AUDI A3 2004 – Audi A3 (1,6 l litre fuel injection engine, 74 kW, Simos, 4-cylinder) engine codes AEH . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A3 2004 - Battery - starter - alternator - main fuse box/battery

A	Battery
B	Starter
C	Alternator
C1	Voltage regulator
F18	Radiator fan thermo-switch
F54	Radiator fan thermo-switch
J104	ABS with EDL control unit
K2	Alternator warning lamp
S131	Fuse 1
S132	Fuse 2
S133	Fuse 3
S134	Fuse 4
S138	Fuse 5
S162	1 in fuse box/battery
S163	2 in fuse box/battery
S164	3 in fuse box/battery
T2f	2-pin connector, wiring duct, in engine compartment, left
T3e	3-pin connector, black, on main fuse box/battery
T4b	4-pin connector, in engine compartment, left
T32	32-pin connector, blue, on dash panel insert
2	Earth strap, gearbox - body
12	Earth point, in engine compartment, left
A17	Positive (+) connection (61), in dash panel wiring harness
*	Only models with automatic gearbox
**	Only models with manual gearbox

D	Ignition/starter switch
G40	Hall sender
J17	Fuel pump relay
J361	Simos control unit
N	Ignition coil 1
N30	Injector, cylinder 1
N31	Injector, cylinder 2
N32	Injector, cylinder 3
N33	Injector, cylinder 4
N122	Final output stage
N128	Ignition coil 2
P	Spark plug connector
Q	Spark plugs
T10	10-pin connector, white, in plenum chamber
T10c	10-pin connector, black, wiring duct, in engine compartment, left
280	Earth connection -2-, in engine compartment wiring harness
A2	Positive (+) connection (15), in dash panel wiring harness
D140	Connection (injectors), in engine prewiring wiring harness

G2	Coolant temperature sender
G28	Engine speed sender
G61	Knock sensor 1
G62	Coolant temperature sender
J361	Simos control unit
T3b	3-pin connector, blue, in engine compartment
T3d	3-pin connector, white, in engine compartment
T10	10-pin connector, white, in plenum chamber
T10c	10-pin connector, black, wiring duct, in engine compartment, left
220	Earth connection (sender earth), in engine wiring harness
281	Earth connection -1-, in engine prewiring wiring harness

F60	Idling switch
G42	Intake air temperature sender
G186	Throttle valve drive
G187	Throttle valve drive angle sender -1-
G188	Throttle valve drive angle sender -2-
J217	Automatic gearbox control unit
J338	Throttle valve control unit
J361	Simos control unit
10	Earth point, in plenum chamber
220	Earth connection (sender earth), in engine wiring harness
D141	Connection (5V), in engine prewiring wiring harness
*	Only models with automatic gearbox

D	Ignition/starter switch
G39	Lambda probe
G70	Air mass meter
J226	Starter inhibitor and reversing light relay
J361	Simos control unit
N80	Activated charcoal filter system solenoid valve 1
N156	Intake manifold change-over valve
T4	4-pin connector, in engine compartment, right
T6	6-pin connector, red, in plenum chamber
T10	10-pin connector, white, in plenum chamber
T10a	10-pin connector, green, in plenum chamber
T10c	10-pin connector, black, wiring duct, in engine compartment, left
Z19	Lambda probe heater
A100	Connection -2- (87), in dash panel wiring harness
B148	Positive (+) connection -3- (87), in interior wiring harness
D13	Connection (50), in front right wiring harness
D80	Positive (+) connection (87a), in engine compartment wiring harness
*	Only models with automatic gearbox
**	Only models with manual gearbox

G	Fuel gauge sender
G6	Fuel pump
G22	Speedometer sender (Hall sender, on gearbox)
J218	Combi-processor in dash panel insert
T10c	10-pin connector, black, wiring duct, in engine compartment, 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
281	Earth connection -1-, in engine prewiring wiring harness
A15	Positive (+) connection (15), in dash panel wiring harness
A98	Positive (+) connection -4- (30a), in dash panel wiring harness
A99	Connection -1- (87), in dash panel wiring harness
B156	Positive (+) connection -4- (30a), in interior wiring harness