AUDI A4 2016 – 3.0l diesel engine, CSWB . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A4 2016 - Battery - Starter - Alternator - Battery monitor control unit - Battery isolation igniter - Fuses in fuse holder

A	Battery
B	Starter
C	Alternator
C1	Voltage regulator
J234	Airbag control unit
J367	Battery monitor control unit
N253	Battery isolation igniter
S	Fuses in fuse holder
S163	Fuse 2 (30), in battery fuse holder
S164	Fuse 3 (30), in battery fuse holder
T1ma	Single connector, black
T2li	2-pin connector, black
T2mr	2-pin connector, black
T2mrx	2-pin connector, black
T2x	2-pin connector, black
T2y	2-pin connector, yellow
T96	96-pin connector, yellow
TMR	Coupling point in engine compartment, right
B272	Positive connection (30), in main wiring harness
B298	Positive connection 2 (30), in main wiring harness
B698	Connection 3 (LIN bus) in main wiring harness
*	Earth supply via housing

Wiring Diagram AUDI A4 2016 - Suppression filter - Radiator fan control unit - Fuse holder A - Relay and fuse carrier 3 - Jump start socket - Radiator fan

C24	Suppression filter
J293	Radiator fan control unit
J671	Radiator fan control unit 2
S216	Fuse (50)
SA	Fuse holder A
SA1	Fuse 1 in fuse holder A
SA2	Fuse 2 in fuse holder A
SR3	Relay and fuse carrier 3
SA3	Fuse 3 in fuse holder A
T2ko	2-pin connector, black
T4bi	4-pin connector, black
T4bk	4-pin connector, black
U6	Jump start socket
V7	Radiator fan
VX57	Radiator fan
V177	Radiator fan 2
*	Pre-wired component
*2	Only models with towing bracket
*3	Cross-section 6.0 possible

Wiring Diagram AUDI A4 2016 - Main relay - Starter relay 1 - Starter relay 2 - Relay and fuse carrier 1 - Fuse carrier 1 - Relay and fuse carrier 3

J271	Main relay
J906	Starter relay 1
J907	Starter relay 2
SR1	Relay and fuse carrier 1
ST1	Fuse carrier 1, brown
SR3	Relay and fuse carrier 3
SB4	Fuse 4 on fuse holder B
B299	Positive connection 3 (30), in main wiring harness

Wiring Diagram AUDI A4 2016 - Relay and fuse carrier 1 - Fuse carrier 1

SR1	Relay and fuse carrier 1
ST1	Fuse carrier 1, brown
SB5	Fuse 5 on fuse holder B
SB6	Fuse 6 on fuse holder B
SB7	Fuse 7 on fuse holder B
SB8	Fuse 8 on fuse holder B
SB10	Fuse 10 on fuse holder B
SB12	Fuse 12 on fuse holder B
SB13	Fuse 13 on fuse holder B
SB14	Fuse 14 on fuse holder B
SB15	Fuse 15 on fuse holder B
SB16	Fuse 16 on fuse holder B
B351	Positive connection 2 (87a) in main wiring harness
*	Only models with towing bracket

Wiring Diagram AUDI A4 2016 - Terminal 15 voltage supply relay - Relay and fuse carrier 1

J329	Terminal 15 voltage supply relay
SR1	Relay and fuse carrier 1
SB2	Fuse 2 on fuse holder B
ST2	Fuse carrier 2, red
ST4	Fuse carrier 4, black
ST5	Fuse carrier 5
SB5	Fuse 5 on fuse holder B
SB11	Fuse 11 on fuse holder B
367	Earth connection 2, in main wiring harness
B300	Positive connection 4 (30), in main wiring harness

Wiring Diagram AUDI A4 2016 - Automatic glow period control unit - Glow plug 1 - Glow plug 2 - Glow plug 3 - Glow plug 4 - Glow plug 5 - Glow plug 6

J179	Automatic glow period control unit
Q10	Glow plug 1
Q11	Glow plug 2
Q12	Glow plug 3
Q13	Glow plug 4
Q14	Glow plug 5
Q15	Glow plug 6
T11a	11-pin connector, black
T14a	14-pin connector, black
T14ax	14-pin connector, black
TML	Coupling point in engine compartment, left
385	Earth connection 20, in main wiring harness
B353	Positive connection 4 (87a) in main wiring harness
*	Earth supply via housing

Wiring Diagram AUDI A4 2016 - Air mass meter - Engine control unit - Left electrohydraulic engine mounting solenoid valve

G70	Air mass meter
J623	Engine control unit, in plenum chamber
N144	Left electrohydraulic engine mounting solenoid valve
N145	Right electrohydraulic engine mounting solenoid valve
T2cc	2-pin connector, colourless
T2cd	2-pin connector, colourless
T5b	5-pin connector, black
T14a	14-pin connector, black
T14ax	14-pin connector, black
T14c	14-pin connector, black
T14cx	14-pin connector, black
T56a	56-pin connector, black
T91	91-pin connector, black
TML	Coupling point in engine compartment, left
*	Only models with reducing agent metering system

Wiring Diagram AUDI A4 2016 - Engine control unit - Coolant circulation pump

J623	Engine control unit, in plenum chamber
T3j	3-pin connector, black
T14c	14-pin connector, black
T14cx	14-pin connector, black
T56b	56-pin connector, black
T91	91-pin connector, black
TML	Coupling point in engine compartment, left
V50	Coolant circulation pump
209	Earth connection 6, in engine compartment wiring harness
374	Earth connection 9, in main wiring harness
376	Earth connection 11, in main wiring harness
D183	Connection 4 (87a) in engine compartment wiring harness
*	Only models with towing bracket

Wiring Diagram AUDI A4 2016 - Coolant shortage indicator sender - Charge air temperature sender before charge air cooler - Onboard supply control unit - Engine control unit - Air conditioner compressor regulating valve

G32	Coolant shortage indicator sender
G810	Charge air temperature sender before charge air cooler
J217	Automatic gearbox control unit
J519	Onboard supply control unit
J623	Engine control unit, in plenum chamber
J743	Mechatronic unit for dual clutch gearbox
N280	Air conditioner compressor regulating valve
T2ad	2-pin connector, black
T2cw	2-pin connector, black
T3x	3-pin connector, black
T16a	16-pin connector, black
T23	23-pin connector, black
T56c	56-pin connector, black
T73a	73-pin connector, black
T91	91-pin connector, black
410	Earth connection 1 (sender earth) in main wiring harness
B281	Positive connection 5 (15a) in main wiring harness
*	Only models with automatic gearbox
*2	Only models with dual clutch gearbox (DSG)

Wiring Diagram AUDI A4 2016 - Accelerator pedal module - Oil level and oil temperature sender - Engine control unit

E45	Cruise control system switch
GX2	Accelerator pedal module
G79	Accelerator position sender
G185	Accelerator position sender 2
G266	Oil level and oil temperature sender
J527	Steering column electronics control unit
J623	Engine control unit, in plenum chamber
T3e	3-pin connector, black
T6k	6-pin connector, black
T17c	17-pin connector, yellow
T17h	17-pin connector, white
T17hx	17-pin connector, white
T56b	56-pin connector, black
T91	91-pin connector, black
TALU	Coupling point on left A-pillar, bottom
*	Only models with cruise control system (CCS)

Wiring Diagram AUDI A4 2016 - Engine control unit - Injector - cylinder 1 - Injector - cylinder 2 - Injector - cylinder 3 - Injector - cylinder 4 - Injector - cylinder 5 - Injector - cylinder 6 - Air filter bypass flap valve

J623	Engine control unit, in plenum chamber
N30	Injector, cylinder 1
N31	Injector, cylinder 2
N32	Injector, cylinder 3
N33	Injector, cylinder 4
N83	Injector, cylinder 5
N84	Injector, cylinder 6
N275	Air filter bypass flap valve
T2cf	2-pin connector, black
T2cg	2-pin connector, black
T2ch	2-pin connector, black
T2ci	2-pin connector, black
T2cj	2-pin connector, black
T2co	2-pin connector, black
T2cp	2-pin connector, black
T56c	56-pin connector, black
T91	91-pin connector, black

Wiring Diagram AUDI A4 2016 - Throttle valve module - Intake manifold flap control unit - Charge pressure sender - Engine control unit

GX3	Throttle valve module
GX14	Intake manifold flap control unit
G31	Charge pressure sender
G186	Throttle valve drive for electric throttle
J338	Throttle valve module
J623	Engine control unit, in plenum chamber
T3y	3-pin connector, black
T5y	5-pin connector, black
T5z	5-pin connector, black
T56a	56-pin connector, black
T56c	56-pin connector, black
T56d	56-pin connector, black
V157	Intake manifold flap motor

Wiring Diagram AUDI A4 2016 - Oil pressure sender - Fuel pressure sender - Fuel pressure sender for low-pressure - Engine control unit - Turbocharger 1 control unit

G10	Oil pressure sender
G247	Fuel pressure sender
G410	Fuel pressure sender for low-pressure
J623	Engine control unit, in plenum chamber
J724	Turbocharger 1 control unit
T3ao	3-pin connector, black
T3d	3-pin connector, black
T3g	3-pin connector, black
T5a	5-pin connector, black
T56b	56-pin connector, black
T56c	56-pin connector, black
T56d	56-pin connector, black

Wiring Diagram AUDI A4 2016 - Map-controlled engine cooling system thermostat - Exhaust gas recirculation valve 1 - Fuel temperature sender - Radiator outlet coolant temperature sender - Engine control unit - Fuel metering valve

F265	Map-controlled engine cooling system thermostat
GX5	Exhaust gas recirculation valve 1
G81	Fuel temperature sender
G83	Radiator outlet coolant temperature sender
G212	Exhaust gas recirculation potentiometer
J623	Engine control unit, in plenum chamber
N290	Fuel metering valve
T2aj	2-pin connector, black
T2ak	2-pin connector, black
T2al	2-pin connector, black
T2am	2-pin connector, black
T6m	6-pin connector, black
T6mx	6-pin connector, black
T6o	6-pin connector, grey
T10f	10-pin connector, black
T10fx	10-pin connector, black
T56b	56-pin connector, black
T56c	56-pin connector, black
TMM	Coupling point in engine compartment, centre
V338	Exhaust gas recirculation control motor

Wiring Diagram AUDI A4 2016 - Coolant temperature sender - Exhaust gas recirculation temperature sensor - Exhaust gas temperature sender 1 - Exhaust gas temperature sender 2 - Exhaust gas temperature sender 3 - Exhaust gas temperature sender 4 - Engine control unit - Valve for oil pressure control

G62	Coolant temperature sender
G98	Exhaust gas recirculation temperature sensor
G235	Exhaust gas temperature sender 1
G448	Exhaust gas temperature sender 2
G495	Exhaust gas temperature sender 3
G648	Exhaust gas temperature sender 4
J623	Engine control unit, in plenum chamber
N428	Valve for oil pressure control
T2ae	2-pin connector, light brown
T2af	2-pin connector, black
T2ag	2-pin connector, black
T2ah	2-pin connector, black
T2ai	2-pin connector, black
T2b	2-pin connector, black
T2j	2-pin connector, black
T6m	6-pin connector, black
T6mx	6-pin connector, black
T56a	56-pin connector, black
T56b	56-pin connector, black
T56c	56-pin connector, black
TMM	Coupling point in engine compartment, centre

Wiring Diagram AUDI A4 2016 - Catalytic converter temperature sensor 1 - Hall sender - Pressure differential sender - Oil temperature sender 2 - Temperature sender for engine temperature regulation - Exhaust gas temperature sender 5 - Engine control unit - Valve for oil pressure control

G20	Catalytic converter temperature sensor 1
G40	Hall sender
G505	Pressure differential sender
G664	Oil temperature sender 2
G694	Temperature sender for engine temperature regulation
G815	Exhaust gas temperature sender 5
J623	Engine control unit, in plenum chamber
N428	Valve for oil pressure control
T2an	2-pin connector, black
T2ao	2-pin connector, black
T2ap	2-pin connector, black
T2aq	2-pin connector, black
T2j	2-pin connector, black
T3b	3-pin connector, black
T3q	3-pin connector, black
T56a	56-pin connector, black
T56b	56-pin connector, black
T56d	56-pin connector, black
T91	91-pin connector, black
*	Only for American markets

Wiring Diagram AUDI A4 2016 - Brake light switch - Engine speed sender - Hall sender - Engine control unit - Fuel pressure regulating valve - Exhaust gas recirculation cooling bypass valve - Coolant valve for cylinder head

F	Brake light switch
G28	Engine speed sender
G40	Hall sender
J623	Engine control unit, in plenum chamber
N276	Fuel pressure regulating valve
N386	Exhaust gas recirculation cooling bypass valve
N489	Coolant valve for cylinder head
T2au	2-pin connector, black
T2ax	2-pin connector, black
T2g	2-pin connector, black
T3a	3-pin connector, black
T3b	3-pin connector, black
T4k	4-pin connector, black
T56a	56-pin connector, black
T56c	56-pin connector, black
T56d	56-pin connector, black
T91	91-pin connector, black
B335	Connection 1 (54), in main wiring harness
D109	Connection 7 in engine compartment wiring harness
D205	Connection 3 (87a) in engine prewiring harness
*	Only for American markets

Wiring Diagram AUDI A4 2016 - NOx sender - NOx sender 2 - Control unit for NOx sender - Engine control unit - Control unit for NOx sender 2

G295	NOx sender
G687	NOx sender 2
J583	Control unit for NOx sender
J623	Engine control unit, in plenum chamber
J881	Control unit for NOx sender 2
T5w	5-pin connector, black
T5x	5-pin connector, black
T91	91-pin connector, black
B229	Connection (high bus), in interior wiring harness
B230	Connection (low bus), in interior wiring harness
B352	Positive connection 3 (87a) in main wiring harness
B766	Connection 2 (high bus), in interior wiring harness
B767	Connection 2 (low bus), in interior wiring harness
*	Data bus wire (CAN bus)

Wiring Diagram AUDI A4 2016 - Particulate sensor - Data bus diagnostic interface - Engine control unit

G784	Particulate sensor
J104	ABS control unit
J533	Data bus diagnostic interface
J623	Engine control unit, in plenum chamber
T4s	4-pin connector, black
T46	46-pin connector, black
T54	54-pin connector, black
T91	91-pin connector, black
B229	Connection (high bus), in interior wiring harness
B230	Connection (low bus), in interior wiring harness
B352	Positive connection 3 (87a) in main wiring harness
*	Data bus wire (CAN bus)
*2	Data bus wire (FlexRay bus)

Wiring Diagram AUDI A4 2016 - Fuel delivery unit - Fuel system pressurisation pump - Fuel gauge sender 2 - Convenience system central control unit - Fuel pump control unit - Engine control unit

G	Fuel gauge sender
GX1	Fuel delivery unit
G6	Fuel system pressurisation pump
G169	Fuel gauge sender 2
J393	Convenience system central control unit
J538	Fuel pump control unit
J623	Engine control unit, in plenum chamber
T4sa	4-pin connector, black
T6bl	6-pin connector, black
T6ra	6-pin connector, black
T32c	32-pin connector, black
T32d	32-pin connector, blue
T91	91-pin connector, black
366	Earth connection 1, in main wiring harness
378	Earth connection 13, in main wiring harness
480	Earth connection, in fuel tank wiring harness
B729	Connection 1 (50), in main wiring harness
*	Only models with all-wheel drive

Wiring Diagram AUDI A4 2016 - Lambda probe 1 before catalytic converter - Lambda probe - Engine control unit - Control unit for reducing agent metering system - Injector for reducing agent

GX10	Lambda probe 1 before catalytic converter
G39	Lambda probe
J623	Engine control unit, in plenum chamber
J880	Control unit for reducing agent metering system
N474	Injector for reducing agent
SR2	Relay and fuse carrier 2
SF3	Fuse 3 in fuse holder F
ST5	Fuse carrier 5, red
SF11	Fuse 11 in fuse holder F
T2ce	2-pin connector, black
T4j	4-pin connector, black
T46a	46-pin connector, black
T56b	56-pin connector, black
Z19	Lambda probe heater
B301	Positive connection 5 (30), in main wiring harness
B302	Positive connection 6 (30), in main wiring harness
B304	Positive connection 8 (30), in main wiring harness
B670	Connection 3 (CAN bus extended high), in main wiring harness
B671	Connection 3 (CAN bus extended low), in main wiring harness
*	Pre-wired component
*2	Only models with reducing agent metering system

Wiring Diagram AUDI A4 2016 - Delivery unit for reducing agent metering system - Tank sender for reducing agent - Temperature sender for reducing agent - Pressure sender for reducing agent metering system - Control unit for reducing agent metering system - Heater for reducing agent line (heater circuit 2)

GX19	Delivery unit for reducing agent metering system
G684	Tank sender for reducing agent
G685	Temperature sender for reducing agent
G686	Pressure sender for reducing agent metering system
J880	Control unit for reducing agent metering system
T2ar	2-pin connector, black
T16s	16-pin connector, black
T46a	46-pin connector, black
Z104	Heater for reducing agent line (heater circuit 2)
*	Pre-wired component
*2	Only models with reducing agent metering system

Wiring Diagram AUDI A4 2016 - Delivery unit for reducing agent metering system - Reducing agent quality sensor - Control unit for reducing agent metering system - Pump for reducing agent - Heater for reducing agent tank (heater circuit 1) - Heater 2 for reducing agent tank (heater circuit 3)

GX19	Delivery unit for reducing agent metering system
G849	Reducing agent quality sensor
J880	Control unit for reducing agent metering system
T16s	16-pin connector, black
T46a	46-pin connector, black
V437	Pump for reducing agent
Z102	Heater for reducing agent tank (heater circuit 1)
Z167	Heater 2 for reducing agent tank (heater circuit 3)
*	Only models with reducing agent metering system

AUDI A4 2016 Overview of fuses

Overview of fuses

Relay and fuse carrier 2 -SR2-

t	Heated rear window fuse -S41-

t	Front passenger seat adjustment thermal fuse 1 -S46-

t	Automatic gearbox control unit fuse -S113-

q	Fitting location

q	Fuse assignment on Relay and fuse carrier 2 -SR2-

Main fuse carrier on battery -A-

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

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

t	Fuse 3 (30), in battery fuse holder -S164-

q	in luggage compartment

q	Fitting location and assignment

q	Fuse assignment on fuse holder C -SC-

Relay and fuse carrier 1 -SR1-

t	ABS control unit fuse 1 -S123-

t	ABS control unit fuse 2 -S124-

t	Driver seat adjustment thermal fuse 1 -S44-

q	Fitting location, left-hand drive models

q	Fitting location, right-hand drive models

q	Fuse assignment on Relay and fuse carrier 1 -SR1-

6 -	Relay and fuse carrier 4 -SR4-

t	Heater element fuse 1 -S276-

t	Heater element fuse 2 -S277-

q	In front right footwell

q	Fitting location and assignment

7 -

AUDI A4 2016 Fitting location, relay and fuse carrier 3 SR3

Fitting location, relay and fuse carrier 3 -SR3-

R1.1 -

not assigned

R1.2 -

Fuse (50) -S216- , 5 A, to engine control unit -J623-

R2 -

Ignore

R3 -

Ignore

Back to overview .

AUDI A4 2016

Fitting location, relay and fuse carrier 1 -SR1- , left-hand drive models

1 -	Relay and fuse carrier 1 -SR1-

A -	ABS control unit fuse 1 -S123- , 40 A

A -	ABS control unit fuse 2 -S124- , 40 A

B -	Driver seat adjustment thermal fuse 1 -S44- , 15 A

C -	not assigned

ST1 -

Fuse carrier 1, brown

q	Fuse assignment

ST2 -

Fuse carrier 2, red

q	Fuse assignment

ST3 -

Fuse carrier 3, black

q	Fuse assignment

ST4 -

Fuse carrier 4, black

q	Fuse assignment

ST5 -

Fuse carrier 5, red

q	Fuse assignment

Back to overview .

AUDI A4 2016

Fitting location, relay and fuse carrier 1 -SR1- , right-hand drive models

1 -	Relay and fuse carrier 1 -SR1-

A -	ABS control unit fuse 1 -S123- , 40 A

A -	ABS control unit fuse 2 -S124- , 40 A

B -	Driver seat adjustment thermal fuse 1 -S44- , 15 A

C -	not assigned

ST1 -

Fuse carrier 1, brown

q	Fuse assignment

ST2 -

Fuse carrier 2, red

q	Fuse assignment

ST3 -

Fuse carrier 3, black

q	Fuse assignment

ST4 -

Fuse carrier 4, black

q	Fuse assignment

ST5 -

Fuse carrier 5, red

q	Fuse assignment

Back to overview . AUDI A4 2016 Fuse assignment on relay and fuse carrier 1 SR1 Fuse assignment on fuse carrier ST1, brown No.   Current flow diagram designation Nominal value   Function/component Terminal 1 - not assigned -   2 - not assigned -   3 - Fuse 3 on fuse holder B -SB3- 5 A1) - Radiator blind control motor -V544-1) Radiator blind control motor 2 -V550-1) 30 4 - Fuse 4 on fuse holder B -SB4- 10 A1) 7.5 A2) - Circulation pump -V55-2) Particle sensor -G784-1) Control unit for NOx sender -J583-1) Control unit for NOx sender 2 -J881-1) 87 5 - Fuse 5 on fuse holder B -SB5- 5 A - Brake light switch -F- 87 6 - Fuse 6 on fuse holder B -SB6- 7.5 A1) 15 A2) - Automatic glow period control unit -J179-1) Activated charcoal filter solenoid valve 1 -N80-2) Secondary air inlet valve -N112-2) Charge air cooling pump -V188-1) Charge pressure control solenoid valve -N75-1) Valve for oil pressure control -N428-2) Coolant valve for cylinder head -N489- Map-controlled engine cooling system thermostat -F265-1) 87 7 - Fuse 7 on fuse holder B -SB7- 5 A1) 20 A2) - Air mass meter -G70-1) Lambda probe heater -Z19-2) Lambda probe 1 heater after catalytic converter -Z29-2) 87 8 - Fuse 8 on fuse holder B -SB8- 10 A1) 7.5 A2) - Fuel pressure regulating valve -N276-1) Fuel metering valve -N290-1) Coolant valve for gearbox -N488-2) Left electrohydraulic engine mounting solenoid valve -N144-2) Right electrohydraulic engine mounting solenoid valve -N145-2) Charge air cooling pump -V188-2) 87 9 - Fuse 9 on fuse holder B -SB9- 5 A - Engine component current supply relay -J757-2) 87 10 - Fuse 10 on fuse holder B -SB10- 5 A - Oil level and oil temperature sender -G266- 87 11 - not assigned   - 12 - Fuse 12 on fuse holder B -SB12- 7.5 A1) 10 A2) - Air filter bypass flap valve -N275-2) Camshaft control valve 1 -N205-2) Activated charcoal filter solenoid valve 1 -N80-2) Intake manifold flap valve -N316-2) Exhaust camshaft control valve 1 -N318-2) Secondary air inlet valve -N112-2) Left electrohydraulic engine mounting solenoid valve -N144-1) Right electrohydraulic engine mounting solenoid valve -N145-1) Auxiliary pump for heating -V488-1) Automatic glow period control unit -J179-1) Charge air cooling pump -V188-1) 87 13 - Fuse 13 on fuse holder B -SB13- 5 A - Radiator fan control unit -J293- Radiator fan control unit 2 -J671- 30 14 - Fuse 14 on fuse holder B -SB14- 15 A1) 25 A2) - Engine control unit -J623- 30 15 - Fuse 15 on fuse holder B -SB15- 10 A1) 15 A4) 20 A3) - Lambda probe heater -Z19-1) 4) Lambda probe 1 heater after catalytic converter -Z29-4) Ignition coil 1 with output stage -N70-3) Ignition coil 2 with output stage -N127-3) Ignition coil 3 with output stage -N291-3) Ignition coil 4 with output stage -N292-3) 30 16 - Fuse 16 on fuse holder B -SB16- 30 A - Fuel pump control unit -J538- 30 t  1) Diesel engines only t  2) Petrol engines only t  3) only with 1.4 l petrol engine t  4) only with 2.0 l petrol engine Back to overview .     Position of fuses on fuse carrier ST2, red No.   Current flow diagram designation Nominal value   Function/component Terminal 1 - Fuse 1 on fuse holder B -SB1- 5 A - Anti-theft alarm sensor -G578- Alarm horn -H12- 30 2 - Fuse 2 on fuse holder B -SB2- 5 A - Main relay -J271- Engine control unit -J623- 30 3 - not assigned -   4 - Fuse 4 on fuse holder B -SB4- 7.5 A - Selector lever -E313- 30 5 - Fuse 5 on fuse holder B -SB5- 15 A - Onboard supply control unit -J519- 30 6 - Fuse 6 on fuse holder B -SB6- 5 A - Electromechanical parking brake button -E538- 30 7 - Fuse 7 on fuse holder B -SB7- 5 A - Data bus diagnostic interface -J533- 30 8 - Fuse 8 on fuse holder B -SB8- 5 A - Roof electronics control unit -J528- front roof module -WX3- 30 9 - not assigned   -   10 - Fuse 10 on fuse holder B -SB10- 5 A - Airbag control unit -J234- 30 11 - Fuse 11 on fuse holder B -SB11- 5 A - ABS control unit -J104- 30 12 - Fuse 12 on fuse holder B -SB12- 10 A - Rain and light sensor -G397- Light sensor -G399- Diagnostic connection -U31- 30 13 - Fuse 13 on fuse holder B -SB13- 20 A - Onboard supply control unit -J519- 30 14 - Fuse 14 on fuse holder B -SB14- 20 A - Front passenger door control unit -J387- 30 15 - Fuse 15 on fuse holder B -SB15- 20 A - Onboard supply control unit -J519- 30 16 - not assigned   -   Back to overview .     Position of fuses on fuse carrier ST3, black No.   Current flow diagram designation Nominal value   Function/component Terminal 1 - Fuse 1 on fuse holder B -SB1- 30 A - Onboard supply control unit -J519- 30 2 - Fuse 2 on fuse holder B -SB2- 30 A - Wiper motor control unit -J400- 30 3 - Fuse 3 on fuse holder B -SB3- 30 A - Onboard supply control unit -J519- 30 4 - Fuse 4 on fuse holder B -SB4- 20 A - Sliding sunroof adjustment control unit -J245- 30 5 - Fuse 5 on fuse holder B -SB5- 20 A - Driver door control unit -J386- 30 6 - Fuse 6 on fuse holder B -SB6- 20 A - Onboard supply control unit -J519- 30 7 - Fuse 7 on fuse holder B -SB7- 20 A - Rear passenger side door control unit -J927- 30 8 - not assigned   -   9 - Fuse 9 on fuse holder B -SB9- 30 A - Onboard supply control unit -J519- 30 10 - Fuse 10 on fuse holder B -SB10- 35 A - Onboard supply control unit -J519- 30 11 - Fuse 11 on fuse holder B -SB11- 20 A - Rear driver side door control unit -J926- 30 12 - Fuse 12 on fuse holder B -SB12- 30 A - Auxiliary heater control unit -J364- 30 Back to overview .     Position of fuses on fuse carrier ST4, black No.   Current flow diagram designation Nominal value   Function/component Terminal 1 - Fuse 1 on fuse holder B -SB1- 5 A - Diagnostic connection -U31- Main beam assist control unit -J844- Seat and steering column adjustment control unit with memory -J136- Operating and display unit for rear air conditioning system -E265- 15 2 - Fuse 2 on fuse holder B -SB2- 10 A - Data bus diagnostic interface -J533- Onboard supply control unit -J519- 15 3 - Fuse 3 on fuse holder B -SB3- 5 A - Control unit for structure-borne sound -J869- 15 4 - Fuse 4 on fuse holder B -SB4- 5 A - Clutch position sender -G476- 15 5 - Fuse 5 on fuse holder B -SB5- 5 A - Starter relay 1 -J906- Starter relay 2 -J907- 15 6 - not assigned   -     7 - not assigned   -     8 - Fuse 8 on fuse holder B -SB8- 5 A - Garage door operating unit -E284- 15 9 - Fuse 9 on fuse holder B -SB9- 10 A - Adaptive cruise control unit -J428- Control unit 2 for adaptive cruise control -J850- 15 10 - not assigned   -     11 - Fuse 11 on fuse holder B -SB11- 7.5 A - Front camera for driver assist systems -R242- 15 12 - Fuse 12 on fuse holder B -SB12- 10 A - Front right headlight -MX2- 15 13 - Fuse 13 on fuse holder B -SB13- 10 A - Front left headlight -MX1- 15 14 - Fuse 14 on fuse holder B -SB14- 20 A - Rear window wiper motor -V12- 15 15 - not assigned   -     16 - not assigned   -     Back to overview .     Position of fuses on fuse carrier ST5, red No.   Current flow diagram designation Nominal value   Function/component Terminal 1 - Fuse 1 on fuse holder B -SB1- 20 A - Ignition coil 1 with output stage -N70-1) Ignition coil 2 with output stage -N127-1) Ignition coil 3 with output stage -N291-1) Ignition coil 4 with output stage -N292-1) 87 2 - not assigned   -     3 - not assigned -     4 - not assigned   -     5 - not assigned   -     6 - Fuse 6 on fuse holder B -SB6- 20 A - Auxiliary hydraulic pump 1 for gearbox oil -V475- 87 7 - Fuse 7 on fuse holder B -SB7- 40 A - Supply for fuse holder C -SC- 87 8 - Fuse 8 on fuse holder B -SB8- 30 A - Fresh air blower control unit -J126- 87 9 - not assigned   -   10 - Fuse 10 on fuse holder B -SB10- 40 A - Active steering control unit -J792- 87 11 - Fuse 11 on fuse holder B -SB11- 40 A - Starter relay 2 -J907- Starter relay 1 -J906- Starter -B-Fuse (50) -S216- 87 12 - not assigned -   t  1) only with 2.0 l petrol engine Back to overview .     AUDI A4 2016 Fitting location of fuse holder C SC Fitting location of fuse holder C -SC- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Fuse holder C -SC- q   Fuse assignment Fuse colours t  40 A - orange t  30 A - light green t  25 A - clear t  20 A - yellow t  15 A - light blue t  10 A - red t  7.5 A - brown t  5 A - light brown Back to overview .     AUDI A4 2016 Fuse assignment, fuse holder C SC Fuse assignment, fuse holder C -SC- No.   Current flow diagram designation Nominal value   Function/component Terminal 1 - not assigned -   2 - Fuse 2 on fuse holder C -SC2- 5 A - Chip card reader control unit -J676- Telephone bracket -R126- 30 3 - not assigned -   4 - Fuse 4 on fuse holder C -SC4- 5 A - Control unit for heads-up display -J898- 30 5 - Fuse 5 on fuse holder C -SC5- 5 A - Connection for external audio sources -R199- 30 6 - Fuse 6 on fuse holder C -SC6- 10 A - Operating and display unit for rear air conditioning system -E87- Seat heating control unit -J65- 30 7 - Fuse 7 on fuse holder C -SC7- 5 A - Control unit for electronic steering column lock -J764- 30 8 - Fuse 8 on fuse holder C -SC8- 5 A - Display unit for front information display and operating unit control unit -J685- 30 9 - Fuse 9 on fuse holder C -SC9- 10 A - Control unit in dash panel insert -J285- 30 10 - Fuse 10 on fuse holder B -SB10- 5 A - Multimedia system operating unit -E380- 30 11 - Fuse 11 on fuse holder C -SC11- 5 A - Light switch -E1- Operating unit 1 for driving and comfort functions -E791- 30 12 - Fuse 12 on fuse holder C -SC12- 1 A - Steering column electronics control unit -J527- 30 13 - not assigned   -     14 - Fuse 14 on fuse holder C -SC14- 20 A1) 5 A2) - Control unit 1 for information electronics -J794- 30 15 - not assigned   -     16 - Fuse 16 on fuse holder C -SC16- 10 A - Steering column electronics control unit -J527- 30 t  1) 8RM sound system t  2) 9VS and 8RF sound system Back to overview .     AUDI A4 2016 Fitting location, relay and fuse carrier 2 SR2 Fitting location, relay and fuse carrier 2 -SR2- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Relay and fuse carrier 2 -SR2- ST1 -  Fuse carrier 1, black q   Fuse assignment ST2 -  Fuse carrier 2, red q   not assigned ST3 -  Fuse carrier 3, brown q   Fuse assignment ST4 -  Fuse carrier 4 q   not assigned ST5 -  Fuse carrier 5, red q   Fuse assignment ST6 -  Fuse carrier 6 q   not assigned A -  Heated rear window fuse -S41- , 40 A A -  Automatic gearbox control unit fuse -S113- , 50 A B -  not assigned C -  Front passenger seat adjustment thermal fuse 1 -S46- , 15 A AUDI A4 2016 Fuse assignment on relay and fuse carrier 2 SR2 Position of fuses on fuse carrier ST1, black No.   Current flow diagram designation Nominal value   Function/component Terminal 1 - not assigned -   2 - not assigned -   3 - not assigned -   4 - not assigned   -   5 - Fuse 5 on fuse holder F -SF5- 15 A - Running gear control unit -J775- 30 6 - Fuse 6 on fuse holder F -SF6- 15 A - Automatic gearbox control unit -J217- 30 7 - not assigned   -   8 - Fuse 8 on fuse holder F -SF8- 30 A - Operating and display unit for rear air conditioning system -E265- 30 9 - Fuse 9 on fuse holder F -SF9- 20 A - Convenience system central control unit -J393- 30 10 - Fuse 10 on fuse holder F -SF10- 25 A - Control unit for front left belt tensioner -J854- 30 11 - Fuse 11 on fuse holder B -SF11- 20 A - Convenience system central control unit -J393- 30 12 - Fuse 12 on fuse holder F -SF12- 30 A - Rear lid control unit -J605- 30 Back to overview .     Fuse assignment on fuse carrier ST3, brown No.   Current flow diagram designation Nominal value   Function/component Terminal 1 - not assigned -   2 - Fuse 2 on fuse holder F -SF2- 5 A - Aerial amplifier for mobile telephone -R86- 30 3 - not assigned -   4 - Fuse 4 on fuse holder F -SF4- 5 A - Lane change assist control unit 2 -J770- Lane change assist control unit -J769- 30 5 - Fuse 5 on fuse holder F -SF5- 10 A - Rear left information display and operating unit control unit -J648- Rear right information display and operating unit control unit -J649- 30 6 - not assigned   -     7 - not assigned   -   8 - Fuse 8 on fuse holder F -SF8- 5 A - Remote control receiver for auxiliary heater -R64- Metering pump -V54- Control unit for fuel tank leak detection -J909- 30 9 - not assigned   -   30 10 - Fuse 10 on fuse holder F -SF10- 5 A - TV tuner -R78- 30 11 - not assigned   -   12 - Fuse 12 on fuse holder F -SF12- 5 A - Garage door operation control unit -J530- 30 13 - Fuse 13 on fuse holder F -SF13- 5 A - Reversing camera system control unit -J772- Control unit for overhead view camera -J928- 30 14 - Fuse 14 on fuse holder F -SF14- 20 A - Convenience system central control unit -J393- 30 15 - not assigned   -     16 - Fuse 16 on fuse holder F -SF16- 25 A - Control unit for front right belt tensioner -J855- 30 Back to overview .     Position of fuses on fuse carrier ST5, red No.   Current flow diagram designation Nominal value   Function/component Terminal 1 - not assigned   -     2 - Fuse 2 on fuse holder F -SF2- 30 A - Digital sound package control unit -J525- 30 3 - Fuse 3 on fuse holder F -SF3- 30 A - Control unit for reducing agent metering system -J880- 30 4 - not assigned   -     5 - Fuse 5 on fuse holder B -SF5- 25 A - Trailer detector control unit -J345- 30 6 - not assigned   -     7 - Fuse 7 on fuse holder F -SF7- 15 A - Trailer detector control unit -J345- 30 8 - Fuse 8 on fuse holder F -SF8- 25 A - Trailer detector control unit -J345- 30 9 - Fuse 9 on fuse holder F -SF9- 15 A - Trailer detector control unit -J345- 30 10 - Fuse 10 on fuse holder F -SF10- 40 A - All-wheel drive control unit -J492- 30 11 - Fuse 11 on fuse holder F -SF11- 25 A - Control unit for reducing agent metering system -J880- 30 12 - not assigned   -     Back to overview .     AUDI A4 2016 Fitting location of main fuse carrier on the battery A Fitting location of main fuse carrier on the battery -A- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Main fuse carrier on battery -A- A -  not assigned B -  Fuse 1 (30) in battery fuse holder -S162- , 125 A, to power steering control unit -J500- C -  Fuse 2 (30), in battery fuse holder -S163- , 150 A, to B302 positive connection 6(30) in main wiring harness D -  Fuse 3 (30), in battery fuse holder -S164- , 200 A, to B272 positive connection (30) in main wiring harness Back to overview .     AUDI A4 2016 Fitting location, relay and fuse carrier 4 SR4 Fitting location, relay and fuse carrier 4 -SR4- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Relay and fuse carrier 4 -SR4- A -  Heater element fuse 2 -S277- , 60 A B -  Heater element fuse 1 -S276- , 40 A R1 -  Ignore R2 -  Ignore Back to overview .     AUDI A4 2016 Fitting locationfuse holder A SA Fitting locationfuse holder A -SA- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Fuse holder A -SA- 2 -  Suppression filter -C24- A -  Fuse 3 on fuse holder A -SA3- , 40 A, to radiator fan control unit 2 -J671- B -  Fuse 2 on fuse holder A -SA2- , 40 A, to radiator fan control unit -J293- C -  Fuse 1 on fuse holder A -SA1- , 80 A, diesel, to Automatic glow period control unit -J179- D -  Fuse 4 on fuse holder A -SA4- , not assigned Back to overview .     AUDI A4 2016 Overview of control units in middle part of vehicle Overview of control units in middle part of vehicle https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car q   Fitting location for right-hand drive models laterally reversed q   Connector assignment q   Fitting location for right-hand drive models laterally reversed q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Fitting location for right-hand drive models laterally reversed q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Fitting location with online services (EL3) q   Connector assignment without online services (EL0) q   Connector assignment with online services (EL3) q   Fitting location for right-hand drive models laterally reversed q   Connector assignment q   Fitting location for right-hand drive models laterally reversed q   Connector assignment q   Connector assignment q   Fitting location for right-hand drive models laterally reversed q   Connector assignment q   Connector assignment q   Fitting location for right-hand drive models laterally reversed q   Connector assignment q   Fitting location for right-hand drive models laterally reversed q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Fitting location for left-hand drive models with display unit control unit q   Fitting location for right-hand drive models laterally reversed q   Connector assignment q   Fitting location for right-hand drive models laterally reversed q   Connector assignment q   Fitting location for right-hand drive models laterally reversed q   Connector assignment q   Connector assignment (9AK) q   Connector assignment (9AQ) q   Fitting location for right-hand drive models laterally reversed q   Connector assignment q   Fitting location for right-hand drive models laterally reversed AUDI A4 2016 Fitting location Operating and display unit for Climatronic air conditioning system E87 Fitting location Operating and display unit for Climatronic air conditioning system -E87- Fitting location in centre of dash panel. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Operating and display unit for Climatronic air conditioning system -E87- A -  20-pin connector -T20d- , black B -  16-pin connector -T16k- , black Connector assignment of operating and display unit for Climatronic air conditioning system -E87- (9AQ) -T20d- (A) Designation   -T16k- (B) Designation 1   1 Rear temperature flap control motor -V137- 2 Data bus diagnostic interface -J533- 2 Defroster flap control motor -V107- Air recirculation flap control motor -V113- Rear temperature flap control motor -V137- Left temperature flap control motor -V158- Right temperature flap control motor -V159- Left side vent control motor -V299- Right side vent control motor -V300- Rear air distribution flap control motor -V427- Fresh air flap control motor -V438- 3 Data bus diagnostic interface -J533- 3 Defroster flap control motor -V107- Air recirculation flap control motor -V113- Rear temperature flap control motor -V137- Left temperature flap control motor -V158- Right temperature flap control motor -V159- Left side vent control motor -V299- Right side vent control motor -V300- Rear air distribution flap control motor -V427- Fresh air flap control motor -V438- 4 LIN bus 4 Evaporator output temperature sender -G263- 5   5 Left footwell vent temperature sender -G261- 6 Photosensor for sunlight intensity -G107- 6 Right footwell vent temperature sender -G262- 7 Photosensor for sunlight intensity -G107- Front left chest vent temperature sensor -G385- Front right chest vent temperature sensor -G386- 7   8 Photosensor for sunlight intensity -G107- 8   9 Photosensor for sunlight intensity -G107- 9 Left footwell vent temperature sender -G261- Right footwell vent temperature sender -G262- Evaporator output temperature sender -G263- 10   10   11 Front left chest vent temperature sensor -G385- 11   12 Front right chest vent temperature sensor -G386- 12   13   13   14   14   15     15   16 High pressure sender -G65- Humidity sender in fresh air intake duct -G657-   16   17 Dash panel vent control motor -V562-     18       19 Terminal 31   20 Terminal 30     Back to overview . AUDI A4 2016 Fitting location Rear Climatronic operating and display unit E265 Fitting location Rear Climatronic operating and display unit -E265- Fitting location Rear Climatronic operating and display unit -E265- Fitting location In rear centre console. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Rear Climatronic operating and display unit -E265- A -  3-pin connector -T3z- , black B -  8-pin connector -T8n- , black . Fitting location, seat and steering column adjustment control unit with memory -J136- /front passenger seat adjustment control unit with memory -J521-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.     Fitting location at bottom of seat. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Seat and steering column adjustment control unit with memory -J136- /front passenger seat adjustment control unit with memory -J521- A -  20-pin connector -T20a- /-T20b- , black q   20-pin connector -T20a- on seat and steering column adjustment control unit with memory -J136- q   20-pin connector -T20b- on front passenger seat adjustment control unit with memory -J521- B -  not assigned C -  4-pin connector -T4aa- /-T4ab- , black q   4-pin connector -T4aa- on seat and steering column adjustment control unit with memory -J136- q   4-pin connector -T4ab- on front passenger seat adjustment control unit with memory -J521- D -  26-pin connector -T26b- /-T26c- , blue q   26-pin connector -T26b- on seat and steering column adjustment control unit with memory -J136- q   26-pin connector -T26c- on front passenger seat adjustment control unit with memory -J521- E -  26-pin connector -T26- /-T26a- , white q   26-pin connector -T26- on seat and steering column adjustment control unit with memory -J136- q   26-pin connector -T26a- on front passenger seat adjustment control unit with memory -J521- Connector assignment, seat and steering column adjustment control unit with memory -J136- -T20a- (A) Designation   -T20a- (A) Designation 1 Convenience CAN bus, high   11 Convenience CAN bus, low 2     12   3 Coding wire 13   4     14 Driver seat adjustment operating unit -E470- 5     15 Driver seat adjustment operating unit -E470- 6     16 Driver seat adjustment operating unit -E470- 7     17 Driver seat adjustment operating unit -E470- 8 Driver seat adjustment operating unit -E470-   18   9     19 Driver seat adjustment operating unit -E470- 10     20 Coding wire -T4aa- (C) Designation -T26b- (D) Designation   -T26- (E) Designation 1 Terminal 30   1 Driver seat backrest adjustment motor -V45-   1   2     2     2   3 Terminal 31   3   3 Driver seat longitudinal adjustment motor -V28- 4     4   4         5   5 Driver seat longitudinal adjustment motor -V28-       6   6 Driver seat rake adjustment motor -V243-       7     7         8     8 Driver seat longitudinal adjustment motor -V28-       9     9         10     10 Driver seat height adjustment motor -V245-       11     11         12     12         13     13         14     14         15     15         16     16         17     17         18     18         19 Driver seat backrest adjustment motor -V45-   19         20     20         21     21         22     22         23   23 Driver seat rake adjustment motor -V243-       24     24 Driver seat longitudinal adjustment motor -V28-       25     25 Driver seat height adjustment motor -V245-       26     26   Back to overview . . AUDI A4 2016 Fitting location, airbag control unit J234 Fitting location, airbag control unit -J234- Fitting location Under centre console https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Airbag control unit -J234- A -  20-pin connector -T20- , yellow B -  96-pin connector -T96- , yellow Back to overview .     AUDI A4 2016 Fitting location, sliding sunroof adjustment control unit -J245- / rear sliding sunroof control unit -J392- / sunroof roller blind motor -V260- Fitting location On front and rear of sliding sunroof frame. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Rear sliding sunroof control unit -J392- 2 -  Sliding sunroof adjustment control unit -J245- 3 -  Sunroof roller blind motor -V260- A -  6-pin connector -T6al- B -  16-pin connector -T16g- , black C -  4-pin connector -T4bt- , black D -  5-pin connector -T5ak- , black E -  6-pin connector -T6am- , black q   on sunroof roller blind motor -V260- Connector assignment, sliding sunroof adjustment control unit -J245- -T16g- (B) Designation -T4bt- (C) Designation   -T5ak- (D) Designation 1 Rear sliding sunroof control unit -J392-   1 Sunroof roller blind motor -V260-   1 Terminal 31 2 Rear sliding sunroof control unit -J392-   2 Sunroof roller blind motor -V260-   2   3 Rear sliding sunroof control unit -J392- sunroof roller blind motor -V260-   3 Rear sliding sunroof control unit -J392-   3 Convenience CAN bus, high 4 Sunroof button -E325- Button 1 for roof roller blind -E584-   4 Rear sliding sunroof control unit -J392- 4 Convenience CAN bus, low 5 Sunroof button -E325- Button 1 for roof roller blind -E584-       5 Terminal 30 6 Sunroof button -E325- Button 1 for roof roller blind -E584-           7             8             9 Sunroof roller blind motor -V260-         10 Sunroof roller blind motor -V260-         11 Rear sliding sunroof control unit -J392- sunroof roller blind motor -V260-         12 Sunroof button -E325- Button 1 for roof roller blind -E584-           13             14             15             16 Sunroof button -E325- Button 1 for roof roller blind -E584-           Back to overview . AUDI A4 2016 Fitting location, control unit in dash panel insert J285 Fitting location, control unit in dash panel insert -J285- Fitting location, control unit in dash panel insert -J285- , without display unit control unit   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.     Fitting location In driver side dash panel. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Control unit in dash panel insert -J285- A -  32-pin connector -T32f- , grey B -  2-pin connector -T2dx- , black q   MOST bus Connector assignment, control unit in dash panel insert -J285- Back to overview . Fitting location, control unit in dash panel insert -J285- , with display unit control unit   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.     Fitting location In driver side dash panel. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Control unit in dash panel insert -J285- A -  4-pin connector -T4bd- , black B -  2-pin connector -T2dx- , black q   MOST bus C -  32-pin connector -T32f- , grey Connector assignment, control unit in dash panel insert -J285- -T32f- (C) Designation -T32f- (C) Designation   -T32f- (C) Designation 1 B159 Connection (diagnosis), in interior wiring harness   12     23   2     13   24   3 Infotainment CAN bus, low   14   25   4 Infotainment CAN bus, high   15   26   5     16   27   6     17   28   7     18     29   8 Dash panel insert operating buttons -E493-   19     30 Terminal 31 9     20     31   10     21     32 Terminal 30 11     22       Back to overview . Fitting location, driver door control unit -J386-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.     Fitting location In driver door. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Driver door control unit -J386- A -  32-pin connector -T32a- , blue B -  16-pin connector -T16b- , white C -  20-pin connector -T20l- , white D -  6-pin connector -T6l- , black Connector assignment, driver door control unit -J386- -T32a- (A) Designation   -T16b- (B) Designation 1 Central locking SAFELOCK function warning lamp -K133-   1   2     2 Driver side automatic anti-dazzle exterior mirror -Y20- Driver side exterior mirror -VX4- 3 Light for driver side interior door handle illumination -L219-   3 Front passenger side turn signal repeater bulb -L131- Heated exterior mirror on driver side -Z4- Driver side exterior mirror -VX4- 4 Terminal 58s   4 Lane change assist warning lamp in driver side exterior mirror -K233- Driver side exterior mirror -VX4- 5 Terminal 31   5 Driver side exterior mirror -VX4- 6 Driver door exit warning light -W111-   6 Driver side automatic anti-dazzle exterior mirror -Y20- Driver side exterior mirror -VX4- 7     7 Driver side mirror adjustment motor 2 -V17- Driver side exterior mirror -VX4- 8 Light for driver side interior door handle illumination -L223- Light for rear driver side door ambient lighting -W86-   8 Driver side mirror adjustment motor -V149- Driver side exterior mirror -VX4- 9     9 Driver side fold-in mirror motor -V121- Driver side exterior mirror -VX4- 10 Button for deactivating interior monitoring and vehicle inclination sensor -E616-   10 Driver side fold-in mirror motor -V121- Driver side exterior mirror -VX4- 11 Operating unit for window regulator in driver door -E512-   11 Driver side turn signal repeater bulb -L131- Driver side exterior mirror -VX4- 12 Operating unit for window regulator in driver door -E512-   12 Lane change assist warning lamp in driver side exterior mirror -K233- Driver side exterior mirror -VX4- 13 Driver side interior locking button for central locking system -E308-   13 Potentiometer for horizontal adjustment of driver side mirror -G514- Driver side exterior mirror -VX4- 14     14 Potentiometer for horizontal adjustment of driver side mirror -G514- Potentiometer for vertical adjustment of driver side mirror -G515- Driver side exterior mirror -VX4- 15 Driver side operating unit for memory settings -E464-   15 Heated exterior mirror on driver side -Z4- Driver side exterior mirror -VX4- 16 Driver side entry light -W92-   16 Potentiometer for vertical adjustment of driver side mirror -G515- Driver side exterior mirror -VX4- 17 Driver side operating unit for memory settings -E464-       18       19 Driver side operating unit for memory settings -E464-       20 Button for deactivating interior monitoring and vehicle inclination sensor -E616-     21         22         23 Rear lid remote release button -E233-     24 Mirror adjustment switch -E43-       25 Mirror adjustment switch -E43-       26         27 Operating unit for window regulator in driver door -E512-     28 Driver side interior locking button for central locking system -E308-     29 Rear passenger side window regulator button in driver door -E714- Operating unit for window regulator in driver door -E512-       30 Rear driver side window regulator button in driver door -E712- Operating unit for window regulator in driver door -E512-       31 Front passenger side window regulator button, in driver door -E715- Operating unit for window regulator in driver door -E512-       32 Front driver side window regulator button -E710- Operating unit for window regulator in driver door -E512-     -T20l- (C) Designation   -T6l- (D) Designation 1 Driver door lock unit -VX21-   1   2     2   3 Front left door exterior handle illumination bulb -L162-   3 Driver side window regulator motor -V147- 4     4   5 Driver door lock unit -VX21-   5   6 Driver door lock unit -VX21-   6 Driver side window regulator motor -V147- 7       8       9       10 LIN bus     11 Driver door lock unit -VX21-       12 Driver door lock unit -VX21-       13 Driver door lock unit -VX21-     14 Convenience CAN bus, low       15 Convenience CAN bus, high     16 Light for driver side sill panel moulding ambient lighting -W102-       17       18       19 Terminal 30       20 Terminal 31   Back to overview . AUDI A4 2016 Fitting location, front passenger door control unit J387 Fitting location, front passenger door control unit -J387-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.     Fitting location In front passenger door. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Front passenger door control unit -J387- A -  32-pin connector -T32b- , blue B -  16-pin connector -T16cd- , white C -  20-pin connector -T20r- , white D -  6-pin connector -T6r- , black Connector assignment, front passenger door control unit -J387- -T32b- (A) Designation   -T16cd- (B) Designation 1     1 2     2 Front passenger side automatic anti-dazzle exterior mirror -Y21- Front passenger side exterior mirror -VX5- 3 Light for front passenger side interior door handle illumination -L220-   3 Front passenger side turn signal repeater bulb -L132- Heated exterior mirror on front passenger side -Z5- Front passenger side exterior mirror -VX5- 4 Terminal 58s   4 Lane change assist warning lamp in front passenger side exterior mirror -K234- Front passenger side exterior mirror -VX5- 5 Terminal 31   5 Front passenger side exterior mirror -VX5- 6 Ausstiegswarnleuchte Beifahrerseite -W112-   6 Front passenger side automatic anti-dazzle exterior mirror -Y21- Front passenger side exterior mirror -VX5- 7     7 Front passenger side mirror adjustment motor 2 -V25- Front passenger side exterior mirror -VX5- 8 Light for passenger side door loudspeaker trim -L224- Light for passenger door ambient lighting -W87-   8 Front passenger side mirror adjustment motor -V150- Front passenger side exterior mirror -VX5- 9     9 Front passenger side fold-in mirror motor -V122- Front passenger side exterior mirror -VX5- 10     10 Front passenger side fold-in mirror motor -V122- Front passenger side exterior mirror -VX5- 11     11 Front passenger side turn signal repeater bulb -L132- Front passenger side exterior mirror -VX5- 12     12 Lane change assist warning lamp in front passenger side exterior mirror -K234- Front passenger side exterior mirror -VX5- 13 Front passenger side interior locking button for central locking system -E309-   13 Potentiometer for horizontal adjustment of front passenger side mirror -G516- Front passenger side exterior mirror -VX5- 14     14 Potentiometer for horizontal adjustment of front passenger side mirror -G516- Potentiometer for vertical adjustment of front passenger side mirror -G517- Front passenger side exterior mirror -VX5- 15 Front passenger side operating unit for memory settings -E465-   15 Heated exterior mirror on front passenger side -Z5- Front passenger side exterior mirror -VX5- 16 Front passenger side entry light -W93-   16 Potentiometer for vertical adjustment of front passenger side mirror -G517- Front passenger side exterior mirror -VX5- 17 Front passenger side operating unit for memory settings -E465-     18       19 Front passenger side operating unit for memory settings -E465-     20       21         22         23         24         25         26         27         28 Front passenger side interior locking button for central locking system -E309-     29         30         31         32 Front passenger side window regulator button -E716-     -T20r- (C) Designation   -T6r- (D) Designation 1     1 2     2   3 Front right door exterior handle illumination bulb -L163-   3 Front passenger side window regulator motor -V148- 4     4   5 Front passenger door lock unit -VX22-   5   6 Front passenger door lock unit -VX22-   6 Front passenger side window regulator motor -V148- 7         8         9       10 LIN bus     11 Front passenger door lock unit -VX22-       12 Front passenger door lock unit -VX22-       13 Front passenger door lock unit -VX22-     14 Convenience CAN bus, low       15 Convenience CAN bus, high     16 Light for sill panel moulding ambient lighting, front passenger side -W103-       17       18       19 Terminal 30       20 Terminal 31   Back to overview . AUDI A4 2016 Fitting location, onboard supply control unit J519 Fitting location, onboard supply control unit -J519- Fitting location On left A-pillar. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Onboard supply control unit -J519- A -  54-pin connector -T54c- (connector C), black B -  73-pin connector -T73a- (connector A), black C -  73-pin connector -T73b- (connector B), black Connector assignment, onboard supply control unit -J519- -T54c- (A) Designation -T73a- (B) Designation   -T73b- (C) Designation 1     1 12 V socket -U5- 12 V socket 2 -U18- 12 V socket 3 -U19- 12 V socket 4 -U20- 12 V socket 5 -U26-   1 Terminal 30 2 Front right footwell light -K269-   2 Terminal 30   2 Headlight washer system pump -V11- 3 Front left footwell light -K268-   3   3 Washer pump -V5- Rear window wiper motor -V12- 4     4   4 Washer pump -V5- Rear window wiper motor -V12- 5     5   5 Treble horn -H2- Bass horn -H7- 6     6   6 Right dipped beam screen motor -V295- 7     7 Terminal 15   7   8     8 Air conditioner compressor regulating valve -N280-   8   9     9     9 Left washer jet heater element -Z20- Right washer jet heater element -Z21- 10     10     10 Front right heated seat backrest -Z117- 11 Terminal 31   11 Front left footwell light -K268- Front right footwell light -K269-   11 Rear left seat lateral support heater -Z48- 12     12 Terminal 30   12 Terminal 30 13     13 Coolant shut-off valve -N82-   13   14     14     14   15     15     15   16     16 Air conditioner compressor regulating valve -N280-   16 Front right parking aid sender -G252- Front centre right parking aid sender -G253- Front centre left parking aid sender -G254- Front left parking aid sender -G255- 17     17     17 Rear left parking aid sender -G203- Rear centre left parking aid sender -G204- Rear centre right parking aid sender -G205- Rear right parking aid sender -G206- 18     18     18 Front left parking aid sender -G255- 19 Front parking aid warning buzzer -H22-   19 Terminal 15   19 Front right parking aid sender -G252- Front centre right parking aid sender -G253- Front centre left parking aid sender -G254- Front left parking aid sender -G255- Front left sender for park assist steering on left side of vehicle -G568- Front right sender for park assist steering on right side of vehicle -G569- 20 Front parking aid warning buzzer -H22-   20 Front left brake pad wear sender -G34- Rear right brake pad wear sender -G37-   20 Rear left parking aid sender -G203- Rear centre left parking aid sender -G204- Rear centre right parking aid sender -G205- Rear right parking aid sender -G206- Rear left park assist steering sender -G716- Rear right park assist steering sender -G717- 21     21 Brake fluid level warning contact -F34-   21 Front right parking aid sender -G252- 22     22 Wiper motor control unit -J400- (LIN bus)   22 Front centre right parking aid sender -G253- 23     23 Rain and light sensor -G397- (LIN bus) 23 Front left seat temperature sender -G344- 24     24 B549 connection 2 (LIN bus) in main wiring harness   24   25     25 B712 connection 7 (LIN bus) in main wiring harness   25   26     26     26 Front right seat temperature sender -G345- 27 Valet parking button -E536-   27 B711 connection 6 (LIN bus) in main wiring harness (door storage compartment illumination)   27   28     28 Front footwell lights, ambient lighting (LIN bus)   28   29     29     29   30 Light switch -E1- (LIN bus)   30 Bonnet contact switch 2 -F329-   30   31 Hazard warning lights button -E229-   31 Bonnet contact switch -F266-   31   32     32 Terminal 58   32 Front right side marker bulb -M34- 33 Valet parking button -E536-   33 Entry and start authorisation button -E408-   33   34     34 Terminal 58   34   35     35 Rear parking aid warning buzzer -H15-   35   36     36 Ambient lighting   36   37 Terminal 58   37   37   38     38 Air conditioner compressor regulating valve -N280-   38   39 Glove compartment light -W6-   39     39   40     40 Terminal 31   40 Convenience CAN bus, high 41     41 Left headlight range control motor -V48- Right headlight range control motor -V49-   41 Convenience CAN bus, low 42     42 Onboard supply control unit CAN bus, low   42 Onboard supply control unit CAN bus, high 43     43 Onboard supply control unit CAN bus, high   43 Onboard supply control unit CAN bus, low 44     44 Windscreen washer fluid level sender -G33-   44   45     45 Coolant shortage indicator sender -G32-   45   46     46 Ambient temperature sensor -G17-   46   47     47     47   48 Hazard warning lights button -E229-   48     48 Front centre left parking aid sender -G254- 49     49     49   50 Light switch -E1- (LIN bus)   50     50 Front right sender for park assist steering on right side of vehicle -G569- 51 Operating unit 1 for driving and comfort functions -E791- (LIN bus)   51   51 Front left sender for park assist steering on left side of vehicle -G568- 52     52     52 Rear right parking aid sender -G206- 53 Front left footwell light -K268- (LIN bus)   53 Rear parking aid warning buzzer -H15-   53 Rear left parking aid sender -G203- 54     54     54         55 Left headlight range control motor -V48- Right headlight range control motor -V49-   55 Rear centre right parking aid sender -G205-       56     56 Rear centre left parking aid sender -G204-       57 Front left side marker bulb -M33-   57 Rear right park assist steering sender -G717-       58 Left LED module for daytime running light and side light -L176-   58 Rear left park assist steering sender -G716-       59 Front footwell lights, ambient lighting, entry lights, door contour lighting, door storage compartment illumination   59         60 Right LED module for daytime running light and side light -L177-   60         61 Left headlight range control motor -V48- Right headlight range control motor -V49-   61         62     62         63 Terminal 31   63 Terminal 31       64 Left gas discharge bulb control unit -L13- or output module 1 for left LED headlight -A31-   64 Right gas discharge bulb control unit -L14- or output module 1 for right LED headlight -A27-       65 Left static cornering light -M51- or output module 1 for left LED headlight -A31-   65 Right static cornering light -M52- or output module 1 for right LED headlight -A27-       66 Terminal 30   66 Terminal 30       67 Right LED module for daytime running light and side light -L177- or right light control unit -J1023-   67 Left LED module for daytime running light and side light -L176- or left light control unit -J1018-       68     68 Front right turn signal bulb -M7-       69 Front left turn signal bulb -M5-   69         70 Left dipped beam screen motor -V294-   70         71     71 Heated seat cushion for front left seat -Z45-       72 Driver vanity mirror contact switch -F147- Front passenger vanity mirror contact switch -F148- Front passenger side illuminated vanity mirror -W14- Driver side illuminated vanity mirror -W20-   72 Front left heated seat backrest -Z116-       73 Terminal 30   73 Terminal 30 Back to overview . AUDI A4 2016 Fitting location, steering column electronics control unit J527 Fitting location, steering column electronics control unit -J527-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.     Fitting location On steering column. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Steering column electronics control unit -J527- A -  17-pin connector -T17c- , yellow Connector assignment, steering column electronics control unit -J527- -T17c- (A) Designation   -T17c- (A) Designation 1 Terminal 30 10 2 LIN bus   11 Airbag control unit -J234- 3 Data bus line (FlexRay bus)   12 Airbag control unit -J234- 4 Data bus line (FlexRay bus)   13 Airbag control unit -J234- 5     14 Airbag control unit -J234- 6     15 Terminal 30 (steering wheel heating) 7 CCS   16   8     17 Terminal 31 9       Back to overview . AUDI A4 2016 Fitting location, roof electronics control unit J528 Fitting location, roof electronics control unit -J528- Fitting location In front roof module -WX3- . https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Roof electronics control unit -J528- A -  6-pin connector -T6bc- , black B -  16-pin connector -T16p- , brown Connector assignment of roof electronics control unit -J528-     -T6bc- (A) Designation 1 Terminal 30 2 Terminal 58 3   4   5 Terminal 31 6 LIN bus Back to overview .     AUDI A4 2016 Fitting location, data bus diagnostic interface J533 Fitting location, data bus diagnostic interface -J533- Fitting location, data bus diagnostic interface -J533- , without online services (EL0) Fitting location Near rear seat bench. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Data bus diagnostic interface -J533- A -  54-pin connector -T54- , black Connector assignment, data bus diagnostic interface -J533- -T54- (A) Designation -T54- (A) Designation   -T54- (A) Designation 1     19   37   2     20   38   3 Diagnostic connection -U31- / FlexRay bus   21 Diagnostic connection -U31- / FlexRay bus 39   4 Diagnostic connection -U31-   22 Diagnostic connection -U31- 40   5 All-wheel drive control unit -J492- / FlexRay bus   23 All-wheel drive control unit -J492- / FlexRay bus   41 All-wheel drive control unit -J492- 6     24   42 All-wheel drive control unit -J492- 7 Control unit 2 for adaptive cruise control -J850- / FlexRay bus   25 Control unit 2 for adaptive cruise control -J850- / FlexRay bus   43   8 Airbag control unit -J234- / FlexRay bus   26 Airbag control unit -J234- / FlexRay bus   44   9 FlexRay bus/ automatic gearbox   27 FlexRay bus/ automatic gearbox   45 FlexRay bus for driver assist systems, adaptive suspension 10 Engine control unit -J623- / FlexRay bus   28 Engine control unit -J623- / FlexRay bus   46 FlexRay bus for driver assist systems, adaptive suspension 11 B229 connection (high bus) in interior wiring harness   29 B230 connection (low bus) in interior wiring harness   47   12 Extended CAN bus, high   30 Extended CAN bus, low   48 Diagnosis CAN bus, low 13 Infotainment CAN bus, high   31 Infotainment CAN bus, low 49 Diagnosis CAN bus, high 14     32     50 Operating and display unit for front air conditioning system -E87- / CAN bus, low 15 Convenience CAN bus, high   33 Convenience CAN bus, low   51 Operating and display unit for front air conditioning system -E87- / CAN bus, high 16 LIN bus 34 LIN bus   52   17 Terminal 15   35     53 18 Terminal 30   36 Diagnostic connection -U31-   54 Terminal 31 Back to overview . Fitting location, data bus diagnostic interface -J533- , with online services (EL3) Fitting location Near rear seat bench. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Data bus diagnostic interface -J533- A -  54-pin connector -T54- , black B -  54-pin connector -T54b- , blue C -  4-pin connector -T4da- , purple Connector assignment, data bus diagnostic interface -J533- -T54- (A) Designation -T54- (A) Designation   -T54- (A) Designation 1     19   37   2     20   38   3 Diagnostic connection -U31- / FlexRay bus   21 Diagnostic connection -U31- / FlexRay bus 39   4 Diagnostic connection -U31-   22 Diagnostic connection -U31- 40   5 All-wheel drive control unit -J492- / FlexRay bus   23 All-wheel drive control unit -J492- / FlexRay bus   41 All-wheel drive control unit -J492- 6     24   42 All-wheel drive control unit -J492- 7 Control unit 2 for adaptive cruise control -J850- / FlexRay bus   25 Control unit 2 for adaptive cruise control -J850- / FlexRay bus   43   8 Airbag control unit -J234- / FlexRay bus   26 Airbag control unit -J234- / FlexRay bus   44   9 FlexRay bus/ automatic gearbox   27 FlexRay bus/ automatic gearbox   45 FlexRay bus for driver assist systems, adaptive suspension 10 Engine control unit -J623- / FlexRay bus   28 Engine control unit -J623- / FlexRay bus   46 FlexRay bus for driver assist systems, adaptive suspension 11 B229 connection (high bus) in interior wiring harness   29 B230 connection (low bus) in interior wiring harness   47   12 Extended CAN bus, high   30 Extended CAN bus, low   48 Diagnosis CAN bus, low 13 Infotainment CAN bus, high   31 Infotainment CAN bus, low 49 Diagnosis CAN bus, high 14     32     50 Operating and display unit for front air conditioning system -E87- / CAN bus, low 15 Convenience CAN bus, high   33 Convenience CAN bus, low   51 Operating and display unit for front air conditioning system -E87- / CAN bus, high 16 LIN bus 34 LIN bus   52   17 Terminal 15   35     53 18 Terminal 30   36 Diagnostic connection -U31-   54 Terminal 31 -T54b- (B) Designation -T54b- (B) Designation   -T54b- (B) Designation 1     19   37   2 Emergency call module loudspeaker -R335-   20   38   3 Emergency call module loudspeaker -R335-   21   39   4     22   40   5 Control unit 1 for information electronics -J794-   23     41   6 Control unit 1 for information electronics -J794-   24   42   7     25     43   8     26     44   9 Left front microphone -R140-   27     45   10 Left front microphone -R140-   28     46   11 Control unit 1 for information electronics -J794-   29     47   12 Control unit 1 for information electronics -J794-   30     48   13 Control unit 1 for information electronics -J794-   31   49   14 Airbag control unit -J234-   32     50   15     33     51   16   34     52   17     35     53   18     36     54 Shield Back to overview . AUDI A4 2016 Fitting location, fuel pump control unit J538 Fitting location, fuel pump control unit -J538- Fitting location Under rear seat bench, on fuel tank. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Fuel pump control unit -J538- A -  6-pin connector -T6bl- , black Connector assignment, fuel pump control unit -J538-     -T6bl- (A) Designation 1 Fuel system pressurisation pump -G6- 2 Fuel system pressurisation pump -G6- 3 Fuel system pressurisation pump -G6- 4 Terminal 31 5 Terminal 87 6 Engine control unit -J623- Back to overview . AUDI A4 2016 Fitting location, control unit for electronic steering column lock J764 Fitting location, control unit for electronic steering column lock -J764-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.     Fitting location On steering column. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Control unit for electronic steering column lock -J764- A -  4-pin connector -T4x- , black AUDI A4 2016 Fitting location Running gear control unit J775 Fitting location Running gear control unit -J775- Fitting location Under centre console at front on centre tunnel https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Running gear control unit -J775- A -  81-pin connector -T81- , black Connector assignment of running gear control unit -J775- -T81- (A) Designation -T81- (A) Designation   -T81- (A) Designation 1 Terminal 30 28     55   2     29     56   3     30   57   4     31 Front right vehicle level sender -G289- 58   5 Terminal 31   32 Rear left vehicle level sender -G76-   59   6     33   60   7     34 Front right vehicle level sender -G289-   61   8     35     62 Terminal 15 9 Front left vehicle level sender -G78-   36     63 Front camera for driver assist systems -R242- / FlexRay bus or steering column electronics control unit -J527- / FlexRay bus 10 Front left vehicle level sender -G78-   37     64 Front camera for driver assist systems -R242- / FlexRay bus or steering column electronics control unit -J527- / FlexRay bus 11 Front left vehicle level sender -G78-   38     65   12 Front right vehicle level sender -G289-   39     66   13 Rear left vehicle level sender -G76-   40     67   14 Rear left vehicle level sender -G76-   41     68 Rear right shock absorber damping adjustment valve -N339- 15     42     69 Rear right shock absorber damping adjustment valve -N339- 16   43     70   17 Rear right vehicle level sender -G77-   44 Data bus diagnostic interface -J533- / FlexRay bus   71   18 Rear right vehicle level sender -G77-   45 Data bus diagnostic interface -J533- / FlexRay bus   72 Rear left shock absorber damping adjustment valve -N338- 19 Rear right vehicle level sender -G77-   46     73 Rear left shock absorber damping adjustment valve -N338- 20     47     74   21     48     75   22     49   76 Front right shock absorber damping adjustment valve -N337- 23     50     77 Front right shock absorber damping adjustment valve -N337- 24     51     78   25   52     79   26     53     80 Front left shock absorber damping adjustment valve -N336- 27     54   81 Front left shock absorber damping adjustment valve -N336- Back to overview . AUDI A4 2016 Fitting location, control unit 1 for information electronics J794 Fitting location, control unit 1 for information electronics -J794-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.     Fitting location In glove compartment. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Control unit 1 for information electronics -J794- A -  2-pin connector -T2zia- , blue B -  2-pin connector -T2dna- , black q   According to equipment B -  2-pin connector -T2dnb- , brown q   According to equipment C -  4-pin connector -T4aw- , white D -  4-pin connector -T4ae- , purple E -  4-pin connector -T4fa- , yellow F -  2-pin connector -T2dw- , black G -  12-pin connector -T12m- , green H -  12-pin connector -T12n- , grey I -  8-pin connector -T8t- , black J -  8-pin connector -T8p- , brown K -  12-pin connector -T12l- , blue L -  Terminal block Back to overview .     AUDI A4 2016 Fitting location Main beam assist control unit J844 Fitting location Main beam assist control unit -J844- Fitting location On interior mirror. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Main beam assist control unit -J844- A -  8-pin connector -T8o- , black Connector assignment of main beam assist control unit -J844- -T8o- (A) Designation   -T8o- (A) Designation 1 Terminal 15 5   2 Terminal 31 6   3 Extended CAN bus, high 7 LIN bus 4   8 Extended CAN bus, low Back to overview . AUDI A4 2016 Fitting location, control units for front belt tensioners -J854- / -J855- Fitting location On belt retractor in B-pillar https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Control units for front belt tensioners -J854- /-J855- A -  5-pin connector -T5s- /-T5t- , translucent q   5-pin connector -T5s- on control unit for front left belt tensioner -J854- q   5-pin connector -T5t- on control unit for front right belt tensioner -J855- Connector assignment of control unit for front belt tensioner -J854- /-J855- -T5s- (A) Designation   -T5t- (A) Designation 1   1 2 Extended CAN bus, low 2 Extended CAN bus, low 3 Extended CAN bus, high 3 Extended CAN bus, high 4 Terminal 30 4 Terminal 30 5 Terminal 31 5 Terminal 31 Back to overview . AUDI A4 2016 Fitting location, Control unit for fuel tank leak detection J909 Fitting location, Control unit for fuel tank leak detection -J909- Fitting location On fuel tank. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Control unit for fuel tank leak detection -J909- A -  5-pin connector -T5sm- , black Connector assignment of fuel tank leak diagnosis control unit -J909-     -T5sm- (A) Designation 1 Tank pressure sensor -G400- 2 Engine control unit -J623- 3 Engine control unit -J623- 4 Terminal 30 5 Tank pressure sensor -G400- Back to overview . AUDI A4 2016 Fitting location Rear driver side door control unit J926 Fitting location Rear driver side door control unit -J926-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.     Fitting location in rear driver side door. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Türsteuergerät hinten Fahrerseite -J926- A -  6-pin connector -T6ao- , brown B -  16-pin connector -T16h- , black C -  20-pin connector -T20hl- , white D -  6-pin connector -T6hl- , black Connector assignment of rear driver side door control unit -J926- -T6ao- (A) Designation   -T16h- (B) Designation 1 Rear driver side door exit warning light -W113-   1 Light for rear driver side interior door handle illumination -L221- 2     2 Terminal 58s 3     3 Light for rear driver side door ambient lighting -W88- 4     4 5     5 6     6     7     8     9 Rear driver side window regulator button -E711-     10 Rear driver side interior locking button for central locking system -E717-     11 Rear driver side interior locking button for central locking system -E717-     12 Rear driver side entry light -W83-     13 Terminal 31     14     15     16 -T20hl- (C) Designation   -T6hl- (D) Designation 1 Light for rear driver side exterior door handle illumination -L285-   1   2     2   3     3 Rear driver side window regulator motor -V471- 4 Rear left door lock unit -VX23-1) Rear right door lock unit -VX24-2)   4   5 Rear left door lock unit -VX23-1) Rear right door lock unit -VX24-2)   5   6 Rear left door lock unit -VX23-1) Rear right door lock unit -VX24-2)   6 Rear driver side window regulator motor -V471- 7       8       9 Rear left door lock unit -VX23-1) Rear right door lock unit -VX24-2)       10 LIN bus     11 Rear left door lock unit -VX23-1) Rear right door lock unit -VX24-2)     12 Rear left door lock unit -VX23-1) Rear right door lock unit -VX24-2)       13 Rear left door lock unit -VX23-1) Rear right door lock unit -VX24-2)       14     15       16       17       18       19 Terminal 30       20 Terminal 31   1) only on left-hand drive models 2) only on right-hand drive models Back to overview . AUDI A4 2016 Fitting location Rear passenger side door control unit J927 Fitting location Rear passenger side door control unit -J927-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.     Fitting location in rear passenger side door. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Rear passenger side door control unit -J927- A -  6-pin connector -T6ap- , brown B -  16-pin connector -T16i- , black C -  20-pin connector -T20hr- , white D -  6-pin connector -T6hr- , black Connector assignment of rear passenger side door control unit -J927- -T6ap- (A) Designation   -T16i- (B) Designation 1 Rear passenger side door exit warning light -W114-   1 Light for rear passenger side interior door handle illumination -L222- 2     2 Terminal 58s 3     3 Light for rear passenger side door ambient lighting -W89- 4     4 5     5 6     6     7     8     9 Rear passenger side window regulator button -E713-     10 Rear passenger side interior locking button for central locking system -E718-     11 Rear passenger side interior locking button for central locking system -E718-     12 Rear passenger side entry light -W84-     13 Terminal 31     14     15     16 -T20hr- (C) Designation   -T6hr- (D) Designation 1 Light for rear passenger side exterior door handle illumination -L286-   1   2     2   3     3 Rear passenger side window regulator motor -V472- 4 Rear right door lock unit -VX24-1) Rear left door lock unit -VX23-2)   4   5 Rear right door lock unit -VX24-1) Rear left door lock unit -VX23-2)   5   6 Rear right door lock unit -VX24-1) Rear left door lock unit -VX23-2)   6 Rear passenger side window regulator motor -V472- 7       8       9 Rear right door lock unit -VX24-1) Rear left door lock unit -VX23-2)       10 LIN bus     11 Rear right door lock unit -VX24-1) Rear left door lock unit -VX23-2)     12 Rear right door lock unit -VX24-1) Rear left door lock unit -VX23-2)   13 Rear right door lock unit -VX24-1) Rear left door lock unit -VX23-2)       14       15       16       17     18       19 Terminal 30       20 Terminal 31   1) only on left-hand drive models 2) only on right-hand drive models Back to overview . AUDI A4 2016 Fitting location, front camera for driver assist systems R242 Fitting location, front camera for driver assist systems -R242- Fitting location Near interior mirror. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Front camera for driver assist systems -R242- A -  12-pin connector -T12k- , black Fitting location, front camera for driver assist systems -R242- -T12k- (A) Designation   -T12k- (A) Designation 1 Onboard supply control unit CAN bus, low   7 Onboard supply control unit CAN bus, high 2 Data bus line (FlexRay bus)   8 Data bus line (FlexRay bus) 3 Data bus line (FlexRay bus)   9 Data bus line (FlexRay bus) 4     10 5 Terminal 31   11   6 Terminal 15   12   Back to overview . AUDI A4 2016 Fitting location, fresh air blower control unit J126 Fitting location, fresh air blower control unit -J126-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.     Fitting location Behind the glove component on front heater and air conditioner unit. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Fresh air blower control unit -J126- A -  4-pin connector -T4bc- , black Connector assignment, fresh air blower control unit -J126-     -T4bc- (A) Designation 1 Terminal 31 2   3 Terminal 30 4 LIN bus Back to overview .     AUDI A4 2016 Fitting location, control unit for NOx sender 2 J881 Fitting location, control unit for NOx sender 2 -J881- Fitting location On underbody. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 2 -  Control unit for NOx sender 2 -J881- B -  5-pin connector -T5x- , black Connector assignment, control unit for NOx sender 2 -J881-     -T5x- (B) Designation 1 Terminal 87 2 Terminal 31 3 Powertrain CAN bus, low 4 Powertrain CAN bus, high 5 Terminal 31 Back to overview .     AUDI A4 2016 Fitting location of particle sensor G784 Fitting location of particle sensor -G784- Fitting location On underbody. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Particle sensor -G784- A -  4-pin connector -T4s- , black Connector assignment particle sensor -G784-     -T4s- (A) Designation 1 Terminal 31 2 Powertrain CAN bus, low 3 Powertrain CAN bus, high 4 Terminal 87 Back to overview . AUDI A4 2016 Control unit for heads-up display J898 Control unit for heads-up display -J898-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed. Fitting location In driver side dash panel.     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Control unit for heads-up display -J898- A -  10-pin connector -T10d- , black Connector assignment for control unit for heads-up display -J898-     -T10d- (A) Designation 1 Infotainment CAN bus, high 2 Infotainment CAN bus, low 3   4   5 Terminal 30 6   7   8   9   10 Terminal 31 Back to overview . AUDI A4 2016 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 in centre of dash panel.     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Display unit for front information display and operating unit control unit -J685- A -  9-pin connector -T9a- , black q   Only for MMI with radio A -  9-pin connector -T9b- , blau q   for MMI Navigation plus only Back to overview . AUDI A4 2016 Active steering control unit J792 Active steering control unit -J792-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed. Fitting location In driver footwell     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Active steering control unit -J792- A -  30-pin connector -T30- , black Connector assignment, active steering control unit -J792- -T30- (A) Designation   -T30- (A) Designation 1 Terminal 15   16   2     17   3 Data bus line (FlexRay bus)   18 Data bus line (FlexRay bus) 4 Data bus line (FlexRay bus)   19 Data bus line (FlexRay bus) 5     20   6 Active steering motor -V477-   21 Active steering motor -V477- 7   22   8 Active steering motor -V477- 23 Active steering motor -V477- 9 Active steering motor -V477- 24 Active steering motor -V477- 10 Active steering motor -V477- 25   11   26 Active steering motor -V477- 12   27 Terminal 30 13 Terminal 31 28   14 Active steering motor -V477- 29 Shield 15 Active steering motor -V477- 30 Active steering motor -V477- Back to overview . AUDI A4 2016 Overview of control units in rear part of vehicle Overview of control units in rear part of vehicle https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment AUDI A4 2016 Fitting location, trailer detector control unit J345 Fitting location, trailer detector control unit -J345- Fitting location on left in luggage compartment, behind the side trim. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Trailer detector control unit -J345- A -  24-pin connector -T24- , black B -  6-pin connector -T6e- , black C -  10-pin connector -T10i- , black D -  10-pin connector -T10k- , red . AUDI A4 2016 Fitting location, convenience system central control unit J393 Fitting location, convenience system central control unit -J393- Fitting location In left of luggage compartment, behind side trim. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Convenience system central control unit -J393- A -  17-pin connector -T17a- (connector A), brown B -  32-pin connector -T32c- (connector C), black C -  17-pin connector -T17b- (connector B), black D -  20-pin connector -T20e- (connector E), black E -  32-pin connector -T32d- (connector D), blue . AUDI A4 2016 Fitting location, all-wheel drive control unit J492 Fitting location, all-wheel drive control unit -J492- Fitting location In luggage compartment. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  All-wheel drive control unit -J492- A -  47-pin connector -T47a- , black . AUDI A4 2016 Fitting location, digital sound package control unit J525 Fitting location, digital sound package control unit -J525- Fitting location, digital sound package control unit -J525- , premium sound Fitting location At the rear left of the luggage compartment. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Digital sound package control unit -J525- A -  38-pin connector -T38- , black B -  2-pin connector -T2vb- , black q   MOST bus . Fitting location, garage door operation control unit -J530- Fitting location on centre left behind rear bumper cover. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Garage door operation control unit -J530- A -  5-pin connector -T5ao- , black .     AUDI A4 2016 Fitting location, rear lid control unit J605 Fitting location, rear lid control unit -J605- Fitting location At rear centre on roof cross member under roof edge trim. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Rear lid control unit -J605- A -  10-pin connector -T10q- , black B -  32-pin connector -T32e- , black . AUDI A4 2016 Fitting location, lane change assist control unit J769 Fitting location, lane change assist control unit -J769- Fitting location on right behind rear bumper cover. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Lane change assist control unit -J769- A -  8-pin connector -T8j- , black . AUDI A4 2016 Fitting location, lane change assist control unit 2 J770 Fitting location, lane change assist control unit 2 -J770- Fitting location on left behind rear bumper cover. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Lane change assist control unit 2 -J770- A -  8-pin connector -T8q- , black . AUDI A4 2016 Fitting location Reversing camera system control unit J772 Fitting location Reversing camera system control unit -J772- Fitting location in rear lid button handle. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Reversing camera system control unit -J772- A -  8-pin connector -T8k- , black B -  2-pin connector -T2z- , grey q   to control unit for information electronics 1 -J794- . AUDI A4 2016 Fitting location, reducing agent metering system control unit J880 Fitting location, reducing agent metering system control unit -J880- Fitting location On reducing agent tank. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Control unit for reducing agent metering system -J880- A -  46-pin connector -T46a- , black . AUDI A4 2016 Fitting location Control unit for overhead view camera J928 Fitting location Control unit for overhead view camera -J928- Fitting location on left in luggage compartment, behind the side trim. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Control unit for overhead view camera -J928- A -  18-pin connector -T18a- , black B -  5-pin connector -T5o- , brown q   to control unit for information electronics 1 -J794- C -  5-pin connector -T5i- , green q   to left overhead view camera -R244- D -  5-pin connector -T5k- , black q   to right overhead view camera -R245- E -  5-pin connector -T5m- , white q   to front overhead view camera -R243- F -  5-pin connector -T5n- , blue q   to rear overhead view camera -R246- . AUDI A4 2016 Fitting location, rear lid power opening control unit J938 Fitting location, rear lid power opening control unit -J938- Fitting location on centre left at bottom on rear bumper cover. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Rear lid power opening control unit -J938- A -  4-pin connector -T4bs- , black B -  5-pin connector -T5bd- , black . AUDI A4 2016 Fitting location, remote control receiver for auxiliary heater R64 Fitting location, remote control receiver for auxiliary heater -R64- Fitting location on right in luggage compartment, behind the side trim. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Remote control receiver for auxiliary heater -R64- A -  2-pin connector -T2dc- , translucent q   from auxiliary heater aerial -R182- in roof aerial -R216- B -  6-pin connector -T6y- , blue .     AUDI A4 2016 Fitting location TV tuner R78 Fitting location TV tuner -R78- Fitting location on right in luggage compartment, behind the side trim. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  TV tuner -R78- A -  12-pin connector -T12d- , black B -  2-pin connector -T2ea- , black q   MOST bus C -  4-pin connector -T4tv- , green D -  2-pin connector -T2tv- , brown . AUDI A4 2016 Fitting location, aerial amplifier for mobile telephone R86 Fitting location, aerial amplifier for mobile telephone -R86- Fitting location on right in luggage compartment, behind the side trim. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Aerial amplifier for mobile telephone -R86- A -  2-pin connector -T2hw- , purple q   from GSM aerial -R205- B -  4-pin connector -T4br- , black C -  2-pin connector -T2hv- , black q   to telephone bracket -R126- .     AUDI A4 2016 Fitting location, battery monitor control unit J367 Fitting location, battery monitor control unit -J367- Fitting location At negative terminal of battery -A- . https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Battery monitor control unit -J367- A -  2-pin connector -T2x- , black .     AUDI A4 2016 Coupling point at top of engine -TMO- / coupling point at left in engine compartment -TML- / coupling point at centre in engine compartment -TMM- / coupling point in engine compartment -TM- Coupling point in engine compartment -TM- / coupling point at left in engine compartment -TML- / coupling point at centre of engine compartment -TMM- / coupling point at top of engine compartment -TMO- , 2.0 l petrol engine https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  8-pin connector -T8g- , black/ 8-pin connector -T8gx- , black B -  8-pin connector -T8f- , black/ 8-pin connector -T8fx- , black C -  14-pin connector -T14b- , black/ 14-pin connector -T14bx- , black D -  14-pin connector -T14a- , black/ 14-pin connector -T14ax- , black Coupling point at left in engine compartment -TML- , 1.4 l petrol engine or 2.0 l diesel engine https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  14-pin connector -T14a- , black/ 14-pin connector -T14ax- , black q   only with 1.4 l petrol engine q   only with 2.0 l diesel engine B -  14-pin connector -T14c- , black/ 14-pin connector -T14cx- , black q   only with 2.0 l diesel engine Coupling point at left in engine compartment -TML- , 3.0 l diesel engine https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  14-pin connector -T14a- , black/ 14-pin connector -T14ax- , black B -  14-pin connector -T14c- , black/ 14-pin connector -T14cx- , black Coupling point at left in engine compartment -TMM- , 3.0 l diesel engine https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  6-pin connector -T6m- , black/ 6-pin connector -T6mx- , black B -  10-pin connector -T10f- , black/ 10-pin connector -T10fx- , black Coupling point in engine compartment, right -TMR- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  Single-pin connector -T1f- , black/ single-pin connector -T1fx- , black B -  3-pin connector -T3u- , black/ 3-pin connector -T3ux- , black C -  2-pin connector -T2mr- , black/ 2-pin connector -T2mrx- , black Coupling point on front left door -TTVL- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  28-pin connector -T28a- , black/ 28-pin connector -T28ax- , black Coupling point on front right door -TTVR- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  28-pin connector -T28b- , black/ 28-pin connector -T28bx- , black Coupling point on rear left door -TTHL- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  19-pin connector -T19a- , black/ 19-pin connector -T19ax- , black Coupling point on rear right door -TTHR- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  19-pin connector -T19b- , black/ 19-pin connector -T19bx- , black Coupling point on left A-pillar, bottom -TALU- Coupling point on left A-pillar, bottom -TALU- , left-hand drive models https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  17-pin connector -T17h- , white/ 17-pin connector -T17hx- , white B -  17-pin connector -T17f- , red/ 17-pin connector -T17fx- , red C -  17-pin connector -T17g- , blue/ 17-pin connector -T17gx- , blue D -  17-pin connector -T17i- , green/ 17-pin connector -T17ix- , green E -  2-pin connector -T2ac- , blue/ 2-pin connector -T2acx- , blue F -  2-pin connector G -  5-pin connector -T5u- , white/ 5-pin connector -T5ux- , white H -  6-pin connector -T6aq- , green/ 6-pin connector -T6aqx- , green Coupling point on left A-pillar, bottom -TALU- , right-hand drive models https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  2-pin connector B -  5-pin connector -T5u- , white/ 5-pin connector -T5ux- , white C -  2-pin connector -T2ac- , blue/ 2-pin connector -T2acx- , blue D -  17-pin connector -T17g- , blue/ 17-pin connector -T17gx- , blue E -  17-pin connector -T17f- , red/ 17-pin connector -T17fx- , red F -  17-pin connector -T17h- , white/ 17-pin connector -T17hx- , white G -  17-pin connector -T17i- , green/ 17-pin connector -T17ix- , green Coupling point right A-pillar, bottom -TARU- Coupling point on right A-pillar, bottom -TARU- , left-hand drive models https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  2-pin connector , purple B -  2-pin connector -T2dr- , black/ 2-pin connector -T2drx- , black C -  2-pin connector , blue D -  2-pin connector -T2ds- , brown/ 2-pin connector -T2dsx- , brown E -  4-pin connector -T4am- , white/ 4-pin connector -T4amx- , white F -  17-pin connector -T17k- , black/ 17-pin connector -T17kx- , black Coupling point on right A-pillar, bottom -TARU- , right-hand drive models https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  2-pin connector , purple B -  2-pin connector -T2dr- , black/ 2-pin connector -T2drx- , black C -  2-pin connector , blue D -  6-pin connector -T6aq- , green/ 6-pin connector -T6aqx- , green E -  4-pin connector -T4am- , white/ 4-pin connector -T4amx- , white F -  17-pin connector -T17k- , black/ 17-pin connector -T17kx- , black Coupling point in interior, centre -TIM- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  2-pin connector -T2dz- , black/ 2-pin connector -T2dzx- , black B -  10-pin connector -T10m- , black/ 10-pin connector -T10mx- , black C -  2-pin connector -T2dk- , purple/ 2-pin connector -T2dkx- , purple Coupling point on front left bumper -TSFVL- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  8-pin connector -T8d- , black/ 8-pin connector -T8dx- , black Coupling point in luggage compartment, left -THRL- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  16-pin connector -T16c- , brown/ 16-pin connector -T16cx- , brown B -  Single-pin connector -T1a- , black/ single-pin connector -T1ax- , black Coupling point for front left seat -TSVL- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  4-pin connector -T4sl- , black/4-pin connector -T4slx- , black B -  10-pin connector -T10l- , black/ 10-pin connector -T10lx- , black C -  3-pin connector -T3o- , yellow/ 3-pin connector -T3ox- , yellow D -  6-pin connector -T6s- , green/ 6-pin connector -T6sx- , green E -  17-pin connector -T17d- , red/ 17-pin connector -T17dx- , red Coupling point for front right seat -TSVR- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  6-pin connector -T6t- , green/ 6-pin connector -T6tx- , green B -  17-pin connector -T17e- , red/ 17-pin connector -T17ex- , red C -  3-pin connector -T3p- , yellow/ 3-pin connector -T3px- , yellow D -  10-pin connector -T10r- , black/ 10-pin connector -T10rx- , black E -  4-pin connector -T4sr- , black/4-pin connector -T4srx- , black Coupling point for fuel tank -TAK- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  6-pin connector -T6le- , green/ 6-pin connector -T6lex- , green Coupling point for roof -TH- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  8-pin connector , black/ 8-pin connector , black Coupling point on dash panel -TCP-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  10-pin connector -T10b- , black/ 10-pin connector -T10bx- , black Coupling point for glove compartment wiring harness -TLH-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  12-pin connector -T12h- , black/ 12-pin connector -T12hx- , black Coupling point for rear left seat -TSHL- / coupling point for rear right seat -TSHR- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car A -  6-pin connector -T6ar- , green/ 6-pin connector -T6arx- , green B -  6-pin connector -T6as- , green/ 6-pin connector -T6asx- , green AUDI A4 2016 Overview of earth points

Overview of earth points

764	Earth point in front left wheel housing

q	Specified torque: 9 Nm

671	Earth point 1, on front left longitudinal member

q	Specified torque: 9 Nm

13	Earth point, on right in engine compartment

q	Specified torque: 20 Nm

685	Earth point 1 on front longitudinal member, right

q	Specified torque: 20 Nm

686	Earth point 2 on front longitudinal member, right

q	Specified torque: 20 Nm

828	Earth point on right suspension turret

q	Specified torque: 9 Nm

608	Earth point, central in plenum chamber

q	Specified torque: 9 Nm

34	Earth point, under driver seat

q	Specified torque: 9 Nm

47	Earth point in front right footwell

q	Specified torque: 9 Nm

687	Earth point 1 on centre tunnel

q	Specified torque: 9 Nm

758	Earth point 3 on centre tunnel

q	Specified torque: 9 Nm

688	Earth point 2 on centre tunnel

q	Specified torque: 9 Nm

704	Earth point 2, under driver seat

q	Specified torque: 9 Nm

602	Earth point in front left footwell

q	Specified torque: 9 Nm

730	Earth point 1 on rear right wheel housing

q	Specified torque: 9 Nm

666	Earth point on rear right of roof

q	Specified torque: 9 Nm

667	Earth point, on rear left of roof

q	Specified torque: 9 Nm

61	Earth point, left C-pillar

q	Specified torque: 9 Nm

50	Earth point, on left in luggage compartment

q	Specified torque: 9 Nm

51	Earth point, on right in luggage compartment

q	Specified torque: 9 Nm

624	Earth point next to starter battery

q	Specified torque: 9 Nm

52	Earth point, on left in rear lid

q	Specified torque: 9 Nm

53	Earth point on right in rear lid

q	Specified torque: 9 Nm

AUDI A4 2016 Overview of control units in front part of vehicle

Overview of control units in front part of vehicle

q	Connector assignment

q	Connector assignment

q	Fitting location for right-hand drive models laterally reversed

q	Connector assignment

q	Connector assignment

q	Fitting location, 315-pin

q	Fitting location for right-hand drive models laterally reversed

q	Connector assignment, left-hand drive

q	Connector assignment, right-hand drive

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment with 800 watt or 1200 watt radiator fan

q	Installation location with 800 watt or 1200 watt radiator fan

q	Connector assignment with 400 watt or 600 watt radiator fan

q	Connector assignment with 800 watt or 1200 watt radiator fan

q	Connector assignment

AUDI A4 2016

Fitting location, control units on headlight -MX1- / -MX2-

Fitting location

At front of vehicle.

1 -	Output module 1 for left LED headlight -A31- / output module 1 for right LED headlight -A27-

2 -	Left light control unit -J1018- / right light control unit -J1023-

A -	14-pin connector -T14l- / -T14r- , black

q	Left headlight: -T14l-

q	Right headlight: -T14r-

Back to overview .

AUDI A4 2016 Fitting location, ABS control unit J104

Fitting location, ABS control unit -J104-

Fitting location

In left of engine compartment.

1 -	ABS control unit -J104-

A -	46-pin connector -T46- , black

Connector assignment, ABS control unit -J104-

-T46- (A)	Designation		-T46- (A)	Designation
1	Terminal 30		24	Front left speed sensor -G47-
2	Right parking brake motor -V283-		25	Electromechanical parking brake warning lamp -K213-
3	Right parking brake motor -V283-		26	Front right speed sensor -G45-
4	Terminal 30		27
5			28	Engine control unit -J623- / data bus line (FlexRay bus)
6			29
7	Front left speed sensor -G47-		30	Terminal 30
8			31	Electromechanical parking brake button -E538-
9			32	Electromechanical parking brake button -E538-
10			33
11			34	Clutch position sender -G476-
12	Left parking brake motor -V282-		35
13	Left parking brake motor -V282-		36	Terminal 15
14	Terminal 31		37	Rear right speed sensor -G44-
15	Electromechanical parking brake button -E538-		38
16	Electromechanical parking brake button -E538-		39	Rear left speed sensor -G46-
17			40	Vacuum sender -G608-
18			41	Vacuum sender -G608-
19			42
20			43
21	Front right speed sensor -G45-		44	Engine control unit -J623- / data bus line (FlexRay bus)
22	Rear right speed sensor -G44-		45	Vacuum sender -G608-
23	Rear left speed sensor -G46-		46	Terminal 31

Back to overview .

AUDI A4 2016 Fitting location automatic glow period control unit J179

Fitting location automatic glow period control unit -J179-

Fitting location

At centre in plenum chamber.

1 -	Automatic glow period control unit -J179-

A -	11-pin connector -T11a- , black

Connector assignment of automatic glow period control unit -J179-

-T11a- (A)	Designation		-T11a- (A)	Designation
1	Glow plug 1 -Q10-		7	Terminal 31
2	Glow plug 2 -Q11-		8	Glow plug 6 -Q15-
3	Glow plug 3 -Q12-		9
4	Glow plug 4 -Q13-		10	Engine control unit -J623-
5	Glow plug 5 -Q14-		11	Terminal 30
6	B353 Positive connection 4 (87a) in main wiring harness

Back to overview .

AUDI A4 2016 Fitting location, radiator fan control unit

Fitting location, radiator fan control unit

Fitting location, radiator fan control unit -J293- , 400 watt or 600 watt

Fitting location

On radiator.

1 -	Radiator fan control unit -J293-

A -	4-pin connector -T4bi- , black

Connector assignment, radiator fan control unit -J293- , 400 watt or 600 watt

-T4bi- (A)	Designation
1	Terminal 30
2	Relay and fuse carrier 1 -SR1- , fuse carrier 1 -ST1-
3	Engine control unit -J623-
4	Terminal 31

Back to overview .

Fitting location, radiator fan control unit -J293- / -J671- , 800 watt or 1200 watt

Fitting location

On radiator.

1 -	Radiator fan control unit 2 -J671-

2 -	Radiator fan control unit -J293-

A -	4-pin connector -T4bk- , black

B -	4-pin connector -T4bi- , black

.

Fitting location, auxiliary heater control unit -J364-

Fitting location

In front right wheel housing on side member.

1 -	Auxiliary heater control unit -J364-

A -	6-pin connector -T6z- , black

B -	2-pin connector -T2da- , brown

C -	3-pin connector -T3au- , black

Connector assignment, auxiliary heater control unit -J364-

-T6z- (A)	Designation		-T2da- (B)	Designation
1	B670 Connection 3 (CAN bus extended, high) in main wiring harness		1	Terminal 30
2	B671 Connection 3 (CAN bus extended, low) in main wiring harness		2	Terminal 31
3	Heater coolant shut-off valve -N279-
4	Metering pump -V54-
5	Terminal 31
6	Remote control receiver for auxiliary heater -R64-

Back to overview .

AUDI A4 2016 Fitting location, control unit for wiper motor J400 Fitting location, control unit for wiper motor -J400-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed in plenum chamber. The connector assignment is also different .

Fitting location

On left in plenum chamber.

1 -	Wiper motor control unit -J400-

A -	4-pin connector -T4fr- , black

Connector assignment, right-hand drive, wiper motor control unit -J400-

-T4fr- (A)	Designation
1	Terminal 30
2	Terminal 31
3
4	Data bus line (LIN bus)

Back to overview .

AUDI A4 2016 Fitting location, adaptive cruise control unit J428

Fitting location, adaptive cruise control unit -J428-

Fitting location

Behind front bumper on right

1 -	Adaptive cruise control unit -J428-

A -	8-pin connector -T8r- , black

Connector assignment of adaptive cruise control unit -J428-

-T8r- (A)	Designation
1	Terminal 31
2
3
4
5	Control unit 2 for adaptive cruise control -J850- / data bus line (FlexRay bus)
6	Control unit 2 for adaptive cruise control -J850- / data bus line (FlexRay bus)
7
8	Terminal 15

Back to overview .

AUDI A4 2016 Fitting location, power steering control unit J500

Fitting location, power steering control unit -J500-

Fitting location

On steering box.

1 -	Power steering control unit -J500-

A -	6-pin connector -T6f- , brown

B -	5-pin connector -T5bf- , black

q	to steering moment sender -G269-

C -	2-pin connector -T2el- , black

Connector assignment, power steering control unit -J500-

-T6f- (B)	Designation		-T2el- (C)	Designation
1	Terminal 15		1	Terminal 30
2			2	Terminal 31
3	Data bus line (FlexRay bus)
4
5	Data bus line (FlexRay bus)
6

Back to overview .

AUDI A4 2016 Fitting location NOx sensor control unit J583

Fitting location NOx sensor control unit -J583-

Fitting location

Near front end.

1 -	NOx sensor control unit -J583-

A -	5-pin connector -T5w- , black

Connector assignment for NOx sensor control unit -J583-

-T5w- (A)	Designation
1	Terminal 87
2	Terminal 31
3	Powertrain CAN bus, low
4	Powertrain CAN bus, high
5

Back to overview .

AUDI A4 2016 Fitting location, engine control unit J623

Fitting location, engine control unit -J623-

Fitting location, engine control unit -J623- , 196-pin

Fitting location

In left of engine compartment.

1 -	Engine control unit -J623-

A -	105-pin connector -T105- , black

B -	91-pin connector -T91- , black

Back to overview .

Fitting location, engine control unit -J623- , 315-pin

Fitting location

In left of engine compartment.

1 -	Engine control unit -J623-

A -	56-pin connector -T56a- , black

B -	56-pin connector -T56b- , black

C -	56-pin connector -T56c- , black

D -	56-pin connector -T56d- , black

E -	91-pin connector -T91- , black

Back to overview .

Fitting location, control unit 2 for adaptive cruise control -J850-

Fitting location

Behind front bumper on left.

1 -	Control unit 2 for adaptive cruise control -J850-

A -	8-pin connector -T8s- , black

Connector assignment of control unit 2 for adaptive cruise control -J850-

-T8s- (A)	Designation
1	Terminal 31
2	Control unit for adaptive cruise control -J428- / data bus line (FlexRay bus)
3	Control unit for adaptive cruise control -J428- / data bus line (FlexRay bus)
4
5	Data bus diagnostic interface -J533- / data bus line (FlexRay bus)
6	Data bus diagnostic interface -J533- / data bus line (FlexRay bus)
7
8	Terminal 15

Back to overview . AUDI A4 2016 Fitting location, control unit for structure-borne sound J869 Fitting location, control unit for structure-borne sound -J869-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.

Fitting location

in plenum chamber.

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

A -	6-pin connector -T6i- , black

Back to overview .

AUDI A4 2016 Mechatronic unit for dual clutch gearbox J743

Mechatronic unit for dual clutch gearbox -J743-

Mechatronic unit for dual clutch gearbox -J743- (7-speed dual clutch gearbox)

Fitting location

On gearbox.

1 -	Mechatronic unit for dual clutch gearbox -J743-

A -	23-pin connector -T23- , black

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

-T23- (A)	Designation		-T23- (A)	Designation
1	Terminal 30		13
2	Terminal 31		14	Data bus diagnostic interface -J533- / data bus line (FlexRay bus)
3			15	Power steering control unit -J500- / data bus line (FlexRay bus)
4			16	Data bus diagnostic interface -J533- / data bus line (FlexRay bus)
5			17	Power steering control unit -J500- / data bus line (FlexRay bus)
6	Auxiliary hydraulic pump 1 for gearbox oil -V475-		18
7	Engine control unit -J623-		19
8			20	Terminal 15
9	Auxiliary hydraulic pump 1 for gearbox oil -V475-		21
10			22
11			23
12

Back to overview .

AUDI A4 2016 Automatic gearbox control unit J217

Automatic gearbox control unit -J217-

Fitting location

On gearbox.

1 -	Automatic gearbox control unit -J217-

A -	16-pin connector -T16a- , black

Connector assignment of automatic gearbox control unit -J217-

-T16a- (A)	Designation		-T16a- (A)	Designation
1	Engine control unit -J623-		9	Terminal 15
2			10
3	Data bus diagnostic interface -J533- / data bus line (FlexRay bus)		11
4	Data bus diagnostic interface -J533- / data bus line (FlexRay bus)		12
5	Power steering control unit -J500- / data bus line (FlexRay bus)		13	Terminal 30
6	Power steering control unit -J500- / data bus line (FlexRay bus)		14	Terminal 31
7			15
8			16

Back to overview .

AUDI A4 2016 Overview of relay carriers

Overview of relay carriers

Relay and fuse carrier 2 -SR2-

t	Heated rear window relay -J9-

q	Fitting location and relay slot assignment

2 -

Ignore

3 -

Ignore

Relay and fuse carrier 1 -SR1-

t	Main relay -J271-

t	Engine component current supply relay -J757-

t	Terminal 15 voltage supply relay -J329-

q	Fitting location and position of relays, left-hand drive

q	Fitting location and position of relays, right-hand drive

7 -

Ignore

AUDI A4 2016 Fitting location, relay and fuse carrier 4 SR4

Fitting location, relay and fuse carrier 4 -SR4-

1 -	Relay and fuse carrier 4 -SR4-

A -

Ignore

B -

Ignore

R1 -	Low heat output relay -J359-

R2 -	High heat output relay -J360-

AUDI A4 2016 Fitting location, relay and fuse carrier 3 SR3

Fitting location, relay and fuse carrier 3 -SR3-

1 -	Relay and fuse carrier 3 -SR3-

R1.1 -

not assigned

R1.2 -

Ignore

R2 -	Starter relay 2 -J907-

R3 -	Starter relay 1 -J906-

AUDI A4 2016

Fitting location, relay and fuse carrier 1 -SR1- , left-hand drive models

1 -	Relay and fuse carrier 1 -SR1-

R1 -	Main relay -J271-

R2 -	Engine component current supply relay -J757-

R3 -	Terminal 15 voltage supply relay -J329-

AUDI A4 2016

Fitting location, relay and fuse carrier 1 -SR1- , right-hand drive models

1 -	Relay and fuse carrier 1 -SR1-

R1 -	Main relay -J271-

R2 -	Engine component current supply relay -J757-

R3 -	Terminal 15 voltage supply relay -J329-

AUDI A4 2016 Fitting location, relay and fuse carrier 2 SR2

Fitting location, relay and fuse carrier 2 -SR2-

R1 -	not assigned

R2 -	not assigned

R3 -	Heated rear window relay -J9-

R4.1 -

not assigned

R4.2 -

not assigned

R5 -	not assigned