Wiring Diagram AUDI A1 2014 - Battery - Airbag control unit - Battery isolation igniter - Fuse holder A
A | Battery |
J234 | Airbag control unit |
J367 | Battery monitor control unit |
N253 | Battery isolation igniter |
SA | Fuse holder A |
SA1 | Fuse 1 in fuse holder A |
SA2 | Fuse 2 in fuse holder A |
SA3 | Fuse 3 in fuse holder A |
T2x | 2-pin connector |
T2y | 2-pin connector, purple |
T50 | 50-pin connector |
B272 | Positive connection (30), in main wiring harness |
B528 | Connection 1 (LIN bus) in main wiring harness |
* | Only models with battery in luggage compartment |
*2 | Only models with battery in engine compartment |
*3 | From November 2014 |
*4 | Up to October 2014 |
Wiring Diagram AUDI A1 2014 - Starter - Voltage regulator - Suppression filter - Radiator fan control unit - Power steering control unit - Jump start socket
B | Starter |
C | Alternator |
C1 | Voltage regulator |
C24 | Suppression filter |
J293 | Radiator fan control unit |
J500 | Power steering control unit |
SB | Fuse holder B, on E-box in engine compartment |
SB1 | Fuse 1 on fuse holder B |
SB2 | Fuse 2 on fuse holder B |
SB3 | Fuse 3 on fuse holder B |
SB5 | Fuse 5 on fuse holder B |
S204 | Fuse 1 (30), on E-box in engine compartment |
T2b | 2-pin connector |
T4l | 4-pin connector |
T8x | 8-pin connector, near starter |
TV22 | Terminal 30 wiring junction 2, on left in engine compartment |
U6 | Jump start socket |
V7 | Radiator fan |
367 | Earth connection 2, in main wiring harness |
* | Only models with battery in luggage compartment |
*2 | From November 2014 |
*3 | Up to October 2014 |
*4 | Only models with battery in engine compartment |
Wiring Diagram AUDI A1 2014 - Main relay - Fuse holder H
J271 | Main relay |
SH | Fuse holder H, in E-box in engine compartment |
SH9 | Fuse 9 in fuse holder H |
SH12 | Fuse 12 in fuse holder H |
SH13 | Fuse 13 in fuse holder H |
SH14 | Fuse 14 in fuse holder H |
SH17 | Fuse 17 in fuse holder H |
SH18 | Fuse 18 in fuse holder H |
SH19 | Fuse 19 in fuse holder H |
T25a | 25-pin connector |
B351 | Positive connection 2 (87a) in main wiring harness |
B354 | Positive connection 5 (87a) in main wiring harness |
B355 | Positive connection 6 (87a) in main wiring harness |
* | Wiring colour depends on equipment |
*2 | Only models with manual gearbox |
*3 | Only models with battery in engine compartment |
Wiring Diagram AUDI A1 2014 - Terminal 15 voltage supply relay - Engine component current supply relay - Starter relay 1 - Starter relay 2 - Fuse holder H - Fuse 10 in fuse holder H
J329 | Terminal 15 voltage supply relay |
J757 | Engine component current supply relay |
J906 | Starter relay 1 |
J907 | Starter relay 2 |
SF3 | Fuse 3 in fuse holder F |
SH | Fuse holder H, in E-box in engine compartment |
SH7 | Fuse 7 in fuse holder H |
SH10 | Fuse 10 in fuse holder H |
SH15 | Fuse 15 in fuse holder H |
SH16 | Fuse 16 in fuse holder H |
SH20 | Fuse 20 in fuse holder H |
T25a | 25-pin connector |
368 | Earth connection 3, in main wiring harness |
B165 | Positive connection 2 (15), in interior wiring harness |
B356 | Positive connection 7 (87a) in main wiring harness |
D210 | Connection (50), in engine compartment wiring harness |
* | Up to October 2014 |
*2 | From November 2014 |
Wiring Diagram AUDI A1 2014 - Fuse carrier 2
ST2 | Fuse carrier 2 |
SD4 | Fuse 4 on fuse holder D |
SD5 | Fuse 5 on fuse holder D |
SD10 | Fuse 10 on fuse holder D |
SD16 | Fuse 16 on fuse holder D |
B165 | Positive connection 2 (15), in interior wiring harness |
B273 | Positive connection (15), in main wiring harness |
B465 | Connection 1, in main wiring harness |
Wiring Diagram AUDI A1 2014 - Fuel gauge sender - Fuel system pressurisation pump - Onboard supply control unit - Fuel pump control unit
G | Fuel gauge sender |
G6 | Fuel system pressurisation pump |
J519 | Onboard supply control unit |
J538 | Fuel pump control unit |
ST1 | Fuse carrier 1 |
ST2 | Fuse carrier 2 |
SC4 | Fuse 4 on fuse holder C |
SC5 | Fuse 5 on fuse holder C |
SC7 | Fuse 7 on fuse holder C |
SC16 | Fuse 16 on fuse holder C |
T5b | 5-pin connector |
T10d | 10-pin connector |
T52b | 52-pin connector |
T52c | 52-pin connector |
B299 | Positive connection 3 (30), in main wiring harness |
* | Up to October 2014 |
*2 | From November 2014 |
Wiring Diagram AUDI A1 2014 - Charge pressure sender - Radiator outlet coolant temperature sender - Engine control unit
E45 | Cruise control system switch |
G31 | Charge pressure sender |
G83 | Radiator outlet coolant temperature sender |
J527 | Steering column electronics control unit |
J623 | Engine control unit |
T2md | 2-pin connector |
T4t | 4-pin connector |
T8x | 8-pin connector |
T16f | 16-pin connector |
T91 | 91-pin connector |
85 | Earth connection 1, in engine compartment wiring harness |
* | Only models with cruise control system (CCS) |
Wiring Diagram AUDI A1 2014 - Engine control unit - Ignition coil 1 with output stage - Ignition coil 2 with output stage - Ignition coil 3 with output stage - Ignition coil 4 with output stage
J623 | Engine control unit |
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 |
P | Spark plug connector |
Q | Spark plugs |
T4af | 4-pin connector |
T4ag | 4-pin connector |
T4ah | 4-pin connector |
T4ai | 4-pin connector |
T14 | 14-pin connector |
T105 | 105-pin connector |
15 | Earth point, on cylinder head |
91 | Earth connection 1, in fully electronic ignition system wiring harness |
283 | Earth point 2, engine prewiring harness |
D181 | Connection 2 (87a) in engine compartment wiring harness |
* | Not for American markets |
*2 | Only for American markets |
*3 | Wiring colour depends on equipment |
Wiring Diagram AUDI A1 2014 - Oil pressure switch - Throttle valve drive for electric throttle - Engine control unit - Continued coolant circulation pump
F22 | Oil pressure switch |
G186 | Throttle valve drive for electric throttle |
G187 | Throttle valve drive angle sender 1 for electric throttle |
G188 | Throttle valve drive angle sender 2 for electric throttle |
J623 | Engine control unit |
T1ma | Single connector |
T3c | 3-pin connector |
T6x | 6-pin connector |
T14c | 14-pin connector |
T105 | 105-pin connector |
V51 | Continued coolant circulation pump |
283 | Earth point 2, engine prewiring harness |
* | Earth supply via housing |
*2 | According to equipment |
Wiring Diagram AUDI A1 2014 - Oil pressure switch for reduced oil pressure - Engine speed sender - Position sender for charge pressure positioner - Engine control unit - Charge pressure positioner
F378 | Oil pressure switch for reduced oil pressure |
G28 | Engine speed sender |
G581 | Position sender for charge pressure positioner |
J623 | Engine control unit |
T1mb | Single connector |
T3ag | 3-pin connector |
T6m | 6-pin connector |
T105 | 105-pin connector |
V465 | Charge pressure positioner |
281 | Earth point 1, engine prewiring harness |
D141 | Connection (5V) in engine prewiring harness |
* | Earth supply via housing |
Wiring Diagram AUDI A1 2014 - Intake manifold pressure sender - Fuel pressure sender - Sender 1 for secondary air pressure - Sender 2 for secondary air pressure - Engine control unit
G71 | Intake manifold pressure sender |
G247 | Fuel pressure sender |
G609 | Sender 1 for secondary air pressure |
G610 | Sender 2 for secondary air pressure |
J623 | Engine control unit |
T3z | 3-pin connector |
T4ax | 4-pin connector |
T5s | 5-pin connector |
T14c | 14-pin connector |
T105 | 105-pin connector |
281 | Earth point 1, engine prewiring harness |
D141 | Connection (5V) in engine prewiring harness |
* | According to equipment |
Wiring Diagram AUDI A1 2014 - Hall sender - Knock sensor 1 - Coolant temperature sender - Intake manifold flap potentiometer - Fuel pressure sender for low-pressure - Engine control unit
G40 | Hall sender |
G61 | Knock sensor 1 |
G62 | Coolant temperature sender |
G336 | Intake manifold flap potentiometer |
G410 | Fuel pressure sender for low-pressure |
J623 | Engine control unit |
T2dp | 2-pin connector |
T2ex | 2-pin connector |
T3cl | 3-pin connector |
T3d | 3-pin connector |
T3mg | 3-pin connector |
T14c | 14-pin connector |
T105 | 105-pin connector |
220 | Earth connection (sender earth), in engine wiring harness |
D108 | Connection 6 in engine compartment wiring harness |
Wiring Diagram AUDI A1 2014 - Engine control unit - Injector - cylinder 1 - Injector - cylinder 2 - Injector - cylinder 3 - Injector - cylinder 4 - Fuel metering valve
J623 | Engine control unit |
N30 | Injector, cylinder 1 |
N31 | Injector, cylinder 2 |
N32 | Injector, cylinder 3 |
N33 | Injector, cylinder 4 |
N290 | Fuel metering valve |
T2ac | 2-pin connector |
T2ad | 2-pin connector |
T2ae | 2-pin connector |
T2af | 2-pin connector |
T2ec | 2-pin connector |
T8l | 8-pin connector, black |
T105 | 105-pin connector |
Wiring Diagram AUDI A1 2014 - Engine control unit - Injector 2 - cylinder 1 - Injector 2 - cylinder 2 - Injector 2 - cylinder 3 - Injector 2 - cylinder 4
J623 | Engine control unit |
N532 | Injector 2, cylinder 1 |
N533 | Injector 2, cylinder 2 |
N534 | Injector 2, cylinder 3 |
N535 | Injector 2, cylinder 4 |
T2bi | 2-pin connector |
T2bj | 2-pin connector |
T2bk | 2-pin connector |
T2bl | 2-pin connector |
T8m | 8-pin connector |
T14 | 14-pin connector |
T105 | 105-pin connector |
D140 | Connection (injectors), in engine prewiring harness |
Wiring Diagram AUDI A1 2014 - Actuator 1 for camshaft adjustment - Actuator 2 for camshaft adjustment - Actuator 3 for camshaft adjustment - Actuator 4 for camshaft adjustment - Engine control unit
F366 | Actuator 1 for camshaft adjustment |
F367 | Actuator 2 for camshaft adjustment |
F368 | Actuator 3 for camshaft adjustment |
F369 | Actuator 4 for camshaft adjustment |
J623 | Engine control unit |
T2fa | 2-pin connector |
T2fb | 2-pin connector |
T2fc | 2-pin connector |
T2fd | 2-pin connector |
T105 | 105-pin connector |
D140 | Connection (injectors), in engine prewiring harness |
D183 | Connection 4 (87a) in engine compartment wiring harness |
Wiring Diagram AUDI A1 2014 - Actuator 5 for camshaft adjustment - Actuator 6 for camshaft adjustment - Actuator 7 for camshaft adjustment - Actuator 8 for camshaft adjustment - Gearbox neutral position sender - Engine control unit
F370 | Actuator 5 for camshaft adjustment |
F371 | Actuator 6 for camshaft adjustment |
F372 | Actuator 7 for camshaft adjustment |
F373 | Actuator 8 for camshaft adjustment |
G701 | Gearbox neutral position sender |
J623 | Engine control unit |
T2fe | 2-pin connector |
T2ff | 2-pin connector |
T2fg | 2-pin connector |
T2fh | 2-pin connector |
T3n | 3-pin connector |
T91 | 91-pin connector |
T105 | 105-pin connector |
D183 | Connection 4 (87a) in engine compartment wiring harness |
Wiring Diagram AUDI A1 2014 - Accelerator position sender - Accelerator position sender 2 - Engine control unit - Activated charcoal filter solenoid valve 1 - Camshaft control valve 1
G79 | Accelerator position sender |
G185 | Accelerator position sender 2 |
J623 | Engine control unit |
N80 | Activated charcoal filter solenoid valve 1 |
N205 | Camshaft control valve 1 |
N318 | Exhaust camshaft control valve 1 |
T2dr | 2-pin connector |
T2dt | 2-pin connector |
T2du | 2-pin connector |
T6ag | 6-pin connector |
T14 | 14-pin connector |
T91 | 91-pin connector |
T105 | 105-pin connector |
D196 | Connection 2 (87a) in engine prewiring harness |
Wiring Diagram AUDI A1 2014 - Thermal switch for air conditioning system shut-off - Engine control unit - Turbocharger air recirculation valve - Intake manifold flap valve - Valve for oil pressure control - Cooling oil valve
F163 | Thermal switch for air conditioning system shut-off |
J623 | Engine control unit |
N249 | Turbocharger air recirculation valve |
N316 | Intake manifold flap valve |
N428 | Valve for oil pressure control |
N471 | Cooling oil valve |
T2ds | 2-pin connector |
T2dw | 2-pin connector |
T2eb | 2-pin connector |
T2tk | 2-pin connector |
T14 | 14-pin connector |
T91 | 91-pin connector |
T105 | 105-pin connector |
D189 | Connection (87a) in engine prewiring harness |
* | According to equipment |
Wiring Diagram AUDI A1 2014 - Lambda probe - Lambda probe after catalytic converter - Engine control unit - Control unit for structure-borne sound - Exhaust flap control unit - Actuator for structure-borne sound - Lambda probe heater - Lambda probe 1 heater after catalytic converter
G39 | Lambda probe |
G130 | Lambda probe after catalytic converter |
J623 | Engine control unit |
J869 | Control unit for structure-borne sound |
J883 | Exhaust flap control unit |
R214 | Actuator for structure-borne sound |
T2ez | 2-pin connector |
T3ak | 3-pin connector |
T4c | 4-pin connector, black |
T5b | 5-pin connector, grey |
T6s | 6-pin connector |
T91 | 91-pin connector |
Z19 | Lambda probe heater |
Z29 | Lambda probe 1 heater after catalytic converter |
371 | Earth connection 6, in main wiring harness |
375 | Earth connection 10, in main wiring harness |
* | Wiring colour depends on equipment |
*2 | Cross section depends on equipment |
Wiring Diagram AUDI A1 2014 - Brake light switch - Brake pedal switch - Clutch position sender - Onboard supply control unit - Data bus diagnostic interface - Engine control unit
F | Brake light switch |
F47 | Brake pedal switch |
G476 | Clutch position sender |
J519 | Onboard supply control unit |
J533 | Data bus diagnostic interface |
J623 | Engine control unit |
T4k | 4-pin connector |
T5k | 5-pin connector |
T20d | 20-pin connector |
T52c | 52-pin connector |
T91 | 91-pin connector |
391 | Earth connection 26, in main wiring harness |
392 | Earth connection 27, in main wiring harness |
B335 | Connection 1 (54), in main wiring harness |
B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
* | Only models with manual gearbox |
Wiring Diagram AUDI A1 2014 - Fuel gauge sender 2 - Oil level and oil temperature sender - Control unit in dash panel insert - Data bus diagnostic interface
G32 | Coolant shortage indicator sender |
G169 | Fuel gauge sender 2 |
G266 | Oil level and oil temperature sender |
J285 | Control unit in dash panel insert |
J533 | Data bus diagnostic interface |
T2t | 2-pin connector |
T3md | 3-pin connector |
T3mi | 3-pin connector |
T14 | 14-pin connector, black |
T16 | 16-pin connector, near lower part of left A-pillar |
T20d | 20-pin connector |
T32f | 32-pin connector |
369 | Earth connection 4, in main wiring harness |
401 | Earth connection (sender earth), in interior wiring harness |
* | According to equipment |
*2 | Diagnostic connection |
AUDI A1 2014 Overview of control units in interior of vehicle (3-door models)
q | for models with radio chorus or concert: |
q | Overview of 5-door models |
q | Overview of 5-door models |
q | Overview of 5-door models |
q | Overview of 5-door models |
q | Overview of 5-door models |
q | Overview of 5-door models |
q | Fitting location and connectors for models with right-hand drive: |
q | Overview of 5-door models |
q | Overview of 5-door models |
q | Fitting location and connectors for models with right-hand drive: |
q | Overview of 5-door models |
q | Overview of 5-door models |
Immobiliser reader coil -D2- |
q | Fitting location and connector for models with ignition lock: |
q | Fitting location and connector for models without ignition lock (with keyless entry system): |
q | Overview of 5-door models |
q | Fitting location for models with right-hand drive: |
q | Overview of 5-door models |
q | Fitting location and connectors for models with right-hand drive: |
q | Overview of 5-door models |
q | Fitting location and connector for models with right-hand drive: |
q | Overview of 5-door models |
q | Overview of 5-door models |
15 - | Radio -R- |
q | for models with radio chorus or concert |
q | Location: in middle part dash panel |
q | Fitting location for models with MMI: |
q | Overview of 5-door models |
2 - | CD changer -R41- |
q | for models with MMI |
q | Fitting location and connectors: |
q | for models with radio chorus or concert: |
6 - | Front passenger door control unit -J387- |
q | Fitting location and connectors for models with left-hand drive: |
q | Fitting location and connectors for models with right-hand drive: |
8 - | Rear right door control unit -J389- |
q | Location: in rear right door |
10 - | Driver door control unit -J386- |
q | Fitting location and connectors for models with left-hand drive: |
q | Fitting location and connectors for models with right-hand drive: |
11 - | Steering column electronics control unit -J527- |
q | Location: on steering column |
Immobiliser reader coil -D2- |
q | Fitting location and connector for models with ignition lock: |
q | Fitting location and connector for models without ignition lock (with keyless entry system): |
13 - | 16-pin connector -T16-, diagnosis connection |
q | Fitting location for models with left-hand drive: |
q | Fitting location for models with right-hand drive: |
q | Fitting location and connectors for models with right-hand drive: |
q | Fitting location and connector for models with right-hand drive: |
17 - | Radio -R- |
q | for models with radio chorus or concert |
q | Location: in middle part dash panel |
q | Fitting location for models with MMI: |
17 - | Heater control unit -J65- |
q | for models with heater (without air conditioning) |
q | Location: at bottom of middle part dash panel |
17 - | Air conditioning system control unit -J301- |
q | for models with manual air conditioning system |
q | Location: at bottom of middle part dash panel |
Note
|
q | for models with battery in engine compartment: location in engine compartment at battery negative terminal |
3 - | Control units on left in luggage compartment: |
3 - | Digital sound package control unit -J525- |
q | Fitting location and connectors: |
Radio -R- |
q | for models with MMI |
q | Fitting location and connectors: |
q | Fitting location for models with radio chorus or concert (without MMI): |
3 - | TV tuner -R78- |
q | Fitting location and connectors: |
3 - | TV card reader -R204- |
q | Fitting location and connector: |
AUDI A1 2014 CD changer R41 | CD changer -R41- |
Fitting location: |
In glove compartment. |
A - | CD changer -R41- |
A5 - | 8-pin connector, black (connector A) -T8aa- |
|
A - | Control unit for headlight range control -J431- |
AUDI A1 2014 Control units at instrument panel, front passenger side | Control units at instrument panel, front passenger side |
Fitting location: |
behind glove compartment, near A-pillar. |
A - | Entry and start authorisation control unit -J518- |
B1 - | 16-pin connector, brown -T16e- |
B3 - | 12-pin connector, black -T12g- |
C - | Aerial amplifier for mobile telephone -R86- |
C2 - | 1-pin connector, black -T1v- |
D1 - | 16-pin connector, black -T16b- |
|
A - | Airbag control unit -J234- |
AUDI A1 2014 Driver door control unit J386 | Driver door control unit -J386- |
Fitting location driver side door control unit -J386- for models with left-hand drive: |
In driver door. |
Note
t | Illustration shows model with left-hand drive. |
t | Illustration for models with right-hand drive . |
A - | Driver door control unit -J386- |
A2 - | 16-pin connector -T16m- |
A4 - | 6-pin, connector -T6am- |
Note
|
A - | Driver door control unit -J386- |
A1 - | 32-pin connector -T32j- |
A2 - | 16-pin connector -T16m- |
A3 - | 20-pin connector -T20f- |
A4 - | 6-pin, connector -T6am- |
A - | Front passenger door control unit -J387- |
A2 - | 16-pin connector -T16n- |
A4 - | 6-pin, connector -T6ao- |
Note
|
A - | Front passenger door control unit -J387- |
A1 - | 32-pin connector -T32l- |
A2 - | 16-pin connector -T16n- |
A3 - | 20-pin connector -T20g- |
A4 - | 6-pin, connector -T6ao- |
|
A - | Voltage stabiliser -J532- |
AUDI A1 2014 ESL control unit J764 | ESL control unit -J764- |
Fitting location: |
under the steering column cover at bottom. |
Note
For models without ignition lock (with keyless entry system) only. |
A - | ESL control unit -J764- |
AUDI A1 2014 Immobiliser reader coil D2 | Immobiliser reader coil -D2- |
Fitting location Immobiliser reader coil -D2- for models with ignition lock: |
under the steering column cover on right. |
Note
t | Illustration shows model with ignition lock. |
t | Illustration for models without ignition lock (with keyless entry system) . |
1 - | Immobiliser reader coil -D2- |
2 - | 2-pin connector -T2l- |
Note
|
1 - | Immobiliser reader coil -D2- |
2 - | 2-pin connector -T2l- |
Note
|
A - | 16-pin connector -T16- |
Note
|
A - | 16-pin connector -T16- |
Note
|
A - | Data bus diagnostic interface -J533- |
C - | 20-pin connector, black -T20d- |
|
A - | Data bus diagnostic interface -J533- |
B - | 2-pin connector, black -T2dl- |
C - | 20-pin connector, black -T20d- |
Note
|
D - | Onboard supply control unit -J519- |
B - | 52-pin connector, white (connector B) -T52b- |
Fitting location Onboard supply control unit -J519- for models with right-hand drive: |
Below the dash panel, driver side |
Note
t | Figure shows right-hand drive vehicle. |
t | Figure for left-hand drive vehicles . |
D - | Onboard supply control unit -J519- |
A - | 52-pin connector, black (connector A) -T52a- |
B - | 52-pin connector, white (connector B) -T52b- |
C - | 52-pin connector, brown (connector C) -T52c- |
Note
|
A - | Fuel pump control unit -J538- |
B1 - | 5-pin connector -T5a- |
Note
|
1 - | battery -A- |
2 - | Battery monitor control unit -J367- |
AUDI A1 2014 Control units on left in luggage compartment | Control units on left in luggage compartment |
Fitting location: |
on left in luggage compartment. |
A - | Digital sound package control unit -J525- |
A3 - | 38-pin connector, black -T38- |
B - | TV tuner -R78- |
B2 - | 2-pin connector, green -T2dn- |
B4 - | 2-pin connector, black -T2do- |
B6 - | 20-pin connector, black -T20c- |
C - | Radio -R- |
C2 - | 2-pin connector -T2dg- |
C3 - | Single connector -T1l- (for satellite radio - SDARS) |
- | 4-pin connector, blue -T4ai- |