Wiring Diagram AUDI A3 2016 - Driver seat lumbar support adjustment switch - Front passenger seat lumbar support adjustment switch - Fuse holder C - Front passenger seat adjustment thermal fuse 1

| E176 | Driver seat lumbar support adjustment switch |
| E177 | Front passenger seat lumbar support adjustment switch |
| SA1 | Fuse 1 in fuse holder A |
| SA4 | Fuse 4 in fuse holder A |
| SC | Fuse holder C |
| SC45 | Fuse 45 on fuse holder C |
| S46 | Front passenger seat adjustment thermal fuse 1 |
| S131 | Fuse 1 |
| S132 | Fuse 2 |
| T2kt | 2-pin connector |
| T2ku | 2-pin connector |
| T2kz | 2-pin connector |
| T2l | 2-pin connector |
| T6m | 6-pin connector |
| T6o | 6-pin connector |
| T8c | 8-pin connector, in driver seat |
| T8l | 8-pin connector, in front passenger seat |
| V125 | Driver seat lumbar support longitudinal adjustment motor |
| V126 | Front passenger seat lumbar support longitudinal adjustment motor |
| V129 | Driver seat lumbar support height adjustment motor |
| V130 | Front passenger seat lumbar support height adjustment motor |
| * | Only for RS 3 models |
| *2 | Only right-hand drive models |
| *3 | Not for RS 3 models |
| *4 | Only left-hand drive models |
Wiring Diagram AUDI A3 2016 - Driver seat adjustment operating unit
| E96 | Driver seat backrest adjustment switch |
| E222 | Driver seat rake adjustment switch |
| E363 | Driver seat longitudinal adjustment switch |
| E364 | Driver seat height adjustment switch |
| E470 | Driver seat adjustment operating unit |
| T2kv | 2-pin connector |
| T2kw | 2-pin connector |
| T2kx | 2-pin connector |
| T2ky | 2-pin connector |
| T6x | 6-pin connector |
| T8c | 8-pin connector, in driver seat |
| T10d | 10-pin connector, in coupling point for front seat, left |
| T10e | 10-pin connector, in coupling point for front seat, right |
| T10n | 10-pin connector |
| V28 | Driver seat longitudinal adjustment motor |
| V45 | Driver seat backrest adjustment motor |
| V243 | Driver seat rake adjustment motor |
| V245 | Driver seat height adjustment motor |
| 95 | Earth connection 1, in seat adjustment wiring harness |
| 370 | Earth connection 5, in main wiring harness |
| 684 | Earth point on front of left side member |
| M1 | Positive connection 1 (30), in seat adjustment wiring harness |
| * | Only right-hand drive models |
| *2 | Only left-hand drive models |
Wiring Diagram AUDI A3 2016 - Front passenger seat adjustment operating unit
| E64 | Front passenger seat longitudinal adjustment switch |
| E98 | Front passenger seat backrest adjustment switch |
| E334 | Front passenger seat rake adjustment button |
| E365 | Front passenger seat height adjustment switch |
| E471 | Front passenger seat adjustment operating unit |
| T2la | 2-pin connector |
| T2lb | 2-pin connector |
| T2lc | 2-pin connector |
| T2ld | 2-pin connector |
| T6y | 6-pin connector |
| T8l | 8-pin connector, in front passenger seat |
| T10d | 10-pin connector, in coupling point for front seat, left |
| T10e | 10-pin connector, in coupling point for front seat, right |
| T10m | 10-pin connector |
| V31 | Front passenger seat longitudinal adjustment motor |
| V46 | Front passenger seat backrest adjustment motor |
| V244 | Front passenger seat rake adjustment motor |
| V246 | Front passenger seat height adjustment motor |
| 140 | Earth connection 2, in seat adjustment wiring harness |
| 371 | Earth connection 6, in main wiring harness |
| 638 | Earth point, on right A-pillar |
| M2 | Positive connection 2 (30), in seat adjustment wiring harness |
| * | Only right-hand drive models |
| *2 | Only left-hand drive models |
AUDI A3 2016 Overview of fuses (3-door)
Note:
| t | Overview of fuses (4-door) → chapter |
| t | Overview of fuses (5-door) → chapter |
| t | Overview of fuses (Cabriolet) → chapter |
| 1 - | Fuse holder A -SA- |
| q | Fitting location: → chapter |
| q | Fuse assignment: → Chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 2 - | Fuse holder B -SB- |
| q | Fitting location: → chapter |
| q | Fuse assignment: → Chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 3 - | Fuse holder F -SF- |
| q | Fitting location: → chapter |
| q | Fuse assignment as of May 2013: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 3 - | Fuse carrier on onboard supply control unit -J519- |
| q | Components: -S46- |
| q | Fitting location for right-hand drive models: → chapter |
| q | Fuse assignment: → Chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 3 - | Fuse holder D -SD- |
| q | Fitting location for right-hand drive models: → chapter |
| q | Fuse assignment as of May 2013: → chapter |
| q | Fuse assignment as of May 2014: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 4 - | Fuse carrier on onboard supply control unit -J519- |
| q | Components: -S46- |
| q | Fitting location for left-hand drive models: → chapter |
| q | Fitting location for right-hand drive models: → item |
| q | Fuse assignment: → Chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 5 - | Fuse holder D -SD- |
| q | Fitting location for left-hand drive models: → chapter |
| q | Fitting location for right-hand drive models: → item |
| q | Fuse assignment up to April 2013: → chapter |
| q | Fuse assignment as of May 2013: → chapter |
| q | Fuse assignment as of May 2014: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 6 - | Fuse holder C -SC- |
| q | Fitting location: → chapter |
| q | Fuse assignment: → Chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
Note:
|
| 1 - | Fuse holder A -SA- |
| q | Fitting location: → chapter |
| q | Fuse assignment: → Chapter |
| 2 - | Fuse holder B -SB- |
| q | Fitting location: → chapter |
| q | Fuse assignment: → Chapter |
| 3 - | Fuse holder F -SF- |
| q | Fitting location: → chapter |
| q | Fuse assignment as of May 2013: → chapter |
| 3 - | Fuse carrier on onboard supply control unit -J519- |
| q | Components: -S46- |
| q | Fitting location for right-hand drive models: → chapter |
| q | Fuse assignment: → Chapter |
| 3 - | Fuse holder D -SD- |
| q | Fitting location for right-hand drive models: → chapter |
| q | Fuse assignment as of May 2013: → chapter |
| q | Fuse assignment as of May 2014: → chapter |
| 4 - | Fuse carrier on onboard supply control unit -J519- |
| q | Components: -S46- |
| q | Fitting location for left-hand drive models: → chapter |
| q | Fitting location for right-hand drive models: → item |
| q | Fuse assignment: → Chapter |
| 5 - | Fuse holder D -SD- |
| q | Fitting location for left-hand drive models: → chapter |
| q | Fitting location for right-hand drive models: → item |
| q | Fuse assignment up to April 2013: → chapter |
| q | Fuse assignment as of May 2013: → chapter |
| q | Fuse assignment as of May 2014: → chapter |
| 6 - | Fuse holder C -SC- |
| q | Fitting location: → chapter |
| q | Fuse assignment: → Chapter |
Note:
|
| 1 - | Fuse holder A -SA- |
| q | Fitting location without hybrid drive: → chapter |
| q | Fitting location with hybrid drive: → chapter |
| q | Fuse assignment with and without hybrid drive, without RS3: → chapter |
| q | Fuse assignment with RS3: → chapter |
| 2 - | Fuse holder B -SB- |
| q | Fitting location without hybrid drive: → chapter |
| q | Fitting location with hybrid drive: → chapter |
| q | Fuse assignment: → Chapter |
| 3 - | Fuse holder F -SF- |
| q | Fitting location: → chapter |
| q | Fuse assignment as of May 2013: → chapter |
| 3 - | Fuse carrier on onboard supply control unit -J519- |
| q | Components: -S46- |
| q | Fitting location for right-hand drive models: → chapter |
| q | Fuse assignment: → Chapter |
| 3 - | Fuse holder D -SD- |
| q | Fitting location for right-hand drive models: → chapter |
| q | Fuse assignment as of May 2013: → chapter |
| q | Fuse assignment as of May 2014: → chapter |
| 4 - | Fuse carrier on onboard supply control unit -J519- |
| q | Components: -S46- |
| q | Fitting location for left-hand drive models: → chapter |
| q | Fitting location for right-hand drive models: → item |
| q | Fuse assignment: → Chapter |
| 5 - | Fuse holder D -SD- |
| q | Fitting location for left-hand drive models: → chapter |
| q | Fitting location for right-hand drive models: → item |
| q | Fuse assignment up to April 2013: → chapter |
| q | Fuse assignment as of May 2013: → chapter |
| q | Fuse assignment as of May 2014: → chapter |
| 6 - | Fuse holder C -SC- |
| q | Fitting location: → chapter |
| q | Fuse assignment: → Chapter |
| 7 - | Fuse holder in main fuse box in luggage compartment |
| q | Components: -S131- , -S132- , -S133- , -S1- |
| q | Fitting location with RS3: → chapter |
| q | Fuse assignment with RS3: → chapter |
| 8 - | Fuse holder for battery in luggage compartment |
| q | Components: -S162- , -S163- |
| q | Fitting location with hybrid drive: → chapter |
| q | Fuse assignment, with hybrid drive: → chapter |
Note:
|
| 1 - | Fuse holder A -SA- |
| q | Fitting location: → chapter |
| q | Fuse assignment: → Chapter |
| 2 - | Fuse holder B -SB- |
| q | Fitting location: → chapter |
| q | Fuse assignment: → Chapter |
| 3 - | Fuse holder F -SF- |
| q | Fitting location: → chapter |
| q | Fuse assignment as of May 2013: → chapter |
| 3 - | Fuse holder H -SH- |
| q | Fitting location for left-hand drive models: → chapter |
| q | Fitting location for right-hand drive models: → item |
| q | Fuse assignment, from November 2013: → chapter |
| 3 - | Fuse carrier on onboard supply control unit -J519- |
| q | Components: -S46- |
| q | Fitting location for right-hand drive models: → chapter |
| q | Fuse assignment: → Chapter |
| 3 - | Fuse holder D -SD- |
| q | Fitting location for right-hand drive models: → chapter |
| q | Fuse assignment as of May 2013: → chapter |
| q | Fuse assignment as of May 2014: → chapter |
| 3 - | Fuse holder H -SH- |
| q | Fitting location for right-hand drive models: → chapter |
| q | Fuse assignment, from November 2013: → Chapter |
| 4 - | Fuse carrier on onboard supply control unit -J519- |
| q | Components: -S46- |
| q | Fitting location for left-hand drive models: → chapter |
| q | Fitting location for right-hand drive models: → item |
| q | Fuse assignment: → Chapter |
| 5 - | Fuse holder D -SD- |
| q | Fitting location for left-hand drive models: → chapter |
| q | Fitting location for right-hand drive models: → item |
| q | Fuse assignment as of May 2013: → chapter |
| q | Fuse assignment as of May 2014: → chapter |
| 6 - | Fuse holder C -SC- |
| q | Fitting location: → chapter |
| q | Fuse assignment: → Chapter |
| Fitting location fuse holder A -SA- , without hybrid drive |
| SA - | Fuse holder A |
| SA1 - | Fuse 1 on fuse holder A |
| SA2 - | Fuse 2 on fuse holder A |
| SA3 - | Fuse 3 on fuse holder A |
| SA4 - | Fuse 4 on fuse holder A |
| SA5 - | Fuse 5 on fuse holder A |
| Fitting location fuse holder A -SA- , with hybrid drive |
| A - | Fuse holder A |
| SA1 - | Fuse 1 on fuse holder A , → chapter |
| SA2 - | Fuse 2 on fuse holder A , → chapter |
| SA3 - | Fuse 3 on fuse holder A , → chapter |
| SA4 - | Fuse 4 on fuse holder A , → chapter |
| SA5 - | Fuse 5 on fuse holder A , → chapter |
| SA6 - | Fuse 6 on fuse holder A , → chapter |
| Fuse assignment fuse holder A -SA- , with and without hybrid drive, without RS3 |
| Screw location | Current Flow Diagram designation | Nominal value | Function/component | Terminal |
| J1A | Fuse 1 on fuse holder A -SA1- | 125 A | Supply for the fuses: | 30 |
| -SC4- …-SC14- | ||||
| -SC30- | ||||
| -SC31- | ||||
| -SC38- | ||||
| -SC39- | ||||
| -SC41- | ||||
| -SC42- | ||||
| -SC53- | ||||
| Front passenger seat adjustment thermal fuse 1 -S46- | ||||
| Terminal 15 voltage supply relay -J329- | ||||
| G1A | Fuse 2 on fuse holder A -SA2- | 150 A 1) 200 A 2) 250 A 3) 400 A 4) 250 A 5) | Alternator -C- | 30 |
| Power and control electronics for electric drive -JX1- 5) | ||||
| E1A | Fuse 3 on fuse holder A -SA3- | 80 A | Power steering control unit -J500- | 30 |
| K2A | Fuse 4 on fuse holder A -SA4- | 80 A | Supply for the fuses: | 30 |
| -SC15- …-SC20- | ||||
| -SC23- …-SC28- | ||||
| -SB43- …-SB45- | ||||
| L1A | Fuse 5 on fuse holder A -SA5- | 80 A 5) 50 A 6) | Radiator fan control unit -J293- | 30 |
| P1A | Fuse 6 on fuse holder A -SA6- | 50 A 5) | Mechatronic unit for dual clutch gearbox -J743- 5) 7) | 30 |
| 1) for models with 90 A alternator only, up to April 2013 |
| 2) for models with 140 A alternator only, up to April 2013 |
| 3) for models with 180 A alternator only, up to April 2013 |
| 4) for models with alternator only, from May 2013 |
| 5) for models with hybrid drive only |
| 6) for models with hybrid drive only |
| 7) for models with 6-speed dual clutch gearbox 0DD only |
| Fuse assignment, fuse holder A -SA- , with RS3 |
| Screw location | Current Flow Diagram designation | Nominal value | Function/component | Terminal |
| J1A | Fuse 1 on fuse holder A -SA1- | 80 A | Radiator fan control unit -J293- | 30 |
| G1A | Fuse 2 on fuse holder A -SA2- | 400 A | Alternator -C- | 30 |
| E1A | Fuse 3 on fuse holder A -SA3- | - | - | |
| K2A | Fuse 4 on fuse holder A -SA4- | 80 A | Power steering control unit -J500- | 30 |
| L1A | - | - |
| Fitting location fuse holder B -SB- , without hybrid drive |
| A - | Fuse holder B -SB- ; → chapter |
| Fuse colours: |
| t | 50 A - red |
| t | 40 A - orange |
| t | 30 A - light-green |
| t | 25 A - natural (white) |
| t | 20 A - yellow |
| t | 15 A - light blue |
| t | 10 A - red |
| t | 7.5 A - brown |
| t | 5 A - light-brown |
| t | 3 A - violet |
| Fitting location fuse holder B -SB- , with hybrid drive |
| A - | Fuse holder B -SB- ; → chapter |
| Fuse colours: |
| t | 50 A - red |
| t | 40 A - orange |
| t | 30 A - light-green |
| t | 25 A - natural (white) |
| t | 20 A - yellow |
| t | 15 A - light blue |
| t | 10 A - red |
| t | 7.5 A - brown |
| t | 5 A - light-brown |
| t | 3 A - violet |
| Fuse assignment on fuse holder B -SB- |
| Slot | Current Flow Diagram designation | Nominal value | Function/component | Terminal |
| F1 | Fuse 1 on fuse holder B -SB1- | 40 A | ABS control unit -J104- | 30 |
| F2 | Fuse 2 on fuse holder B -SB2- | 40 A | ABS control unit -J104- | 30 |
| F3 | Fuse 3 on fuse holder B -SB3- | 15 A 1) 30 A 2) | Engine control unit -J623- | 87 |
| F4 | Fuse 4 on fuse holder B -SB4- | 5 A 2) 14) 10 A 1) | Oil level and oil temperature sender -G266- | 87 |
| Engine component current supply relay -J757-14) | ||||
| Radiator fan control unit -J293- | ||||
| Charge pressure control solenoid valve -N75-2) | ||||
| Activated charcoal filter solenoid valve 1 -N80- 3) 4) | ||||
| Camshaft control valve 1 -N205-3) 4) | ||||
| Camshaft control valve 2 -N208- 4) | ||||
| Turbocharger air recirculation valve -N249- 5) | ||||
| Exhaust camshaft control valve 1 -N318- 4) | ||||
| Intake manifold flap valve -N316- 5) | ||||
| Exhaust gas recirculation cooler changeover valve -N345- 2) | ||||
| High-pressure valve for gas mode -N372- 4) 6) | ||||
| Valve for oil pressure control -N428- 4) 5) | ||||
| Piston cooling jet control valve -N522- 5) | ||||
| Air mass meter -G70- 5) | ||||
| Low heat output relay -J359- 2) | ||||
| High heat output relay -J360- 2) | ||||
| Relay for reducing agent metering system -J963- 19) | ||||
| Inlet cam actuator for cylinder 2 -N583- 4) | ||||
| Exhaust cam actuator for cylinder 2 -N587- 4) | ||||
| Inlet cam actuator for cylinder 3 -N591- 4) | ||||
| Exhaust cam actuator for cylinder 3 -N595- 4) | ||||
| Coolant shortage indicator control unit -J120- 13) | ||||
| F5 | Fuse 5 on fuse holder B -SB5- | 10 A 5) 2) 13) 7.5 A 6) 15 A 14) | Engine component current supply relay -J757- 5) | 87 |
| Activated charcoal filter solenoid valve 1 -N80- 14) | ||||
| Valve for oil pressure control -N428- 14) | ||||
| Intake manifold flap valve -N316- 14) | ||||
| Charge pressure control solenoid valve -N75- 14) | ||||
| Turbocharger air recirculation valve -N249- 14) | ||||
| Oil level and oil temperature sender -G266- 14) | ||||
| Exhaust flap control unit -J883- 14) | ||||
| Exhaust flap control unit 2 -J945- 14) | ||||
| Injector 2 for cylinder 1 -N532- 5) | ||||
| Injector 2 for cylinder 2 -N533- 5) | ||||
| Injector 2 for cylinder 3 -N534- 5) | ||||
| Injector 2 for cylinder 4 -N535- 5) | ||||
| Actuator 1 for camshaft adjustment -F366- 5) | ||||
| Actuator 2 for camshaft adjustment -F367- 5) | ||||
| Actuator 3 for camshaft adjustment -F368- 5) | ||||
| Actuator 4 for camshaft adjustment -F369- 5) | ||||
| Actuator 5 for camshaft adjustment -F370- 5) | ||||
| Actuator 6 for camshaft adjustment -F371- 5) | ||||
| Actuator 7 for camshaft adjustment -F372- 5) | ||||
| Actuator 8 for camshaft adjustment -F373- 5) | ||||
| Fuel pressure regulating valve -N276- 2) | ||||
| Fuel metering valve -N290- 2) | ||||
| Camshaft control valve 1 -N205- 2) | ||||
| Relay for gas shut-off valves -J908- 6) | ||||
| Gas injection valve 1 -N366- 6) | ||||
| Gas injection valve 2 -N367- 6) | ||||
| Gas injection valve 3 -N368- 6) | ||||
| Gas injection valve 4 -N369- 6) | ||||
| Coolant valve for gearbox -N488- 13) | ||||
| Coolant pump for high-temperature circuit -V467- 13) | ||||
| Coolant circulation pump 2 -V178- 13) | ||||
| F6 | Fuse 6 on fuse holder B -SB6- | 5 A | Brake light switch -F- | 87 |
| Brake pedal switch -F47- 14) | ||||
| Brake pedal switch -F63- | ||||
| F7 | Fuse 7 on fuse holder B -SB7- | 10 A2) 3) 4) 18) 5 A 5) 7) 7,5 A 5) 8) 15 A 13) 5 A 14) | Fuel pressure regulating valve -N276- 3) 4) | 87 |
| Solenoid valve for coolant circuit -N492- 14) | ||||
| Coolant circulation pump -V50- 14) | ||||
| Additional coolant pump relay -J496- 14) | ||||
| Ethanol concentration sender -G708- 18) | ||||
| Continued coolant circulation pump -V51- 3) 4) 18) | ||||
| Coolant shut-off valve -N82- 5) | ||||
| Coolant valve for gearbox -N488- 5) | ||||
| Valve for oil pressure control -N428- 2) | ||||
| Coolant valve for cylinder head -N489- 2) | ||||
| Charge air cooling pump -V188- 2) | ||||
| Auxiliary pump for heating -V488- 2) | ||||
| Coolant changeover valve 1 -N632- 13) | ||||
| Coolant changeover valve 2 -N633- 13) | ||||
| Coolant pump for low-temperature circuit -V468- 13) | ||||
| F8 | Fuse 8 on fuse holder B -SB8- | 10 A2) 3) 4) 15 A 5) 9) 13) 14) | Lambda probe heater -Z19- | 87 |
| Lambda probe 1 heater after catalytic converter -Z29- | ||||
| F9 | Fuse 9 on fuse holder B -SB9- | 20 A 3) 4) 10 A 5) 14) 5 A 2) | Ignition coil 1 with output stage -N70- 3) 4) | 87 |
| Camshaft control valve 1 -N205- 14) | ||||
| Exhaust camshaft control valve 1 -N318- 14) | ||||
| Ignition coil 2 with output stage -N127- 3) 4) | ||||
| Ignition coil 3 with output stage -N291- 3) 4) | ||||
| Ignition coil 4 with output stage -N292- 3) 4) | ||||
| Exhaust flap control unit -J883- 5) | ||||
| Activated charcoal filter solenoid valve 1 -N80- 5) | ||||
| Camshaft control valve 1 -N205- 5) | ||||
| Exhaust camshaft control valve 1 -N318- 5) | ||||
| Continued coolant circulation pump -V51- 5) | ||||
| Automatic glow period control unit -J179- 2) | ||||
| Air mass meter -G70- 2) | ||||
| Heater element for crankcase breather -N79- 2) | ||||
| Fuel tank shut-off valve -N288- 13) | ||||
| F10 | Fuse 10 on fuse holder B -SB10- | 15 A 1) 20 A 2) 14) | Fuel pump control unit -J538- | 87 |
| F11 | Fuse 11 on fuse holder B -SB11- | 40 A 50 A 13) | Auxiliary air heater element -Z35- 2) | 87 |
| Secondary air pump motor -V101- 5) 13) | ||||
| F12 | Fuse 12 on fuse holder B -SB12- | 40 A | Auxiliary air heater element -Z35- 2) | 87 |
| F13 | Fuse 13 on fuse holder B -SB13- | 15 A 10) 15) 16) 30 A 11) 17) | Mechatronic unit for dual clutch gearbox -J743- 10) 11) 15) 16) | 30 |
| Automatic gearbox control unit -J217- 17) | ||||
| F14 | Fuse 14 on fuse holder B -SB14- | 30 A 14) | Ignition coil 1 with output stage -N70- 14) | 87 |
| Ignition coil 2 with output stage -N127- 14) | ||||
| Ignition coil 3 with output stage -N291- 14) | ||||
| Ignition coil 4 with output stage -N292- 14) | ||||
| Ignition coil 5 with output stage -N323- 14) | ||||
| F15 | Fuse 15 on fuse holder B -SB15- | 15 A | Horn relay -J413- | 30 |
| F16 | Fuse 16 on fuse holder B -SB16- | 5 A 6) 10 A 13) 20 A 5) 30 A 14) | Relay for gas shut-off valves -J908- 6) | 30 |
| Fuel tank shut-off valve 1 -N361- 6) | ||||
| Fuel tank shut-off valve 2 -N362- 6) | ||||
| Engine component current supply relay -J757- 5) 14) | ||||
| Ignition coil 1 with output stage -N70- 5) | ||||
| Ignition coil 2 with output stage -N127- 5) | ||||
| Ignition coil 3 with output stage -N291- 5) | ||||
| Ignition coil 4 with output stage -N292- 5) | ||||
| Power and control electronics for electric drive -JX1- 13) | ||||
| High-voltage battery charger control unit -J1050- 13) | ||||
| Fuse 14 on fuse holder B -SB14- 14) | ||||
| Fuse 31 on fuse holder B -SB31- 14) | ||||
| F17 | Fuse 17 on fuse holder B -SB17- | 7.5 A | Main relay -J271- 1) | 30 |
| Terminal 30 voltage supply relay -J317- 2) | ||||
| Engine control unit -J623- | ||||
| ABS control unit -J104- | ||||
| F18 | Fuse 18 on fuse holder B -SB18- | 5 A | Battery monitor control unit -J367- | 30 |
| Data bus diagnostic interface -J533- | ||||
| F19 | Fuse 19 on fuse holder B -SB19- | 30 A | Wiper motor control unit -J400- | 30 |
| F20 | Fuse 20 on fuse holder B -SB20- | 10 A | Alarm horn -H12- | 30 |
| F21 | not assigned | - | - | |
| F22 | Fuse 22 on fuse holder B -SB22- | 5 A | Engine control unit -J623- | 50 |
| F23 | Fuse 23 on fuse holder B -SB23- | 30 A | Starter -B- | 50 |
| F24 | Fuse 24 on fuse holder B -SB24- | 40 A | Auxiliary air heater element -Z35- 2) | 87 2) 30 13) |
| Brake servo -NX6- 13) | ||||
| F25 | not assigned | - | - | |
| F26 | not assigned | - | - | |
| F27 | not assigned | - | - | |
| F28 | not assigned | - | - | |
| F29 | not assigned | - | - | |
| F30 | not assigned | - | - | |
| F31 | Fuse 31 on fuse holder B -SB31- | 5 A 7) 12) 7.5 A 13) 15 A 8) 10 A 14) | Output module for left headlight -J667- 7) 12) | 87 |
| Fuel metering valve -N290- 14) | ||||
| Vacuum pump relay -J57- 8) | ||||
| Vacuum pump for brakes -V192- 8) | ||||
| Coolant circulation pump before power and control electronics for electric drive -V508- 13) | ||||
| F32 | Fuse 32 on fuse holder B -SB32- | 5 A | Output module for right headlight -J668- 12) | 87 |
| Output module for left headlight -J667- 8) 12) | ||||
| F33 | Fuse 33 on fuse holder B -SB33- | 30 A | Brake system pressure accumulator -VX70- 13) | 30 |
| F34 | Fuse 34 on fuse holder B -SB34- | 5 A | Brake servo -NX6- 13) | 30 |
| F35 | Fuse 35 on fuse holder B -SB35- | 7.5 A | Air conditioning system relay -J32- 13) | 30 |
| Pressure sender for refrigerant circuit -G805- 13) | ||||
| Refrigerant pressure and temperature sender -G395- 13) | ||||
| Control unit for air conditioning compressor -J842- 13) | ||||
| High voltage heater (PTC) control unit -J848- 13) | ||||
| F36 | not assigned | |||
| F37 | Fuse 37 on fuse holder B -SB37- | 20 A | Auxiliary heater control unit -J364- | 30 |
| F38 | Fuse 38 on fuse holder B -SB38- | 20 A | Vacuum pump relay -J57- 7) | 30 |
| 1) Only models with petrol engine |
| 2) for models with diesel engine only |
| 3) for models with 1.2 l engine only |
| 4) for models with 1.4 l engine only |
| 5) for models with 1.8 l or 2.0 l engine only |
| 6) for CNG models only |
| 7) up to April 2013 |
| 8) From May 2013 |
| 9) for models with engine code CPTA, CZEA only |
| 10) for models with dual clutch gearbox 0D9 only |
| 11) for models with dual clutch gearbox 0CW only |
| 12) for models with LED headlights only |
| 13) for models with hybrid drive only |
| 14) for RS3 only |
| 15) for models with dual clutch gearbox 0BH only |
| 16) for models with dual clutch gearbox 0DE only |
| 17) for models with 6-speed automatic gearbox only |
| 18) for models with Brazil equipment only |
| 19) from November 2015 |
| Fitting location of fuse holder C -SC- |
| A - | Fuse holder C -SC- , → chapter |
| Fuse colours: |
| t | 50 A - red |
| t | 40 A - orange |
| t | 30 A - light-green |
| t | 25 A - natural (white) |
| t | 20 A - yellow |
| t | 15 A - light blue |
| t | 10 A - red |
| t | 7.5 A - brown |
| t | 5 A - light-brown |
| t | 3 A - violet |
| Fuse assignment, fuse holder C -SC- |
| Slot | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| F1 | Fuse 1 on fuse holder C -SC1- | 30 A | Control unit for reducing agent metering system -J880- | 30 | ||
| F2 | Fuse 2 on fuse holder C -SC2- | 10 A 1) | Driver seat lumbar support adjustment switch -E176- 1) | 30 | ||
| Front passenger seat lumbar support adjustment switch -E177- 1) | ||||||
| Driver seat lumbar support longitudinal adjustment motor -V125- 1) | ||||||
| Front passenger seat lumbar support longitudinal adjustment motor -V126- 1) | ||||||
| Driver seat lumbar support height adjustment motor -V129- 1) | ||||||
| Front passenger seat lumbar support height adjustment motor -V130- 1) | ||||||
| F3 | Fuse 3 on fuse holder C -SC3- | 40 A | Convertible roof actuation hydraulic pump relay -J321- | 30 | ||
| Hydraulic pump relay 2 for convertible roof -J588- | ||||||
| Convertible roof actuation hydraulic pump -V118- | ||||||
| F4 | Fuse 4 on fuse holder C -SC4- | 7.5 A | Multimedia system operating unit -E380- | 30 | ||
| Control unit 1 for information electronics -J794- | ||||||
| F5 | Fuse 5 on fuse holder C -SC5- | 5 A | Data bus diagnostic interface -J533- | 30 | ||
| F6 | Fuse 6 on fuse holder C -SC6- | 5 A | Selector lever -E313- 15) | 30 | ||
| Anti-theft alarm sensor -G578- 16) | ||||||
| F7 | Fuse 7 on fuse holder C -SC7- | 10 A | Heated rear window relay -J9- | 30 | ||
| Heater control unit -J65- | ||||||
| Climatronic control unit -J255- | ||||||
| Air conditioning system control unit -J301- | ||||||
| Selector lever -E313- 16) | ||||||
| Remote control receiver for auxiliary heater -R64- | ||||||
| F8 | Fuse 8 on fuse holder C -SC8- | 10 A | Light switch -E1- | 30 | ||
| Electromechanical parking brake button -E538- | ||||||
| Humidity sender -G355- | ||||||
| Rain and light sensor -G397- | ||||||
| Anti-theft alarm sensor -G578- 15) | ||||||
| 16-pin connector -T16- | ||||||
| Emergency call module control unit and communication unit -J949- 9) | ||||||
| Front roof module -WX3- | ||||||
| F9 | Fuse 9 on fuse holder C -SC9- | 1 A 1) 5 A 15) | Steering column electronics control unit -J527- 1) 15) | 30 | ||
| F10 | Fuse 10 on fuse holder C -SC10- | 5 A | Display unit for front information display and operating unit control unit -J685- | 30 | ||
| F11 | Fuse 11 on fuse holder C -SC11- | 15 A 2) 25 A 1) | All-wheel drive control unit -J492- 2) | 30 | ||
| Control unit for front left belt tensioner -J854- 1) | ||||||
| F12 | Fuse 12 on fuse holder C -SC12- | 15 A 4) 20 A 3) | Control unit 1 for information electronics -J794- | 30 | ||
| F13 | Fuse 13 on fuse holder C -SC13- | 20 A 15 A 9) | Electronically controlled damping control unit -J250- | 30 | ||
| Maintenance connector for high-voltage system -TW- 9) | ||||||
| F14 | Fuse 14 on fuse holder C -SC14- | 30 A | Fresh air blower control unit -J126- | 30 | ||
| F15 | Fuse 15 on fuse holder C -SC15- | 10 A | Control unit for electronic steering column lock -J764- | 30 | ||
| F16 | Fuse 16 on fuse holder C -SC16- | 7.5 A | Chip card reader control unit -J676- | 30 | ||
| TV tuner -R78- | ||||||
| Aerial amplifier for mobile telephone -R86- | ||||||
| Telephone bracket -R126- | ||||||
| Connection for external audio sources -R199- | ||||||
| F17 | Fuse 17 on fuse holder C -SC17- | 5 A | Control unit in dash panel insert -J285- | 30 | ||
| F18 | Fuse 18 on fuse holder C -SC18- | 7.5 A | Reversing camera system control unit -J772- | 30 | ||
| F19 | Fuse 19 on fuse holder C -SC19- | 7.5 A | Entry and start authorisation control unit -J518- | 30 | ||
| Interface control unit for vehicle location system -J843- | ||||||
| F20 | Fuse 20 on fuse holder C -SC20- | 15 A 2) 7.5 A 5) 6) 7) | Driver seat lumbar support adjustment switch -E176- 2) | 30 | ||
| Front passenger seat lumbar support adjustment switch -E177- 2) | ||||||
| Driver seat lumbar support longitudinal adjustment motor -V125- 2) | ||||||
| Front passenger seat lumbar support longitudinal adjustment motor -V126- 2) | ||||||
| Driver seat lumbar support height adjustment motor -V129- 2) | ||||||
| Front passenger seat lumbar support height adjustment motor -V130- 2) | ||||||
| Control unit for fuel tank leak detection -J909- 5) 7) | ||||||
| Relay for reducing agent metering system -J963- 6) 7) | ||||||
| F21 | not assigned | - | - | |||
| F22 | not assigned | - | - | |||
| F23 | Fuse 23 on fuse holder C -SC23- | 40 A | Onboard supply control unit -J519- | 30 | ||
| F24 | Fuse 24 on fuse holder C -SC24- | 20 A 30 A 8) | Sliding sunroof adjustment control unit -J245- | 30 | ||
| Convertible roof actuation control unit -J256- 8) | ||||||
| F25 | Fuse 25 on fuse holder C -SC25- | 30 A | Driver door control unit -J386- | 30 | ||
| Rear driver side door control unit -J926- | ||||||
| Control unit with rear driver side window regulator motor -J1016- | ||||||
| Rear left window regulator motor -V26- | ||||||
| F26 | Fuse 26 on fuse holder C -SC26- | 30 A | Onboard supply control unit -J519-
| 30 | ||
| F27 | Fuse 27 on fuse holder C -SC27- | 30 A | Digital sound package control unit -J525- | 30 | ||
| F28 | Fuse 28 on fuse holder C -SC28- | 5 A 7) 8) 20 A 2) | Convertible roof actuation control unit -J256- 7) 8) | 30 | ||
| Trailer detector control unit -J345- 2) | ||||||
| F29 | Fuse 29 on fuse holder C -SC29- | 7.5 A | Glove compartment light switch -E26- | 30 | ||
| Driver side vanity mirror contact switch -F147- | ||||||
| Front passenger side vanity mirror contact switch -F148- | ||||||
| Glove compartment light -W6- | ||||||
| Front passenger side illuminated vanity mirror -W14- | ||||||
| Left luggage compartment light -W18- | ||||||
| Driver side illuminated vanity mirror -W20- | ||||||
| Right luggage compartment light -W35- | ||||||
| Front roof module -WX3- | ||||||
| Front interior light -WX1- | ||||||
| Special vehicle control unit -J608- | ||||||
| F30 | Fuse 30 on fuse holder C -SC30- | 25 A 2) | Seat belt tensioner relay -J669- 2) | 30 | ||
| Control unit for front left belt tensioner -J854- 2) | ||||||
| F31 | Fuse 31 on fuse holder C -SC31- | 40 A | Onboard supply control unit -J519- | 30 | ||
| F32 | Fuse 32 on fuse holder C -SC32- | 7.5 A | Adaptive cruise control unit -J428- | 15 | ||
| Parking aid control unit -J446- | ||||||
| Park assist steering control unit -J791- | ||||||
| Lane change assist control unit -J769- | ||||||
| Lane change assist control unit 2 -J770- | ||||||
| Front camera for driver assist systems -R242- | ||||||
| F33 | Fuse 33 on fuse holder C -SC33- | 5 A | Airbag control unit -J234- | 15 | ||
| Front passenger airbag deactivated warning lamp -K145- | ||||||
| F34 | Fuse 34 on fuse holder C -SC34- | 7.5 A | Auto-hold button -E540- | 15 | ||
| Reversing light switch -F4- | ||||||
| Pressure sender for refrigerant circuit -G805- | ||||||
| Relay for power sockets -J807- | ||||||
| Control unit for structure-borne sound -J869- | ||||||
| Seat belt tensioner relay -J669- 2) | ||||||
| F35 | Fuse 35 on fuse holder C -SC35- | 10 A | Headlight range control regulator -E102- | 15 | ||
| Interior mirror -EX5- | ||||||
| Air quality sensor -G238- | ||||||
| Humidity sender in fresh air intake duct -G657- | ||||||
| Control unit for cornering light and headlight range control -J745- | ||||||
| Headlight range control unit -J431- | ||||||
| 16-pin connector -T16- | ||||||
| Left headlight range control motor -V48- | ||||||
| Right headlight range control motor -V49- | ||||||
| F36 | Fuse 36 on fuse holder C -SC36- | 15 A | Output module for right headlight -J668- | 15 | ||
| Output module 1 for right LED headlight -A27- | ||||||
| F37 | Fuse 37 on fuse holder C -SC37- | 15 A | Output module for left headlight -J667- | 15 | ||
| Output module 1 for left LED headlight -A31- | ||||||
| F38 | Fuse 38 on fuse holder C -SC38- | 20 A 2) 15 A 9) | Trailer detector control unit -J345- 2) | 30 | ||
| Hybrid battery unit -AX1- 9) | ||||||
| F39 | Fuse 39 on fuse holder C -SC39- | 30 A | Front passenger door control unit -J387- | 30 | ||
| Rear passenger side door control unit -J927- | ||||||
| Control unit with rear passenger side window regulator motor -J1017- | ||||||
| Rear right window regulator motor -V27- | ||||||
| F40 | Fuse 40 on fuse holder C -SC40- | 20 A | Electric socket -U- | 87 | ||
| Cigarette lighter -U1- | ||||||
| 12 V socket -U5- | ||||||
| F41 | Fuse 41 on fuse holder C -SC41- | 1 A 2) 25 A 1) | Steering column electronics control unit -J527- 2) | 30 | ||
| Control unit for front right belt tensioner -J855- 1) | ||||||
| F42 | Fuse 42 on fuse holder C -SC42- | 40 A | Onboard supply control unit -J519- | 30 | ||
| F43 | Fuse 43 on fuse holder C -SC43- | 30 A | Onboard supply control unit -J519- | 30 | ||
| F44 | Fuse 44 on fuse holder C -SC44- | 15 A | Trailer detector control unit -J345- 2) | 30 | ||
| All-wheel drive control unit -J492- 1) | ||||||
| F45 | Fuse 45 on fuse holder C -SC45- | 15 A | Driver seat adjustment operating unit -E470- | 30 | ||
| Driver seat lumbar support adjustment switch -E176- | ||||||
| F46 | not assigned | - | - | |||
| F47 | Fuse 47 on fuse holder C -SC47- | 15 A | Rear window wiper motor -V12- | 15 | ||
| F48 | Fuse 48 on fuse holder C -SC48- | 10 A 9) 5 A13) 14) | Front left headlight -MX1-14) | 15 | ||
| Front right headlight -MX2-14) | ||||||
| Engine sound generator control unit -J943- 9) | ||||||
| F49 | Fuse 49 on fuse holder C -SC49- | 5 A | Clutch position sender -G476- | 15 | ||
| Starter relay 1 -J906- | ||||||
| Starter relay 2 -J907- | ||||||
| Hybrid battery unit -AX1- 9) | ||||||
| Power and control electronics for electric drive -JX1- 9) | ||||||
| Current supply relay -J16- | ||||||
| F50 | not assigned | |||||
| F51 | Fuse 51 on fuse holder C -SC51- | 25 A 2) | Control unit for front right belt tensioner -J855- 2) | 15 | ||
| F52 | not assigned | |||||
| F53 | Fuse 53 on fuse holder C -SC53- | 30 A 10) 12) 40 A 11) 20 A 8) | Heated rear window relay -J9- | 30 | ||
| Heated rear window -Z1- |
| 1) From May 2013 |
| 2) up to April 2013 |
| 3) for models with MMI only |
| 4) Only models with radio |
| 5) Only models with petrol engine |
| 6) for models with diesel engine only |
| 7) from November 2013 |
| 8) for Cabriolet only |
| 9) for models with hybrid drive only |
| 10) for 3-door models only |
| 11) for 4-door models only |
| 12) for 5-door models only |
| 13) for RS3 only |
| 14) for models with LED headlights only |
| 15) From May 2015 |
| 16) up to April 2015 |
Note:
| On models with hybrid drive, fuse SC13 bears an emergency marking. When changing this fuse, an emergency marking must be affixed to it. |
| Fitting location, fuse holder D -SD- |
| Fitting location fuse holder D -SD- , left-hand drive |
| A - | Fuse holder D -SD- |
| Fuse colours: |
| t | 50 A - red |
| t | 40 A - orange |
| t | 30 A - light-green |
| t | 25 A - natural (white) |
| t | 20 A - yellow |
| t | 15 A - light blue |
| t | 10 A - red |
| t | 7.5 A - brown |
| t | 5 A - light-brown |
| t | 3 A - violet |
| Fitting location fuse holder D -SD- , right-hand drive |
| E - | Fuse holder D -SD- |
| Fuse colours: |
| t | 50 A - red |
| t | 40 A - orange |
| t | 30 A - light-green |
| t | 25 A - natural (white) |
| t | 20 A - yellow |
| t | 15 A - light blue |
| t | 10 A - red |
| t | 7.5 A - brown |
| t | 5 A - light-brown |
| t | 3 A - violet |
| Fuse assignment fuse holder D -SD- , from March 2012, up to April 2013 |
| Slot | Current Flow Diagram designation | Nominal value | Function/component | Terminal |
| F1 | Fuse 1 on fuse holder D -SD1- | 15 A | Socket -U- 1) | 15 |
| F2 | Fuse 2 on fuse holder D -SD2- | 10 A | Special vehicle control unit -J608- 2) | 30 |
| F3 | not assigned | - | - | |
| F4 | not assigned | - | - |
| 1) for driving school models only |
| 2) for models with driving aids only |
| Fuse assignment fuse holder D -SD- , from May 2013 |
| Slot | Current Flow Diagram designation | Nominal value | Function/component | Terminal |
| F1 | Fuse 1 on fuse holder D -SD1- | 20 A | Trailer detector control unit -J345- | 30 |
| F2 | Fuse 2 on fuse holder D -SD2- | 15 A | Trailer detector control unit -J345- | 30 |
| F3 | Fuse 3 on fuse holder D -SD3- | 20 A | Trailer detector control unit -J345- | 30 |
| F4 | Fuse 4 on fuse holder D -SD4- | 15 A | not assigned | - |
| Fuse assignment fuse holder D -SD- , from May 2014 |
| Slot | Current Flow Diagram designation | Nominal value | Function/component | Terminal |
| F1 | Fuse 1 on fuse holder D -SD1- | 25 A | Trailer detector control unit -J345- | 30 |
| F2 | Fuse 2 on fuse holder D -SD2- | 15 A | Trailer detector control unit -J345- | 30 |
| F3 | Fuse 3 on fuse holder D -SD3- | 25 A | Trailer detector control unit -J345- | 30 |
| F4 | Fuse 4 on fuse holder D -SD4- | 15 A | Trailer detector control unit -J345- | 30 |
| Fitting location fuse holder F -SF- , from May 2013 |
| B - | Fuse holder F -SF- , → chapter |
| Fuse colours: |
| t | 50 A - red |
| t | 40 A - orange |
| t | 30 A - light-green |
| t | 25 A - natural (white) |
| t | 20 A - yellow |
| t | 15 A - light blue |
| t | 10 A - red |
| t | 7.5 A - brown |
| t | 5 A - light-brown |
| t | 3 A - violet |
| Fuse assignment fuse holder F -SF- , from May 2013 |
| Slot | Current Flow Diagram designation | Nominal value | Function/component | Terminal |
| F1 | Fuse 1 on fuse holder F -SF1- | 15 A | Socket -U- 1) | 15 |
| F2 | Fuse 2 on fuse holder F -SF2- | 10 A | Special vehicle control unit -J608- 2) | 30 |
| 1) for driving school models only |
| 2) for models with driving aids only |
| Fitting location of fuse holder H -SH- |
| Fitting location fuse holder H -SH- , left-hand drive |
| A - | Fuse holder H -SH- |
| Fuse colours: |
| t | 50 A - red |
| t | 40 A - orange |
| t | 30 A - light-green |
| t | 25 A - natural (white) |
| t | 20 A - yellow |
| t | 15 A - light blue |
| t | 10 A - red |
| t | 7.5 A - brown |
| t | 5 A - light-brown |
| t | 3 A - violet |
| Fitting location fuse holder H -SH- , right-hand drive |
| D - | Fuse holder H -SH- |
| Fuse colours: |
| t | 50 A - red |
| t | 40 A - orange |
| t | 30 A - light-green |
| t | 25 A - natural (white) |
| t | 20 A - yellow |
| t | 15 A - light blue |
| t | 10 A - red |
| t | 7.5 A - brown |
| t | 5 A - light-brown |
| t | 3 A - violet |
| Fuse assignment on fuse holder H -SH- |
| Slot | Current Flow Diagram designation | Nominal value | Function/component | Terminal |
| F1 | Fuse 1 in fuse holder H -SH1- | 30 A | Control unit for right neck heating -J847- | 87 |
| Blower for right neck heating -V451- | ||||
| F2 | Fuse 2 in fuse holder H -SH2- | 30 A | Control unit for left neck heating -J846- | 87 |
| Blower for left neck heating -V450- |
| Fuse holder on onboard supply control unit -J519- , left-hand drive |
| A - | Front passenger seat adjustment thermal fuse 1 -S46- - 15 A |
| B - | not assigned |
| Fuse holder on onboard supply control unit -J519- , right-hand drive |
| A - | not assigned |
| B - | Front passenger seat adjustment thermal fuse 1 -S46- - 15 A |
| C - | not assigned |
| D - | Fuse holder H -SH- , → chapter |
| E - | Fuse holder D -SD- , → chapter |
| Fuse holder for battery in luggage compartment, with hybrid drive |
| 1 - | Fuse 1 (30) in fuse holder on battery -S162- - 200 A |
| 2 - | Fuse 2 (30), in battery fuse holder -S163- |
| Fitting location of fuse holder in main fuse box in luggage compartment, with RS3 |
| A - | Fuse holder in main fuse box in luggage compartment |
| 1 - | Fuse 3 -S133- |
| 2 - | Fuse 2 -S132- |
| 3 - | Fuse 1 -S131- |
| 4 - | Fuse 1 in fuse holder -S1- |
| Fuse assignment, fuse holder in main fuse box in luggage compartment |
| Screw location | Current Flow Diagram designation | Nominal value | Function/component | Terminal |
| A1 | Fuse 1 -S131- | 125 A | Supply for the fuses: | 30 |
| -SC4- …-SC14- | ||||
| -SC30- | ||||
| -SC31- | ||||
| -SC38- | ||||
| -SC39- | ||||
| -SC41- | ||||
| -SC42- | ||||
| -SC53- | ||||
| Front passenger seat adjustment thermal fuse 1 -S46- | ||||
| Terminal 15 voltage supply relay -J329- | ||||
| B1 | Fuse 2 -S132- | 80 A | Supply for the fuses: | 30 |
| -SC15- …-SC20- | ||||
| -SC23- …-SC28- | ||||
| -SB43- …-SB45- | ||||
| C1 | Fuse 3 -S133- | 125 A | Fuse 4 on fuse holder A -SA4- | 30 |
| Fuse 1 on fuse holder B -SB1- | ||||
| Fuse 2 on fuse holder B -SB2- | ||||
| Main relay -J271- | ||||
| G1 | Fuse 1 in fuse holder -S1- | 5 A | Battery monitor control unit -J367- | 30 |


































































