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Wiring Diagram AUDI A3 CABRIOLET 2010 - Fuses on fuse holder - X-contact relief relay
| J59 | X-contact relief relay |
| J301 | Air conditioning system control unit |
| J519 | Onboard supply control unit |
| SC16 | Fuse 16 on fuse holder C |
| SC22 | Fuse 22 on fuse holder C |
| SC25 | Fuse 25 on fuse holder C |
| T2b | 2-pin connector, brown (connector I) |
| T5d | 5-pin connector, black (connector C) |
| T10a | 10-pin connector, black, behind the glove compartment |
| T10d | 10-pin connector, black (connector K) |
| T20c | 20-pin connector, black (connector A) |
| 388 | Earth connection 23, in main wiring harness |
| 389 | Earth connection 24, in main wiring harness |
| B272 | Positive connection (30), in main wiring harness |
| B315 | Positive connection 1 (30a), in main wiring harness |
| * | ⇒ applicable Current Flow Diagram for models with battery in engine compartment |
Wiring Diagram AUDI A3 CABRIOLET 2010 - Fuses on fuse holder - terminal 15 voltage supply relay 2 - high-pressure sender
| G65 | High pressure sender |
| J301 | Air conditioning system control unit |
| J519 | Onboard supply control unit |
| J681 | Terminal 15 voltage supply relay 2 |
| SB30 | Fuse 30 on fuse holder B |
| SC4 | Fuse 4 on fuse holder C |
| T2t | 2-pin connector, black (connector L) |
| T20c | 20-pin connector, black (connector A) |
| T40 | 40-pin connector, black, on electronics box in engine compartment (connector J) |
| 388 | Earth connection 23, in main wiring harness |
| B273 | Positive connection (15), in main wiring harness |
| B281 | Positive connection 5 (15a), in main wiring harness |
| B283 | Positive connection 7 (15a), in main wiring harness |
| *** | ⇒ applicable Current Flow Diagram: seat heating |
Wiring Diagram AUDI A3 CABRIOLET 2010 - Vent temperature sender - temperature flap control motor - air recirculation flap control motor
| E159 | Fresh air/air recirculation flap switch |
| G92 | Temperature flap control motor potentiometer |
| G192 | Footwell vent temperature sender |
| G263 | Evaporator out-flow temperature sender |
| J301 | Air conditioning system control unit |
| J519 | Onboard supply control unit |
| K114 | Fresh air and air recirculation warning lamp |
| T16i | 16-pin connector, black (connector B) |
| V68 | Temperature flap control motor |
| V113 | Air recirculation flap control motor |
| L2 | Connection in air conditioning system wiring harness |
| * | if present |
| ** | for left-hand drive models only |
| *** | for right-hand drive models only |
Wiring Diagram AUDI A3 CABRIOLET 2010 - Fresh air blower series resistor with overheating fuse - fresh air blower
| E9 | Fresh air blower switch |
| J301 | Air conditioning system control unit |
| J519 | Onboard supply control unit |
| N24 | Fresh air blower series resistor with overheating fuse |
| T4m | 4-pin connector, black (connector A) |
| T5d | 5-pin connector, black (connector C) |
| T10a | 10-pin connector, black, behind the glove compartment |
| V2 | Fresh air blower |
| L66 | Connection, in heater blower wiring harness |
| L75 | Connection 2, in heater blower wiring harness |
Wiring Diagram AUDI A3 CABRIOLET 2010 - Convenience CAN bus - data bus diagnostic interface
| E30 | Air conditioning system switch |
| J301 | Air conditioning system control unit |
| J519 | Onboard supply control unit |
| J533 | Data bus diagnostic interface |
| K84 | Air conditioning system warning lamp |
| L16 | Fresh air regulator illumination bulb |
| T12e | 12-pin connector, black (connector G) |
| T16 | 16-pin connector, black, dash panel, driver side, bottom left (diagnostic connector) |
| T20c | 20-pin connector, black (connector A) |
| T20d | 20-pin connector, black (connector A) |
| B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
| B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
| ** | ⇒ applicable Current Flow Diagram: diagnostic connector |
Wiring Diagram AUDI A3 CABRIOLET 2010 - Auxiliary air heater
| J... | Engine control units |
| J301 | Air conditioning system control unit |
| J317 | Terminal 30 voltage supply relay |
| J359 | Low heat output relay |
| J360 | High heat output relay |
| J519 | Onboard supply control unit |
| SA4 | Fuse 4 on fuse holder A |
| SA6 | Fuse 6 on fuse holder A |
| SB15 | Fuse 15 on fuse holder B |
| T40 | 40-pin connector, black, on electronics box in engine compartment (connector J) |
| Z35 | Auxiliary heater element |
| F32 | Connection (glow plugs, coolant) in diesel direct injection system wiring harness |
| F37 | Connection (auxiliary heater), in diesel direct injection system wiring harness |
| * | ⇒ applicable Current Flow Diagram for models with battery in engine compartment |
| ** | for models with diesel engines only |
| **** | ⇒ applicable engine Current Flow Diagram |
| # | is dropped from November 2008 |
| ## | applicable from November 2008 |
Wiring Diagram AUDI A3 CABRIOLET 2010 - Heated seat regulator
| E94 | Heated driver seat regulator |
| E95 | Heated front passenger seat regulator |
| J301 | Air conditioning system control unit |
| J519 | Onboard supply control unit |
| J726 | Driver seat heating control unit |
| J727 | Front passenger seat heating control unit |
| T6o | 6-pin connector, black, on driver seat heating control unit |
| T6p | 6-pin connector, black, on front passenger seat heating control unit |
| T10t | 10-pin connector, black, under driver seat |
| T10u | 10-pin connector, black, under front passenger seat |
| T20c | 20-pin connector, black (connector A) |
| Z45 | Front left seat heating |
| Z46 | Front right seat heating |
| O12 | Connection 1, in seat heating wiring harness |
| O13 | Connection 2, in seat heating wiring harness |
| * | ⇒ applicable Current Flow Diagram: seat heating |
Wiring Diagram AUDI A3 CABRIOLET 2010 - Heated rear window relay - heated rear window - air conditioning system compressor regulating valve
| E230 | Heated rear window button |
| J9 | Heated rear window relay |
| J301 | Air conditioning system control unit |
| J519 | Onboard supply control unit |
| K10 | Heated rear window warning lamp |
| N280 | Air conditioning system compressor regulating valve |
| T4 | 4-pin connector, black, in front left engine compartment |
| T20c | 20-pin connector, black (connector A) |
| T10d | 10-pin connector, black (connector K) |
| T10z | 10-pin connector, black, behind the left rear light |
| Z1 | Heated rear window |
| 382 | Earth connection 17, in main wiring harness |
| **** | Operation for Z1 via convenience CAN bus |
AUDI A3 CABRIOLET 2010 Overview of relay
Overview of relay
| 1 - | Relay carrier on electronics box |
| q | in left of engine compartment. |
| q | Components: -J271-, -J299-, -J317-, -J363-, -J496-, -J757- |
| q | Relay positions |
| 2 - |
| 3 - | Relay carrier on onboard power supply control unit |
| q | on left under dash panel |
| q | Components: -J9-, -J59-, -J413-, -J576-, -J681-, -J689- |
| q | Relay assignment from March 2008 |
| q | Relay assignment, from May 2009 |
| Relay locations on electronics box low |
| 1 - | Motronic current supply relay -J271- |
| q | Slot A1 |
| q | for models with engine codes BZB, CAWB, CDAA, CCZA, CBZB, CAXC only |
| 1 - | Terminal 30 voltage supply relay -J317- |
| q | Slot A1 |
| q | for models with engine codes BLS, CBAB, CBAA, CAYC, CFFA, CFFB only |
| 1 - | Current supply relay for Simos control unit -J363- |
| q | Slot A1 |
| q | for models with engine code BSE only |
| 2 - | Wiring bridges, automatic glow period control unit -J179- |
| q | Slot A2 |
| q | for models with engine codes BLS, CBAB, CBAA, CAYC, CFFA, CFFB only |
| 2 - | Engine components current supply relay -J757- |
| q | Slot A2 |
| q | for models with engine codes BZB, CAWB, CDAA, CCZA, CBZB only |
| 2 - | Secondary air pump relay -J299- |
| q | Slot A2 |
| q | for models with engine code BSE only |
| 2 - | Additional coolant pump relay -J496- |
| q | Slot A2 |
| q | for models with engine code CAXC only |
AUDI A3 CABRIOLET 2010 Relay positions relay carrier on onboard supply control unit, under left dash panel, from March 2008
| Relay positions relay carrier on onboard supply control unit, under left dash panel, from March 2008 |
| 1 - | Terminal 15 voltage supply relay 2 -J681- |
| q | Slot B 1 |
| 2 - | Not assigned |
| q | Slot B 2 |
| 3 - | Heated rear window relay -J9- |
| q | Slot B 5 |
| 4 - | Horn relay -J413- |
| q | Slot B 6 |
| 5 - | X-contact relief relay -J59- |
| q | Slot B 9 |
| 6 - | Washer pump relay -J576- |
| q | Slot B 8 |
| 7 - | Not assigned |
| q | Slot B 7 |
| 8 - | Not assigned |
| q | Slot B 3 |
| 9 - | Terminal 30 voltage supply relay 2 -J689- |
| q | Slot B 4 |
AUDI A3 CABRIOLET 2010 Relay positions relay carrier on onboard supply control unit, under left dash panel, from May 2009
| Relay positions relay carrier on onboard supply control unit, under left dash panel, from May 2009 |
| 1 - | Terminal 15 voltage supply relay 2 -J681- |
| 2 - | Heated rear window relay -J9- |
| 3 - | Horn relay -J413- |
| 3 - | Headlight washer system relay -J39- |
| 4 - | X-contact relief relay -J59- |
| 5 - | High heat output relay -J360- |
| q | for models with auxiliary air heating only |
Note:
| -J39- and -J413- are mini-relays and can be found on a relay slot. |
AUDI A3 CABRIOLET 2010 Relay positions under left dash panel
| Relay positions under left dash panel |
| 1 - | Low heat output relay -J359- |
| q | for models with auxiliary air heating only |
| 2 - | Terminal 50 voltage supply relay -J682- |
| q | only models without stop/start system |
| 3 - | Supplementary fuel pump relay -J832- |
| q | Slot 3.1 |
| q | for models with engine codes CBAB, CBAA only |
| q | is dropped from May 2009 |
| q | for models from May 2009 |
| 3 - | Starter relay 1 -J906- |
| q | Slot 3.1 |
| q | applicable from May 2009 |
| q | only models with stop/start system |
| 3 - | Headlight washer system relay -J39- |
| q | Slot 3.2 |
| q | is dropped from May 2009 |
| q | for models from May 2009 |
| 3 - | Starter relay 2 -J907- |
| q | Slot 3.2 |
| q | applicable from May 2009 |
| q | only models with stop/start system |
| 4 - | Fuel pump relay -J17- |
| q | Slot 4.1 |
| q | for models with engine codes BLS, CBAA, CBAB, CAYC, CFFA, CFFB |
| q | for models with engine code BSE only, is dropped from May 2009 |
| 4 - | Electric fuel pump 2 relay -J49- |
| q | Slot 4.1 |
| q | for models with engine code BSE only, applicable from May 2009 |
| 4 - | Continued coolant circulation relay -J151- |
| q | Slot 4.1 |
| q | for models with engine codes BZB, CAWB, CDAA, CCZA only |
| 4 - | Electric fuel pump 2 relay -J49- |
| q | Slot 4.2 |
| q | for models with auxiliary heater and engine codes BLS, CBAA, CBAB, CAYC, CFFA, CFFB only |
| q | for models with engine code BSE only, is dropped from May 2009 |
| 4 - | Fuel pump relay -J17- |
| q | Slot 4.2 |
| q | for models with engine code BSE only, applicable from May 2009 |
| 5 - | High heat output relay -J360- |
| q | for models with auxiliary air heating only |
| q | is dropped from May 2009 |
| q | for models from May 2009 |
| 5 - | Automatic anti-dazzle interior mirror relay -J910- |
| q | Slot 5.1 |
| q | applicable from May 2009 |
| 5 - | AUDI A3 CABRIOLET 2010 Overview of control units | Overview of control units |
| q | Connector assignment |
| q | Connector assignment |
| q | Connector assignment |
| q | Connector assignment |
| q | Connector assignment |
| q | Connector assignment |
| q | Connector assignment |
| q | Connector assignment |
| q | Location from May 2009 |
| q | Connector assignment from March 2008 |
| q | Connector assignment from May 2009 |
| -J162- |
| q | Location |
| 9 - |
| q | Connector assignment |
| q | Connector assignment |
| 11 - |
| q | Connector assignment |
| q | Connector assignment |
| q | Connector assignment |
| Control unit with display for radio and navigation system -J503- |
| q | Location |
| 15 - |
|
|
| Connector assignment. |
| A - | Headlight range control, control unit -J431- |
| Connector: |
| B - | 26-pin connector -T26a- |
AUDI A3 CABRIOLET 2010 Front passenger seat heating control unit J727
|
|
| Connector assignment. |
| - | Front passenger seat heating control unit -J727- |
| Connector: |
| A - | 6-pin connector -T6p- |
AUDI A3 CABRIOLET 2010 Control unit in dash panel insert J285
|
|
| Connector assignment. |
| - | Control unit in dash panel insert -J285- |
| Connector: |
| A - | 32-pin connector -T32- |
AUDI A3 CABRIOLET 2010 Fuel pump control unit J538
|
|
| Connector assignment. |
| A - | Fuel pump control unit -J538- |
| Connector: |
| B - | 10-pin connector -T10b- |
AUDI A3 CABRIOLET 2010 Driver seat heating control unit J726
|
|
| Connector assignment. |
| - | Driver seat heating control unit -J726- |
| Connector: |
| A - | 6-pin connector -T6o- |
AUDI A3 CABRIOLET 2010 Steering column electronics control unit J527
|
|
| Connector assignment. |
| A - | Steering column electronics control unit -J527- |
| B - | 4-pin connector(Airbag mounting) |
| C - | 10-pin connector(Cruise control system and turn signal support) |
| D - | 20-pin connector -T20b- |
| E - | 4-pin connector -T4n- |
| F - | 12-pin connector(Ignition/starter switch and ignition key withdrawal lock support) |
| G - | 8-pin connector(Wiper support, interval potentiometer and multifunction system) |
| H - | 10-pin connector(Steering angle sensor support) |
| I - | 10-pin connector(Coil connector support) |
AUDI A3 CABRIOLET 2010 Driver door control unit J386
|
|
| Connector assignment. |
| A - | Driver door control unit -J386- |
| Connector: |
| B - | 32-pin connector -T32a- |
| C - | 16-pin connector -T16b- |
| D - | 20-pin connector -T20f- |
AUDI A3 CABRIOLET 2010 Onboard supply control unit J519
|
|
| Connector assignment. |
| - | Onboard supply control unit -J519- |
| Connector: |
| A - | 11-pin connector -T11b- |
| B - | 12-pin connector -T12c- |
| C - | 12-pin connector -T12d- |
| D - | 11-pin connector -T11c- |
| E - | 16-pin connector -T16a- |
| F - | 8-pin connector -T8h- |
| G - | 12-pin connector -T12e- |
| H - | 12-pin connector |
| I - | 2-pin connector -T2b- |
| J - | 6-pin connector -T6h- |
| K - | 10-pin connector -T10d- |
| L - | 2-pin connector -T2t- |
AUDI A3 CABRIOLET 2010 Onboard supply control unit J519
|
|
| Connector assignment. |
| - | Onboard supply control unit -J519- |
| Connector: |
| A - | 52-pin connector -T52a- |
| B - | 52-pin connector -T52b- |
| C - | 52-pin connector -T52c- |
AUDI A3 CABRIOLET 2010 Heater control unit J65 / Heater control unit J162
|
AUDI A3 CABRIOLET 2010 Climatronic control unit J255
|
| Connector assignment. |
| - | Climatronic control unit -J255- |
| Connector: |
| A - | 12-pin connector -T12f- |
| B - | 20-pin connector -T20j- |
| C - | 16-pin connector -T16e- |
| D - | 16-pin connector -T16d- |
AUDI A3 CABRIOLET 2010 Data bus diagnostic interface J533
|
Note
|
| Connector assignment. |
| A - | Data bus diagnostic interface -J533- |
| Connector: |
| B - | 20-pin connector -T20d- |
AUDI A3 CABRIOLET 2010 Fresh air blower control unit J126
|
AUDI A3 CABRIOLET 2010 Front passenger door control unit J387
|
| Connector assignment. |
| A - | Front passenger door control unit -J387- |
| Connector: |
| B - | 32-pin connector -T32b- |
| C - | 16-pin connector -T16c- |
| D - | 20-pin connector -T20g- |
AUDI A3 CABRIOLET 2010 Airbag control unit J234
|
|
| Connector assignment. |
| A - | Airbag control unit -J234- |
| Connector: |
| B - | 75-pin connector -T75- |
AUDI A3 CABRIOLET 2010 Connection for external audio source R199
|
| A - | Connection for external audio source -R199- |
| B - | 12-pin connector -T12y- |
AUDI A3 CABRIOLET 2010 Radio R / Control unit with display for radio and navigation system J503 (RNS-low)
|
AUDI A3 CABRIOLET 2010 Navigation operating electronics control unit J402 (RNS-E)
|
AUDI A3 CABRIOLET 2010 CD changer R41
|
AUDI A3 CABRIOLET 2010 Voltage stabiliser J532
|
|
AUDI A3 CABRIOLET 2010 Overview of fuses
Overview of fuses
| q | Location on main fuse holder, electronics box low, from November 2008 |
| q | Position of fuses on main fuse holder, electronics box low, from March 2008 |
| q | Position of fuses on main fuse holder, electronics box low, from November 2008 |
| q | Fuse assignment for E-box low |
| q | Position of fuses |
| Main fuse holder: Location fuse holder A -SA- on electronics box low, from March 2008 |
| Main Supply Connection: |
| M - | Screw connection M (terminal 30) |
AUDI A3 CABRIOLET 2010 Position of fuses electronics box low, from March 2008
| Position of fuses electronics box low, from March 2008 |
| Current Flow Diagram designation | Nominal value | Function/component | Terminal | |||
| Fuse 1 on fuse holder A -SA1- | 150 A | - | Alternator -C- (70 A) Alternator -C- (90 A) Alternator -C- (110 A) Alternator -C- (120 A) | 30 | ||
| 200 A | - | Alternator -C- (140 A) | 30 | |||
| Fuse 2 on fuse holder A -SA2- | 80 A | - | Power steering control unit -J500- | 30 | ||
| Fuse 3 on fuse holder A -SA3- | 50 A | - | Radiator fan thermal switch -F18- Radiator fan control unit -J293- Radiator fan -V7- | 30 | ||
| Fuse 4 on fuse holder A -SA4- | 40 A | - | Low heat output relay -J359- | 30 | ||
| Fuse 5 on fuse holder A -SA5- | 80 A | - | B272 Positive connection (30), in main wiring harness Supply for the fuses: -SC12- up to -SC17-, -SC22- up to -SC27-, -SC28-, -SC38-, -SC43- | 30 | ||
| Fuse 6 on fuse holder A -SA6- | 80 A | - | High heat output relay -J360- | 30 | ||
| Fuse 7 on fuse holder A -SA7- | - | - | Not assigned | - | ||
AUDI A3 CABRIOLET 2010 Main fuse holder: Location fuse holder A SA on electronics box low, from November 2008
| Main fuse holder: Location fuse holder A -SA- on electronics box low, from November 2008 |
| Main Supply Connection: |
| M - | Screw connection M (terminal 30) |
AUDI A3 CABRIOLET 2010 Position of fuses in electronics box low, from November 2008
| Position of fuses in electronics box low, from November 2008 |
| Current Flow Diagram designation | Nominal value | Function/component | Terminal | |||
| Fuse 1 on fuse holder A -SA1- | 150 A | - | Alternator -C- (70 A) Alternator -C- (90 A) Alternator -C- (110 A) Alternator -C- (120 A) | 30 | ||
| 200 A | - | Alternator -C- (140 A) | 30 | |||
| Fuse 2 on fuse holder A -SA2- | 80 A | - | Power steering control unit -J500- | 30 | ||
| Fuse 3 on fuse holder A -SA3- | 50 A | - | Radiator fan thermal switch -F18- Radiator fan control unit -J293- Radiator fan -V7- | 30 | ||
| Fuse 4 on fuse holder A -SA4- | 80 A | - | High heat output relay -J360- | 30 | ||
| Fuse 5 on fuse holder A -SA5- | 80 A | - | B272 Positive connection (30), in main wiring harness Supply for the fuses: -SC12- up to -SC17-, -SC22- up to -SC27-, -SC28-, -SC38-, -SC43- | 30 | ||
| Fuse 6 on fuse holder A -SA6- | 40 A | - | Low heat output relay -J359- | 30 | ||
| Fuse 7 on fuse holder A -SA7- | - | - | Not assigned | - | ||
AUDI A3 CABRIOLET 2010 Location fuse holder B SB on electronics box low, in left of engine compartment
| Location fuse holder B -SB- on electronics box low, in left of engine compartment |
| Fuse colours |
| 50 A - red |
| 40 A - orange |
| 30 A - light-green |
| 25 A - natural (white) |
| 20 A - yellow |
| 15 A - light blue |
| 10 A - red |
| 7.5 A - brown |
| 5 A - light-brown |
| 3 A - purple |
AUDI A3 CABRIOLET 2010 Position of fuses electronics box low
| Position of fuses electronics box low |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| F1 | - | Fuse 1 on fuse holder B -SB1- | 40 A | - | Voltage stabiliser -J532- Supply for the fuses: -SC7- up to -SC11- only models with stop/start system applicable from May 2009 | 30 |
| F1 | - | Fuse 1 on fuse holder B -SB1- | 40 A | - | Supply for the fuses: -SC7- up to -SC10- only models without stop/start system applicable from May 2009 | 30 |
| F2 | - | Fuse 2 on fuse holder B -SB2- | 30 A | - | Mechatronic unit for dual clutch gearbox -J743- (7-speed dual clutch gearbox 0AM) | 30 |
| F3 | - | Fuse 3 on fuse holder B -SB3- | 5 A | - | Onboard supply control unit -J519- | 30 |
| F3 | - | Fuse 3 on fuse holder B -SB3- | 5 A | - | Battery monitor control unit -J367- applicable from May 2009 | 30 |
| F4 | - | Fuse 4 on fuse holder B -SB4- | 20 A | - | ABS control unit -J104- (MK60 valves) | 30 |
| F4 | - | Fuse 4 on fuse holder B -SB4- | 30 A | - | ABS control unit -J104- (MK70 valves) is dropped from May 2008 | 30 |
| F5 | - | Fuse 5 on fuse holder B -SB5- | 15 A | - | Mechatronic unit for dual clutch gearbox -J743- | 30 |
| F6 | - | Fuse 6 on fuse holder B -SB6- | 5 A | - | Control unit in dash panel insert -J285- is dropped from May 2009 | 30 |
| F6 | - | Fuse 6 on fuse holder B -SB6- | 5 A | - | Steering column electronics control unit -J527- | 30 |
| F7 | - | Not assigned | - | - | 30 | |
| F8 | - | Fuse 8 on fuse holder B -SB8- | 15 A | - | Navigation operating electronics control unit -J402- (RNS-E) Control unit with display for radio and navigation system -J503- (RNS low) Radio -R- is dropped from May 2009 | 30 |
| F8 | - | Fuse 8 on fuse holder B -SB8- | 25 A | - | Control unit with display for radio and navigation -J503- (for Japan only) is dropped from May 2009 | 30 |
| F9 | - | Fuse 9 on fuse holder B -SB9- | 5 A | - | Navigation system with CD drive control unit -J401- Telephone transmitter and receiver unit -R36- Aerial amplifier for mobile telephone -R86- 18-pin connector -T18a- (VDA interface) is dropped from May 2009 | 30 |
| F10 | - | Fuse 10 on fuse holder B -SB10- | 5 A | - | Motronic current supply relay -J271- (CBZB, CAXC) | 30 |
| F10 | - | Fuse 10 on fuse holder B -SB10- | 5 A | - | Engine control units -J...- (CBAB, CBAA, CAYC, CFFA, CFFB, CBZB, CAXC) Terminal 30 voltage supply relay -J317- (BLS, CBAB, CBAA, CAYC, CFFA, CFFB) | 30 |
| F10 | - | Fuse 10 on fuse holder B -SB10- | 10 A | - | Engine control units -J...- (BZB, CAWB, CDAA, CCZA) Motronic current supply relay -J271- (BZB, CAWB, CDAA, CCZA) | 30 |
| F11 | - | Fuse 11 on fuse holder B -SB11- | 20 A | - | Auxiliary heater control unit -J364- | 30 |
| F12 | - | Fuse 12 on fuse holder B -SB12- | 5 A | - | Data bus diagnostic interface -J533- | 30 |
| F13 | - | Fuse 13 on fuse holder B -SB13- | 30 A | - | Engine control units -J...- (BLS, CBAB, CBAA, CAYC, CFFA, CFFB) | 87 |
| 15 A | Engine control units -J...- (BZB, CAWB, BSE, CDAA, CCZA, CBZB, CAXC) | |||||
| F14 | - | Fuse 14 on fuse holder B -SB14- | 20 A | - | Ignition coil 1 with output stage -N70- Ignition coil 2 with output stage -N127- Ignition coil 3 with output stage -N291- Ignition coil 4 with output stage -N292- for models with engine codes BZB, CAWB, CDAA, CCZA, CAXC only | 87 |
| F14 | - | Fuse 14 on fuse holder B -SB14- | 20 A | - | Ignition coil 1 with output stage -N- Output stage -N122- Ignition coil 2 -N128- for models with engine codes BSE, CBZB only | 87 |
| F14 | - | Fuse 14 on fuse holder B -SB14- | 20 A | - | Fuel pressure regulating valve -N276- Fuel metering valve -N290- for models with engine codes CBAB, CBAA, CAYC, CFFA, CFFB only is dropped from May 2011 | 87 |
| F14 | - | Fuse 14 on fuse holder B -SB14- | 15 A | - | Fuel pressure regulating valve -N276- Fuel metering valve -N290- for models with engine codes CBAB, CBAA, CAYC, CFFA, CFFB only applicable from May 2011 | 87 |
| F15 | - | Fuse 15 on fuse holder B -SB15- | 5 A | - | Fuel pump relay -J17- Automatic glow period control unit -J179- for models with engine codes BLS, CBAB, CBAA, CAYC, CFFA, CFFB only | 87 |
| F15 | - | Fuse 15 on fuse holder B -SB15- | 5 A | - | Low heat output relay -J359- High heat output relay -J360- for models with engine codes BLS, CBAB, CBAA, CAYC, CFFA, CFFB only for models with auxiliary air heating only | 87 |
| F15 | - | Fuse 15 on fuse holder B -SB15- | 5 A | - | Supplementary fuel pump relay -J832- for models with engine codes CBAB, CBAA, CFFA, CFFB only | 87 |
| F15 | - | Fuse 15 on fuse holder B -SB15- | 10 A | - | Lambda probe heater -Z19- (CBZB, CAXC) Lambda probe 1 heater after catalytic converter -Z29- (CBZB, CAXC) | 87 |
| F16 | - | Fuse 16 on fuse holder B -SB16- | 30 A | - | Onboard supply control unit -J519- Right side light supply, right main beam, right dipped beam, right turn signal, right fog light | 30 |
| F17 | - | Fuse 17 on fuse holder B -SB17- | 15 A | - | High tone horn -H2- Low tone horn -H7- | 30 |
| F18 | - | Fuse 18 on fuse holder B -SB18- | 30 A | - | Amplifier -R12- | 30 |
| F18 | - | Fuse 18 on fuse holder B -SB18- | 30 A | - | Voltage stabiliser -J532- Amplifier -R12- only models with stop/start system applicable from May 2009 | 30 |
| 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 | - | Coolant circulation pump -V50- (CBZB, CAXC) | 87 |
| F20 | - | Fuse 20 on fuse holder B -SB20- | 20 A | - | Fuel pressure regulating valve -N276- (BZB, CAWB, CDAA, CCZA) is dropped from May 2011 | 87 |
| F20 | - | Fuse 20 on fuse holder B -SB20- | 15 A | - | Fuel pressure regulating valve -N276- (BZB, CAWB, CDAA, CCZA) applicable from May 2011 | 87 |
| F21 | - | Fuse 21 on fuse holder B -SB21- | 10 A | - | Lambda probe heater -Z19- (BLS, BZB, CAWB, CBAB, CBAA, CAYC, CFFA, CFFB) | 87 |
| F21 | - | Fuse 21 on fuse holder B -SB21- | 20 A | - | Vacuum pump relay -J57- (CAXC) Vacuum pump for brakes -V192- (CAXC) | 87 |
| F21 | - | Fuse 21 on fuse holder B -SB21- | 10 A | - | Lambda probe heater -Z19- (BSE, CDAA, CCZA) Lambda probe 1 heater after catalytic converter -Z29- (BSE, CDAA, CCZA) is dropped from May 2009 | 87 |
| F21 | - | Fuse 21 on fuse holder B -SB21- | 15 A | - | Lambda probe heater -Z19- (BSE, CDAA, CCZA) Lambda probe 1 heater after catalytic converter -Z29- (BSE, CDAA, CCZA) applicable from May 2009 | 87 |
| F22 | - | Fuse 22 on fuse holder B -SB22- | 5 A | - | Clutch position sender -G476- | 87 |
| F22 | - | Fuse 22 on fuse holder B -SB22- | 5 A | - | Brake light switch -F- Brake pedal switch -F63- applicable from May 2009 | 87 |
| F23 | - | Fuse 23 on fuse holder B -SB23- | 5 A | - | Continued coolant circulation relay -J151- (BZB, CAWB, CDAA, CCZA) Secondary air pump relay -J299- (BSE) Continued coolant circulation pump -V51- (BZB, CAWB, CDAA, CCZA) | 87 |
| 10 A | Charge pressure control solenoid valve -N75- (BLS, CBAB, CBAA, CAYC, CFFA, CFFB) Exhaust gas recirculation cooler change-over valve -N345- (BLS, CBAB, CBAA, CAYC, CFFA, CFFB) Air mass meter -G70- (CFFA, CFFB) | |||||
| F23 | Fuse 23 on fuse holder B -SB23- | 15 A | Fuel pressure regulating valve -N276- (CBZB, CAXC) | |||
| F24 | - | Fuse 24 on fuse holder B -SB24- | 10 A | - | Radiator fan control unit -J293- Additional coolant pump relay -J496- (CAXC) Engine component current supply relay -J757- (BZB, CAWB, CDAA, CCZA) Charge pressure control solenoid valve -N75- (CAWB, BZB, CDAA, CCZA, CAXC) Activated charcoal filter system solenoid valve 1 -N80- (CAWB, BZB, BSE, CDAA, CCZA, CBZB, CAXC) Variable intake manifold change-over valve -N156- (BSE) Inlet camshaft control valve 1 -N205- (CAWB, BZB, CDAA, CCZA, CAXC) Turbocharger air recirculation valve -N249- (CAWB, BZB, CDAA, CCZA, CAXC) Intake manifold flap valve -N316- (CAWB, BZB, CDAA, CCZA, CBZB) Oil pressure control valve -N428- (CDAA, CCZA) Pump for exhaust gas recirculation cooler -V400- (CBAB, CBAA, CAYC, CFFA, CFFB) | 87 |
| F25 | - | Fuse 25 on fuse holder B -SB25- | 30 A | - | ABS control unit -J104- (MK70 ABS Pumpe) is dropped from May 2008 | 30 |
| F25 | - | Fuse 25 on fuse holder B -SB25- | 40 A | - | ABS control unit -J104- (MK70 ABS pump and ABS valves) applicable from May 2008 | 30 |
| F25 | Fuse 25 on fuse holder B -SB25- | 40 A | ABS control unit -J104- (MK60 ESP pump) | 30 | ||
| F26 | - | Fuse 26 on fuse holder B -SB26- | 30 A | - | Onboard supply control unit -J519- Left side light supply, left main beam, left dipped beam, left turn signal, left fog light | 30 |
| F27 | - | Fuse 27 on fuse holder B -SB27- | 50 A | - | Automatic glow period control unit -J179- Glow plug 1 -Q10- Glow plug 2 -Q11- Glow plug 3 -Q12- Glow plug 4 -Q13- for models with engine codes BLS, CBAB, CBAA, CAYC, CFFA, CFFB only | 87 |
| F27 | - | Fuse 27 on fuse holder B -SB27- | 40 A | - | Secondary air pump motor -V101- (BSE) | 87 |
| F28 | - | Fuse 28 on fuse holder B -SB28- | 40 A | - | Convertible roof actuation control unit -J256- (hydraulic pump) | 30 |
| F29 | - | Fuse 29 on fuse holder B -SB29- | 50 A | - | B300 Positive connection 4 (30), in main wiring harness Supply for the fuses: -SC32- up to -SC37-, -SC39-, -SC44-, -SC45-, -SC48-, -S131- | 30 |
| F30 | - | Fuse 30 on fuse holder B -SB30- | 50 A | - | Terminal 15 voltage supply relay 2 -J681- Supply for the fuses: -SC1- up to -SC6-, -SC29- up to -SC31-, -SC40- up to -SC42-, -SC46-, -SC47-, -SC49- | 30 |
AUDI A3 CABRIOLET 2010 Location fuse holder C SC , under left dash panel
| Location fuse holder C -SC-, under left dash panel |
| Fuse colours |
| 50 A - red |
| 40 A - orange |
| 30 A - light-green |
| 25 A - natural (white) |
| 20 A - yellow |
| 15 A - light blue |
| 10 A - red |
| 7.5 A - brown |
| 5 A - light-brown |
| 3 A - purple |
AUDI A3 CABRIOLET 2010 Position of fuses, fuse holder
| Position of fuses, fuse holder |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 1 | - | Fuse 1 on fuse holder C -SC1- | 10 A | - | Lighting switch -E1- Headlight range control regulator -E102- Air mass meter -G70- (BLS, BZB, CAWB, CDAA, CCZA, CAYC) Trailer detector control unit -J345- Headlight range control unit -J431- Heater element for crankcase breather -N79- (BLS, CBAB, CBAA, BSE, CAYC, CFFA, CFFB) 16-pin connector -T16- (diagnostic connector) Left headlight range control motor -V48- Right headlight range control motor -V49- | 15 |
| 1 | - | Fuse 1 on fuse holder C -SC1- | 10 A | - | Air mass meter -G70- (CBAB, CBAA) | 15 |
| 1 | - | Fuse 1 on fuse holder C -SC1- | 10 A | - | Stop/start system button -E693- only models with stop/start system no longer fitted, phased from model year 2010 | 15 |
| 2 | - | Fuse 2 on fuse holder C -SC2- | 10 A | - | Engine control units -J...- Tiptronic switch -F189- Fuel pump relay -J17- (BSE) ABS control unit -J104- Current supply relay for Simos control unit -J363- (BSE) Power steering control unit -J500- Data bus diagnostic interface -J533- Fuel pump control unit -J538- (BZB, CAWB, CDAA, CCZA, CBZB, CAXC) Selector lever sensors control unit -J587- Mechatronic unit for dual clutch gearbox -J743- | 15 |
| 2 | - | Fuse 2 on fuse holder C -SC2- | 10 A | - | Brake light switch -F- Brake pedal switch -F63- is dropped from May 2009 | 15 |
| 2 | - | Fuse 2 on fuse holder C -SC2- | 10 A | - | Starter relay 1 -J906- Starter relay 2 -J907- Automatic anti-dazzle interior mirror relay -J910- applicable from May 2009 | 15 |
| 3 | - | Fuse 3 on fuse holder C -SC3- | 5 A | - | Airbag control unit -J234- Front passenger side airbag deactivated warning lamp -K145- | 15 |
| 4 | - | Fuse 4 on fuse holder C -SC4- | 5 A | - | Heated rear left seat switch with regulator -E128- Heated rear right seat switch with regulator -E129- Tyre pressure monitor button -E226- TCS and ESP button -E256- Garage door operating unit -E284- Reversing light switch -F4- High-pressure sender -G65- Air quality sensor -G238- Oil level and oil temperature sender -G266- Heater control unit -J162- Climatronic control unit -J255- Air conditioning system control unit -J301- Navigation system with CD drive control unit -J401- Parking aid control unit -J446- Garage door operation control unit -J530- Driver seat heating control unit -J726- Front passenger seat heating control unit -J727- Left washer jet heater element -Z20- Right washer jet heater element -Z21- | 15 |
| 4 | - | Fuse 4 on fuse holder C -SC4- | 5 A | - | Automatic anti-dazzle interior mirror -Y7- only models without stop/start system applicable from May 2009 | 15 |
| 4 | - | Fuse 4 on fuse holder C -SC4- | 5 A | - | Voltage stabiliser -J532- only models with stop/start system applicable from May 2009 | 15 |
| 4 | - | Fuse 4 on fuse holder C -SC4- | 5 A | - | Stop/start system button -E693- only models with stop/start system Gradual introduction during model year 2010 | 15 |
| 5 | - | Fuse 5 on fuse holder C -SC5- | 5 A | - | Power output module for left headlight -J667- | 15 |
| 6 | - | Fuse 6 on fuse holder C -SC6- | 5 A | - | Power output module for right headlight -J668- | 15 |
| 7 | - | Not assigned | - | - | - | |
| 8 | - | Fuse 8 on fuse holder C -SC8- | 5 A | - | Control unit in dash panel insert -J285- applicable from May 2009 | 30 |
| 9 | - | Fuse 9 on fuse holder C -SC9- | 15 A | - | Navigation operating electronics control unit -J402- (RNS-E) Control unit with display for radio and navigation system -J503- (RNS low) Radio -R- 8-pin connector -T8- (preparation for radio supply) applicable from May 2009 | 30 |
| 10 | - | Fuse 10 on fuse holder C -SC10- | 7.5 A | - | Telephone transmitter and receiver unit -R36- Connection for external audio sources -R199- 18-pin connector -T18a- (VDA interface) applicable from May 2009 | 30 |
| 11 | - | Fuse 11 on fuse holder C -SC11- | 10 A | - | Automatic anti-dazzle interior mirror relay -J910- Automatic anti-dazzle interior mirror -Y7- only models with stop/start system applicable from May 2009 | 30 |
| 12 | - | Fuse 12 on fuse holder C -SC12- | 10 A | - | Driver door control unit -J386- Front passenger door control unit -J387- | 30 |
| 13 | - | Fuse 13 on fuse holder C -SC13- | 10 A | - | Convenience system central control unit -J393- is dropped from May 2009 | 30 |
| 14 | - | Fuse 14 on fuse holder C -SC14- | 10 A | - | ABS control unit -J104- (MK60 with hydraulic brake servo) Selector lever sensors control unit -J587- | 30 |
| 15 | - | Fuse 15 on fuse holder C -SC15- | 10 A | - | Front interior light -W1- | 30 |
| 16 | - | Fuse 16 on fuse holder C -SC16- | 10 A | - | Rain and light sensor -G397- Heater control unit -J162- Climatronic control unit -J255- Air conditioning system control unit -J301- Remote control receiver for auxiliary heater -R64- 16-pin connector -T16- (diagnostic connector) | 30 |
| 16 | - | Fuse 16 on fuse holder C -SC16- | 10 A | - | Lighting switch -E1- applicable from May 2009 | 30 |
| 17 | - | Fuse 17 on fuse holder C -SC17- | 5 A | - | Interior monitoring sensor -G273- Alarm horn -H12- | 30 |
| 18 | - | Fuse 18 on fuse holder C -SC18- | 5 A | - | Onboard supply control unit -J519- (diagnostic cable) Voltage stabiliser -J532- (diagnosis wiring) Engine control unit -J623- (diagnostic cable) only models with stop/start system applicable from May 2009 | 50 |
| 19 | - | Not assigned | - | - | - | |
| 20 | - | Not assigned | - | - | - | |
| 21 | - | Not assigned | - | - | - | |
| 22 | - | Fuse 22 on fuse holder C -SC22- | 40 A | - | Fresh air blower control unit -J126- Fresh air blower -V2- | 30 |
| 23 | - | Fuse 23 on fuse holder C -SC23- | 30 A | - | Driver side window regulator motor -V147- | 30 |
| 24 | - | Fuse 24 on fuse holder C -SC24- | 20 A | - | Cigarette lighter -U1- | 30 |
| 25 | - | Fuse 25 on fuse holder C -SC25- | 30 A | - | Heated rear window -Z1- | 30 |
| 26 | - | Fuse 26 on fuse holder C -SC26- | 20 A | - | Socket -U- (in luggage compartment) | 30 |
| 27 | - | Fuse 27 on fuse holder C -SC27- | 15 A | - | Fuel system pressurisation pump -G6- Fuel pump relay -J17- (BLS, CBAB, CBAA, BSE, CAYC, CFFA, CFFB) Electric fuel pump 2 relay -J49- (BSE) Fuel pump control unit -J538- (BZB, CAWB, CDAA, CCZA, CBZB, CAXC) | 30 |
| 27 | - | Fuse 27 on fuse holder C -SC27- | 15 A | - | Electric fuel pump 2 relay -J49- (BLS, CBAB, CBAA, CAYC, CFFA, CFFB) for models with auxiliary heating only | 30 |
| 27 | - | Fuse 27 on fuse holder C -SC27- | 15 A | - | Relay for supplementary fuel pump -J832- (CBAB, CBAA, CFFA, CFFB) Supplementary fuel pump -V393- (CBAB, CBAA, CFFA, CFFB) | 30 |
| 28 | - | Fuse 28 on fuse holder C -SC28- | 30 A | - | Rear left window regulator motor -V26- Rear right window regulator motor -V27-) | 30 |
| 29 | - | Not assigned | - | - | - | |
| 30 | - | Not assigned | - | - | - | |
| 31 | - | Fuse 31 on fuse holder C -SC31- | 20 | - | Vacuum pump relay -J57- (BSE) Vacuum pump for brakes -V192- (BSE) | 15 |
| 32 | - | Fuse 32 on fuse holder C -SC32- | 30 A | - | Headlight washer system pump -V11- | 30 |
| 33 | - | Fuse 33 on fuse holder C -SC33- | 25 A | - | Convertible roof actuation control unit -J256- | 30 |
| 34 | - | Fuse 34 on fuse holder C -SC34- | 20 A | - | Heated rear left seat control unit -J215- Heated rear right seat control unit -J216- | 30 |
| 35 | - | Not assigned | - | - | ||
| 36 | - | Fuse 36 on fuse holder C -SC36- | 10 A | - | Driver seat lumbar support adjustment switch -E176- Front passenger seat lumbar support adjustment switch -E177- | 30 |
| 37 | - | Fuse 37 on fuse holder C -SC37- | 20 A | - | Climatronic control unit -J255- (front seat heating) Driver seat heating control unit -J726- Front passenger seat heating control unit -J727- | 30 |
| 38 | - | Fuse 38 on fuse holder C -SC38- | 30 A | - | Front passenger side window regulator motor -V148- | 30 |
| 39 | - | Fuse 39 on fuse holder C -SC39- | 5 A | - | Interface control unit for vehicle location system -J843- (interface for special functions) | 30 |
| 40 | - | Fuse 40 on fuse holder C -SC40- | 40 A | - | Starter -B- | 15 |
| 41 | - | Not assigned | - | - | - | |
| 42 | - | Fuse 41 on fuse holder C -SC42- | 15 A | - | Washer pump -V5- is dropped from May 2009 | 15 |
| 43 | - | Fuse 43 on fuse holder C -SC43- | 20 A | - | Convenience system central control unit -J393- is dropped from May 2009 | 30 |
| 43 | - | Fuse 43 on fuse holder C -SC43- | 20 A | - | Onboard supply control unit -J519- applicable from May 2009 | 30 |
| 44 | - | Fuse 44 on fuse holder C -SC44- | 20 A | - | Trailer detector control unit -J345- | 30 |
| 45 | - | Fuse 45 on fuse holder C -SC45- | 20 A | - | Trailer detector control unit -J345- | 30 |
| 46 | - | Fuse 46 on fuse holder C -SC46- | 10 A | - | Trailer socket -U10- | 15 |
| 47 | - | Fuse 47 on fuse holder C -SC47- | 5 A | - | 18-pin connector -T18a- (VDA interface) | 15 |
| 47 | - | Fuse 47 on fuse holder C -SC47- | 5 A | - | Aerial amplifier for mobile telephone -R86- applicable from May 2009 | 15 |
| 48 | - | Not assigned | - | - | - | |
| 49 | Not assigned | - | - | - |
AUDI A3 CABRIOLET 2010
AUDI A3 CABRIOLET 2010 Overview of earth points in front part of vehicle
| Overview of earth points in front part of vehicle |
| 4 - | Earth point (audio), under centre console, front -610- |
| q | Location |
| 12 | Earth point, on left in engine compartment, near the battery -arrow- |
|
| 655 | Earth point, on left headlight, on longitudinal member -arrow C- |
| Torque: 10 Nm |
| 43 | Earth point, lower part of right A-pillar -arrow A- |
| Torque: 10 Nm |
| 638 | Earth point, right A-pillar -arrow B- |
|
| 610 | Earth point (audio), under centre console, front -arrow A- |
| Torque: 10 Nm |
| 729 | Earth point, on rear left wheel housing -arrow- |
|
| 731 | Earth point 2, on rear right wheel housing -arrow A- |
| Torque: 10 Nm |