671	Earth point 1 on front left longitudinal member

q	Fitting location:

672	Earth point 2 on front left longitudinal member

q	Fitting location:

675	Earth point 2 on right in luggage compartment

q	Fitting location:

676	Earth point 2 on left in luggage compartment

q	Fitting location:

684	Earth point on front of left side member

q	Fitting location:

685	Earth point 1 on front right longitudinal member

q	Fitting location:

687	Earth point 1 on centre tunnel

q	Fitting location:

729	Earth point, on rear left wheel housing

q	Fitting location:

751	Earth point 2 on right A-pillar

q	Fitting location:

                   

638	Earth point on right A-pillar -arrow B-

Fitting location:

on right A-pillar, behind trim.

Torque:

9 Nm

               

639	Earth point on left A-pillar -arrow B-

Fitting location:

On left A-pillar, behind the trim.

Torque:

9 Nm

                                       

673	Earth point 3 on front left longitudinal member

Fitting location:

in engine compartment, at front of left longitudinal member.

AUDI A3 2014 Overview of relays (3-door)

Overview of relays (3-door)

t	Overview of relays (4-door)

t	Overview of relays (5-door)

t	Overview of relays (Cabriolet)

   

1 -

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

2 -

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

AUDI A3 2014 Overview of relays (4-door) Overview of relays (4-door)   Note t  Overview of relays (3-door) t  Overview of relays (5-door) t  Overview of relays (Cabriolet)

AUDI A3 2014 Overview of relays (5-door) Overview of relays (5-door)   Note t  Overview of relays (3-door) t  Overview of relays (4-door) t  Overview of relays (Cabriolet)

Relay carrier on E-box

q	in left of engine compartment.

q	Components: -J16-, -J32-, -J120-, -J179-, -J271-, -J299-, -J317-, -J359-, -J360-, -J413-, -J757-, -J906-, -J907-, -J908-

q	Relay slot assignment, without hybrid drive:

q	Relay slot assignment, with hybrid drive:

q	Relay slot assignment, with RS3:

AUDI A3 2014 Overview of relays (Cabriolet) Overview of relays (Cabriolet)   Note t  Overview of relays (3-door) t  Overview of relays (4-door) t  Overview of relays (5-door)

3 -

q	Relay slot assignment, right-hand drive models:

AUDI A3 2014 Relay locations on E-box, without hybrid drive

Relay locations on E-box, without hybrid drive

1 -	Automatic glow period control unit -J179-

q

Slot A6

2 -	Low heat output relay -J359-

q

Slot A7

3 -

Vacant

q

Slot A10

4 -	Starter relay 2 -J907-

q

Slot A2

5 -	Starter relay 1 -J906-

q

Slot A1

6 -	Horn relay -J413-

q

Slot A3

7 -	High heat output relay -J360-

q

Slot A4

7 -	Secondary air pump relay -J299-

q

Slot A4

8 -	Main relay -J271-

q

Slot A5

q	for models with petrol engines only

8 -	Terminal 30 voltage supply relay -J317-

q

Slot A5

q	for models with diesel engines only

9 -	Engine component current supply relay -J757-

q

Slot A8

9 -	Relay for gas shut-off valves -J908-

q

Slot A8

q	for models with engine code CPWA only

10 -	Current supply relay -J16-

q

Slot A9

AUDI A3 2014 Relay locations on E-box, with hybrid drive

Relay locations on E-box, with hybrid drive

1 -

Vacant

q

Slot A7

2 -

Vacant

q

Slot A2

3 -

Vacant

q

Slot A1

4 -	Horn relay -J413-

q

Slot A3

5 -	Secondary air pump relay -J299-

q

Slot A4

6 -	Main relay -J271-

q

Slot A5

7 -	Air conditioning system relay -J32-

q

Slot A8

8 -	Current supply relay -J16-

q

Slot A9

9 -

Vacant

q

Slot A10

10 -	Coolant shortage indicator control unit -J120-

q

Slot A6

AUDI A3 2014 Relay locations on E-box, with RS3

Relay locations on E-box, with RS3

1 -

Vacant

q

Slot A7

2 -	Starter relay 2 -J907-

q

Slot A2

3 -	Starter relay 1 -J906-

q

Slot A1

4 -	Horn relay -J413-

q

Slot A3

5 -

Vacant

q

Slot A4

6 -	Main relay -J271-

q

Slot A5

7 -	Auxiliary coolant pump relay -J496-

q

Slot A8

8 -	Engine component current supply relay -J757-

q

Slot A11

9 -

Vacant

q

Slot A6

AUDI A3 2014 Relay slot assignment under left dash panel

Relay slot assignment under left dash panel

1 -	Reducing agent metering system relay -J963-

q

Slot B1

2 -	Seat belt tensioner relay -J669-

q

Slot B2

q	up to April 2013

3 -

Vacant

q

Slot B3

4 -	Relay for power sockets -J807-

q

Slot B6

5 -	Heated rear window relay -J9-

q

Slot B5

6 -	Terminal 15 voltage supply relay -J329-

q

Slot B4

AUDI A3 2014 Relay slot assignment on additional relay carrier, left-hand drive models

Relay slot assignment on additional relay carrier, left-hand drive models

1 -	Headspace heating relay -J989-

AUDI A3 2014 Relay slot assignment on additional relay carrier, right-hand drive models

Relay slot assignment on additional relay carrier, right-hand drive models

1 -	Headspace heating relay -J989-

AUDI A3 2014 Overview of control units in interior of vehicle (3-door models)

Overview of control units in interior of vehicle (3-door models)

t	Overview of control units (4-door)

t	Overview of control units (5-door)

t	Overview of control units (Cabriolet)

   

q	Fitting location and connectors (MMI with radio):

q	Fitting location and connectors (MMI high):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Fitting location and connectors (MMI):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Fitting location and connectors for diesel engines:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

AUDI A3 2014 Overview of control units in interior of vehicle (4-door models) Overview of control units in interior of vehicle (4-door models)   Note: t  Overview of control units (3-door) → chapter t  Overview of control units (5-door) t  Overview of control units (Cabriolet)

q	Fitting location and connectors (MMI with radio):

q	Fitting location and connectors (MMI high):

q	Fitting location and connectors (MMI):

q	Overview (5-door):

q	Overview (5-door):

q	Fitting location and connectors for diesel engines:

q	Fitting location and connectors:

AUDI A3 2014 Overview of control units in interior of vehicle (5-door models) Overview of control units in interior of vehicle (5-door models)   Note: t  Overview of control units (3-door) → chapter t  Overview of control units (4-door) t  Overview of control units (Cabriolet)

q	Fitting location and connectors (MMI with radio):

q	Fitting location and connectors (MMI high):

q	Fitting location and connectors (MMI):

q	Fitting location and connectors for diesel engines:

q	Fitting location and connectors:

AUDI A3 2014 Overview of control units in interior of vehicle (Cabriolet) Overview of control units in interior of vehicle (Cabriolet)   Note: t  Overview of control units (3-door) → chapter t  Overview of control units (4-door) t  Overview of control units (5-door)

q	Fitting location and connectors (MMI with radio):

q	Fitting location and connectors (MMI high):

q	Fitting location and connectors (MMI):

q	Fitting location and connectors for diesel engines:

15 -	Entry and start authorisation control unit -J518-

q	Fitting location and connectors:

AUDI A3 2014 Overview of control units in rear part of vehicle (3-door) Overview of control units in rear part of vehicle (3-door)   Note: t  Overview of control units (4-door) t  Overview of control units (5-door) t  Overview of additional control units and components (5-door, with hybrid drive) t  Overview of control units (Cabriolet)

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

AUDI A3 2014 Overview of control units in rear part of vehicle (4-door) Overview of control units in rear part of vehicle (4-door)   Note: t  Overview of control units (3-door) t  Overview of control units (5-door) t  Overview of additional control units and components (5-door, with hybrid drive) t  Overview of control units (Cabriolet)

q	Overview (5-door):

AUDI A3 2014 Overview of control units in rear part of vehicle (5-door) Overview of control units in rear part of vehicle (5-door)   Note: t  Overview of control units (3-door) t  Overview of control units (4-door) t  Overview of additional control units and components (5-door, with hybrid drive) t  Overview of control units (Cabriolet)

AUDI A3 2014 Overview of additional control units in rear part of vehicle (5-door, with hybrid drive) Overview of additional control units in rear part of vehicle (5-door, with hybrid drive)   Note: t  Overview of control units (3-door) t  Overview of control units (4-door) t  Overview of control units (5-door) t  Overview of control units (Cabriolet)

2 -	Battery monitoring control unit -J367-

q	Fitting location and connectors:

AUDI A3 2014 Overview of control units in rear part of vehicle (Cabriolet) Overview of control units in rear part of vehicle (Cabriolet)   Note: t  Overview of control units (3-door) t  Overview of control units (4-door) t  Overview of control units (5-door) t  Overview of additional control units and components (5-door, with hybrid drive)

AUDI A3 2014 Electronically controlled damping control unit J250 Electronically controlled damping control unit -J250- Fitting location: Under front passenger seat.

A -	Electronically controlled damping control unit -J250-

A1 -	47-pin connector -T47a-, black

AUDI A3 2014 Digital sound package control unit J525 Digital sound package control unit -J525- Fitting location: under driver seat.

A -	Digital sound package control unit -J525-

A1 -	38-pin connector, black

A2 -	2-pin connector, black

AUDI A3 2014 Reversing camera system control unit J772 (3 and 5-door) Reversing camera system control unit -J772- (3 and 5-door) Fitting location: behind right side trim in luggage compartment.

A -	Reversing camera system control unit -J772-

A1 -	20-pin connector -T20i-, black

A2 -	2-pin connector -T2df-, green

A3 -	2-pin connector -T2ep-, grey

A4 -

Vacant

AUDI A3 2014 Fuel pump control unit J538 (petrol engines) Fuel pump control unit -J538- (petrol engines) Fitting location: under rear seat bench

A -	Fuel pump control unit -J538-

A1 -	5-pin connector -T5c-, black

AUDI A3 2014 Fuel pump control unit J538 (diesel engines) Fuel pump control unit -J538- (diesel engines) Fitting location: under rear seat bench

A -	Fuel pump control unit -J538-

A1 -	6-pin, connector -T6e-, black

AUDI A3 2014 Aerial amplifier for mobile telephone R86 (3 and 5-door) Aerial amplifier for mobile telephone -R86- (3 and 5-door) Fitting location: behind right side trim in luggage compartment.

A -	Aerial amplifier for mobile telephone -R86-

A1 -	4-pin connector -T4y-, black

A2 -	2-pin connector -T2am-, violet

A3 -	2-pin connector -T2al-, black

AUDI A3 2014 Remote control receiver for auxiliary heater R64 (3 and 5-door) Remote control receiver for auxiliary heater -R64- (3 and 5-door) Fitting location: behind right side trim in luggage compartment.

A -	Remote control receiver for auxiliary heater -R64-

A1 -	6-pin, connector -T6s-, blue

A2 -	2-pin connector

AUDI A3 2014 Control unit in dash panel insert J285 Control unit in dash panel insert -J285- Fitting location: in the dash panel.

A -	Control unit in dash panel insert -J285-

A1 -	18-pin connector -T18-, black

AUDI A3 2014 Trailer detector control unit J345 (3 and 5-door) Trailer detector control unit -J345- (3 and 5-door) Fitting location: behind left side trim in luggage compartment.

A -	Trailer detector control unit -J345-

A1 -	16-pin connector -T16l-, black

A2 -	12-pin connector -T12b-, red

AUDI A3 2014 Electronic steering column lock control unit J764 Electronic steering column lock control unit -J764- Fitting location: On steering column.

A -	Electronic steering column lock control unit -J764-

A1 -	16-pin connector -T16g-, black

AUDI A3 2014 Lane change assist control unit 2 J770 Lane change assist control unit 2 -J770- Fitting location: in rear bumper on left.

A -	Lane change assist control unit 2 -J770-

A1 -	12-pin connector -T12h-, black

AUDI A3 2014 Lane change assist control unit J769 Lane change assist control unit -J769- Fitting location: in rear bumper on right.

A -	Lane change assist control unit -J769-

A1 -	12-pin connector -T12g-, black

AUDI A3 2014 Entry and start authorisation control unit J518 Entry and start authorisation control unit -J518- Fitting location: below the dash panel.

A -	Entry and start authorisation control unit -J518-

A1 -	32-pin connector -T32a-, blue

AUDI A3 2014 Air conditioning system control unit J301 Air conditioning system control unit -J301- Fitting location: in centre of dash panel

A -	Air conditioning system control unit -J301-

A1 -	16-pin connector -T16o-

A2 -	20-pin connector -T20f-, black

AUDI A3 2014 Climatronic control unit J255 Climatronic control unit -J255- Fitting location: in centre of dash panel

A -	Climatronic control unit -J255-

A1 -	16-pin connector -T16d-

A2 -	16-pin connector -T16c-

A3 -	20-pin connector -T20b-, black

AUDI A3 2014 Onboard supply control unit J519 Onboard supply control unit -J519- Fitting location: Behind the dash panel, left.

A -	Onboard supply control unit -J519-

A1 -	73-pin connector -T73a-, black

A2 -	46-pin connector -T46b-, black

A3 -	73-pin connector -T73c-, black

AUDI A3 2014 Data bus diagnostic interface J533 Data bus diagnostic interface -J533- Fitting location: below the dash panel.

A -	Data bus diagnostic interface -J533-

A1 -	20-pin connector -T20a-, red

AUDI A3 2014 Airbag control unit J234 Airbag control unit -J234- Fitting location: behind centre console.

A -	Airbag control unit -J234-

A1 -	90-pin connector -T90-, yellow

AUDI A3 2014 Parking aid control unit J446 / park assist steering control unit J791 Parking aid control unit -J446-/ park assist steering control unit -J791- Fitting location: Behind the dash panel, left.

A -	Parking aid control unit -J446-/ park assist steering control unit -J791-

A1 -	26-pin connector -T26c-, black

A2 -	18-pin connector -T18a-, black

AUDI A3 2014 Driver door control unit J386 Driver door control unit -J386- Fitting location: In driver door.

A -	Driver door control unit -J386-

A1 -	6-pin connector -T6f-

A2 -	20-pin connector -T20c-

A3 -	16-pin connector -T16e-

A4 -	32-pin connector -T32b-, blue

AUDI A3 2014 Front passenger door control unit J387 Front passenger door control unit -J387- Fitting location: In front passenger door.

A -	Front passenger door control unit -J387-

A1 -	6-pin connector -T6g-

A2 -	20-pin connector -T20d-

A3 -	16-pin connector -T16f-

A4 -	32-pin connector -T32c-, blue

AUDI A3 2014 Steering column electronics control unit J527 Steering column electronics control unit -J527- Fitting location: On steering column.

A -	Steering column electronics control unit -J527-

A1 -	4-pin connector -T4-, yellow

A2 -	16-pin connector -T16a-, black

AUDI A3 2014 Headlight range control unit J431 / control unit for cornering light and headlight range control J745 Headlight range control unit -J431-/ control unit for cornering light and headlight range control -J745- Fitting location: Behind the dash panel, left.

A -	Headlight range control unit -J431-

A1 -	26-pin connector -T26a-, red

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

B1 -	26-pin connector -T26b-, black

AUDI A3 2014 CAN bus control unit J916 CAN bus control unit -J916- Fitting location: Behind the dash panel, left.

A -	CAN bus control unit -J916-

A1 -	9-pin connector -T9-

AUDI A3 2014 Special purpose vehicle control unit J608 (3 and 5-door) Special purpose vehicle control unit -J608- (3 and 5-door) Fitting location: behind right side trim in luggage compartment.

A -	Special purpose vehicle control unit -J608-

A1 -	16-pin connector -T16h-, brown

A2 -	20-pin connector -T20l-, red

A3 -

Vacant

A4 -	16-pin connector -T16b-, black

A5 -	12-pin connector -T12d-, black

AUDI A3 2014 Rear driver side door control unit J926 Rear driver side door control unit -J926- Fitting location: in rear left door.

A -	Rear driver side door control unit -J926-

A1 -	6-pin connector -T6al-

A2 -	20-pin connector -T20j-

A3 -	16-pin connector -T16i-

AUDI A3 2014 Rear passenger side door control unit J927 Rear passenger side door control unit -J927- Fitting location: in rear right door.

A -	Rear passenger side door control unit -J927-

A1 -	6-pin connector -T6am-

A2 -	20-pin connector -T20k-

A3 -	16-pin connector -T16j-

AUDI A3 2014 Aerial amplifier for mobile telephone R86 (4-door) Aerial amplifier for mobile telephone -R86- (4-door) Fitting location: behind right side trim in luggage compartment.

A -	Aerial amplifier for mobile telephone -R86-

A1 -	2-pin connector -T2am-, violet

A2 -	4-pin connector -T4y-, black

A3 -	2-pin connector -T2al-, black

AUDI A3 2014 Reversing camera system control unit J772 (4-door) Reversing camera system control unit -J772- (4-door) Fitting location: behind right side trim in luggage compartment.

A -	Reversing camera system control unit -J772-

A1 -	20-pin connector -T20i-, black

A2 -	2-pin connector -T2df-, green

A3 -	2-pin connector -T2ep-, grey

A4 -

Vacant

AUDI A3 2014 Remote control receiver for auxiliary heater R64 (4-door) Remote control receiver for auxiliary heater -R64- (4-door) Fitting location: behind right side trim in luggage compartment.

A -	Remote control receiver for auxiliary heater -R64-

A1 -	6-pin, connector -T6s-, blue

A2 -	2-pin connector

AUDI A3 2014 Trailer detector control unit J345 (4-door) Trailer detector control unit -J345- (4-door) Fitting location: behind left side trim in luggage compartment.

A -	Trailer detector control unit -J345-

A1 -	16-pin connector -T16l-, black

A2 -	12-pin connector -T12b-, red

AUDI A3 2014 Special purpose vehicle control unit J608 (4-door) Special purpose vehicle control unit -J608- (4-door) Fitting location: behind right side trim in luggage compartment.

A -	Special purpose vehicle control unit -J608-

A1 -	16-pin connector -T16h-, brown

A2 -	20-pin connector -T20l-, black

A3 -

Vacant

A4 -	16-pin connector -T16b-, black

A5 -	12-pin connector -T12d-, black

AUDI A3 2014 Special purpose vehicle control unit J608 (Cabriolet) Special purpose vehicle control unit -J608- (Cabriolet) Fitting location: behind left side trim in luggage compartment.

1 -	Special purpose vehicle control unit -J608-

A -	12-pin connector -T12d-, black

B -	16-pin connector -T16b-, black

D -	20-pin connector -T20l-, red

E -	16-pin connector -T16h-, brown

AUDI A3 2014 Aerial amplifier for mobile telephone R86 (Cabriolet) Aerial amplifier for mobile telephone -R86- (Cabriolet) Fitting location: behind right side trim in luggage compartment.

A -	Aerial amplifier for mobile telephone -R86-

A1 -	4-pin connector -T4y-, black

A2 -	2-pin connector -T2am-, violet

A3 -	2-pin connector -T2al-, black

AUDI A3 2014 Trailer detector control unit J345 (Cabriolet) Trailer detector control unit -J345- (Cabriolet) Fitting location: behind left side trim in luggage compartment.

A -	Trailer detector control unit -J345-

A1 -	16-pin connector -T16l-, black

A2 -	12-pin connector -T12b-, red

AUDI A3 2014 Driver door control unit J386 (Cabriolet) Driver door control unit -J386- (Cabriolet) Fitting location: In driver door.

A -	Driver door control unit -J386-

A1 -	6-pin connector -T6f-

A2 -	20-pin connector -T20c-

A3 -	16-pin connector -T16e-

A4 -	32-pin connector -T32b-, blue

AUDI A3 2014 Front passenger door control unit J387 (Cabriolet) Front passenger door control unit -J387- (Cabriolet) Fitting location: In front passenger door.

A -	Front passenger door control unit -J387-

A1 -	6-pin connector -T6g-

A2 -	20-pin connector -T20d-

A3 -	16-pin connector -T16f-

A4 -	32-pin connector -T32c-, blue

AUDI A3 2014 Convertible roof actuation control unit J256 Convertible roof actuation control unit -J256- Fitting location: behind left side trim in luggage compartment.

A -	Convertible roof actuation control unit -J256-

A1 -	16-pin connector -T16q-, brown

A2 -	20-pin connector -T20m-, black

A3 -	10-pin connector -T10aa-, black

AUDI A3 2014 Reversing camera system control unit J772 (Cabriolet) Reversing camera system control unit -J772- (Cabriolet) Fitting location: behind left side trim in luggage compartment.

A -	Reversing camera system control unit -J772-

A1 -	20-pin connector -T20i-, black

A2 -	2-pin connector -T2df-, green

A3 -	2-pin connector -T2ep-

A4 -

Vacant

AUDI A3 2014 Interior mirror EX5 Interior mirror -EX5- Fitting location: at front of roof side member.

A -	Interior mirror -EX5-

A1 -	8-pin connector -T8a-, black

A2 -	3-pin connector -T3f-, black

AUDI A3 2014 All-wheel drive control unit J492 All-wheel drive control unit -J492- Fitting location: on rear axle differential.

A -	All-wheel drive control unit -J492-

A1 -	2-pin connector -T2ax-

A2 -	8-pin connector -T8y-, black

AUDI A3 2014 Display unit for front information display and operating unit control unit J685 Display unit for front information display and operating unit control unit -J685- Fitting location: Dash panel - centre.

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

A1 -	8-pin connector -T8ai-, black

A2 -	4-pin connector -T4ao-, white

q	Only for MMI with radio

A2 -	4-pin connector -T4ao-, black

q	For MMI high only

AUDI A3 2014 Multimedia system operating unit E380 (MMI) Multimedia system operating unit -E380- (MMI) Fitting location: on centre console.

A -	Multimedia system operating unit -E380-

A1 -	20-pin connector -T20h-, red

AUDI A3 2014 Front camera for driver assist systems R242 Front camera for driver assist systems -R242- Fitting location: near interior mirror.

A -	Front camera for driver assist systems -R242-

A1 -	12-pin connector -T12ac-, black

AUDI A3 2014 Control unit for information electronics 1 J794 (MMI high) Control unit for information electronics 1 -J794- (MMI high) Fitting location: In glove compartment.

A -	Control unit for information electronics 1 -J794-

A1 -	Connector block, consisting of:

t	8-pin connector -T8ag- (plug A), brown

t	12-pin connector -T12x- (plug B), blue

t	12-pin connector -T12y- (plug C), green

t	8-pin connector -T8j- (plug D), black

t	12-pin connector -T12v- (plug E), grey

A2 -	2-pin connector -T2t-, black

A3 -	4-pin connector -T4al-, grey

A4 -	4-pin connector -T4w-, yellow

A5 -	4-pin connector -T4ar-, yellow

A6 -	2-pin connector -T2ew-

A7 -	4-pin connector -T4v-

A8 -	2-pin connector -T2ac-, blue

A9 -	Connector for models with LTE aerial 1 -R297- and LTE aerial 2 -R306-

t	4-pin connector -T4as-, violet

A9 -	Connector for models with telephone aerial -R65-

t	2-pin connector -T2af-, violet

A10 -

2-pin connector -T2ad-, black

q	Only for models without US equipment

A10 -

2-pin connector -T2ad-, brown

q	Only for models with US equipment

AUDI A3 2014 TV tuner R78 (5-door) TV tuner -R78- (5-door) Fitting location: behind right side trim in luggage compartment.

A -	TV tuner -R78-

A1 -	2-pin connector -T2ey-, brown

A2 -	4-pin connector -T4ab-, green

A3 -	2-pin connector -T2ev-, black

A4 -	12-pin connector -T12aa-, black

AUDI A3 2014 TV tuner R78 (4-door) TV tuner -R78- (4-door) Fitting location: behind right side trim in luggage compartment.

A -	TV tuner -R78-

A1 -	2-pin connector -T2ey-, brown

A2 -	4-pin connector -T4ab-, green

A3 -	2-pin connector -T2ev-, black

A4 -	12-pin connector -T12aa-, black

AUDI A3 2014 Sliding sunroof adjustment control unit J245 Sliding sunroof adjustment control unit -J245- Fitting location: On sliding sunroof motor.

A -	Sliding sunroof adjustment control unit -J245-

A1 -	10-pin connector -T10o-

AUDI A3 2014 Control unit for information electronics 1 J794 (Radio) Control unit for information electronics 1 -J794- (Radio) Fitting location: In glove compartment.

A -	Control unit for information electronics 1 -J794-

A1 -	Connector block, consisting of:

t	8-pin connector -T8ag- (plug A), brown

t	12-pin connector -T12x- (plug B), blue

t	12-pin connector -T12y- (plug C), green

t	8-pin connector -T8j- (plug D), black

t	12-pin connector -T12v- (plug E), grey

A2 -	4-pin connector -T4al- (if fitted)

A3 -	4-pin connector -T4v-

AUDI A3 2014 Multimedia system operating unit E380 (Radio) Multimedia system operating unit -E380- (Radio) Fitting location: Dash panel - centre.

A -	Multimedia system operating unit -E380-

A1 -	8-pin connector -T8k-, black

AUDI A3 2014 Control unit for information electronics 1 J794 (MMI with radio) Control unit for information electronics 1 -J794- (MMI with radio) Fitting location: In glove compartment.

A -	Control unit for information electronics 1 -J794-

A1 -	Connector block, consisting of:

t	8-pin connector -T8ag- (plug A), brown

t	12-pin connector -T12x- (plug B), blue

t	12-pin connector -T12y- (plug C), green

t	8-pin connector -T8j- (plug D), black

t	12-pin connector -T12v- (plug E), grey

A2 -	2-pin connector -T2t-, black

A3 -	2-pin connector -T2ac-, blue

A4 -	4-pin connector -T4w-, yellow

A5 -	4-pin connector -T4al-, violet

A6 -	2-pin connector -T2ad-

A7 -	4-pin connector -T4v-

AUDI A3 2014 Hybrid battery unit AX1 Hybrid battery unit -AX1- Fitting location: on underbody, near rear axle

1 -	Hybrid battery unit -AX1-

2 -	High-voltage wiring harness for high-voltage battery -PX1-

A -	14-pin connector -T14k-, black

AUDI A3 2014 Battery monitoring control unit J367 Battery monitoring control unit -J367- Fitting location: in luggage compartment, on earth cable battery terminal clamp.

1 -	Battery monitoring control unit -J367-

A -	2-pin connector -T2fk-, black

AUDI A3 2014 Emergency call module control unit and communication unit J949 Emergency call module control unit and communication unit -J949- Fitting location: Behind the control unit in dash panel insert -J285-.

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

A -	4-pin connector -T4bn-, violet

B -	26-pin connector -T26e-, black

AUDI A3 2014 Engine sound generator control unit J943 Engine sound generator control unit -J943- Fitting location: Under front passenger seat.

1 -	Engine sound generator control unit -J943-

A -	12-pin connector -T12l-, black

AUDI A3 2014 Entry and start authorisation control unit J518 Entry and start authorisation control unit -J518- Fitting location: behind glove compartment.

1 -	Entry and start authorisation control unit -J518-

A -	32-pin connector -T32a-, blue