Wiring Diagram AUDI A1 2010 - Data bus diagnostic interface - Connection 1 (powertrain CAN bus - high) - in main wiring harness - Connection 1 (powertrain CAN bus - low) - in main wiring harness
Connection 1 (powertrain CAN bus, high), in main wiring harness
B390
Connection 1 (powertrain CAN bus, low), in main wiring harness
*
see applicable current flow diagram for fuse assignment
*2
see applicable current flow diagram for engine
*3
see applicable current flow diagram for automatic gearbox
*4
see applicable current flow diagram for ABS
*5
see applicable current flow diagram
*6
see applicable current flow diagram for all-wheel drive
Wiring Diagram AUDI A1 2010 - Data bus diagnostic interface - Connection 1 (powertrain CAN bus - high) - in main wiring harness - Connection 1 (powertrain CAN bus - low) - in main wiring harness - Connection 1 (convenience CAN bus - high) - in main wiring harness - Connection 1 (convenience CAN bus - low) - in main wiring harness
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
*
see applicable current flow diagram for airbag
*2
see applicable current flow diagram
*3
see applicable current flow diagram for basic equipment
Wiring Diagram AUDI A1 2010 - Data bus diagnostic interface - Connection 1 (convenience CAN bus - high) - in main wiring harness - Connection 2 (convenience CAN bus - high) - in main wiring harness - Connection 1 (convenience CAN bus - low) - in main wiring harness - Connection 2 (convenience CAN bus - low) - in main wiring harness
Connection 1 (convenience CAN bus, high), in main wiring harness
B398
Connection 2 (convenience CAN bus, high), in main wiring harness
B406
Connection 1 (convenience CAN bus, low), in main wiring harness
B407
Connection 2 (convenience CAN bus, low), in main wiring harness
*
Optional equipment
*2
see applicable current flow diagram
*3
see applicable current flow diagram for convenience system
*4
see applicable current flow diagram for automatic air conditioning system
Wiring Diagram AUDI A1 2010 - Data bus diagnostic interface - Connection 2 (convenience CAN bus - high) - in main wiring harness - Connection 2 (convenience CAN bus - low) - in main wiring harness
Connection 2 (convenience CAN bus, high), in main wiring harness
B407
Connection 2 (convenience CAN bus, low), in main wiring harness
B708
Connection 1 (dash panel insert CAN bus high) in main wiring harness
B709
Connection 1 (dash panel insert CAN bus low) in main wiring harness
*
see applicable current flow diagram for air conditioning
*2
see applicable current flow diagram for basic equipment
*3
see applicable current flow diagram
*4
see applicable current flow diagram for convenience system
Wiring Diagram AUDI A1 2010 - Data bus diagnostic interface - Connection 1 (LIN bus) in main wiring harness - Connection 1 - in diagnosis wiring harness
Electronics box with fuse holder B -SB- and Fuse holder H -SH-
1 -
Fuse 1 on fuse holder B -SB1-
2 -
Fuse 2 on fuse holder B -SB2-
3 -
Terminal 30 battery +
4 -
Fuse 3 on fuse holder B -SB3-
5 -
Fuse 4 on fuse holder B -SB4-
6 -
Fuse 5 on fuse holder B -SB5-
Fuses in electronics box in fuse holder B -SB-
Fuse assignment in fuse holder B -SB-
No.
Current Flow Diagram designation
Nominal value
Function/component
Terminal
1
-
Fuse 1 on fuse holder B -SB1-
110 A4)
50 A5)
-
Onboard supply 4) Engine component supply4) Radiator fan control unit -J293-5) Radiator fan -V7-5)
30
2
-
Fuse 2 on fuse holder B -SB2-
250 A
-
Alternator -C- Voltage regulator -C1-
30
3
-
Terminal 30
-
-
Battery +
30
4
-
Fuse 3 on fuse holder B -SB3-
80 A
-
Power steering control unit -J500-
30
5
-
Fuse 4 on fuse holder B -SB4-
50 A6)
-
Automatic glow period control unit -J179-6) Glow plug 1 -Q10- Glow plug 2 -Q11- Glow plug 3 -Q12- Glow plug 4 -Q13-
30
6
-
Fuse 5 on fuse holder B -SB5-
50 A7)
-8) - 9)
-
Radiator fan control unit -J293-7) Radiator fan -V7-7) -
30
-
Fuse 1 (30) -S204-9)
125 A
-
Onboard supply 8) Engine component supply8)
30
4)
for models from November 2014 only
6)
for models up to October 2014
8)
Fuse 5 on fuse holder B -SB5- bridged, (see note)
Note
t
for models with battery in engine compartment only, from November 2014, fuse 5 on fuse holder B is
t
-SB5- not present. This connection is therefore bridged. In the line (16.0 mm², red), connected to -6-, there is an inline fuse (single fuse in wiring harness coiled under the battery carrier), fuse 1 (30) -S204- (125 A).
t
Fuse 1 (30) -S204- is only accessible with the battery and carrier removed.
Fuses in electronics box in fuse holder H -SH-
Fuse assignment in fuse holder H -SH-
For S1 version models only, from January 2014
For models from November 2014 only.
Fuse colours
40 A -
orange
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
No.
Current Flow Diagram designation
Nominal value
Function/component
Terminal
1
-
Fuse 1 on fuse holder H -SH1-
40 A
-
Heater element for auxiliary air heater -Z35-, stage 1
30
2
-
Fuse 2 on fuse holder H -SH2-
30 A
-
Radiator fan control unit -J293- Radiator fan -V7-
30
3
-
Fuse 3 on fuse holder H -SH3-
-
-
Vacant
30
4
-
Fuse 4 on fuse holder H -SH4-
40 A
-
Heater element for auxiliary air heater -Z35-, stage 2
30
5
-
Fuse 5 on fuse holder H -SH5-
40 A
-
Heater element for auxiliary air heater -Z35-, stage 3
30
6
-
Fuse 6 on fuse holder H -SH6-
30 A
-
Mechatronic unit for dual clutch gearbox -J743-
30
7
-
Fuse 7 on fuse holder H -SH7-
7.5 A
-
Engine control unit -J623-
30
8
-
Fuse 8 on fuse holder H -SH8-
20 A
-
Wiper motor switch-over relay 1 -J368- Wiper motor switch-over relay 2 -J369-
Brake light switch -F- Clutch position sender -G476-
87
14
-
Fuse 14 on fuse holder H -SH14-
5 A13) 10 A10)11)12)
-
Thermal switch for air conditioning system shut-off -F163- Fuel metering valve -N290- Oil pressure regulation valve -N428- Cylinder head coolant valve -N489- Coolant circulation pump -V50- Circulation pump -V55- Charge air cooling pump -V188- Auxiliary heating pump -V488-
87
15
-
Fuse 15 on fuse holder H -SH15-
5 A
-
Onboard supply control unit -J519-, T52c/34 Engine control unit -J623-, T91/67;T94/... Voltage stabiliser -J532-, T12aa/4
50
16
-
Fuse 16 on fuse holder H -SH16-
30 A
-
Starter motor -B-
50
17
-
Fuse 17 on fuse holder H -SH17-
15 A12)13) 30 A10)11)
-
Engine control unit -J623-
87
18
-
Fuse 18 on fuse holder H -SH18-
5 A10)11) 10 A12)13)
-
Oil level and oil temperature sender -G266- Fuel pump relay -J17- Radiator fan control unit -J293- Low heat output relay -J359- High heat output relay -J360- Charge pressure control solenoid valve -N75- Recirculation valve for turbocharger -N249- Intake manifold flap valve -N316- Oil pressure regulation valve -N428- Cooling oil valve -N471-
87
19
-
Fuse 19 on fuse holder H -SH19-
7.5 A10) 10 A11)13) 20 A12)
-
Engine component current supply relay -J757- Fuel pressure regulating valve -N276- Fuel metering valve -N290- Injector 2 for cylinder 1 -N532- Injector 2 for cylinder 2 -N533- Injector 2 for cylinder 3 -N534- Injector 2 for cylinder 4 -N535- Actuator 1 for camshaft adjustment -F366- Actuator 2 for camshaft adjustment -F367- Actuator 3 for camshaft adjustment -F368- Actuator 4 for camshaft adjustment -F369- Actuator 5 for camshaft adjustment -F370- Actuator 6 for camshaft adjustment -F371- Actuator 7 for camshaft adjustment -F372- Actuator 8 for camshaft adjustment -F373- Vacuum pump for brakes -V192-
87
20
-
Fuse 20 on fuse holder H -SH20-
5 A10)11) 10 A13) 20 A12)
-
Automatic glow period control unit -J179- Exhaust flap control unit -J883- Crankcase breather heater element -N79- Activated charcoal filter solenoid valve 1 -N80- Camshaft control valve 1 -N205- Exhaust camshaft control valve 1 -N318- Continued coolant circulation pump -V51- Sender 1 for secondary air pressure -G609- Sender 2 for secondary air pressure -G610-
87
10)
for models with 1.6 l diesel engine only
12)
for models with 1.8 l/2.0 l petrol engine only
AUDI A1 2010 fuse holder C SC
fuse holder C -SC-
Fitting location of fuse holder C -SC- for models with left-hand drive:
Fuses in fuse carrier 2 -ST2- on fuse holder C -SC- (brown)
No.
Current Flow Diagram designation
Nominal value
Function/component
Terminal
1
-
Fuse 1 on fuse holder C -SC1-
5 A
-
Alarm horn -H12- Anti-theft alarm sensor -G578-
30
2
-
Fuse 2 on fuse holder C -SC2-
5 A 19) 5 A 16) 7.5 A 14) 7.5 A 15) 7.5 A 17) 7.5 A18) 7.5 A 20)
-
Terminal 30 voltage supply relay -J317-22) Motronic current supply relay -J271-21) Engine control unit -J623-
30
3
-
Fuse 3 on fuse holder C -SC3-
5 A
-
Onboard supply control unit -J519-
30
4
-
Fuse 4 on fuse holder C -SC4-
5 A
15 A23)
-
ABS control unit -J104- Voltage stabiliser 2 -J570- All-wheel drive control unit -J492-23)
30
5
-
Fuse 5 on fuse holder C -SC5-
-
-
Vacant
-
6
-
Fuse 6 on fuse holder C -SC6-
5 A
-
Light/rain sensor -G397- Aerial amplifier for mobile telephone -R86- Telephone bracket -R126- Front roof module -WX3-
30
7
-
Fuse 7 on fuse holder C -SC7-
15 A 21) 20 A 22)
-
Fuel pump control unit -J538-21) Fuel pump relay -J17-22)
30
8
-
Fuse 8 on fuse holder C -SC8-
10 A21)
-
Auxiliary coolant pump relay -J496-, up to October 2014
30
9
-
Fuse 9 on fuse holder C -SC9-
5 A
-
Steering column electronics control unit -J527-
30
10
-
Fuse 10 on fuse holder C -SC10-
5 A
-
Light switch -E1-
30
11
-
Fuse 11 on fuse holder C -SC11-
10 A
-
Climatronic control unit -J255- Air conditioning system control unit -J301- Front passenger door control unit -J387- (up to April 2012) Rear right door control unit -J389- (up to April 2012) 16-pin connector -T16-, diagnosis connection
30
12
-
Fuse 12 on fuse holder C -SC12-
10 A
-
Driver door control unit -J386- (up to April 2012) Rear left door control unit -J388- (up to April 2012)
30
13
-
Fuse 13 on fuse holder C -SC13-
10 A
-
Onboard supply control unit -J519-
30
14
-
Fuse 14 on fuse holder C -SC14-
20 A
-
Relay for power sockets -J807-, for models without trailer socket only
30
15
-
Fuse 15 on fuse holder C -SC15-
30 A
-
Onboard supply control unit -J519-
30
16
-
Fuse 16 on fuse holder C -SC16-
20 A
-
Wiper motor switch-over relay 1 -J368-, up to October 2014 Engine component current supply relay -J757-23)24) Ignition coil 1 with output stage -N70-23)24) Ignition coil 2 with output stage -N127-23)24) Ignition coil 3 with output stage -N291-23)24) Ignition coil 4 with output stage -N292-23)24)
30
14)
for models with 1.4 l petrol engine (90 kW) only
16)
for models with 1.4 l petrol engine (136 kW) only
18)
for models with 1.6 l diesel engine only
20)
for models with petrol engine only
22)
for models with 2.0 l petrol engine, from January 2014
24)
Fuses in fuse carrier 3 -ST3- on fuse holder C -SC- (red)
No.
Current Flow Diagram designation
Nominal value
Function/component
Terminal
1
-
Fuse 1 on fuse holder C -SC1-
5 A 30) 5 A 31) 20 A 26) 20 A 27) 20 A 28)
-
Automatic glow period control unit -J179- Vacuum pump for brakes -V192-
15
2
-
Fuse 2 on fuse holder C -SC2-
10 A
5 A34)
-
Brake light switch -F- (up to October 2011) brake pedal switch -F63- (up to October 2011) auxiliary coolant pump relay -J496- Lambda probe heater -Z19- (up to October 2011) Lambda probe 1 heater after catalytic converter -Z29-, (up to October 2011) Supply Fuse 9 on fuse holder F -SF9-, (from November 2011, up to October 2014) Supply Fuse 10 on fuse holder F -SF10- (from November 2011, up to October 2014) ABS control unit -J104-, from November 2011
15
3
-
Fuse 3 on fuse holder C -SC3-
5 A 29) 5 A 30) 5 A 31) 7.5 A27) 15 A 25) 15 A 26) 15 A 28)
-
Air mass meter -G70-, up to October 2014 Fuel pump relay -J17-, up to October 2014 Low heat output relay -J359-, up to October 2014 High heat output relay -J360-, up to October 2014 Engine component current supply relay -J757-, up to October 2014 Fuel pressure regulating valve -N276-, up to October 2014 Coolant circulation pump -V50-, up to October 2014
15
4
-
Fuse 4 on fuse holder C -SC4-
15 A 25) 15 A 26) 15 A 28) 15 A 27) 25 A 29) 30 A 30) 30 A 31)
-
Engine control unit -J623- Clutch position sender -G476-, up to October 2011 Brake light switch -F-, up to October 2011
15
5
-
Fuse 5 on fuse holder C -SC5-
20 A 29) 15 A 30) 15 A 31) 20 A 25) 20 A 26) 20 A 28) 30 A 27)
-
Ignition coil 1 with output stage -N70-, up to October 2014 Ignition coil 2 with output stage -N127-, up to October 2014 Ignition transformer -N152-, up to October 2014 Fuel pressure regulating valve -N276-, up to October 2014 Fuel metering valve -N290-, up to October 2014 Ignition coil 3 with output stage -N291-, up to October 2014 Ignition coil 4 with output stage -N292-, up to October 2014
15
6
-
Fuse 6 on fuse holder C -SC6-
10 A 20 A 27)
-
Radiator fan control unit -J293-, up to October 2014 Heater element relay -J925-, up to October 2014 Charge pressure control solenoid valve -N75-, up to October 2014 Activated charcoal filter solenoid valve 1 -N80-, up to October 2014 Exhaust camshaft control valve 1 -N205-, up to October 2014 Recirculation valve for turbocharger -N249-, up to October 2014 Intake manifold flap valve -N316-, up to October 2014 Exhaust camshaft control valve 1 -N318-, up to October 2014 Switchover valve for exhaust recirculation cooler -N345-, up to October 2014 Oil pressure regulation valve -N428-, up to October 2014 Intake cam adjuster for cylinder 2 -N583-, up to October 2014 Exhaust cam adjuster for cylinder 2 -N587-, up to October 2014 Intake cam adjuster for cylinder 3 -N591-, up to October 2014 Exhaust cam adjuster for cylinder 3 -N595-, up to October 2014 Pump for exhaust recirculation cooler -V400-
15
7
-
Fuse 7 on fuse holder C -SC7-
5 A
-
CD changer -R41-
15
8
-
Fuse 8 on fuse holder C -SC8-
5 A
-
Internet access control unit -J666- Chip card reader control unit -J676- Radio -R- TV tuner -R78-
Engine component current supply relay -J757-, up to October 2014 Fuel pressure regulating valve -N276- , up to October 2014
30
12
-
Fuse 12 on fuse holder D -SD12-
-
-
Vacant
30
35)
Fuses in fuse carrier -ST2- on fuse holder D -SD- (brown)
No.
Current Flow Diagram designation
Nominal value
Function/component
Terminal
1
-
Fuse 1 on fuse holder D -SD1-
5 A
-
Reversing light switch -F4- Selector lever sensors control unit -J587- Mechatronic unit for dual clutch gearbox -J743-
15
2
-
Fuse 2 on fuse holder D -SD2-
10 A
-
High-pressure sender -G65- Oil level and oil temperature sender -G266- Air conditioning system control unit -J301- Relay for power sockets -J807- Automatic anti-dazzle interior mirror -Y7- 16-pin connector -T16-, diagnosis connection
15
3
-
Fuse 3 on fuse holder D -SD3-
5 A
-
Data bus diagnostic interface -J533-
15
4
-
Fuse 4 on fuse holder D -SD4-
5 A
-
Heater control unit -J65- Control unit for structure-borne sound -J869-
15
5
-
Fuse 5 on fuse holder D -SD5-
7.5 A
-
Light switch -E1- Starter relay 1 -J906- Voltage stabiliser -J532- Starter relay 2 -J907- Relay for automatic anti-dazzle interior mirror -J910- Front left headlight -MX1- Front right headlight -MX2-
15
6
-
Fuse 6 on fuse holder D -SD6-
5 A
-
Light switch -E1-
15
7
-
Fuse 7 on fuse holder D -SD7-
5 A
-
ABS control unit -J104-, up to October 2014 Voltage stabiliser 2 -J570-, up to October 2014 Electronically controlled damping control unit -J250-, from January 2014
15
8
-
Fuse 8 on fuse holder D -SD8-
5 A
-
Heated driver seat regulator -E94- Heated front passenger seat regulator -E95- Hazard warning lights button -E229- Heated rear window button -E230- TCS and ESP button -E256- Parking aid button -E266- Tyre pressure monitor display button -E492- Start/Stop operation button -E693- Trailer detector control unit -J345- Left washer jet heater element -Z20- Right washer jet heater element -Z21-
15
9
-
Fuse 9 on fuse holder D -SD9-
5 A
-
Power steering control unit -J500-
15
10
-
Fuse 10 on fuse holder D -SD10-
5 A 36) 7.5 A 37)
-
Air mass meter -G70- Fuel pump control unit -J538- Crankcase breather heater element -N79-
15
11
-
Fuse 11 on fuse holder D -SD11-
5 A
-
Airbag control unit -J234- Front passenger airbag deactivated warning lamp -K145-
15
12
-
Fuse 9 on fuse holder D -SD12-
5 A
-
Parking aid control unit -J446-
15
13
-
Fuse 10 on fuse holder D -SD13-
5 A
-
Control unit for headlight range control -J431-
15
14
-
Fuse 9 on fuse holder D -SD14-
30 A
-
Seat heating control unit -J882-
15
15
-
Fuse 10 on fuse holder D -SD15-
15 A
-
Rear window wiper motor -V12-
15
16
-
Fuse 11 on fuse holder D -SD16-
5 A
-
Engine control unit -J623- Air mass meter -G70-
15
36)
for models with diesel engine only
AUDI A1 2010 Relay/ fuse holder F SF
Relay/fuse holder F -SF-
Fitting location of relay/fuse holder F -SF- for models with left-hand drive:
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