AUDI A4 2003 – 2.4 litre fuel injection engine (125 kW – Motronic – 6-cylinder), engine code BDV . Wiring diagrams, Pin Connector, Location – Wiring diagrams for cars
AUTOMOTIVE ELECTRICIANS PORTAL
AUDI A4 2003 – 2.4 litre fuel injection engine (125 kW – Motronic – 6-cylinder), engine code BDV . Wiring diagrams, Pin Connector, Location
Wiring Diagram AUDI A4 2003 - Battery - starter - alternator - voltage regulator - ignition/starter switch https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html
Automotive Electricians Portal FZCO
Automotive Electricians Portal FZCO A Battery B Starter C Alternator C1 Voltage regulator D Ignition/starter switch S5 Fuse in fuse box S7 Fuse in fuse box S9 Fuse in fuse box S14 Fuse in fuse box S88 Strip fuse (main fuse) S231 Fuse in fuse box T1 Single connector, black, engine compartment, right T2 2-pin connector, black, engine compartment, right T10a 10-pin connector, brown, connector point, electronics box, plenum chamber 500 Screw connection -1- (30), on relay plate 501 Screw connection -2- (30), on relay plate A2 Positive (+) connection (15), in dash panel wiring harness A32 Positive (+) connection (30), in dash panel wiring harness A52 Positive (+) connection -2- (30), in dash panel wiring harness A57 Positive (+) connection -3- (30), in dash panel wiring harness * Only applies to models with manual gearbox
Wiring Diagram AUDI A4 2003 - Fuel pump relay - Motronic control unit J17 Fuel pump relay J60 Automatic gearbox relay J220 Motronic control unit S4 Fuse in fuse box/relay plate S228 Fuse in fuse box S229 Fuse in fuse box S232 Fuse in fuse box S234 Fuse in fuse box S243 Fuse in fuse box S282 Engine electronics fuse T17d 17-pin connector, red, connector point, electronics box, plenum chamber T17e 17-pin connector, white, connector point, electronics box, plenum chamber A2 Positive (+) connection (15), in dash panel wiring harness A98 Positive (+) connection -4- (30), in dash panel wiring harness A99 Connection -1- (87), in dash panel wiring harness A152 Connection -5- (87), in dash panel wiring harness D50 Positive (+) connection (30), in engine compartment wiring harness * For countries with hot climate only ** Only models with automatic gearbox (multitronic 01J)
Wiring Diagram AUDI A4 2003 - Motronic control unit - injectors J220 Motronic 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 T10a 10-pin connector, brown, connector point, electronics box, plenum chamber D95 Connection (injectors), in engine compartment wiring harness
Wiring Diagram AUDI A4 2003 - Air mass meter - Motronic control unit - activated charcoal filter system solenoid valve 1 - secondary air inlet valve - variable intake manifold change-over valve G70 Air mass meter J220 Motronic control unit J293 Radiator fan control unit N80 Activated charcoal filter system solenoid valve 1 (pulsed) N112 Secondary air inlet valve N156 Intake manifold change-over valve T10a 10-pin connector, brown, connector point, electronics box, plenum chamber T10d 10-pin connector, grey, connector point, A pillar, left T17d 17-pin connector, red, connector point, electronics box, plenum chamber 83 Earth connection -1-, in front right wiring harness D22 Connection (via fuse 234), in front right wiring harness * For countries with hot climate only
Wiring Diagram AUDI A4 2003 - Coolant temperature senders - Motronic control unit - camshaft timing adjustment valves - continued coolant circulation pump G2 Coolant temperature sender G42 Intake air temperature sender G62 Coolant temperature sender J155 Coolant pump control unit J220 Motronic control unit N205 Inlet camshaft timing adjustment valve -1- N208 Inlet camshaft timing adjustment valve -2- V51 Continued coolant circulation pump 83 Earth connection -1-, in front right wiring harness 220 Earth connection (sender earth), in engine wiring harness D52 Positive (+) connection (15a), in engine compartment wiring harness * For countries with hot climate only
Wiring Diagram AUDI A4 2003 - Engine speed sender - knock sensors - Motronic control unit G28 Engine speed sender G61 Knock sensor I G66 Knock sensor II J220 Motronic control unit T3 3-pin connector, grey, on engine block T3b 3-pin connector, blue, on engine block T3e 3-pin connector, blue, on engine block 104 Earth connection, in front right wiring harness (sensor earth) 220 Earth connection (sender earth), in engine wiring harness
Wiring Diagram AUDI A4 2003 - Hall senders - Motronic control unit F4 Reversing light switch G40 Hall sender G163 Hall sender 2 J220 Motronic control unit T10a 10-pin connector, brown, connector point, electronics box, plenum chamber 220 Earth connection (sender earth), in engine wiring harness A70 Connection (15a, fuse 231), in dash panel wiring harness D51 Positive (+) connection -1- (15), in engine compartment wiring harness D141 Connection (5V), in engine prewiring wiring harness * Only models with manual gearbox ** Only models with automatic gearbox (multitronic 01J)
Wiring Diagram AUDI A4 2003 - Lambda probes - Motronic control unit G39 Lambda probe G130 Lambda probe downstream of catalytic converter J220 Motronic control unit T4a 4-pin connector, green, connector point, lambda probe (bulkhead) T4b 4-pin connector, black, connector point, lambda probe (bulkhead) Z19 Lambda probe heater Z29 Lambda probe 1 heater, downstream of catalytic converter 220 Earth connection (sender earth), in engine wiring harness 316 Earth connection (sender earth -2-), in engine wiring harness
Wiring Diagram AUDI A4 2003 - Lambda probes - Motronic control unit G108 Lambda probe II G131 Lambda probe II downstream of catalytic converter J220 Motronic control unit T4c 4-pin connector, brown, connector point, lambda probe (bulkhead) T4u 4-pin connector, black, connector point, lambda probe (bulkhead) Z28 Lambda probe 2 heater Z30 Lambda probe 2 heater, downstream of catalytic converter 220 Earth connection (sender earth), in engine wiring harness 316 Earth connection (sender earth -2-), in engine wiring harness
Wiring Diagram AUDI A4 2003 - Brake servo pressure sensor - Motronic control unit - secondary air pump motor - vacuum pump for brakes G294 Brake servo pressure sensor J220 Motronic control unit J299 Secondary air pump relay J569 Brake servo relay S130 Secondary air pump fuse T10 10-pin connector, black, connector point, electronics box, plenum chamber T17d 17-pin connector, red, connector point, electronics box, plenum chamber V101 Secondary air pump motor V192 Vacuum pump for brakes 83 Earth connection -1-, in front right wiring harness 220 Earth connection (sender earth), in engine wiring harness * Only models with automatic gearbox (multitronic 01J)
Wiring Diagram AUDI A4 2003 - Accelerator pedal position senders - Motronic control unit - throttle valve module F Brake light switch F36 Clutch pedal switch G79 Accelerator pedal position sender G185 Accelerator pedal position sender -2- J220 Motronic control unit J234 Airbag control unit J338 Throttle valve module J527 Steering column electronics control unit T16a 16-pin connector, black, on steering column electronics control unit T17d 17-pin connector, red, connector point, electronics box, plenum chamber T17e 17-pin connector, white, connector point, electronics box, plenum chamber A18 Connection (54), in dash panel wiring harness A20 Connection (15a), in dash panel wiring harness A125 Connection (crash signal), in dash panel wiring harness A154 Connection (brake pedal switch), in dash panel wiring harness * Only applies to models with manual gearbox ** As of model year 2003 no longer fitted (phased-in modification)
Wiring Diagram AUDI A4 2003 - Motronic control unit - ignition coils C6 Coil capacitor J220 Motronic control unit N Ignition coil N128 Ignition coil 2 N158 Ignition coil 3 P Spark plug connector Q Spark plugs T10 10-pin connector, black, connector point, electronics box, plenum chamber 83 Earth connection -1-, in front right wiring harness D23 Connection (via fuse 229), in front right wiring harness
Wiring Diagram AUDI A4 2003 - Motronic control unit - automatic gearbox control unit - data bus wire J217 Automatic gearbox control unit J220 Motronic control unit J285 Control unit with display in dash panel insert T10a 10-pin connector, brown, connector point, electronics box, plenum chamber T16 16-pin connector, black, diagnostic connector T17d 17-pin connector, red, connector point, electronics box, plenum chamber T32a 32-pin connector, green, on dash panel insert A76 Connection (diagnosis wire K), in dash panel wiring harness A121 Connection (high bus), in dash panel wiring harness A122 Connection (low bus), in dash panel wiring harness * Only applies to models with automatic gearbox (multitronic 01J), up to model year 2003 ** Only applies to models with automatic gearbox (multitronic 01J), from model year 2004 • Data bus wire (CAN bus)
Wiring Diagram AUDI A4 2003 - Control unit with display in dash panel insert - fuel pump - oil level/oil temperature sender G Fuel gauge sender G6 Fuel pump (pre-supply pump) G266 Oil level/oil temperature sender J285 Control unit with display in dash panel insert K2 Alternator warning lamp T10 10-pin connector, black, connector point, electronics box, plenum chamber T10a 10-pin connector, brown, connector point, electronics box, plenum chamber T32 32-pin connector, blue, on dash panel insert T32a 32-pin connector, green, on dash panel insert 83 Earth connection -1-, in front right wiring harness 249 Earth connection -2-, in interior wiring harness 269 Earth connection (sender earth) -1-, in dash panel wiring harness A17 Connection (61), in dash panel wiring harness A74 Connection (15a, fuse 5), in dash panel wiring harness
Wiring Diagram AUDI A4 2003 - Control unit with display in dash panel insert - oil pressure switch - coolant shortage indicator switch - speedometer sender F1 Oil pressure switch F66 Coolant shortage indicator switch G22 Speedometer sender (Hall sender, on gearbox) J285 Control unit with display in dash panel insert T10 10-pin connector, black, connector point, electronics box, plenum chamber T32 32-pin connector, blue, on dash panel insert T32a 32-pin connector, green, on dash panel insert 83 Earth connection -1-, in front right wiring harness 269 Earth connection (sender earth) -1-, in dash panel wiring harness 327 Earth connection (sender earth), in engine compartment wiring harness * As of model year 2003 no longer fitted
AUDI A4 2003 Overview of fuses q Components: -S126-, -S328-
q Components: -S37-, -S45-, -S87-, -S100-, -S184-, -S280-
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 -
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 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) 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 15 11 - S11 - Fuse in relay plate fuse holder 10 A - J234 - Airbag control unit 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 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 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 15 32 - S232 - Fuse on fuse holder 20 A - J583 - NOx sensor control unit 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 30 41 - S241 - Fuse on fuse holder 30 A - J364 - Auxiliary heater control unit 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 15 44 - S244 - Fuse on fuse holder 30 A - E87 - Operating and display unit for air conditioning system/Climatronic 30
AUDI A4 2003 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 15 11 - S11 - Fuse in relay plate fuse holder 10 A - J234 - Airbag control unit 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 15 17 - S17 - Fuse in relay plate fuse holder 10 A - G397 - Rain and light detector sensor 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 15 32 - S232 - Fuse on fuse holder 15 A - U10-Trailer socket ²) 75x 33 - S233 - Fuse on fuse holder 15 A - U1 - Cigarette lighter 30 34 - S234 - Fuse on fuse holder 30 A - U5 - 12 V socket 30 35 - S235 - Fuse on fuse holder 30 A - U - socket 30 36 - S236 - Fuse on fuse holder 30 A - J519 - Onboard power supply control unit 75x 37 - S237 - Fuse on fuse holder 30 A - J519 - Onboard power supply control unit 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
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 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 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
Audi A4 Fitting Locations No. 801 / 3
Note:
♦ Overview of 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 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 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
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 Overview of relay 2 -
q Components: -J4-, -J9-, -J17-, -J53-, -J59-, -J236-, -J569-, -J695-
q Location up to July 2004
q Location from August 2004
q Location component -J569- for engine code BNS
q Location component -J17- for some engine variants ⇒ Item , page
4 -
q Components: -J85-, -J182-, -J330-, -J408-, -J430-, -J461-, -J462-, -J463-, -J608-
Audi A4 Fitting Locations No. 803 / 2
q Components: -J17-, -J52-, -J151-, -J179-, -J207-, -J271-, -J299-, -J317-, -J363-, -J434-, -J496-, -J569-, -J757-
q Location for petrol engines, up to July 2004
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. 803 / 3
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
1 - Special vehicle control unit (driving school vehicle, taxi) -J608-
2 - Low heat output relay -J359-
3 - High heat output relay -J360-
AUDI A4 2003 Position of relays, relay carrier (9-pin) with onboard supply control unit, up to July 2004 Driver side dash panel, behind the relay carrier (3-pin)
1 - Fuel pump relay -J17-
2 - Servotronic control unit -J236-
3 - Dual tone horn relay -J4-
4 - Brake servo relay -J569-
5 - Special vehicle control unit (driving school vehicle, taxi) -J608-
6 - X-contact relief relay -J59-
AUDI A4 2003 Position of relays, relay carrier (9-pin) with onboard supply control unit, from August 2004 Driver side dash panel, behind the relay carrier (3-pin)
1 - Fuel pump relay -J17-
2 - Servotronic control unit -J236-
3 - Starter motor relay 2 ¹) -J695-
4 - Starter motor relay ¹) -J53-
- Brake servo relay ²), ³) -J569-
5 - Heated rear window relay -J9-
6 - X-contact relief relay -J59-
8 - Dual tone horn relay -J4-
¹) for engine codes AUK, BKH, BNS only
²) not for engine codes AUK, BKH
³) applicable up to model year 2005
⁴) applicable from model year 2006
AUDI A4 2003 Position of relays, relay carrier (4-pin) with screw connection 3 - Engine power reduction relay 1 (driving school vehicle) -J662-
4 - Engine power reduction relay 2 (driving school vehicle) -J663-
- Alarm on and hands-free system control unit (taxi) -J610-
AUDI A4 2003 Position of relays, relay carrier (4-pin), petrol engines, up to July 2004 In electronics box in plenum chamber
1 - Automatic gearbox relay (multitronic) -J60-
1.1 - Continued coolant circulation relay (V6) -J151-
2 - Secondary air pump relay -J299-
3 - Motronic current supply relay -J271-
- Turbocharger coolant pump control unit -J155-
- Current supply relay for Simos control unit -J363-
4 - Automatic gearbox relay (AG5) -J60-
- Starter inhibitor and reversing light relay (multitronic/AG6) -J226-
- Starter inhibitor relay, clutch pedal switch -J434-
4.1 ¹) - Automatic gearbox relay (AG5) -J60-
- Starter inhibitor relay -J433-
- Starter inhibitor relay, clutch pedal switch -J434-
4.2 ¹) - Reversing light relay
¹) applicable from model year 2004
AUDI A4 2003 Position of relays, relay carrier (4-pin), diesel engines, up to July 2004 In electronics box in plenum chamber
1.2 - Fuel pump relay -J17-
2³) - Terminal 30 voltage supply relay -J317-
2 ⁴) - Glow plug relay -J52-
3 ³) - Automatic glow period control unit -J179-
3 ⁴) - Terminal 30 voltage supply relay -J317-
4 - Starter inhibitor and reversing light relay -J226-
- Automatic gearbox relay -J60-
4.1 - Automatic gearbox relay -J60-
E - Fan for control unit -V274-
¹) applicable from model year 2002
²) applicable from model year 2004
³) for models with engine code BKE only
⁴) not for models with engine code BKE
AUDI A4 2003 Position of relays, relay carrier (4-pin), engine codes BKE, BRB, BNA, BLB, BRC, BPW, BVG, BVF, BRF, BRE, BVA, BRD, from August 2004 1.1 - Fuel pump relay -J17-
1.2 - Starter inhibitor relay -J207-
2 - Terminal 30 voltage supply relay -J317-
3 - Automatic glow period control unit -J179-
AUDI A4 2003 Position of relays, relay carrier (4-pin), engine codes BSG, BPP, BTP, BKN, ASB, from August 2004 In electronics box in plenum chamber
1.1 - Fuel pump relay -J17-
1.2 - Starter inhibitor relay -J207-
2 - Terminal 30 voltage supply relay -J317-
3 - Automatic glow period control unit -J179-
AUDI A4 2003 Position of relays, relay carrier (4-pin), engine codes BGB, BPG, BWE, BWT, BUL, BPJ, BYK, from August 2004 In electronics box in plenum chamber
1.2 - Starter inhibitor relay -J217-
2 - Motronic current supply relay -J271-
3 - Engine component current supply relay -J757-
AUDI A4 2003 Position of relays, relay carrier (4-pin), engine code ALZ, from August 2004 In electronics box in plenum chamber
2 - Current supply relay for Simos control unit -J363-
3 - Secondary air pump relay -J299-
AUDI A4 2003 Position of relays, relay carrier (4-pin), engine code ALT, from August 2004 In electronics box in plenum chamber
2 - Motronic current supply relay -J271-
AUDI A4 2003 Position of relays, relay carrier (4-pin), engine code BDG, from August 2004 In electronics box in plenum chamber
1.1 - Fuel pump relay -J17-
1.2 - Starter inhibitor relay -J207-
2 - Terminal 30 voltage supply relay -J317-
3 - Glow plug relay -J52-
AUDI A4 2003 Position of relays, relay carrier (4-pin), engine codes BFB, BBK, BHF, from August 2004 In electronics box in plenum chamber
1.1 - Continued coolant circulation relay -J151-
1.2 - Starter inhibitor relay -J207-
- Starter inhibitor relay, clutch pedal switch ¹) -J434-
2 - Motronic current supply relay -J271-
3 - Secondary air pump relay -J299-
¹) For engine codes BBK, BHF only
AUDI A4 2003 Position of relays, relay carrier (4-pin), engine code AWA, from August 2004 In electronics box in plenum chamber
1.2 - Starter inhibitor relay -J207-
2 - Motronic current supply relay -J271-
AUDI A4 2003 Position of relays, relay carrier (4-pin), engine codes AUK, BKH, from August 2004 In electronics box in plenum chamber
1.1 - Additional coolant pump relay -J496-
2 - Motronic current supply relay -J271-
3 - Engine component current supply relay -J757-
AUDI A4 2003 Position of relays, relay carrier (4-pin), engine code BNS, from August 2004 In electronics box in plenum chamber
1.1 - Continued coolant circulation relay -J151-
1.2 - Brake servo relay -J569-
2 - Motronic current supply relay -J271-
3 - Engine component current supply relay -J757-
4 - Secondary air pump relay -J299-
AUDI A4 2003 Position of relays, relay carrier (4-pin), engine code BBJ, from August 2004 In electronics box in plenum chamber
1.1 - Continued coolant circulation relay ¹) -J151-
1.2 - Starter inhibitor relay ¹) -J207-
2 - Motronic current supply relay ¹) -J271-
3 - Secondary air pump relay ¹) -J299-
¹) for models with manual gearbox or with automatic gearbox (multitronic) only
AUDI A4 2003 Position of relays, relay carrier (4-pin), engine code BBJ, from August 2004 In electronics box in plenum chamber
1.1 - Continued coolant circulation relay ¹) -J151-
1.2 - Starter inhibitor relay ¹) -J207-
2 - Motronic current supply relay ¹) -J271-
3 - Secondary air pump relay ¹) -J299-
¹) for models with automatic gearbox (AG5) only
AUDI A4 2003 Position of relays, relay carrier for special vehicles 1 - Alarm system relay 2, main beam -J461-
2 - Taxi alarm system 2 control unit -J430-
3 - Alarm system control unit -J85-
4 - Alarm system control unit -J85-
5 - Alarm system relay 4, right turn signal -J463-
6 - Alarm system relay 3, left turn signal -J462-
1 - Main beam relay -J330-
2 - Special vehicle control unit -J608-
3 - Siren system relay -J408-
4 - Siren system relay -J408-
5 - Flasher relay for headlight main beam alarm system -J182-
AUDI A4 2003 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- On electronics box in plenum chamber
AUDI A4 2003 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- AUDI A4 2003 Fresh air blower control unit -J126- AUDI A4 2003 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- In the dash panel behind the display unit
AUDI A4 2003 Airbag control unit -J234- AUDI A4 2003 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- In left luggage compartment, behind side trim, on apron
AUDI A4 2003 Navigation operating electronics control unit -J402- for navigation system RNS-D only
AUDI A4 2003 Radio -R-
not for navigation system
AUDI A4 2003 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- for navigation system RNS-Low only
AUDI A4 2003 CD changer -R41-
AUDI A4 2003 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-
For models with telematics only
in electronics box under front passenger seat
AUDI A4 2003 Convenience system central control unit -J393- AUDI A4 2003 Driver door control unit -J386- AUDI A4 2003 Front passenger side door control unit -J387- In window regulator motor integrated
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