AUDI A4 2003 – Air conditioning system . Wiring diagrams, Pin Connector, Location – Schémas de câblage pour voitures
AUTOMOTIVE ELECTRICIANS PORTAL
AUDI A4 2003 – Air conditioning system . Wiring diagrams, Pin Connector, Location
Wiring Diagram AUDI A4 2003 - Air conditioning system/Climatronic operating and display unit - fuses https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html
Automotive Electricians Portal FZCO
Automotive Electricians Portal FZCO Wiring Diagram AUDI A4 2003 - Air conditioning system/Climatronic operating and display unit - central flap - air flow flap - air recirculation flap E87 Control and display unit for air conditioner/Climatronic G112 Control motor potentiometer, central flap G113 Control motor potentiometer, air flow flap G143 Control motor potentiometer, air recirculation flap V70 Central flap control motor V71 Air flow flap control motor V113 Air recirculation flap control motor 97 Earth connection -1-, in air conditioner wiring harness L31 Connection (5V), in air conditioner wiring harness
Wiring Diagram AUDI A4 2003 - Air conditioning system/Climatronic operating and display unit - defroster flap - temperature flaps E87 Control and display unit for air conditioner/Climatronic G135 Control motor potentiometer, defroster flap G220 Control motor potentiometer, left temperature flap G221 Control motor potentiometer, right temperature flap V107 Defroster flap control motor V158 Temperature flap control motor, left V159 Temperature flap control motor, right 97 Earth connection -1-, in air conditioner wiring harness L31 Connection (5V), in air conditioner wiring harness
Wiring Diagram AUDI A4 2003 - Air conditioning system/Climatronic operating and display unit - vent temperature senders - sunlight penetration photosensor E87 Air conditioning system/Climatronic operating and display unit G89 Fresh air intake duct temperature sensor G107 Sunlight penetration photosensor G150 Left vent temperature sender G151 Right vent temperature sender G261 Vent temperature sender, left footwell G262 Vent temperature sender, right footwell G263 Evaporator out-flow temperature sender 97 Earth connection -1-, in air conditioning system wiring harness 244 Earth connection (sender earth), in Climatronic wiring harness
Wiring Diagram AUDI A4 2003 - Air conditioning system/Climatronic operating and display unit - high pressure sender - sensors - compressor regulating valve - heated rear window A14 Windscreen heater voltage transformer E87 Air conditioning system/Climatronic operating and display unit G65 High pressure sender G238 Air quality sensor N280 Air conditioning system compressor regulating valve T2n 2-pin connector, near windscreen heater voltage transformer T10c 10-pin connector, purple, connector point, A pillar, left T10d 10-pin connector, grey, connector point, A pillar, left T14 14-pin connector, black, in engine compartment, left T17d 17-pin connector, red, connector point, electronics box, plenum chamber Z2 Heated windscreen 83 Earth connection -1-, in front right wiring harness 261 Earth connection, in heated washer jet wiring harness A38 Positive (+) connection -2- (15a), in dash panel wiring harness * Only applies to models with air quality sensor ** Only applies to models with windscreen heater
Wiring Diagram AUDI A4 2003 - Air conditioning system/Climatronic operating and display unit - fresh air blower C18 Window aerial suppression filter C20 Solar cells E87 Air conditioning system/Climatronic operating and display unit J126 Fresh air blower control unit T17g 17-pin connector, dark brown, connector point, A pillar, left V2 Fresh air blower Z1 Heated rear window 238 Earth connection -1-, in interior wiring harness 347 Earth connection, in roof wiring harness B180 Connection (heated rear window), in interior wiring harness B248 Connection -2- (heated rear window), in interior wiring harness * Only applies to models with solar roof ** Avant models - see applicable Current Flow Diagram: Avant models, rear
Wiring Diagram AUDI A4 2003 - Air conditioning system/Climatronic operating and display unit - control unit with display in dash panel insert E87 Air conditioning system/Climatronic operating and display unit G59 Driver's seat temperature sensor G60 Front passenger's seat temperature sensor J285 Control unit with display in dash panel insert T6d 6-pin connector, green, connector point, seat wiring, driver's seat T6e 6-pin connector, green, connector point, seat wiring, front passenger's seat T8f 8-pin connector, on driver's seat for heated seat cushion T8g 8-pin connector, on front passenger's seat for heated seat cushion T16 16-pin connector, black, diagnostic connector T32 32-pin connector, blue, on dash panel insert T32a 32-pin connector, green, on dash panel insert A76 Connection (diagnosis wire K), in dash panel wiring harness A146 Connection (convenience CAN bus, high), in dash panel wiring harness A147 Connection (convenience CAN bus, low), in dash panel wiring harness * Only applies to models with heated seats
AUDI A4 2003 Overview of fuses Overview of fuses q Components: -S126-, -S328-
Relay carrier (9-pin) with onboard supply control unit
q Components: -S37-, -S45-, -S87-, -S100-, -S184-, -S280-
Relay carrier (4-pin) with screw connection
q Components: -S42-, -S51-, -S123-, -S214-
q Location up to July 2004
q Location from August 2004
Audi A4 Fitting Locations No. 802 / 2
q Components: -S1- up to -S22- and -S223- up to -S244-
q Location up to July 2004
q Location from August 2004
7 - Fuse holder for special vehicles
q Components: -S55-, -S57-, -S182-, -S183-, -S184-, -S291-, -S292-, -S293-, S294-, -S295-, -S296-, -S297-, -S298-
Audi A4 Fitting Locations No. 802 / 3
q Location for diesel engines, up to July 2004
q Location for engine codes BKE, BRB, BNA, BLB, BRC, BPW, BVG, BVF, BRF, BRE, BVA, BRD
q Location for engine codes BSG, BPP, BTP, BKN, ASB
q Location for engine codes BGB, BPG, BWE, BWT, BUL, BPJ, BYK
q Location for engine code ALZ
q Location for engine code ALT
q Location for engine code BDG
q Location for engine codes BFB, BBK, BHF
q Location for engine code AWA
Audi A4 Fitting Locations No. 802 / 4
t Location for engine codes AUK, BKH
t Location for engine code BNS
t Location for engine code BBJ, with manual gearbox or multitronic
t Location for engine code BBJ with AG5
Main fuse
AUDI A4 2003 Position of fuses, coupling station of A-pillar Position of fuses, coupling station of A-pillar bottom right, behind the trim
E - Seat adjustment fuse -S46-
E - Seat adjustment fuse -S46- (with lumbar support adjustment)
AUDI A4 2003 Position of fuses, relay carrier (3-pin) Position of fuses, relay carrier (3-pin) A ¹) - Auxiliary heater fuse -S62-
B - Auxiliary heater fuse -S126-
C - Auxiliary heater fuse 2 -S328-
¹) applicable up to model year 2003
AUDI A4 2003 Position of fuses, relay carrier (9-pin) with onboard supply control unit Position of fuses, relay carrier (9-pin) with onboard supply control unit Driver side dash panel, behind the relay carrier (3-pin)
A - Rear roller blind thermal fuse -S100-
B - Rear roller blind thermal fuse -S100-
B - Socket 1 fuse (driving school vehicle) -S184-
D - Window regulator single fuse 2 -S280-
E - Driver seat adjustment thermal fuse 2 -S45-
F - Window regulator single fuse -S37-
G - Trailer towing attachment thermal fuse -S87-
AUDI A4 2003 Position of fuses, relay carrier (4-pin) with screw connection, up to July 2004 Position of fuses, relay carrier (4-pin) with screw connection, up to July 2004 B - Optional equipment: vermin repellent
E - Radiator fan run-on fuse -S214-
G - Radiator fan single fuse -S42-
H - ABS control unit fuse 1 -S123-
AUDI A4 2003 Position of fuses, relay carrier (4-pin) with screw connection, from August 2004 Position of fuses, relay carrier (4-pin) with screw connection, from August 2004 B - Optional equipment: vermin repellent
E - S51 - Fuse (driving school vehicle) ¹) -S51-
F - Fuse (driving school vehicle) ³) -S51-
- Radiator fan single fuse ¹)²) -S42-
G - Radiator fan run-on fuse¹)²) -S214-
- Radiator fan single fuse ⁴) -S42-
H - ABS control unit fuse 1 -S123-
¹) for engine codes BBK, BHF, BNS only
²) for engine codes BKN, ASB, BPP, BSG, BTP only
³) not for engine codes BBK, BHF
⁴) not for engine codes BKN, ASB, BPP, BSG, BTP, BBK, BHF
AUDI A4 2003 Position of fuses, relay carrier (4-pin), petrol engines, up to July 2004 Position of fuses, relay carrier (4-pin), petrol engines, up to July 2004 In electronics box in plenum chamber
A - Engine electronics fuse -S282-
B - Secondary air pump fuse -S130-
C - Automatic gearbox fuse, run-on -S286-
AUDI A4 2003 Position of fuses, relay carrier (4-pin), diesel engines, up to July 2004 Position of fuses, relay carrier (4-pin), diesel engines, up to July 2004 In electronics box in plenum chamber
A - Engine control unit fuse -S102-
- Engine electronics fuse -S282-
B - Engine glow plug strip fuse -S39-
C - Automatic gearbox fuse, run-on -S286-
- Engine control unit fuse ²) -S102-
D - Glow plug fuse 2 -S189-
F ¹) - Glow plug fuse 2 -S189-
¹) applicable from model year 2002
²) for models with engine code BKE only
Note:
The positions D and F are in the electronics box.
AUDI A4 2003 Position of fuses, relay carrier (4-pin), engine codes BKE, BRB, BNA, BLB, BRC, BPW, BVG, BVF, BRF, BRE, BVA, BRD, from August 2004 Position of fuses, relay carrier (4-pin), engine codes BKE, BRB, BNA, BLB, BRC, BPW, BVG, BVF, BRF, BRE, BVA, BRD, from August 2004 In electronics box in plenum chamber
A - Engine electronics fuse -S282-
B - Engine glow plug strip fuse -S39-
C - Engine control unit fuse -S102-
D - Automatic gearbox fuse, run-on -S286-
E - Engine electronics fuse 2 -S344-
AUDI A4 2003 Position of fuses, relay carrier (4-pin), engine codes BSG, BPP, BTP, BKN, ASB, from August 2004 Position of fuses, relay carrier (4-pin), engine codes BSG, BPP, BTP, BKN, ASB, from August 2004 In electronics box in plenum chamber
A - Engine electronics fuse -S282-
B - Engine glow plug strip fuse -S39-
C - Engine control unit fuse -S102-
D - Automatic gearbox fuse, run-on -S286-
E - Engine electronics fuse 2 -S344-
G - Engine electronics fuse 3 -S345-
AUDI A4 2003 Position of fuses, relay carrier (4-pin), engine codes BGB, BPG, BWE, BWT, BUL, BPJ, BYK, from August 2004 Position of fuses, relay carrier (4-pin), engine codes BGB, BPG, BWE, BWT, BUL, BPJ, BYK, from August 2004 In electronics box in plenum chamber
A - Engine electronics fuse -S282-
B - Engine electronics fuse 3 -S345-
C - Engine control unit fuse -S102-
E - Engine electronics fuse 2 -S344-
G - Automatic gearbox fuse, run-on -S286-
AUDI A4 2003 Position of fuses, relay carrier (4-pin), engine code ALZ, from August 2004 Position of fuses, relay carrier (4-pin), engine code ALZ, from August 2004 In electronics box in plenum chamber
A - Engine electronics fuse 2 -S344-
B - Secondary air pump fuse -S130-
D - Engine control unit fuse -S102-
G - Engine electronics fuse -S282-
AUDI A4 2003 Position of fuses, relay carrier (4-pin), engine code ALT, from August 2004 Position of fuses, relay carrier (4-pin), engine code ALT, from August 2004 In electronics box in plenum chamber
A - Engine electronics fuse 2 -S344-
B - Engine electronics fuse -S282-
C - Automatic gearbox fuse, run-on -S286-
D - Engine control unit fuse -S102-
AUDI A4 2003 Position of fuses, relay carrier (4-pin), engine code BDG, from August 2004 Position of fuses, relay carrier (4-pin), engine code BDG, from August 2004 In electronics box in plenum chamber
A - Engine electronics fuse -S282-
B - Engine glow plug strip fuse -S39-
C - Automatic gearbox fuse, run-on -S286-
H¹) - Glow plug fuse 2 -S189-
¹) on the relay carrier underside
AUDI A4 2003 Position of fuses, relay carrier (4-pin), engine codes BFB, BBK, BHF, from August 2004 Position of fuses, relay carrier (4-pin), engine codes BFB, BBK, BHF, from August 2004 In electronics box in plenum chamber
A - Engine electronics fuse 2 -S344-
B - Secondary air pump fuse -S130-
C - Automatic gearbox fuse, run-on -S286-
D - Engine control unit fuse -S102-
G - Engine electronics fuse -S282-
H¹) - Heater fuse ²) -S23-
¹) on the relay carrier underside
AUDI A4 2003 Position of fuses, relay carrier (4-pin), engine code AWA, from August 2004 Position of fuses, relay carrier (4-pin), engine code AWA, from August 2004 In electronics box in plenum chamber
A - Engine electronics fuse -S282-
B - Engine electronics fuse 2 -S344-
C - Automatic gearbox fuse, run-on -S286-
H ¹) - Engine electronics fuse 3 -S345-
¹) on the relay carrier underside
AUDI A4 2003 Position of fuses, relay carrier (4-pin), engine codes AUK, BKH, from August 2004 Position of fuses, relay carrier (4-pin), engine codes AUK, BKH, from August 2004 In electronics box in plenum chamber
A - Engine electronics fuse 2 -S344-
B - Engine electronics fuse -S282-
C - Engine control unit fuse -S102-
E - Lambda probe heating thermal fuse -S73-
G - Automatic gearbox fuse, run-on -S286-
AUDI A4 2003 Position of fuses, relay carrier (4-pin), engine code BNS, from August 2004 Position of fuses, relay carrier (4-pin), engine code BNS, from August 2004 In electronics box in plenum chamber
A - Engine electronics fuse 2 -S344-
B - Engine electronics fuse -S282-
C - Engine control unit fuse -S102-
E - Lambda probe heating thermal fuse -S73-
? - Brake vacuum pump fuse -S283-
H ¹) - Secondary air pump fuse -S130-
¹) on the relay carrier underside
AUDI A4 2003 Position of fuses, relay carrier (4-pin), engine codes BBJ (with manual gearbox or multitronicВ®), from August 2004 Position of fuses, relay carrier (4-pin), engine codes BBJ (with manual gearbox or multitronic®), from August 2004 In electronics box in plenum chamber
A - Engine electronics fuse 2 ¹) -S344-
B - Secondary air pump fuse ¹) -S130-
C - Automatic gearbox fuse, run-on ¹) -S286-
D - Engine control unit fuse¹) -S102-
E - Injector fuse ¹) -S116-
G - Engine electronics fuse ¹) -S282-
¹) for models with manual gearbox or with automatic gearbox (multitronic®) only
AUDI A4 2003 Position of fuses, relay carrier (4-pin), engine codes BBJ (with AG5), from August 2004 Position of fuses, relay carrier (4-pin), engine codes BBJ (with AG5), from August 2004 In electronics box in plenum chamber
A - Engine control unit fuse ¹) -S102-
B - Secondary air pump fuse ¹) -S130-
C - Engine electronics fuse ¹) -S282-
D - Engine electronics fuse 2 ¹) -S344-
E - Injector fuse ¹) -S116-
¹) for models with automatic gearbox (AG5) only
AUDI A4 2003 Position of fuses, fuse holder, up to July 2004 Position of fuses, fuse holder, up to July 2004 Note:
From fuse number 23 upwards the fuses in the fuse holder are designated as 223 in the Current Flow Diagram
Audi A4 Fitting Locations No. 802 / 27
No. Current Flow Diagram designation Nominal value Function/component Terminal 10 - S10 - Fuse in relay plate fuse holder 5 A - E102 - Headlight range control regulator J431 - Headlight range control, control unit J668 - Power output module for right headlight V48 - Left headlight range control motor V49 - Right headlight range control motor 15 11 - S11 - Fuse in relay plate fuse holder 10 A - J234 - Airbag control unit J706 - Seat occupied recognition control unit K145 - Front passenger side airbag deactivated warning lamp 15 12 - S12 - Fuse in relay plate fuse holder 10 A - T16 - 16-pin connector, black, diagnostic connector 30 13 - S13 - Fuse in relay plate fuse holder 10 A - J527 - Steering column electronics control unit 30 14 - S14 - Fuse in relay plate fuse holder 10 A - F - Brake light switch 30 15 - S15 - Fuse in relay plate fuse holder 10 A - J285 - Control unit in dash panel insert 30 16 - S16 - Fuse in relay plate fuse holder 5 A - E284 - Garage door operating unit J530 - Garage door operation control unit 15 17 - S17 - Fuse in relay plate fuse holder - Vacant 18 - S18 - Fuse in relay plate fuse holder - Vacant
Audi A4 Fitting Locations No. 802 / 29
No. Current Flow Diagram designation Nominal value Function/component Terminal 29 - S229 - Fuse on fuse holder 20 A - N70 - Ignition coil 1 with output stage N127 - Ignition coil 2 with output stage N291 - Ignition coil 3 with output stage N292 - Ignition coil 4 with output stage N323 - Ignition coil 5 with output stage N324 - Ignition coil 6 with output stage N325 - Ignition coil 7 with output stage N326 - Ignition coil 8 with output stage 87 30 - S230 - Fuse on fuse holder 20 A - J245 - Sliding sunroof adjustment control unit 30 31 - S231 - Fuse on fuse holder 15 A - F125 - Multifunction switch F4 - Reversing light switch G70 - Air mass meter G399 - Light detector sensor J217 - Automatic gearbox control unit J226-Starter inhibitor and reversing light relay N110 - Selector lever lock solenoid T16 - 16-pin connector, black, diagnostic connector Y7 - Automatic anti-dazzle interior mirror 15 32 - S232 - Fuse on fuse holder 20 A - J583 - NOx sensor control unit N30 - Injector, cylinder 1 N31 - Injector, cylinder 2 N32 - Injector, cylinder 3 N33 - Injector, cylinder 4 N83 - Injector, cylinder 5 N84 - Injector, cylinder 6 87 33 - S233 - Fuse on fuse holder 15 A - U1 - Cigarette lighter 30
Audi A4 Fitting Locations No. 802 / 31
No. Current Flow Diagram designation Nominal value Function/component Terminal 40 - S240 - Fuse on fuse holder 25 A - H2 - Treble tone horn H7 - Bass tone horn J4 - Dual tone horn relay 30 41 - S241 - Fuse on fuse holder 30 A - J364 - Auxiliary heater control unit R64 - Remote control receiver for auxiliary heating 30 42 - S242 - Fuse on fuse holder 25 A - J104 - ABS control unit 30 43 - S243 - Fuse on fuse holder 15 A - J220 - Motronic control unit J363 - Current supply relay for Simos control unit J623 - Engine control unit N18 - Exhaust gas recirculation valve 15 44 - S244 - Fuse on fuse holder 30 A - E87 - Operating and display unit for air conditioning system/Climatronic J215 - Heated rear left seat control unit J255 - Climatronic control unit 30
AUDI A4 2003 Position of fuses, fuse holder, from August 2004 Position of fuses, fuse holder, from August 2004 Note:
From fuse number 23 upwards the fuses in the fuse holder are designated as 223 in the Current Flow Diagram
Audi A4 Fitting Locations No. 802 / 34
No. Current Flow Diagram designation Nominal value Function/component Terminal 10 - S10 - Fuse in relay plate fuse holder 5 A - E102 - Headlight range control regulator J431 - Headlight range control, control unit J668 - Power output module for right headlight V48 - Left headlight range control motor V49 - Right headlight range control motor 15 11 - S11 - Fuse in relay plate fuse holder 10 A - J234 - Airbag control unit J706 - Seat occupied recognition control unit K145 - Front passenger side airbag deactivated warning lamp 15 12 - S12 - Fuse in relay plate fuse holder 10 A - T16 - 16-pin connector, black, diagnostic connector 30 13 - S13 - Fuse in relay plate fuse holder 10 A - J527 - Steering column electronics control unit 30 14 - S14 - Fuse in relay plate fuse holder 10 A - F - Brake light switch 30 15 - S15 - Fuse in relay plate fuse holder 10 A - J285 - Control unit in dash panel insert J401 - Navigation system with CD drive control unit 30 16 - S16 - Fuse in relay plate fuse holder 5 A - E284 - Garage door operating unit J530 - Garage door operation control unit 15 17 - S17 - Fuse in relay plate fuse holder 10 A - G397 - Rain and light detector sensor J446 - Parking aid control unit J502 - Tyre pressure monitor control unit 30 18 - S18 - Fuse in relay plate fuse holder 5 A - V318 - Left dynamic cornering light control motor 15
Audi A4 Fitting Locations No. 802 / 36
No. Current Flow Diagram designation Nominal value Function/component Terminal 29 - S229 - Fuse on fuse holder - Vacant 30 - S230 - Fuse on fuse holder 20 A - J245 - Sliding sunroof adjustment control unit 30 31 - S231 - Fuse on fuse holder 15 A - F4 - Reversing light switch G70 - Air mass meter G399 - Light detector sensor J217 - Automatic gearbox control unit N110 - Selector lever lock solenoid T16 - 16-pin connector, black, diagnostic connector Y7 - Automatic anti-dazzle interior mirror 15 32 - S232 - Fuse on fuse holder 15 A - U10-Trailer socket ²) 75x 33 - S233 - Fuse on fuse holder 15 A 20 A - U1 - Cigarette lighter U1 - Cigarette lighter ¹) 30 34 - S234 - Fuse on fuse holder 30 A 20 A - U5 - 12 V socket U5 - 12 V socket ¹) 30 35 - S235 - Fuse on fuse holder 30 A 20 A - U - socket U-Socket ¹) 30 36 - S236 - Fuse on fuse holder 30 A - J519 - Onboard power supply control unit V12 -Rear window wiper motor 75x 37 - S237 - Fuse on fuse holder 30 A - J519 - Onboard power supply control unit V11 - Headlight washer system pump 75x
Notes:
t ¹) applicable from February 2005
t ²) applicable from model year 2006
Audi A4 Fitting Locations No. 802 / 38
AUDI A4 2003 Position of fuses, fuse holder for special vehicle - taxi Position of fuses, fuse holder for special vehicle - taxi
1 - Taxi meter and alarm system fuse -S183-
2 - Alarm system fuse -S57-
3 - Taxi meter fuse -S182-
9 - Two-way radio fuse -S55-
10 - Socket 1 fuse -S184-
¹) applicable from model year 2006
AUDI A4 2003 Position of fuses, fuse holder for special vehicle - police Position of fuses, fuse holder for special vehicle - police 1 - Special vehicle fuse 1 -S291-
2 - Special vehicle fuse 2 -S292-
3 - Special vehicle fuse 3 -S293-
4 - Special vehicle fuse 4 -S294-
5 - Special vehicle fuse 5 -S295-
6 - Special vehicle fuse 6 -S296-
7 - Special vehicle fuse 7 -S297-
8 - Special vehicle fuse 8 -S298-
¹) applicable from February 2005
²) applicable from model year 2006
AUDI A4 2003 AUDI A4 2003 Overview of earth points in engine compartment Overview of earth points in engine compartment q only for 2.0 l FSI motor, location
q only for 2,5 l engine TDI, location
q only for 2.0 l FSI motor, location
q only for 3.0 l engine, location
Overview of earth points in vehicle interior
Audi A4 Fitting Locations No. 801 / 3
Overview of earth points in luggage compartment - saloon models
Note:
♦ Overview of luggage compartment - Avant models
Overview of earth points in luggage compartment - Avant models
1 - Earth point, right D-pillar -654-
3 - Earth point, left D-pillar -653-
5 - Earth point, on left in luggage compartment -50-
AUDI A4 2003 Earth point, in engine compartment Earth point, in engine compartment 11 Earth point, in battery box -arrow-
12 Earth point, in engine compartment, left -arrow-
12 Earth point, in engine compartment, left -arrow-
only for 2,0 l engine FSI
12 Earth point, in engine compartment, left -arrow-
only for 2,5 l engine TDI
18 Earth point on engine block -arrow-
18 Earth point on engine block -arrow-
18 Earth point on engine block -arrow-
only for 2,0 l engine FSI
18 Earth point on engine block -arrow-
19 Earth point, near coil -arrow-
26 Earth point, on front apron -arrow-
624 Earth point, starter battery -arrow-
AUDI A4 2003 Earth points, in interior Earth points, in interior 32 Earth point behind dash panel on left -arrow-
33 Earth point behind dash panel on right -arrow-
43 Earth point, lower part of right A-pillar -arrow-
44 Earth point, lower part of left A-pillar -arrow-
49 Earth point, near convenience system central control unit -arrow-
77 Earth point, lower part of left B-pillar -arrow-
78 Earth point, lower part of right B-pillar -arrow-
610 Earth point (audio), under centre console, front -arrow-
AUDI A4 2003 Earth point, in luggage compartment - saloon models Earth point, in luggage compartment - saloon models
50 Earth point, on left in luggage compartment -arrow-
653 Earth point, left D-pillar -arrow-
654 Earth point, right D-pillar -arrow-
701 Earth point, in luggage compartment -arrow-
Earth point, in luggage compartment - Avant models
50 Earth point, on left in luggage compartment -arrow-
52 Earth point, on left in rear lid -arrow-
53 Earth point, on right in rear lid -arrow-
653 Earth point, left D-pillar -arrow-
654 Earth point, right D-pillar -arrow-
AUDI A4 2003 Control units overview Control units overview
Audi A4 Fitting Locations No. 804 / 2
q Location for navigation system RNS-E
Audi A4 Fitting Locations No. 804 / 3
Diesel direct injection system control unit -J248-
17 - Automatic gearbox control unit -J217-
q for models with multitronic® only
AUDI A4 2003 Motronic control unit -J220-, diesel direct injection system control unit -J248-, Simos control unit -J361- Motronic control unit -J220-, diesel direct injection system control unit -J248-, Simos control unit -J361- On electronics box in plenum chamber
AUDI A4 2003 Automatic gearbox control unit -J217- Automatic gearbox control unit -J217- not for models with multitronic®
In electronics box in plenum chamber
for models with multitronic® only
AUDI A4 2003 ABS control unit -J104- AUDI A4 2003 Radiator fan control unit -J293- Radiator fan control unit -J293- AUDI A4 2003 Fresh air blower control unit -J126- AUDI A4 2003 Headlight range control, control unit -J431- Headlight range control, control unit -J431- AUDI A4 2003 Steering column electronics control unit -J527- AUDI A4 2003 Display control unit in dash panel insert -J285- Display control unit in dash panel insert -J285- In the dash panel behind the display unit
AUDI A4 2003 Airbag control unit -J234- AUDI A4 2003 Onboard power supply control unit -J519- Onboard power supply control unit -J519- Behind driver's storage compartment
AUDI A4 2003 Trailer detector control unit -J345- AUDI A4 2003 Parking aid control unit -J446- Parking aid control unit -J446- In left luggage compartment, behind side trim, on apron
AUDI A4 2003 Navigation operating electronics control unit -J402- Navigation operating electronics control unit -J402- for navigation system RNS-D only
AUDI A4 2003 Radio -R- Radio -R-
not for navigation system
AUDI A4 2003 Navigation system with CD drive control unit -J401- Navigation system with CD drive control unit -J401- For navigation system NS-Low only
For navigation system RNS-E only
AUDI A4 2003 Control unit with display for radio and navigation system -J503- Control unit with display for radio and navigation system -J503- for navigation system RNS-Low only
AUDI A4 2003 CD changer -R41- CD changer -R41-
AUDI A4 2003 Telephone and telematics control unit, telematics -J526- Telephone and telematics control unit, telematics -J526- For models with telematics only
in electronics box under front passenger seat
AUDI A4 2003 Language input control unit -J507- Language input control unit -J507-
For models with telematics only
in electronics box under front passenger seat
AUDI A4 2003 Convenience system central control unit -J393- Convenience system central control unit -J393- AUDI A4 2003 Driver door control unit -J386- AUDI A4 2003 Front passenger side door control unit -J387- Front passenger side door control unit -J387- In window regulator motor integrated
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