AUDI A4 2016 – Airbag systems (US equipment) . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A4 2016 - Airbag coil connector and return ring with slip ring - Airbag control unit - Driver side airbag igniter - Igniter for exhaust valve for driver airbag - Fuses in fuse holder

A	Battery
F138	Airbag coil connector and return ring with slip ring
J234	Airbag control unit
J367	Battery monitor control unit
J527	Steering column electronics control unit
N95	Driver side airbag igniter
N253	Battery isolation igniter
N490	Igniter for exhaust valve for driver airbag
S	Fuses in fuse holder, on fuse holder, battery
SR1	Relay and fuse carrier 1
ST2	Fuse carrier 2, red
SB10	Fuse 10 on fuse holder B
T2bp	2-pin connector, yellow
T2bq	2-pin connector, yellow
T2x	2-pin connector, black
T2y	2-pin connector, yellow
T12f	12-pin connector, black
T16	16-pin connector, black
T17c	17-pin connector, yellow
T20	20-pin connector, yellow
T96	96-pin connector, yellow
U31	Diagnostic connection
*	see applicable current flow diagram for fuse assignment
*2	Earth supply via housing

Wiring Diagram AUDI A4 2016 - Driver side belt switch - Driver side seat position sensor - Airbag control unit - Front passenger airbag unit - Side airbag igniter on driver side

E24	Driver side belt switch
G553	Driver side seat position sensor
J234	Airbag control unit
NX3	Front passenger airbag unit
N131	Front passenger side airbag igniter 1
N132	Front passenger side airbag igniter 2
N199	Side airbag igniter on driver side
N491	Igniter for exhaust valve for front passenger airbag
T2bo	2-pin connector, yellow
T2br	2-pin connector, black
T2bs	2-pin connector, black
T2fe	2-pin connector, yellow
T3i	3-pin connector, yellow
T3m	3-pin connector, yellow
T3o	3-pin connector, yellow
T3ox	3-pin connector, yellow
T10l	10-pin connector, black
T10lx	10-pin connector, black
T20	20-pin connector, yellow
T96	96-pin connector, yellow
TSVL	Coupling point for front left seat
136	Earth connection 2, in seat heating wiring harness
367	Earth connection 2, in main wiring harness
380	Earth connection 15, in main wiring harness
*	Pre-wired component

Wiring Diagram AUDI A4 2016 - Front passenger side belt switch - Rear belt switch - front passenger side - Twin belt buckle - Front passenger side seat position sensor - Airbag control unit - Side airbag igniter on front passenger side

E25	Front passenger side belt switch
E258	Rear belt switch, driver side
E259	Rear belt switch, front passenger side
E609	Rear centre belt switch
FX4	Twin belt buckle
G554	Front passenger side seat position sensor
J234	Airbag control unit
N200	Side airbag igniter on front passenger side
T2bt	2-pin connector, black
T2bu	2-pin connector, black
T3n	3-pin connector, yellow
T3p	3-pin connector, yellow
T3px	3-pin connector, yellow
T4g	4-pin connector, black
T4h	4-pin connector, black
T10r	10-pin connector, black
T10rx	10-pin connector, black
T96	96-pin connector, yellow
TSVR	Coupling point for front right seat
96	Earth connection 1, in seat heating wiring harness
475	Earth connection (airbag), in main wiring harness
*	Pre-wired component

Wiring Diagram AUDI A4 2016 - Airbag control unit - Seat occupied recognition control unit

J234	Airbag control unit
J706	Seat occupied recognition control unit
T3at	3-pin connector, black
T6t	6-pin connector, green
T6tx	6-pin connector, green
T10r	10-pin connector, black
T10rx	10-pin connector, black
T10t	10-pin connector, black
T96	96-pin connector, yellow
TSVR	Coupling point for front right seat
Z8	Heated seat cushion for front passenger seat
35	Earth point, under front passenger seat
145	Earth connection 3, in seat heating wiring harness
366	Earth connection 1, in main wiring harness
368	Earth connection 3, in main wiring harness
378	Earth connection 13, in main wiring harness
B469	Connection 5, in main wiring harness
O13	Connection 2, in seat heating wiring harness
*	Wiring colour depends on equipment

Wiring Diagram AUDI A4 2016 - Rear side airbag crash sensor on driver side - Airbag control unit - Rear belt tensioner igniter on driver side - Rear belt tensioner igniter on front passenger side - Rear side airbag igniter on driver side - Rear side airbag igniter on front passenger side - Driver side curtain airbag igniter - Front passenger side curtain airbag igniter

G256	Rear side airbag crash sensor on driver side
J234	Airbag control unit
N196	Rear belt tensioner igniter on driver side
N197	Rear belt tensioner igniter on front passenger side
N201	Rear side airbag igniter on driver side
N202	Rear side airbag igniter on front passenger side
N251	Driver side curtain airbag igniter
N252	Front passenger side curtain airbag igniter
T2ba	2-pin connector, black
T2be	2-pin connector, yellow
T2bf	2-pin connector, yellow
T2bg	2-pin connector, yellow
T2bh	2-pin connector, yellow
T2bi	2-pin connector, yellow
T2bj	2-pin connector, yellow
T96	96-pin connector, yellow

Wiring Diagram AUDI A4 2016 - Rear side airbag crash sensor on front passenger side - Driver side belt force limiter - Airbag control unit - Front left seat belt - Driver seat belt tensioner igniter 1

G257	Rear side airbag crash sensor on front passenger side
G551	Driver side belt force limiter
J234	Airbag control unit
J854	Control unit for front left belt tensioner
NX10	Front left seat belt
N153	Driver seat belt tensioner igniter 1
ST1	Fuse carrier 1, black
SR2	Relay and fuse carrier 2
ST3	Fuse carrier 3, brown
SF10	Fuse 10 in fuse holder F
SF16	Fuse 16 in fuse holder F
T2bb	2-pin connector, black
T2bk	2-pin connector, yellow
T2bl	2-pin connector, yellow
T5s	5-pin connector, colourless
T96	96-pin connector, yellow
B108	Connection 1 (CAN bus extended high), in main wiring harness
B109	Connection 1 (CAN bus extended low), in main wiring harness
*	see applicable current flow diagram for fuse assignment
*2	According to equipment

Wiring Diagram AUDI A4 2016 - Front passenger side belt force limiter - Driver side crash sensor 2 for pedestrian protection - Front passenger side crash sensor 2 for pedestrian protection - Airbag control unit - Front right seat belt - Front passenger seat belt tensioner igniter 1

G552	Front passenger side belt force limiter
G851	Driver side crash sensor 2 for pedestrian protection
G852	Front passenger side crash sensor 2 for pedestrian protection
J234	Airbag control unit
J855	Control unit for front right belt tensioner
NX11	Front right seat belt
N154	Front passenger seat belt tensioner igniter 1
T2bm	2-pin connector, yellow
T2bn	2-pin connector, yellow
T2bw	2-pin connector, yellow
T2bx	2-pin connector, yellow
T5t	5-pin connector, colourless
T96	96-pin connector, yellow
B108	Connection 1 (CAN bus extended high), in main wiring harness
B109	Connection 1 (CAN bus extended low), in main wiring harness
*	Only models with pedestrian protection system

Wiring Diagram AUDI A4 2016 - Front airbag crash sensor for driver side - Front airbag crash sensor for front passenger side - Trigger 1 for pedestrian protection - Trigger 2 for pedestrian protection - Centre crash sensor for pedestrian protection - Airbag control unit - Driver side knee airbag igniter - Front passenger side knee airbag igniter

G283	Front airbag crash sensor for driver side
G284	Front airbag crash sensor for front passenger side
G598	Trigger 1 for pedestrian protection
G599	Trigger 2 for pedestrian protection
G693	Centre crash sensor for pedestrian protection
J234	Airbag control unit
N295	Driver side knee airbag igniter
N296	Front passenger side knee airbag igniter
T2bc	2-pin connector, yellow
T2bd	2-pin connector, yellow
T2by	2-pin connector, yellow
T2ed	2-pin connector, yellow
T2ee	2-pin connector
T3s	3-pin connector, yellow
T3t	3-pin connector, yellow
T20	20-pin connector, yellow
T96	96-pin connector, yellow
385	Earth connection 20, in main wiring harness
*	Only models with pedestrian protection system

Wiring Diagram AUDI A4 2016 - Side airbag crash sensor on driver side - Side airbag crash sensor on front passenger side - Airbag control unit - Data bus diagnostic interface

G179	Side airbag crash sensor on driver side
G180	Side airbag crash sensor on front passenger side
J234	Airbag control unit
J393	Convenience system central control unit
J519	Onboard supply control unit
J533	Data bus diagnostic interface
T2la	2-pin connector, black
T2ra	2-pin connector, black
T28a	28-pin connector, black
T28ax	28-pin connector, black
T28b	28-pin connector, black
T28bx	28-pin connector, black
T32c	32-pin connector, black
T54	54-pin connector, black
T73a	73-pin connector, black
T73b	73-pin connector, black
T96	96-pin connector, yellow
TTVL	Coupling point on front left door
TTVR	Coupling point on front right door
B281	Positive connection 5 (15a) in main wiring harness
*	Data bus wire (FlexRay bus)

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- Unlock Lifetime Access for This 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- Unlock Lifetime Access for This 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- Unlock Lifetime Access for This 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- Unlock Lifetime Access for This 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- Unlock Lifetime Access for This 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 Unlock Lifetime Access for This 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. Unlock Lifetime Access for This 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. Unlock Lifetime Access for This 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. Unlock Lifetime Access for This 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 Unlock Lifetime Access for This 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. Unlock Lifetime Access for This 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- 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 . 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. Unlock Lifetime Access for This 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 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. Unlock Lifetime Access for This 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 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- . Unlock Lifetime Access for This 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. Unlock Lifetime Access for This 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. Unlock Lifetime Access for This 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. Unlock Lifetime Access for This 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 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 Unlock Lifetime Access for This 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. Unlock Lifetime Access for This 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. Unlock Lifetime Access for This 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 Unlock Lifetime Access for This 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. Unlock Lifetime Access for This 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 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 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. Unlock Lifetime Access for This 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 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. Unlock Lifetime Access for This 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. Unlock Lifetime Access for This 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 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.     Unlock Lifetime Access for This 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 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 Unlock Lifetime Access for This 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. Unlock Lifetime Access for This 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. Unlock Lifetime Access for This 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. Unlock Lifetime Access for This 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. Unlock Lifetime Access for This 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. Unlock Lifetime Access for This 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. Unlock Lifetime Access for This 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. Unlock Lifetime Access for This 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. Unlock Lifetime Access for This 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. Unlock Lifetime Access for This 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. Unlock Lifetime Access for This 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. Unlock Lifetime Access for This 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. Unlock Lifetime Access for This 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. Unlock Lifetime Access for This 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. Unlock Lifetime Access for This 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. Unlock Lifetime Access for This 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- . Unlock Lifetime Access for This Car. 1 -  Battery monitor control unit -J367- A -  2-pin connector -T2x- , black .     AUDI A4 2016 Overview of relay carriers Overview of relay carriers Unlock Lifetime Access for This Car. 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- Unlock Lifetime Access for This Car. 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- Unlock Lifetime Access for This Car. 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 Unlock Lifetime Access for This Car. 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 Unlock Lifetime Access for This Car. 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- Unlock Lifetime Access for This Car. R1 -  not assigned R2 -  not assigned R3 -  Heated rear window relay -J9- R4.1 -  not assigned R4.2 -  not assigned R5 -  not assigned 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 Unlock Lifetime Access for This 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 Unlock Lifetime Access for This 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 Unlock Lifetime Access for This 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 Unlock Lifetime Access for This 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- Unlock Lifetime Access for This 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- Unlock Lifetime Access for This Car. A -  28-pin connector -T28a- , black/ 28-pin connector -T28ax- , black Coupling point on front right door -TTVR- Unlock Lifetime Access for This Car. A -  28-pin connector -T28b- , black/ 28-pin connector -T28bx- , black Coupling point on rear left door -TTHL- Unlock Lifetime Access for This Car. A -  19-pin connector -T19a- , black/ 19-pin connector -T19ax- , black Coupling point on rear right door -TTHR- Unlock Lifetime Access for This 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 Unlock Lifetime Access for This 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 Unlock Lifetime Access for This 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 Unlock Lifetime Access for This 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 Unlock Lifetime Access for This 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- Unlock Lifetime Access for This 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- Unlock Lifetime Access for This Car. A -  8-pin connector -T8d- , black/ 8-pin connector -T8dx- , black Coupling point in luggage compartment, left -THRL- Unlock Lifetime Access for This 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- Unlock Lifetime Access for This 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- Unlock Lifetime Access for This 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- Unlock Lifetime Access for This Car. A -  6-pin connector -T6le- , green/ 6-pin connector -T6lex- , green Coupling point for roof -TH- Unlock Lifetime Access for This 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.     Unlock Lifetime Access for This 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.     Unlock Lifetime Access for This 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- Unlock Lifetime Access for This 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 Unlock Lifetime Access for This Car.    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 Unlock Lifetime Access for This Car.    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 Unlock Lifetime Access for This Car.    686 Earth point 2 on front longitudinal member, right q   Specified torque: 20 Nm Unlock Lifetime Access for This Car.    828 Earth point on right suspension turret q   Specified torque: 9 Nm    608 Earth point, central in plenum chamber q   Specified torque: 9 Nm Unlock Lifetime Access for This Car.    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 Unlock Lifetime Access for This Car.    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 Unlock Lifetime Access for This Car.    730 Earth point 1 on rear right wheel housing q   Specified torque: 9 Nm Unlock Lifetime Access for This Car.    666 Earth point on rear right of roof q   Specified torque: 9 Nm Unlock Lifetime Access for This Car.    667 Earth point, on rear left of roof q   Specified torque: 9 Nm Unlock Lifetime Access for This Car.    61 Earth point, left C-pillar q   Specified torque: 9 Nm    50 Earth point, on left in luggage compartment q   Specified torque: 9 Nm Unlock Lifetime Access for This Car.    51 Earth point, on right in luggage compartment q   Specified torque: 9 Nm Unlock Lifetime Access for This Car.    624 Earth point next to starter battery q   Specified torque: 9 Nm Unlock Lifetime Access for This Car.    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 Can't find your car? 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