AUDI A4 2002 — 3.0 litre fuel injection engine (162 kW — Motronic — 6-cylinder), engine code AVK . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A4 2002 - Battery - starter - alternator

A	Battery
B	Starter
C	Alternator
C1	Voltage regulator
F194	Clutch pedal switch
J434	Starter inhibitor relay (clutch pedal switch)
S88	Strip fuse (main fuse)
T1	Single connector, black, engine compartment, right
T2	2-pin connector, black, engine compartment, right
T17e	17-pin connector, white, connector point, electronics box, plenum chamber
11	Earth point, in battery box
238	Earth connection -1-, in interior wiring harness
500	Screw connection -1- (30), on relay plate
*	Only models with manual gearbox
**	See applicable Current Flow Diagram: Automatic gearbox (multitronic 01J or AG5)

Wiring Diagram AUDI A4 2002 - Fuel pump relay - ignition/starter switch - fuses

D	Ignition/starter switch
J17	Fuel pump relay
S5	Fuse in fuse box/relay plate
S7	Fuse in fuse box/relay plate
S9	Fuse in fuse box/relay plate
S14	Fuse in fuse box/relay plate
S228	Fuse in fuse box
S232	Fuse in fuse box
S234	Fuse in fuse box
S243	Fuse in fuse box
T10a	10-pin connector, brown, connector point, electronics box, plenum chamber
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
A41	Positive (+) connection (50), 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
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
*	Only models with manual gearbox

Wiring Diagram AUDI A4 2002 - Motronic control unit - Motronic current supply relay - fuses

J217	Automatic gearbox control unit
J220	Motronic control unit
J271	Motronic current supply relay
S229	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
12	Earth point, in engine compartment, left
83	Earth connection -1-, in front right wiring harness
D50	Positive (+) connection (30), in engine compartment wiring harness
D173	Connection (87), in engine prewiring wiring harness
*	Only models with five-speed automatic gearbox (AG5)
**	Only models with automatic gearbox (multitronic 01J)

Wiring Diagram AUDI A4 2002 - Motronic control unit - injectors - fuel system diagnostic pump

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
T17d	17-pin connector, red, connector point, electronics box, plenum chamber
V144	Fuel system diagnostic pump
D95	Connection (injectors), in engine compartment wiring harness

Wiring Diagram AUDI A4 2002 - Air mass meter - Motronic control unit - activated charcoal filter system solenoid valve 1 - secondary air inlet valve - 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
D22	Connection (via fuse 234), in front right wiring harness

Wiring Diagram AUDI A4 2002 - Motronic control unit - coolant temperature senders - camshaft timing adjustment valves - continued coolant circulation pump - coolant shortage indicator switch

F66	Coolant shortage indicator switch
G2	Coolant temperature sender
G62	Coolant temperature sender
J151	Continued coolant circulation relay
J220	Motronic control unit
N205	Inlet camshaft timing adjustment valve -1-
N208	Inlet camshaft timing adjustment valve -2-
N318	Exhaust camshaft timing adjustment valve -1-
N319	Exhaust camshaft timing adjustment valve -2-
V51	Continued coolant circulation pump
T10	10-pin connector, black, connector point, electronics box, plenum chamber
83	Earth connection -1-, in front right wiring harness
220	Earth connection (sender earth), in engine wiring harness
269	Earth connection (sender earth) -1-, in dash panel wiring harness
327	Earth connection (sender earth), in engine compartment wiring harness
E7	Positive (+) connection (87a), in Motronic wiring harness
*	For countries with hot climate only

Wiring Diagram AUDI A4 2002 - 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 2002 - Hall senders - Motronic control unit

G40	Hall sender
G163	Hall sender 2
G300	Hall sender 3
G301	Hall sender 4
J220	Motronic control unit
J217	Automatic gearbox control unit
220	Earth connection (sender earth), in engine wiring harness
316	Earth connection (sender earth -2-), in engine wiring harness
D141	Connection (5V), in engine prewiring wiring harness
*	Only models with automatic gearbox (multitronic 01J)
**	Only models with five-speed automatic gearbox (AG5)

Wiring Diagram AUDI A4 2002 - 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)
T6	6-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 2002 - 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)
T6a	6-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 2002 - 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
12	Earth point, in engine compartment, left
83	Earth connection -1-, in front right wiring harness
220	Earth connection (sender earth), in engine wiring harness
316	Earth connection (sender earth -2-) in engine wiring harness
*	Only models with automatic gearbox (multitronic 01J or AG5)

Wiring Diagram AUDI A4 2002 - Accelerator pedal position senders - Motronic control unit - throttle valve control unit

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 control unit
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 models with manual gearbox
**	As of model year 2003 no longer fitted (phased-in modification)

Wiring Diagram AUDI A4 2002 - Motronic control unit - ignition coils

J220	Motronic control unit
N70	Ignition coil 1 with output stage
N127	Ignition coil 2 with output stage
N291	Ignition coil 3 with output stage
P	Spark plug connector
Q	Spark plugs
18	Earth point, on cylinder block
83	Earth connection -1-, in front right wiring harness
343	Earth connection (ignition coil), in injection system wiring harness
D23	Connection (via fuse 229), in front right wiring harness

Wiring Diagram AUDI A4 2002 - Motronic control unit - ignition coils

J217	Automatic gearbox control unit
J220	Motronic control unit
N292	Ignition coil 4 with output stage
N323	Ignition coil 5 with final output stage
N324	Ignition coil 6 with final output stage
P	Spark plug connector
Q	Spark plugs
T10	10-pin connector, black, connector point, electronics box, plenum chamber
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
83	Earth connection -1-, in front right wiring harness
343	Earth connection (ignition coil), in injection system wiring harness
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
D23	Connection (via fuse 229), in front right wiring harness
*	Only models with automatic gearbox (multitronic 01J)
**	Only models with five-speed automatic gearbox (AG5)
•	CAN bus (data bus)

Wiring Diagram AUDI A4 2002 - Control unit with display in dash panel insert - oil pressure switch - fuel pump - oil level/oil temperature sender

F1	Oil pressure switch
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 2002 - Control unit with display in dash panel insert - speedometer sender

G22	Speedometer sender (Hall sender, on gearbox)
G169	Fuel gauge sender -2-
J217	Automatic gearbox control unit
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
*	Does not apply to models with automatic gearbox (multitronic 01J)
**	Only models with automatic gearbox (multitronic 01J)
***	Only models with four-wheel drive

AUDI A4 2002 Overview of relay

Overview of relay    

1 -	Relay carrier (3-pin)

q	Components: -J359-, -J360-, -J608-

q	Location → page 803/4

2 -	Relay carrier (9-pin) with onboard supply control unit

q	Components: -J4-, -J9-, -J17-, -J53-, -J59-, -J236-, -J569-, -J695-

q	Location up to July 2004 → page 803/5

q	Location from August 2004 → page 803/6

q	Location component -J569- for engine code BNS → page 803/19

q	Location component -J17- for some engine variants ⇒ Item → 5 , page → 803/2

3 -	Relay carrier (4-pin) with screw connection

q	Components: -J662-, -J663-, -J610-

q	Location → page 803/7

4 -	Relay carrier for special vehicles

q	Components: -J85-, -J182-, -J330-, -J408-, -J430-, -J461-, -J462-, -J463-, -J608-

q	Location → page 803/22

Audi A4	Fitting Locations	No.  803 / 2

5 -	Relay carrier (4-pin)

q	Components: -J17-, -J52-, -J151-, -J179-, -J207-, -J271-, -J299-, -J317-, -J363-, -J434-, -J496-, -J569-, -J757-

q	Location for petrol engines, up to July 2004 → page 803/8

q	Location for diesel engines, up to July 2004 → page 803/9

q	Location for engine codes BKE, BRB, BNA, BLB, BRC, BPW, BVG, BVF, BRF, BRE, BVA, BRD → page 803/10

q	Location for engine codes BSG, BPP, BTP, BKN, ASB → page 803/11

q	Location for engine codes BGB, BPG, BWE, BWT, BUL, BPJ, BYK → page 803/12

q	Location for engine code ALZ → page 803/13

q	Location for engine code ALT → page 803/14

q	Location for engine code BDG → page 803/15

q	Location for engine codes BFB, BBK, BHF → page 803/16

q	Location for engine code AWA → page 803/17

Audi A4	Fitting Locations	No.  803 / 3

t	Location for engine codes AUK, BKH → page 803/18

t	Location for engine code BNS → page 803/19

t	Location for engine code BBJ, with manual gearbox or multitronic → page 803/20

t	Location for engine code BBJ with AG5 → page 803/21

Audi A4	Fitting Locations	No.  803 / 4

Position of relays, relay carrier (3-pin)

Location: Driver side dash panel Position of relays: 1 -  Special vehicle control unit (driving school vehicle, taxi) -J608- 2 -  Low heat output relay -J359- 3 -  High heat output relay -J360-

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Audi A4	Fitting Locations	No.  803 / 5

AUDI A4 2002 Position of relays, relay carrier (9-pin) with onboard supply control unit, up to July 2004 Position of relays, relay carrier (9-pin) with onboard supply control unit, up to July 2004

Location: Driver side dash panel, behind the relay carrier (3-pin) Position of relays: 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-

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Audi A4	Fitting Locations	No.  803 / 6

AUDI A4 2002 Position of relays, relay carrier (9-pin) with onboard supply control unit, from August 2004 Position of relays, relay carrier (9-pin) with onboard supply control unit, from August 2004

Location: Driver side dash panel, behind the relay carrier (3-pin) Position of relays: 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

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Audi A4	Fitting Locations	No.  803 / 7

AUDI A4 2002 Position of relays, relay carrier (4-pin) with screw connection Position of relays, relay carrier (4-pin) with screw connection

Location: Driver side dash panel Position of relays: 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-

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Audi A4	Fitting Locations	No.  803 / 8

AUDI A4 2002 Position of relays, relay carrier (4-pin), petrol engines, up to July 2004 Position of relays, relay carrier (4-pin), petrol engines, up to July 2004

Location: In electronics box in plenum chamber Position of relays: 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

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Audi A4	Fitting Locations	No.  803 / 9

AUDI A4 2002 Position of relays, relay carrier (4-pin), diesel engines, up to July 2004 Position of relays, relay carrier (4-pin), diesel engines, up to July 2004

Location: In electronics box in plenum chamber Position of relays: 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

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Audi A4	Fitting Locations	No.  803 / 10

AUDI A4 2002 Position of relays, relay carrier (4-pin), engine codes BKE, BRB, BNA, BLB, BRC, BPW, BVG, BVF, BRF, BRE, BVA, BRD, from August 2004 Position of relays, relay carrier (4-pin), engine codes BKE, BRB, BNA, BLB, BRC, BPW, BVG, BVF, BRF, BRE, BVA, BRD, from August 2004

Location: In electronics box in plenum chamber Position of relays: 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-

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Audi A4	Fitting Locations	No.  803 / 11

AUDI A4 2002 Position of relays, relay carrier (4-pin), engine codes BSG, BPP, BTP, BKN, ASB, from August 2004 Position of relays, relay carrier (4-pin), engine codes BSG, BPP, BTP, BKN, ASB, from August 2004

Location: In electronics box in plenum chamber Position of relays: 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-

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Audi A4	Fitting Locations	No.  803 / 12

AUDI A4 2002 Position of relays, relay carrier (4-pin), engine codes BGB, BPG, BWE, BWT, BUL, BPJ, BYK, from August 2004 Position of relays, relay carrier (4-pin), engine codes BGB, BPG, BWE, BWT, BUL, BPJ, BYK, from August 2004

Location: In electronics box in plenum chamber Position of relays: 1.2 -  Starter inhibitor relay -J217- 2 -  Motronic current supply relay -J271- 3 -  Engine component current supply relay -J757-

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Audi A4	Fitting Locations	No.  803 / 13

AUDI A4 2002 Position of relays, relay carrier (4-pin), engine code ALZ, from August 2004 Position of relays, relay carrier (4-pin), engine code ALZ, from August 2004

Location: In electronics box in plenum chamber Position of relays: 2 -  Current supply relay for Simos control unit -J363- 3 -  Secondary air pump relay -J299-

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Audi A4	Fitting Locations	No.  803 / 14

AUDI A4 2002 Position of relays, relay carrier (4-pin), engine code ALT, from August 2004 Position of relays, relay carrier (4-pin), engine code ALT, from August 2004

Location: In electronics box in plenum chamber Position of relays: 2 -  Motronic current supply relay -J271-

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Audi A4	Fitting Locations	No.  803 / 15

AUDI A4 2002 Position of relays, relay carrier (4-pin), engine code BDG, from August 2004 Position of relays, relay carrier (4-pin), engine code BDG, from August 2004

Location: In electronics box in plenum chamber Position of relays: 1.1 -  Fuel pump relay -J17- 1.2 -  Starter inhibitor relay -J207- 2 -  Terminal 30 voltage supply relay -J317- 3 -  Glow plug relay -J52-

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Audi A4	Fitting Locations	No.  803 / 16

AUDI A4 2002 Position of relays, relay carrier (4-pin), engine codes BFB, BBK, BHF, from August 2004 Position of relays, relay carrier (4-pin), engine codes BFB, BBK, BHF, from August 2004

Location: In electronics box in plenum chamber Position of relays: 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

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Audi A4	Fitting Locations	No.  803 / 17

AUDI A4 2002 Position of relays, relay carrier (4-pin), engine code AWA, from August 2004 Position of relays, relay carrier (4-pin), engine code AWA, from August 2004

Location: In electronics box in plenum chamber Position of relays: 1.2 -  Starter inhibitor relay -J207- 2 -  Motronic current supply relay -J271-

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Audi A4	Fitting Locations	No.  803 / 18

AUDI A4 2002 Position of relays, relay carrier (4-pin), engine codes AUK, BKH, from August 2004 Position of relays, relay carrier (4-pin), engine codes AUK, BKH, from August 2004

Location: In electronics box in plenum chamber Position of relays: 1.1 -  Additional coolant pump relay -J496- 2 -  Motronic current supply relay -J271- 3 -  Engine component current supply relay -J757-

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Audi A4	Fitting Locations	No.  803 / 19

AUDI A4 2002 Position of relays, relay carrier (4-pin), engine code BNS, from August 2004 Position of relays, relay carrier (4-pin), engine code BNS, from August 2004

Location: In electronics box in plenum chamber Position of relays: 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-

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Audi A4	Fitting Locations	No.  803 / 20

AUDI A4 2002 Position of relays, relay carrier (4-pin), engine code BBJ, from August 2004 Position of relays, relay carrier (4-pin), engine code BBJ, from August 2004

Location: In electronics box in plenum chamber Position of relays: 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

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Audi A4	Fitting Locations	No.  803 / 21

AUDI A4 2002 Position of relays, relay carrier (4-pin), engine code BBJ, from August 2004 Position of relays, relay carrier (4-pin), engine code BBJ, from August 2004

Location: In electronics box in plenum chamber Position of relays: 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

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Audi A4	Fitting Locations	No.  803 / 22

AUDI A4 2002 Position of relays, relay carrier for special vehicles Position of relays, relay carrier for special vehicles

Location: Driver side dash panel Position of relays, taxi 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- Position of relays, police 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- 6 -  Vacant

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AUDI A4 2002 Overview of fuses

Overview of fuses    

1 -	Main fuse: Strip fuse -S88-

q	Location → page 802/5

2 -	Coupling station of A-pillar

q	Components: -S46-

q	Location → page 802/6

3 -	Relay carrier (3-pin)

q	Components: -S126-, -S328-

q	Location → page 802/7

4 -	Relay carrier (9-pin) with onboard supply control unit

q	Components: -S37-, -S45-, -S87-, -S100-, -S184-, -S280-

q	Location → page 802/8

5 -	Relay carrier (4-pin) with screw connection

q	Components: -S42-, -S51-, -S123-, -S214-

q	Location up to July 2004 → page 802/9

q	Location from August 2004 → page 802/10

Audi A4	Fitting Locations	No.  802 / 2

6 -	Fuse holder

q	Components: -S1- up to -S22- and -S223- up to -S244-

q	Location up to July 2004 → page 802/25

q	Location from August 2004 → page 802/32

7 -	Fuse holder for special vehicles

q	Components: -S55-, -S57-, -S182-, -S183-, -S184-, -S291-, -S292-, -S293-, S294-, -S295-, -S296-, -S297-, -S298-

q	Location taxi → page 802/38

q	Location police → page 802/39

Audi A4	Fitting Locations	No.  802 / 3

8 -	Relay carrier (4-pin)

q	Components: -S23-, -S39-, -S73-, -S102-, -S116-, -S130-, -S131-, -S189-, -S282-, -S283-, -S286-, -S344-, -S345-

q	Location for petrol engines, up to July 2004 → page 802/11

q	Location for diesel engines, up to July 2004 → page 802/12

q	Location for engine codes BKE, BRB, BNA, BLB, BRC, BPW, BVG, BVF, BRF, BRE, BVA, BRD → page 802/13

q	Location for engine codes BSG, BPP, BTP, BKN, ASB → page 802/14

q	Location for engine codes BGB, BPG, BWE, BWT, BUL, BPJ, BYK → page 802/15

q	Location for engine code ALZ → page 802/16

q	Location for engine code ALT → page 802/17

q	Location for engine code BDG → page 802/18

q	Location for engine codes BFB, BBK, BHF → page 802/19

q	Location for engine code AWA → page 802/20

Audi A4	Fitting Locations	No.  802 / 4

t	Location for engine codes AUK, BKH → page 802/21

t	Location for engine code BNS → page 802/22

t	Location for engine code BBJ, with manual gearbox or multitronic → page 802/23

t	Location for engine code BBJ with AG5 → page 802/24

Audi A4	Fitting Locations	No.  802 / 5

Main fuse

Location: On the battery S88 -  Strip fuse

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Audi A4	Fitting Locations	No.  802 / 6

AUDI A4 2002 Position of fuses, coupling station of A-pillar Position of fuses, coupling station of A-pillar

Location: bottom right, behind the trim Fuses: E -  Seat adjustment fuse -S46- E -  Seat adjustment fuse -S46- (with lumbar support adjustment)

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Audi A4	Fitting Locations	No.  802 / 7

AUDI A4 2002 Position of fuses, relay carrier (3-pin) Position of fuses, relay carrier (3-pin)

Location: Driver side dash panel Fuses: A ¹) -  Auxiliary heater fuse -S62- B -  Auxiliary heater fuse -S126- C -  Auxiliary heater fuse 2 -S328- ¹) applicable up to model year 2003

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Audi A4	Fitting Locations	No.  802 / 8

AUDI A4 2002 Position of fuses, relay carrier (9-pin) with onboard supply control unit Position of fuses, relay carrier (9-pin) with onboard supply control unit

Location: Driver side dash panel, behind the relay carrier (3-pin) Fuses: 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-

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Audi A4	Fitting Locations	No.  802 / 9

AUDI A4 2002 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

Location: Driver side dash panel Fuses: B -  Optional equipment: vermin repellent E -  Radiator fan run-on fuse -S214- F -  Special vehicle fuse G -  Radiator fan single fuse -S42- H -  ABS control unit fuse 1 -S123-

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Audi A4	Fitting Locations	No.  802 / 10

AUDI A4 2002 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

Location: Driver side dash panel Fuses: 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

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Audi A4	Fitting Locations	No.  802 / 11

AUDI A4 2002 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

Location: In electronics box in plenum chamber Fuses: A -  Engine electronics fuse -S282- B -  Secondary air pump fuse -S130- C -  Automatic gearbox fuse, run-on -S286-

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Audi A4	Fitting Locations	No.  802 / 12

AUDI A4 2002 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

Location: In electronics box in plenum chamber Fuses: 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.

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Audi A4	Fitting Locations	No.  802 / 13

AUDI A4 2002 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

Location: In electronics box in plenum chamber Fuses: 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-

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Audi A4	Fitting Locations	No.  802 / 14

AUDI A4 2002 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

Location: In electronics box in plenum chamber Fuses: 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-

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Audi A4	Fitting Locations	No.  802 / 15

AUDI A4 2002 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

Location: In electronics box in plenum chamber Fuses: A -  Engine electronics fuse -S282- B -  Engine electronics fuse 3 -S345- C -  Engine control unit fuse -S102- D -  Fuse 1 -S131- E -  Engine electronics fuse 2 -S344- G -  Automatic gearbox fuse, run-on -S286-

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Audi A4	Fitting Locations	No.  802 / 16

AUDI A4 2002 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

Location: In electronics box in plenum chamber Fuses: A -  Engine electronics fuse 2 -S344- B -  Secondary air pump fuse -S130- D -  Engine control unit fuse -S102- E -  Injector fuse -S116- G -  Engine electronics fuse -S282-

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Audi A4	Fitting Locations	No.  802 / 17

AUDI A4 2002 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

Location: In electronics box in plenum chamber Fuses: A -  Engine electronics fuse 2 -S344- B -  Engine electronics fuse -S282- C -  Automatic gearbox fuse, run-on -S286- D -  Engine control unit fuse -S102- E -  Injector fuse -S116-

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Audi A4	Fitting Locations	No.  802 / 18

AUDI A4 2002 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

Location: In electronics box in plenum chamber Fuses: 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

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Audi A4	Fitting Locations	No.  802 / 19

AUDI A4 2002 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

Location: In electronics box in plenum chamber Fuses: 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- E -  Injector fuse -S116- G -  Engine electronics fuse -S282- H¹) -  Heater fuse ²) -S23- ¹) on the relay carrier underside ²) for China only

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Audi A4	Fitting Locations	No.  802 / 20

AUDI A4 2002 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

Location: In electronics box in plenum chamber Fuses: A -  Engine electronics fuse -S282- B -  Engine electronics fuse 2 -S344- C -  Automatic gearbox fuse, run-on -S286- D -  Fuse 1 -S131- H ¹) -  Engine electronics fuse 3 -S345- ¹) on the relay carrier underside

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Audi A4	Fitting Locations	No.  802 / 21

AUDI A4 2002 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

Location: In electronics box in plenum chamber Fuses: A -  Engine electronics fuse 2 -S344- B -  Engine electronics fuse -S282- C -  Engine control unit fuse -S102- D -  Fuse 1 -S131- E -  Lambda probe heating thermal fuse -S73- G -  Automatic gearbox fuse, run-on -S286-

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Audi A4	Fitting Locations	No.  802 / 22

AUDI A4 2002 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

Location: In electronics box in plenum chamber Fuses: A -  Engine electronics fuse 2 -S344- B -  Engine electronics fuse -S282- C -  Engine control unit fuse -S102- D -  Fuse 1 -S131- 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

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Audi A4	Fitting Locations	No.  802 / 23

AUDI A4 2002 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

Location: In electronics box in plenum chamber Fuses: 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

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Audi A4	Fitting Locations	No.  802 / 24

AUDI A4 2002 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

Location: In electronics box in plenum chamber Fuses: 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

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Audi A4	Fitting Locations	No.  802 / 25

AUDI A4 2002 Position of fuses, fuse holder, up to July 2004 Position of fuses, fuse holder, up to July 2004

Location: Driver side dash panel Fuse colours 35 A -  green-blue 30 A -  green 25 A -  white 20 A -  yellow 15 A -  blue 10 A -  red 7,5 A -  brown 5 A -  beige   Note: From fuse number 23 upwards the fuses in the fuse holder are designated as 223 in the Current Flow Diagram

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Audi A4	Fitting Locations	No.  802 / 26

Position of fuses, up to July 2004:

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
1	-	S1 - Fuse in relay plate fuse holder	10 A	-	J255 - Climatronic control unit	30
2	-	S2 - Fuse in relay plate fuse holder	5 A	-	W9 - Left footwell light W10 - Right footwell light W45 - Rear left footwell light W46 - Rear right footwell light	30
3	-	S3 - Fuse in relay plate fuse holder	5 A	-	Z20 - Left washer jet heater element Z21 - Right washer jet heater element	75x
4	-	S4 - Fuse in relay plate fuse holder	5 A	-	J293 - Radiator fan control unit J671 - Radiator fan control unit 2	87
5	-	S5 - Fuse in relay plate fuse holder	10 A	-	E128 - Heated rear left seat switch with regulator E129 - Heated rear right seat switch with regulator F189 - Tiptronic switch G226 - Oil level and oil temperature sender	15
6	-	S6 - Fuse in relay plate fuse holder	5 A	-	G65 - High-pressure sender G238 - Air quality sensor	15
7	-	S7 - Fuse in relay plate fuse holder	10 A	-	E132 - Traction control system switch F36 - Clutch pedal switch F47 - Brake pedal switch J104 - ABS control unit	15
8	-	S8 - Fuse in relay plate fuse holder	5 A	-	R36 - Telephone transmitter and receiver unit R86 - Aerial amplifier for mobile telephone	30
9	-	S9 - Fuse in relay plate fuse holder	15 A	-	J569 - Brake servo relay	30

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 / 28

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
19	-	S19 - Fuse in relay plate fuse holder	15 A	-	E1 - Lighting switch	75x
20	-	S20 - Fuse in relay plate fuse holder	15 A	-	J85 - Alarm system control unit J344 - Right gas discharge light control unit M31 - Right headlight dipped beam bulb V49 - Right headlight range control motor	56
21	-	S21 - Fuse in relay plate fuse holder	15 A	-	J85 - Alarm system control unit J343 - Left gas discharge light control unit J519 - Onboard power supply control unit M29 - Left headlight dipped beam bulb V48 - Left headlight range control motor	56
22	-	S22 - Fuse in relay plate fuse holder	15 A	-	J386 - Driver door control unit J387 - Front passenger side door control unit	30
23	-	S223 - Fuse on fuse holder	15 A	-	J388 - Rear left door control unit J389 - Rear right door control unit	30
24	-	S224 - Fuse on fuse holder	20 A	-	J393 - Convenience system central control unit	30
25	-	S225 - Fuse on fuse holder	30 A	-	J126 - Fresh air blower control unit	30
26	-	S226 - Fuse on fuse holder	30 A	-	E87 - Operating and display unit for air conditioning system/Climatronic	30
27	-	S227 - Fuse on fuse holder	30 A	-	J345 - Trailer detector control unit	30
28	-	S228 - Fuse on fuse holder	20 A	-	G6 - Fuel system pressurisation pump	87

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 / 30

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
34	-	S234 - Fuse on fuse holder	20 A	-	G70 - Air mass meter J299 - Secondary air pump relay N80 - Activated charcoal filter system solenoid valve 1 N112 - Secondary air inlet valve N144 - Left electrohydraulic engine mounting solenoid valve N145 - Right electrohydraulic engine mounting solenoid valve N156 - Variable intake manifold change-over valve N220 - Exhaust flap valve N276 - Fuel pressure regulating valve Z19 - Lambda probe heater Z28 - Lambda probe 2 heater Z29 - Lambda probe 1 heater after catalytic converter Z30 - Lambda probe 2 heater after catalytic converter V144 - Fuel system diagnostic pump	87
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 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
38	-	S238 - Fuse on fuse holder	15 A	-	G303 - Interior monitor send and receive module 1 H12 - Alarm horn J393 - Convenience system central control unit	30
39	-	S239 - Fuse on fuse holder	20 A	-	J402 - Navigation operating electronics control unit R - Radio R12 - Amplifier T8 - 8-connector, black, radio connector III	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	Fitting Locations	No.  802 / 32

AUDI A4 2002 Position of fuses, fuse holder, from August 2004 Position of fuses, fuse holder, from August 2004

Location: Driver side dash panel Fuse colours 35 A -  green-blue 30 A -  green 25 A -  white 20 A -  yellow 15 A -  blue 10 A -  red 7,5 A -  brown 5 A -  beige   Note: From fuse number 23 upwards the fuses in the fuse holder are designated as 223 in the Current Flow Diagram

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Audi A4	Fitting Locations	No.  802 / 33

Fuse location from August 2004:

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
1	-	S1 - Fuse in relay plate fuse holder	10 A	-	J255 - Climatronic control unit	30
2	-	S2 - Fuse in relay plate fuse holder	5 A	-	W9 - Left footwell light W10 - Right footwell light W45 - Rear left footwell light W46 - Rear right footwell light	30
3	-	S3 - Fuse in relay plate fuse holder	5 A	-	Z20 - Left washer jet heater element Z21 - Right washer jet heater element	75x
4	-	S4 - Fuse in relay plate fuse holder	5 A	-	J293 - Radiator fan control unit J671 - Radiator fan control unit 2	87
5	-	S5 - Fuse in relay plate fuse holder	10 A	-	E149 - Rear roller blind switch E272 - Function selection switch 2 F189 - Tiptronic switch G226 - Oil level and oil temperature sender J262 - Rear roller blind control unit J401 - Navigation system with CD drive control unit J446 - Parking aid control unit	15
6	-	S6 - Fuse in relay plate fuse holder	5 A	-	G65 - High-pressure sender G238 - Air quality sensor	15
7	-	S7 - Fuse in relay plate fuse holder	10 A	-	E132 - Traction control system switch F36 - Clutch pedal switch F47 - Brake pedal switch J104 - ABS control unit	15
8	-	S8 - Fuse in relay plate fuse holder	5 A	-	R36 - Telephone transmitter and receiver unit R86 - Aerial amplifier for mobile telephone	30
9	-	S9 - Fuse in relay plate fuse holder	15 A	-	J569 - Brake servo relay	30

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 / 35

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
19	-	S19 - Fuse in relay plate fuse holder	15 A	-	L22 - Left fog light bulb L23 - Right fog light bulb	55
20	-	S20 - Fuse in relay plate fuse holder		-	Vacant
21	-	S21 - Fuse in relay plate fuse holder		-	Vacant
22	-	S22 - Fuse in relay plate fuse holder	15 A	-	J386 - Driver door control unit J387 - Front passenger side door control unit	30
23	-	S223 - Fuse on fuse holder	15 A	-	J388 - Rear left door control unit J389 - Rear right door control unit	30
24	-	S224 - Fuse on fuse holder	20 A	-	J393 - Convenience system central control unit	30
25	-	S225 - Fuse on fuse holder	30 A	-	J126 - Fresh air blower control unit	30
26	-	S226 - Fuse on fuse holder	30 A	-	J9 - Heated rear window relay	30
27	-	S227 - Fuse on fuse holder	30 A	-	J345 - Trailer detector control unit	30
28	-	S228 - Fuse on fuse holder	20 A 30 A	-	G6 - Fuel system pressurisation pump J538 - Fuel pump control unit G6 - Fuel system pressurisation pump ¹) J538 - Fuel pump control unit ¹)	87

Note: ¹) for models with engine code BNS only

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 / 37

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
38	-	S238 - Fuse on fuse holder	15 A	-	G303 - Interior monitor send and receive module 1 H12 - Alarm horn J393 - Convenience system central control unit	30
39	-	S239 - Fuse on fuse holder	20 A	-	J401 - Navigation system with CD drive control unit J503 - Control unit with display for radio and navigation system T8 - 8-connector, black, radio connector III R - Radio R12 - Amplifier R146 - Satellite radio	30
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	-	G70 - Air mass meter G212 - Exhaust gas recirculation potentiometer J363 - Current supply relay for Simos control unit J623 - Engine control unit J757 - Engine component current supply relay N18 - Exhaust gas recirculation valve	15
44	-	S244 - Fuse on fuse holder	30 A 35 A	-	J255 - Climatronic control unit ¹) J255 - Climatronic control unit ²)	30

Notes: t  ¹) applicable up to model year 2005 t  ²) applicable from model year 2006

Audi A4	Fitting Locations	No.  802 / 38

AUDI A4 2002 Position of fuses, fuse holder for special vehicle - taxi Position of fuses, fuse holder for special vehicle - taxi

Location: Driver side dash panel Fuse location 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

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Audi A4	Fitting Locations	No.  802 / 39

AUDI A4 2002 Position of fuses, fuse holder for special vehicle - police Position of fuses, fuse holder for special vehicle - police

Location: Driver side dash panel Fuse location 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

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AUDI A4 2002

AUDI A4 2002 Overview of earth points in engine compartment

Overview of earth points in engine compartment    

1 -	Earth point, in battery box -11-

q	Location ⇒ page → 801/6

2 -	Earth point, starter battery -624-

q	Location → page 801/11

3 -	Earth point, on left in engine compartment -12-

q	not for 2,0 l engine FSI, not for 2,5 l engine TDI, location → page 801/6

q	only for 2.0 l FSI motor, location → page 801/7

q	only for 2,5 l engine TDI, location → page 801/7

4 -	Earth point, on front apron -26-

q	Location → page 801/10

5 -	Earth point, near coil -19-

q	Location → page 801/10

6 -	Earth point, on engine block -18-

q	only for 1.8 l engine, location → page 801/8

q	only for 2.0 l FSI motor, location → page 801/9

q	only for 3.0 l engine, location → page 801/9

Audi A4	Fitting Locations	No.  801 / 2

Overview of earth points in vehicle interior

1 -	Earth point, lower part of right A-pillar -43-

q	Location → page 801/13

2 -	Earth point, on right behind dash panel -33-

q	Location → page 801/12

3 -	Earth point (audio), under centre console, front -610-

q	Location → page 801/15

4 -	Earth point, lower part of right B-pillar -78-

q	Location → page 801/15

5 -	Earth point, lower part of left B-pillar -77-

q	Location → page 801/14

6 -	Earth point, near convenience system central control unit -49-

q	Location → page 801/14

Audi A4	Fitting Locations	No.  801 / 3

7 -	Earth point, lower part of left A-pillar -44-

q	Location → page 801/13

8 -	Earth point, on left behind dash panel -32-

q	Location → page 801/12

Audi A4	Fitting Locations	No.  801 / 4

Overview of earth points in luggage compartment - saloon models   Note: ♦ Overview of luggage compartment - Avant models → Page 801/5

1 -	Earth point, right D-pillar -654-

q	Location → page 801/17

2 -	Earth point in luggage compartment -701-

q	Location → page 801/17

3 -	Earth point, left D-pillar -653-

q	Location → page 801/16

4 -	Earth point, on left in luggage compartment -50-

q	Location → page 801/16

Audi A4	Fitting Locations	No.  801 / 5

Overview of earth points in luggage compartment - Avant models

1 -	Earth point, right D-pillar -654-

q	Location → page 801/20

2 -	Earth point, on right in rear lid -53-

q	Location → page 801/19

3 -	Earth point, left D-pillar -653-

q	Location → page 801/20

4 -	Earth point, on left in rear lid -52-

q	Location → page 801/19

5 -	Earth point, on left in luggage compartment -50-

q	Location → page 801/18

Audi A4	Fitting Locations	No.  801 / 6

AUDI A4 2002 Earth point, in engine compartment Earth point, in engine compartment    11 Earth point, in battery box -arrow-

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Torque: 20 Nm    12 Earth point, in engine compartment, left -arrow- on bulkhead Torque: 9 Nm not for 2,0 l engine FSI not for 2,5 l engine TDI

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Audi A4	Fitting Locations	No.  801 / 7

12 Earth point, in engine compartment, left -arrow- on bulkhead Torque: 9 Nm

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only for 2,0 l engine FSI    12 Earth point, in engine compartment, left -arrow- on bulkhead Torque: 9 Nm only for 2,5 l engine TDI

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Audi A4	Fitting Locations	No.  801 / 8

18 Earth point on engine block -arrow- Torque: 8 Nm

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only for 1.8 l engine    18 Earth point on engine block -arrow- Torque: 8 Nm only for 2.0 l engine

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Audi A4	Fitting Locations	No.  801 / 9

18 Earth point on engine block -arrow- Torque: 9 Nm

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only for 2,0 l engine FSI    18 Earth point on engine block -arrow- Torque: 8 Nm only for 3.0 l engine

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Audi A4	Fitting Locations	No.  801 / 10

19 Earth point, near coil -arrow- Torque: 8 Nm

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only for 4.2 l engine    26 Earth point, on front apron -arrow- Torque: 9 Nm

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Audi A4	Fitting Locations	No.  801 / 11

624 Earth point, starter battery -arrow- Torque: 7.5 Nm

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Audi A4	Fitting Locations	No.  801 / 12

AUDI A4 2002 Earth points, in interior Earth points, in interior    32 Earth point behind dash panel on left -arrow-

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Torque: 9 Nm    33 Earth point behind dash panel on right -arrow- Torque: 9 Nm

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Audi A4	Fitting Locations	No.  801 / 13

43 Earth point, lower part of right A-pillar -arrow-

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Torque: 9 Nm    44 Earth point, lower part of left A-pillar -arrow- Torque: 9 Nm

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Audi A4	Fitting Locations	No.  801 / 14

49 Earth point, near convenience system central control unit -arrow-

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Torque: 9 Nm    77 Earth point, lower part of left B-pillar -arrow- Torque: 9 Nm

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Audi A4	Fitting Locations	No.  801 / 15

78 Earth point, lower part of right B-pillar -arrow-

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Torque: 9 Nm    610 Earth point (audio), under centre console, front -arrow- Torque: 9 Nm

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Audi A4	Fitting Locations	No.  801 / 16

AUDI A4 2002 Earth point, in luggage compartment - saloon models Earth point, in luggage compartment - saloon models    50 Earth point, on left in luggage compartment -arrow-

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Torque: 9 Nm    653 Earth point, left D-pillar -arrow- Torque: 9 Nm

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Audi A4	Fitting Locations	No.  801 / 17

654 Earth point, right D-pillar -arrow-

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Torque: 9 Nm    701 Earth point, in luggage compartment -arrow- Torque: 20 Nm

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Audi A4	Fitting Locations	No.  801 / 18

Earth point, in luggage compartment - Avant models    50 Earth point, on left in luggage compartment -arrow- Torque: 9 Nm

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Audi A4	Fitting Locations	No.  801 / 19

52 Earth point, on left in rear lid -arrow-

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Torque: 9 Nm    53 Earth point, on right in rear lid -arrow- Torque: 9 Nm

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Audi A4	Fitting Locations	No.  801 / 20

653 Earth point, left D-pillar -arrow-

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Torque: 9 Nm    654 Earth point, right D-pillar -arrow- Torque: 9 Nm

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AUDI A4 2002 Control units overview

Control units overview    

1 -	Heated windscreen control unit -J505-

q	Location → page 804/4

2 -	CD changer -R41-

q	Location → page 804/13

3 -	Fresh air blower control unit -J126-

q	Location ⇒ page → 804/7

4 -	Headlight range control, control unit -J431-

q	Location → page 804/7

5 -

Radio -R-

q	not for navigation system

q	Location → page 804/11

5 -	Navigation operating electronics control unit -J402-

q	for navigation system RNS-D only

q	Location → page 804/11

5 -	Control unit with display for radio and navigation system -J503-

q	for navigation system RNS-Low only

q	Location → page 804/13

Audi A4	Fitting Locations	No.  804 / 2

5 -	Navigation system with CD drive control unit -J401-

q	Location for navigation system NS-Low → page 804/12

q	Location for navigation system RNS-E → page 804/12

6 -	Telephone and telematics control unit, telematics -J526-

q	Location → page 804/14

6 -	Language input control unit -J507-

q	Location → page 804/14

7 -	Steering column electronics control unit -J527-

q	Location → page 804/8

8 -	Front passenger side door control unit -J387-

q	Location → page 804/16

9 -	Display control unit in dash panel insert -J285-

q	Location → page 804/8

10 -	Airbag control unit -J234-

q	Location → page 804/9

11 -	Driver door control unit -J386-

q	Location → page 804/16

Audi A4	Fitting Locations	No.  804 / 3

12 -	Convenience system central control unit -J393-

q	Location → page 804/15

13 -	Onboard power supply control unit -J519-

q	Location → page 804/9

14 -	Motronic control unit -J220-

14 -	Diesel direct injection system control unit -J248-

14 -	Simos control unit -J361-

q	Location → page 804/4

15 -	Automatic gearbox control unit -J217-

q	not for models with multitronic®

q	Location → page 804/5

16 -	ABS control unit -J104-

q	Location → page 804/6

17 -	Automatic gearbox control unit -J217-

q	for models with multitronic® only

q	Location → page 804/5

18 -	Radiator fan control unit -J293-

q	Location → page 804/6

Audi A4	Fitting Locations	No.  804 / 4

Heated windscreen control unit -J505-

Location: On right in plenum chamber, next to battery AUDI A4 2002 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-

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Location: On electronics box in plenum chamber

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Audi A4	Fitting Locations	No.  804 / 5

AUDI A4 2002 Automatic gearbox control unit -J217- Automatic gearbox control unit -J217- not for models with multitronic® Location:

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In electronics box in plenum chamber for models with multitronic® only Location: In gearbox

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Audi A4	Fitting Locations	No.  804 / 6

AUDI A4 2002 ABS control unit -J104- ABS control unit -J104-

Location: In engine compartment, on front left hydraulic unit AUDI A4 2002 Radiator fan control unit -J293- Radiator fan control unit -J293-

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Location: on radiator fan

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Audi A4	Fitting Locations	No.  804 / 7

AUDI A4 2002 Fresh air blower control unit -J126- Fresh air blower control unit -J126-

Location: Behind the glove box, in fresh air blower AUDI A4 2002 Headlight range control, control unit -J431- Headlight range control, control unit -J431-

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Location: Behind the glove box

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Audi A4	Fitting Locations	No.  804 / 8

AUDI A4 2002 Steering column electronics control unit -J527- Steering column electronics control unit -J527-

Location: On steering column AUDI A4 2002 Display control unit in dash panel insert -J285- Display control unit in dash panel insert -J285-

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Location: In the dash panel behind the display unit

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Audi A4	Fitting Locations	No.  804 / 9

AUDI A4 2002 Airbag control unit -J234- Airbag control unit -J234-

Location: On centre tunnel, under handbrake lever AUDI A4 2002 Onboard power supply control unit -J519- Onboard power supply control unit -J519-

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Location: Behind driver's storage compartment

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Audi A4	Fitting Locations	No.  804 / 10

AUDI A4 2002 Trailer detector control unit -J345- Trailer detector control unit -J345-

Location: In left luggage compartment, behind side trim AUDI A4 2002 Parking aid control unit -J446- Parking aid control unit -J446-

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Location: In left luggage compartment, behind side trim, on apron

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Audi A4	Fitting Locations	No.  804 / 11

AUDI A4 2002 Navigation operating electronics control unit -J402- Navigation operating electronics control unit -J402- for navigation system RNS-D only Location: in centre console

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AUDI A4 2002 Radio -R- Radio -R- not for navigation system Location: in centre console

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Audi A4	Fitting Locations	No.  804 / 12

AUDI A4 2002 Navigation system with CD drive control unit -J401- Navigation system with CD drive control unit -J401- For navigation system NS-Low only Location:

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in centre console For navigation system RNS-E only Location: in centre console

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Audi A4	Fitting Locations	No.  804 / 13

AUDI A4 2002 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 Location: in centre console AUDI A4 2002 CD changer -R41- CD changer -R41-

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Location: In glove compartment

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Audi A4	Fitting Locations	No.  804 / 14

AUDI A4 2002 Telephone and telematics control unit, telematics -J526- Telephone and telematics control unit, telematics -J526- For models with telematics only Location: in electronics box under front passenger seat

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AUDI A4 2002 Language input control unit -J507- Language input control unit -J507- For models with telematics only Location: in electronics box under front passenger seat

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Audi A4	Fitting Locations	No.  804 / 15

AUDI A4 2002 Convenience system central control unit -J393- Convenience system central control unit -J393-

Location: on sill, front left

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Audi A4	Fitting Locations	No.  804 / 16

AUDI A4 2002 Driver door control unit -J386- Driver door control unit -J386-

Location: In window regulator motor integrated AUDI A4 2002 Front passenger side door control unit -J387- Front passenger side door control unit -J387-

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Location: In window regulator motor integrated

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