AUDI A2 2003 – Body electrical for 1.2 litre TDI, engine code ANY . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A2 2003 - Earth connections

43	Earth point, lower part of right A pillar
44	Earth point, lower part of left A pillar
50	Earth point, luggage compartment, left
61	Earth point, left C pillar
98	Earth connection, in rear lid wiring harness
119	Earth connection -1-, in headlight wiring harness
176	Earth connection, in right headlight wiring harness
179	Earth connection, in left headlight wiring harness
238	Earth connection -1-, in interior wiring harness
*	From chassis number 20000 onwards no longer fitted, phased-in modification
**	Phased-in modification

Wiring Diagram AUDI A2 2003 - Earth connections

T17	17-pin connector, brown, in footwell, front left
12	Earth point, in engine compartment, left
44	Earth point, lower part of left A pillar
249	Earth connection -2-, in interior wiring harness
277	Earth connection -3-, in interior wiring harness
279	Earth connection -5-, in interior wiring harness
284	Earth connection -6-, in interior wiring harness

Wiring Diagram AUDI A2 2003 - Ignition/starter switch - X contact relief relay - consumer switch-off relay

D	Ignition/starter switch
J59	X contact relief relay
J248	Diesel direct injection system control unit
J511	Consumer switch-off relay
J514	Electronic manual gearbox control unit
T10s	10-pin connector, white, in footwell, front left
T17a	17-pin connector, red, in footwell, front left
249	Earth connection -2-, in interior wiring harness
A21	Connection (86s), in dash panel wiring harness
A34	Connection (75x), in dash panel wiring harness
B138	Positive (+) connection (X), in interior wiring harness
B158	Connection (S), in interior wiring harness
B259	Connection (start/stop signal), in interior wiring harness
*	Only applies to models with heater element for washer jet

Wiring Diagram AUDI A2 2003 - Light switch - turn signal switch - headlight dipper/flasher switch - parking light switch - front and rear fog light switch

E1	Lighting switch
E2	Turn signal switch
E4	Headlight dipper/flasher switch
E19	Parking light switch
E23	Front and rear fog light switch
E27	Side light switch
L9	Lighting switch light bulb
L40	Front and rear fog light switch illumination bulb
249	Earth connection -2-, in interior wiring harness
B9	Connection (56), in steering column switch wiring harness
B139	Connection (PL (parking light, left)), in interior wiring harness
B140	Connection (PR (parking light, right)), in interior wiring harness
*	Only applies to models with headlight washer system
**	No longer fitted, phased-in modification
***	Phased-in modification

Wiring Diagram AUDI A2 2003 - Switches and instruments light regulator - headlight range control adjuster

E20	Switches and instruments light regulator
E102	Headlight range control adjuster
L54	Headlight range control adjuster light bulb
269	Earth connection (sender earth) -1-, in dash panel wiring harness
B145	Positive (+) connection (58b), in interior wiring harness
*	Only applies to models with equipment for smokers

Wiring Diagram AUDI A2 2003 - Intermittent wiper switch - washer pump switch - automatic intermittent wash/wipe relay

E22	Intermittent wiper switch
E44	Windscreen washer pump switch (automatic wash/wipe and headlight washer system)
J31	Automatic intermittent wash/wipe relay
T10e	10-pin connector, brown, connector point, A pillar, left
T10f	10-pin connector, blue, connector point, A pillar, left
V5	Windscreen washer pump
V11	Headlight washer system pump
119	Earth connection -1-, in headlight wiring harness
A96	Connection (53a), in dash panel wiring harness
A97	Connection (53), in dash panel wiring harness
*	Only applies to models with headlight washer system
**	No longer fitted, phased-in modification
***	Phased-in modification

Wiring Diagram AUDI A2 2003 - Intermittent wiper control - automatic intermittent wash/wipe relay - heater element for washer jet

E38	Intermittent wiper control
J31	Automatic intermittent wash/wipe relay
T6	6-pin connector, brown, behind steering column switch trim
T10f	10-pin connector, blue, connector point, A pillar, left
V	Windscreen wiper motor
Z20	Heater element, left washer jet
Z21	Heater element, right washer jet
119	Earth connection -1-, in headlight wiring harness
179	Earth connection, in left headlight wiring harness
249	Earth connection -2-, in interior wiring harness
A27	Connection (speed signal), in dash panel wiring harness
*	Only applies to models with heater element for washer jet
**	⇒ Applicable Current Flow Diagram: Anti-lock brake system

Wiring Diagram AUDI A2 2003 - Reversing light switch - rear left fog light bulb - left tail light bulb - rear left turn signal bulb - left brake light bulb

F	Brake light switch
F4	Reversing light switch
L46	Rear fog light bulb, left
M4	Tail light bulb, left
M6	Turn signal bulb, rear left
M9	Brake light bulb, left
M16	Reversing light bulb, left
T17e	17-pin connector, blue, in footwell, front left
238	Earth connection -1-, in interior wiring harness
A87	Connection (RF (reversing light)), in dash panel wiring harness
B131	Connection (54), in interior wiring harness

Wiring Diagram AUDI A2 2003 - Right tail light bulb - rear right turn signal bulb - right reversing light bulb - high level brake light bulb - number plate lights

M2	Tail light bulb, right
M8	Turn signal bulb, rear right
M10	Brake light bulb, right
M17	Reversing light bulb, right
M25	High level brake light bulb
X4	Number plate light, left
X5	Number plate light, right
98	Earth connection, in rear lid wiring harness
238	Earth connection -1-, in interior wiring harness
B131	Connection (54), in interior wiring harness
B132	Connection (number plate light), in interior wiring harness
W1	Positive (+) connection -1- (54), in rear wiring harness

Wiring Diagram AUDI A2 2003 - Battery - starter - alternator - starter inhibitor and reversing light relay - voltage stabiliser

A	Battery
B	Starter
C	Alternator
J226	Starter inhibitor and reversing light relay
J532	Voltage stabiliser
S88	Strip fuse
T17a	17-pin connector, red, in footwell, front left
T17e	17-pin connector, blue, in footwell, front left
65	Earth point, left longitudinal member, rear, between B and C pillar
500	Screw connection -1- (30), on relay plate
A32	Positive (+) connection (30), in dash panel wiring harness
A98	Positive (+) connection -4- (30), in dash panel wiring harness
B156	Positive (+) connection (30a), in interior wiring harness
P2	Positive (+) connection (30), in battery wiring harness
*	Only applies to models with power steering
**	No longer fitted, phased-in modification
***	Phased-in modification

Wiring Diagram AUDI A2 2003 - Voltage stabiliser - 12 V socket

J532	Voltage stabiliser
SB1	Fuse -1- on fuse box
SB2	Fuse -2- on fuse box
SB3	Fuse -3- on fuse box
SB7	Fuse -7- on fuse box
SB11	Fuse -11- on fuse box
SB44	Fuse -44- on fuse box
U5	12 V socket
238	Earth connection -1-, in interior wiring harness
284	Earth connection -6-, in interior wiring harness
A32	Positive (+) connection (30), in dash panel wiring harness
A46	Positive (+) connection (30 - from radio), in dash panel wiring harness
A98	Positive (+) connection -4- (30), in dash panel wiring harness
B156	Positive (+) connection (30a), in interior wiring harness
B170	Positive (+) connection -2- (30), in interior wiring harness
B172	Positive (+) connection -4- (30), in interior wiring harness
*	Only applies to models with headlight washer system
**	No longer fitted, phased-in modification
***	Phased-in modification
****	Only applies to models with 12 V socket
*****	⇒ Applicable Current Flow Diagram: Radio

Wiring Diagram AUDI A2 2003 - Horn plate - horn/dual tone horn - dual tone horn relay - ashtray light bulb - cigarette lighter

H	Horn plate
H1	Horn/dual tone horn
J4	Dual tone horn relay
L15	Ashtray light bulb
L28	Cigarette lighter light bulb
SB8	Fuse -8- on fuse box
SB12	Fuse -12- on fuse box
T5a	5-pin connector, yellow, behind steering column switch trim
T10i	10-pin connector, black, connector point, A pillar, right
U1	Cigarette lighter
176	Earth connection, in right headlight wiring harness
249	Earth connection -2-, in interior wiring harness
279	Earth connection -5-, in interior wiring harness
284	Earth connection -6-, in interior wiring harness
A32	Positive (+) connection (30), in dash panel wiring harness
A98	Positive (+) connection -4- (30), in dash panel wiring harness
B188	Positive (+) connection -5- (30), in interior wiring harness
*	Only applies to models with equipment for smokers
**	No longer fitted, phased-in modification
***	Phased-in modification

Wiring Diagram AUDI A2 2003 - Fuses on fuse box

SB28	Fuse -28- on fuse box
SB30	Fuse -30- on fuse box
SB36	Fuse -36- on fuse box
SB42	Fuse -42- on fuse box
T16	16-pin connector, diagnostic connector, black, near fuse box
T17g	17-pin connector, red, connector point, A pillar, left
249	Earth connection -2-, in interior wiring harness
A32	Positive (+) connection (30), in dash panel wiring harness
A76	Connection (diagnosis wire K), in dash panel wiring harness
B111	Positive (+) connection -1- (30a), in interior wiring harness

Wiring Diagram AUDI A2 2003 - Fuses on fuse box

SB6	Fuse -6- on fuse box
SB29	Fuse -29- on fuse box
SB38	Fuse -38- on fuse box
SB40	Fuse -40- on fuse box
T17	17-pin connector, brown, in footwell, front left
A2	Positive (+) connection (15), in dash panel wiring harness
A104	Positive (+) connection -2- (15), in dash panel wiring harness
B135	Connection -1- (15a), in interior wiring harness
B157	Positive (+) connection -3- (15a), in interior wiring harness
*	Only applies to models with power steering
**	As of model year 2003 no longer fitted (phased-in modification)
***	Phased-in modification

Wiring Diagram AUDI A2 2003 - Fuses on fuse box - glove box light

E26	Glove box light switch
SB15	Fuse -15- on fuse box
SB16	Fuse -16- on fuse box
SB32	Fuse -32- on fuse box
SB33	Fuse -33- on fuse box
SB34	Fuse -34- on fuse box
SB35	Fuse -35- on fuse box
T2d	2-pin connector, black, near glove box
W6	Glove box light
249	Earth connection -2-, in interior wiring harness
B117	Connection (58a, right), in interior wiring harness
B179	Positive (+) connection (consumer switch-off), in interior wiring harness
*	Only applies to models with heater element for washer jet
**	As of model year 2003 no longer fitted (phased-in modification)
***	Phased-in modification

Wiring Diagram AUDI A2 2003 - Twin filament bulb for right headlight - right side light bulb - front right turn signal bulb - right headlight range control motor

L2	Twin filament bulb for headlight, right
M3	Side light bulb, right
M7	Turn signal bulb, front right
M19	Side turn signal bulb, right
SB21	Fuse -21- on fuse box
SB23	Fuse -23- on fuse box
SB26	Fuse -26- on fuse box
T10i	10-pin connector, black, connector point, A pillar, right
T10l	10-pin connector, black, headlight, right
V49	Headlight range control motor, right
176	Earth connection, in right headlight wiring harness
A51	Connection (56), in dash panel wiring harness
A95	Connection -1- (56a), in dash panel wiring harness
*	No longer fitted, phased-in modification
**	Phased-in modification

Wiring Diagram AUDI A2 2003 - Twin filament bulb for left headlight - left side light bulb - front left turn signal bulb - left headlight range control motor

L1	Twin filament bulb for headlight, left
M1	Side light bulb, left
M5	Turn signal bulb, front left
M18	Side turn signal bulb, left
SB22	Fuse -22- on fuse box
SB24	Fuse -24- on fuse box
SB27	Fuse -27- on fuse box
T10e	10-pin connector, brown, connector point, A pillar, left
T10g	10-pin connector, grey, connector point, A pillar, left
T10k	10-pin connector, black, headlight, left
V48	Headlight range control motor, left
119	Earth connection -1-, in headlight wiring harness
179	Earth connection, in left headlight wiring harness
A51	Connection (56), in dash panel wiring harness
A84	Connection (58L), in dash panel wiring harness

Wiring Diagram AUDI A2 2003 - Hazard warning light switch - hazard warning light relay

E3	Hazard warning light switch
J2	Hazard warning light relay
249	Earth connection -2-, in interior wiring harness
A125	Connection (crash signal), in dash panel wiring harness
B152	Connection (BL (turn signal, left)), in interior wiring harness
B153	Connection (BR (turn signal, right)), in interior wiring harness

Wiring Diagram AUDI A2 2003 - Handbrake warning switch - handbrake warning lamp control unit - luggage compartment light - left

F9	Handbrake warning switch
F266	Bonnet contact switch
J393	Convenience system central control unit
J534	Handbrake warning lamp control unit
W18	Luggage compartment light, left
T17g	17-pin connector, red, connector point, A pillar, left
119	Earth connection -1-, in headlight wiring harness
238	Earth connection -1-, in interior wiring harness
277	Earth connection -3-, in interior wiring harness
284	Earth connection -6-, in interior wiring harness
A24	Connection (brake system monitoring), in dash panel wiring harness
A29	Connection (interior light), in dash panel wiring harness
B229	Connection (high bus), in interior wiring harness
B230	Connection (low bus), in interior wiring harness
*	Only applies to models with anti-theft alarm system
**	No longer fitted, phased-in modification
***	Phased-in modification

Wiring Diagram AUDI A2 2003 - Control unit with display in dash panel insert - warning lamps

J285	Control unit with display in dash panel insert
K1	Main beam warning lamp
K2	Alternator warning lamp
K4	Side light warning lamp
K14	Handbrake warning lamp
K18	Trailer operation warning lamp
K65	Left turn signal warning lamp
K86	Traction control system warning lamp
K94	Right turn signal warning lamp
K132	Electronic power control fault lamp
K134	Self-levelling suspension warning lamp
K149	Engine electronics warning lamp
T17e	17-pin connector, blue, in footwell, front left
T32	32-pin connector, blue, on dash panel insert
T32a	32-pin connector, green, on dash panel insert
249	Earth connection -2-, in interior wiring harness
269	Earth connection (sender earth) -1-, in dash panel wiring harness
B163	Positive (+) connection -1- (15), in interior wiring harness
B177	Connection (61), in interior wiring harness
*	No longer fitted, phased-in modification
**	Phased-in modification

Wiring Diagram AUDI A2 2003 - Fuel gauge sender - coolant temperature sender - control unit with display in dash panel insert

F66	Coolant shortage indicator switch
G	Fuel gauge sender
G1	Fuel gauge
G2	Coolant temperature sender
G3	Coolant temperature gauge
J285	Control unit with display in dash panel insert
T10f	10-pin connector, blue, connector point, A pillar, left
T17	17-pin connector, brown, in footwell, front left
T17e	17-pin connector, blue, in footwell, front left
T32	32-pin connector, blue, on dash panel insert
T32a	32-pin connector, green, on dash panel insert
269	Earth connection (sender earth) -1-, in dash panel wiring harness

Wiring Diagram AUDI A2 2003 - Immobilizer reading coil - oil pressure switch - ambient temperature sensor - speedometer sender

D2	Immobilizer reading coil
F1	Oil pressure switch
G9	Oil temperature gauge
G17	Ambient temperature sensor
G21	Speedometer
G22	Speedometer sender (Hall sender, on gearbox)
G266	Oil level/oil temperature sender
J285	Control unit with display in dash panel insert
K117	Immobilizer warning lamp
T17	17-pin connector, brown, in footwell, front left
T17e	17-pin connector, blue, in footwell, front left
T17f	17-pin connector, white, connector point, A pillar, left
T32	32-pin connector, blue, on dash panel insert
T32a	32-pin connector, green, on dash panel insert
12	Earth point, in engine compartment, left
179	Earth connection, in left headlight wiring harness

Wiring Diagram AUDI A2 2003 - ABS with EDL control unit - control unit with display in dash panel insert

J104	ABS with EDL control unit
J285	Control unit with display in dash panel insert
K47	ABS warning lamp
T10s	10-pin connector, white, in footwell, front left
T17	17-pin connector, brown, in footwell, front left
T17f	17-pin connector, white, connector point, A pillar, left
T17g	17-pin connector, red, connector point, A pillar, left
T32	32-pin connector, blue, on dash panel insert
T32a	32-pin connector, green, on dash panel insert
A121	Connection (high bus), in dash panel wiring harness
A122	Connection (low bus), in dash panel wiring harness
A132	Connection (TCS/ESP), in dash panel wiring harness
*	Only applies to models with power steering

Wiring Diagram AUDI A2 2003 - Belt switch (driver’s side) - brake fluid level warning contact - brake lining/pad wear sender - front left

E24	Belt switch, driver's side
F34	Brake fluid level warning contact
G5	Rev. counter
G14	Voltmeter
G34	Brake lining/pad wear sender, front left
J234	Airbag control unit
J285	Control unit with display in dash panel insert
K19	Seat belt warning system warning lamp
K75	Airbag warning lamp
T6a	6-pin connector, red, under driver's seat
T10f	10-pin connector, blue, connector point, A pillar, left
T17g	17-pin connector, red, connector point, A pillar, left
T32	32-pin connector, blue, on dash panel insert
T32a	32-pin connector, green, on dash panel insert
Y	Analogue clock
119	Earth connection -1-, in headlight wiring harness
277	Earth connection -3-, in interior wiring harness
*	Only applies to models with seat belt warning system

Wiring Diagram AUDI A2 2003 - Fresh air blower switch - power steering control unit - fresh air blower with overheating fuse series resistor

E9	Fresh air blower switch
G250	Power steering sensor
J500	Power steering control unit
N24	Fresh air blower with overheating fuse series resistor
S204	Fuse -1- (30)
T2e	2-pin connector, black, on power steering control unit
T3b	3-pin connector, on power steering control unit
T4	4-pin connector, black, on power steering control unit
T5d	5-pin connector, black, on heater controls
T10g	10-pin connector, grey, connector point, A pillar, left
V2	Fresh air blower
179	Earth connection, in left headlight wiring harness
279	Earth connection -5-, in interior wiring harness
L66	Connection, in heater blower wiring harness
*	Only applies to models with power steering

Wiring Diagram AUDI A2 2003 - Heated rear window switch - fresh air/air recirculating flap switch - heated rear window relay

E15	Heated rear window switch
E159	Fresh air/air recirculating flap switch
E288	Additional heating button (ECON)
J9	Heated rear window relay
L39	Heated rear window switch illumination bulb
L94	Heater switch illumination
L100	Fresh air/air recirculating flap switch illumination
T2m	2-pin connector, black, on heater controls
T16h	16-pin connector, black, on heater controls
T17e	17-pin connector, blue, in footwell, front left
R18	Frequency switch, left
R19	Frequency switch, right
V154	Fresh air/air recirculating flap control motor
Z1	Heated rear window
62	Earth point, right C pillar
277	Earth connection -3-, in interior wiring harness
B180	Connection (heated rear window), in interior wiring harness
B248	Connection -2- (heated rear window), in interior wiring harness
*	No longer fitted, phased-in modification
**	Phased-in modification