2015 Audi A3 Service & Repair Manual

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability with respect to the correctness of information in this document. Copyright by AUDI AG. Comfort system, LHD , (L0L) from March 2012 Audi A3 Wiring Diagram No. 2 / 1 11.2015

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability with respect to the correctness of information in this document. Copyright by AUDI AG. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 8V1-002021115 J519 SC SC29 SB20 SA1 SC42 SC6 SC8 SC25 SA4 SC39 B320 B321 S131 S132 16.0 rt * A1 J1A 0.5 rt/sw T73c /12 29a 2.5 rt/vi 190 *2 25a 2.5 rt/gn 223 *2 39a 0.5 gn 21 *3 T73c /9 0.5 sw/ge 91 20a 0.5 vi/ws 38 29 4.0 rt/vi 16 42a 0.35 gn/rt 88 *4 6a 0.75 gr/vi 56 8a 10.0 sw 10.0 sw 10 4 * * K2A A2 2.5 rt/vi *5 25a 2.5 rt/vi 189 *5 2.5 rt/vi 107 *5 2.5 rt/gn *5 39a 2.5 rt/gn 222 *5 2.5 rt/gn 121 *5 16.0 rt 16.0 rt 7 2 *6 *6 A1 A1 10.0 sw 10.0 sw 9 8 *6 *6 B1 A2 1B 190 223 21 91 38 16 88 56 10 4 189 107 222 121 7 2 9 8 ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = lilac vi = lilac ge = yellow or = orange rs = pink Fuse panel C J519 Vehicle electrical control module system SA1 Fuse 1 (on fuse panel A) SA4 Fuse 4 (on fuse panel A) SC Fuse panel C SC6 Fuse 6 (on fuse panel C) SC8 Fuse 8 (on fuse panel C) SB20 Fuse 20 (on fuse panel B) SC25 Fuse 25 (on fuse panel C) SC29 Fuse 29 (on fuse panel C) SC39 Fuse 39 (on fuse panel C) SC42 Fuse 42 (on fuse panel C) S131 Safety fuse 1 S132 Safety fuse 2 T73c 73-pin connector B320 Positive connection 6 (30a) (in main wiring harness) B321 Positive connection 7 (30a) (in main wiring harness) * Not for RS3 *2 Only for vehicles with 3-door equipment *3 Only for vehicles without automatic headlamp range control *4 through April 2015 *5 Only for vehicles with 5-door equipment *6 Only for RS3 Audi A3 Wiring Diagram No. 2 / 2 11.2015

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability with respect to the correctness of information in this document. Copyright by AUDI AG. 15 16 17 18 19 20 21 22 23 24 25 26 27 28 8V1-002031115 J519 L229 L231 L230 G304 * B732 375 57 98 396 397 0.35 gn T2ma /2 0.35 gn T2mb /2 0.35 gn T2mc /2 0.35 br 76 T2ma /1 0.35 br T2mb /1 0.35 br 78 T2mc /1 0.5 gn 13 *2 1.0 br 72 4.0 rt/vi 3 T73a /73 0.5 gn *3 T10a /9 0.5 gn *3 T46b /39 T10a /9 0.5 br/gn *4 T73a /51 T2m /1 0.5 br/gn *4 T2m /1 T2mm /2 0.5 br *4 T2mm /1 1.0 br *4 1.0 br *5 *6 1.0 br *5 *7 0.5 br *5 *6 T2mm /1 0.5 br *5 *7 T2mm /1 0.5 br/gn *5 T73a /51 T2mm /2 76 78 13 72 3 ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = lilac vi = lilac ge = yellow or = orange rs = pink Rear window breakage sensor, Left instrument panel ambient lighting lamp, Right instrument panel ambient lighting lamp, Center instrument panel ambient lighting lamp G304 Rear window breakage sensor J519 Vehicle electrical control module system L229 Left instrument panel ambient lighting lamp L230 Right instrument panel ambient lighting lamp L231 Center instrument panel ambient lighting lamp T2m 2-pin connector T2ma 2-pin connector T2mb 2-pin connector T2mc 2-pin connector T2mm 2-pin connector T10a 10-pin connector, white T46b 46-pin connector T73a 73-pin connector 57 Ground connection on left rear pillar 98 Ground connection (in rear lid wiring harness) 375 Ground connection 10 (in main wiring harness) 396 Ground connection 31 (in main wiring harness) 397 Ground connection 32 (in main wiring harness) B732 Connection 58s (in main wiring harness) 2 * For vehicles with anti-theft alarm system *2 Only for vehicles without automatic headlamp range control *3 Only for vehicles with automatic headlamp range control *4 Through October 2014 *5 from November 2014 *6 Only for vehicles with 3-door equipment *7 Only for vehicles with 5-door equipment Audi A3 Wiring Diagram No. 2 / 3 11.2015

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability with respect to the correctness of information in this document. Copyright by AUDI AG. 29 30 31 32 33 34 35 36 37 38 39 40 41 42 8V1-002041115 J519 W14 * F148 * B73 L232 368 687 B46 W35 *2 B465 *3 F123 0.35 rt/gr T2mg /2 T2me /2 0.35 gr/ws T73c /62 0.35 gr/ws *4 T2md /2 0.35 br T2md /1 1.5 br 0.35 vi/ws T2me /1 0.35 br 79 T2mg /1 0.35 gr/ws *5 T2md /2 T73c /3 0.5 vi/ws 12 0.35 vi/ws T2kd /2 0.5 ws T73a /52 0.35 ws T17f /14 0.35 ws T2kd /1 0.35 ws T17f /14 T4cf /1 0.35 gr/ws *6 T10a /10 T2md /2 0.35 gr/ws T46b /2 T10a /1 0.35 gr/ws 112 0.35 gr/ws 126 79 12 112 126 ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = lilac vi = lilac ge = yellow or = orange rs = pink Front passenger vanity mirror lamp contact switch, Cupholder ambient lighting lamp, Right luggage compartment lamp F123 Rear lid alarm switch F148 Front passenger vanity mirror lamp contact switch J519 Vehicle electrical control module system L232 Cupholder ambient lighting lamp T2kd 2-pin connector T2md 2-pin connector T2me 2-pin connector T2mg 2-pin connector T4cf 4-pin connector T10a 10-pin connector, white T17f 17-pin connector, black T46b 46-pin connector T73a 73-pin connector T73c 73-pin connector W14 Front passenger vanity mirror lamp W35 Right luggage compartment lamp 368 Ground connection 3 (in main wiring harness) 687 Ground connection 1 on center tunnel B465 Connection 1 (in main wiring harness) B467 Connection 3 (in main wiring harness) B731 Connection 58s (in main wiring harness) 1 * Only for vehicles with illuminated vanity mirror *2 Depending on equipment *3 Through October 2014 *4 Only for vehicles with auxiliary lamps *5 Only for vehicles with Halogen headlamps *6 Only for vehicles with Xenon headlamps Audi A3 Wiring Diagram No. 2 / 4 11.2015

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability with respect to the correctness of information in this document. Copyright by AUDI AG. 43 44 45 46 47 48 49 50 51 52 53 54 55 56 8V1-002051115 J519 W20 * F147 * WX3 *2 E 0 TK W43 *2 B731 B731 B73 B316 B467 B467 B46 367 W13 W19 W11 W12 Y7 W1 0.35 vi/ws T2mf /1 0.5 br T2mh /1 0.35 br T6d /3 0.35 vi/ws T6d /5 0.35 gr/ws T6d /6 0.75 gr/vi T6d /1 0.35 gn 66 T6d /2 0.35 ws/gn T6ax /1 T12z /1 0.35 gr/gn T6ax /2 T12z /2 0.35 br T6ax /3 T12z /3 0.35 ws/vi T6ax /4 T12z /4 0.35 gr/vi T6ax /5 T12z /5 0.5 rt/bl T6ax /6 T12z /12 0.35 bl/rt T8a /6 T6d /4 0.35 rt/gr T2mf /2 T2mh /2 0.75 gr/vi 5 0.35 gn/rt 87 *3 66 5 87 ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = lilac vi = lilac ge = yellow or = orange rs = pink Front roof module, Rear interior lamp F147 Driver vanity mirror lamp contact switch J519 Vehicle electrical control module system T2mf 2-pin connector T2mh 2-pin connector T6ax 6-pin connector T6d 6-pin connector T8a 8-pin connector T12z 12-pin connector W1 Front interior lamp WX3 Front roof module W11 Left rear reading lamp W12 Right rear reading lamp W13 Front passenger reading lamp W19 Driver reading lamp W20 Driver vanity mirror lamp W43 Rear interior lamp Y7 Automatic dimming interior rearview mirror 367 Ground connection 2 (in main wiring harness) B316 Positive connection 2 (30a) (in main wiring harness) B467 Connection 3 (in main wiring harness) B731 Connection 58s (in main wiring harness) 1 * Only for vehicles with illuminated vanity mirror *2 Depending on equipment *3 from May 2015 Audi A3 Wiring Diagram No. 2 / 5 11.2015

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability with respect to the correctness of information in this document. Copyright by AUDI AG. 57 58 59 60 61 62 63 64 65 66 67 68 69 70 8V1-002061115 J519 B731 B467 367 367 367 WX3 * E 0 TK W19 W1 W43 * W11 W12 Y7 W13 0.35 or/gn 197 T73a /16 0.35 or/br 198 T73a /17 0.35 gn 53 T73c /67 0.35 bl/rt T8a /6 T6 /3 0.5 br T4b /4 T4a /4 0.5 rt T4b /2 T4a /2 0.5 bl/gn T4a /3 T4b /1 0.35 br T6 /1 0.35 vi/ws T6 /4 0.35 gr/ws T6 /5 0.35 gn T73c /67 T6 /2 197 198 53 ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = lilac vi = lilac ge = yellow or = orange rs = pink Front roof module, Rear interior lamp J519 Vehicle electrical control module system T4a 4-pin connector T4b 4-pin connector T6 6-pin connector T8a 8-pin connector T73a 73-pin connector T73c 73-pin connector W1 Front interior lamp WX3 Front roof module W11 Left rear reading lamp W12 Right rear reading lamp W13 Front passenger reading lamp W19 Driver reading lamp W43 Rear interior lamp Y7 Automatic dimming interior rearview mirror 367 Ground connection 2 (in main wiring harness) B467 Connection 3 (in main wiring harness) B731 Connection 58s (in main wiring harness) 1 * Depending on equipment Audi A3 Wiring Diagram No. 2 / 6 11.2015

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability with respect to the correctness of information in this document. Copyright by AUDI AG. 71 72 73 74 75 76 77 78 79 80 81 82 83 84 8V1-002071115 J519 367 367 W9 W10 372 639 369 W45 W46 B472 366 751 0.35 br 21 0.35 br 25 1.0 br 0.5 gr/ge T73c /72 0.5 gr/ge T10d /2 0.5 br 194 T10d /3 0.5 br T4dr /1 0.5 br T4dq /1 0.35 gr/ge T4dq /2 0.5 gr/ge T4dr /2 0.5 br 214 T10e /3 0.5 gr/ge T10e /2 0.5 rt/gn T10d /2 T2mk /2 0.5 rt/gn T10e /2 T2ml /2 0.5 br/gn T2mk /1 T10d /3 0.5 br/gn T2ml /1 T10e /3 2.5 br 4.0 br 2.5 br 0.35 br 40 1.0 br 23 2.5 br T73a /12 2.5 br T73a /63 2.5 br T73c /63 2.5 br 196 * 21 25 194 214 40 23 196 ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = lilac vi = lilac ge = yellow or = orange rs = pink Left footwell lamp, Right footwell lamp, Left rear footwell lamp, Right rear footwell lamp J519 Vehicle electrical control module system T2mk 2-pin connector T2ml 2-pin connector T4dq 4-pin connector T4dr 4-pin connector T10d 10-pin connector, in the coupling point for the left front seat, red T10e 10-pin connector, in the coupling point for the right front seat, red T73a 73-pin connector T73c 73-pin connector W9 Left footwell lamp W10 Right footwell lamp W45 Left rear footwell lamp W46 Right rear footwell lamp 366 Ground connection 1 (in main wiring harness) 367 Ground connection 2 (in main wiring harness) 369 Ground connection 4 (in main wiring harness) 372 Ground connection 7 (in main wiring harness) 639 Ground connection on left A-pillar 751 Ground connection 2 on right A-pillar B472 Connection 8 (in main wiring harness) * Depending on equipment Audi A3 Wiring Diagram No. 2 / 7 11.2015

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability with respect to the correctness of information in this document. Copyright by AUDI AG. 85 86 87 88 89 90 91 92 93 94 95 96 97 98 8V1-002081115 J519 G578 * H12 * B699 367 85 671 131 F266 D101 F329 G384 * 419 671 0.35 br T4cp /2 0.35 vi T73a /15 0.35 vi/ws T3bt /1 T46b /31 0.5 br T3bt /2 1.5 br 0.35 vi T4cp /3 2.5 br *2 0.5 sw/ge 5 T3bt /3 0.35 gn/rt 4 *3 T4cp /4 0.35 gn/ge T2jt /1 0.35 gn/ge T46b /14 0.35 gn/ge T2jy /1 6.0 br *4 2.5 br *4 0.35 gn/rt 55 *5 T4cp /4 5 4 55 ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = lilac vi = lilac ge = yellow or = orange rs = pink Engine hood contact switch, Hood contact switch 2, Vehicle inclination sensor, Anti-theft alarm system sensor, Alarm horn F266 Engine hood contact switch F329 Hood contact switch 2 G384 Vehicle inclination sensor G578 Anti-theft alarm system sensor H12 Alarm horn J519 Vehicle electrical control module system T2jt 2-pin connector T2jy 2-pin connector T3bt 3-pin connector T4cp 4-pin connector T46b 46-pin connector T73a 73-pin connector 85 Ground connection 1 (in engine compartment wiring harness) 131 Ground connection 2 (in engine compartment wiring harness) 367 Ground connection 2 (in main wiring harness) 419 Ground connection 11 (in engine compartment wiring harness) 671 Ground connection 1 on left front longitudinal member B699 LIN bus connection 4 (in main wiring harness) D101 Connection 1 (in engine compartment wiring harness) * For vehicles with anti-theft alarm system *2 Omitted as a running change *3 through April 2015 *4 Running change *5 from May 2015 Audi A3 Wiring Diagram No. 2 / 8 11.2015

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability with respect to the correctness of information in this document. Copyright by AUDI AG. 99 100 101 102 103 104 105 106 107 108 109 110 111 112 8V1-002091115 J519 F435 * M M F505 F509 V539 V537 J1016 * M E711 * 207 0.35 ws T27b /12 T6bq /1 0.35 vi/gn T27b /13 T6bq /2 0.35 ge T27b /14 T6bq /3 0.35 bl/ws T27b /15 T6bq /4 0.5 br T6bq /5 0.35 br/ge T27b /16 T6bq /6 2.5 br T10ah /3 2.5 br T27b /23 2.5 rt/ge T27b /19 T10ah /2 0.35 rt/ws T10ah /6 T4cq /3 0.35 br T10ah /4 T4cq /2 0.35 gr/bl T4cq /1 T27b /11 0.35 vi/gr T27b /6 T10ah /7 0.35 vi/gr 188 T27b /6 2.5 br 193 T27b /23 2.5 rt/vi 11 * T27b /19 0.35 gr/ws 32 T27b /1 0.35 sw/ws T27b /12 T73a /36 0.35 br T27b /13 T73a /68 0.35 bl T27b /14 T73a /69 0.35 or/ws T27b /15 T73a /35 0.35 gr/ge T27b /16 T73a /50 188 193 11 32 ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = lilac vi = lilac ge = yellow or = orange rs = pink Driver side rear central locking lock unit, Driver side rear door contact switch, Driver side rear central locking system actuator, Driver side rear door central locking -SAFE- motor, Driver side rear central locking system motor E711 Driver side rear power window button F435 Driver side rear central locking lock unit F505 Driver side rear door contact switch F509 Driver side rear central locking system actuator J519 Vehicle electrical control module system J1016 Driver side rear window regulator motor control module T4cq 4-pin connector T6bq 6-pin connector T10ah 10-pin connector T27b 27-pin connector, on the left B-pillar, black T73a 73-pin connector V537 Driver side rear door central locking -SAFE- motor V539 Driver side rear central locking system motor 207 Ground connection (in left rear door wiring harness) * Only for vehicles with 5-door equipment Audi A3 Wiring Diagram No. 2 / 9 11.2015

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability with respect to the correctness of information in this document. Copyright by AUDI AG. 113 114 115 116 117 118 119 120 121 122 123 124 125 126 8V1-002101115 J519 F436 * M M F506 F510 V540 V538 J1017 * M E713 * 208 0.35 gr/bl T4cr /1 T27c /11 0.35 rt/ws T10ai /6 T4cr /3 0.35 br T10ai /4 T4cr /2 0.35 ws T27c /12 T6bt /1 0.35 vi/gn T27c /13 T6bt /2 0.35 ge T27c /14 T6bt /3 0.35 bl/ws T27c /15 T6bt /4 0.5 br T6bt /5 0.35 br/ge T27c /16 T6bt /6 2.5 br T10ai /3 2.5 br T27c /23 2.5 rt/ge T27c /19 T10ai /2 0.35 vi/gr T27c /6 T10ai /7 0.35 gr/ws 33 T27c /11 0.35 vi/ws T27c /12 T73a /37 0.35 br T27c /13 T73a /6 0.35 ge T73a /7 T27c /14 0.35 gn/ws T27c /15 T73a /33 0.35 br/ge T27c /16 T73a /48 2.5 br 213 T27c /23 2.5 rt/gn 7 * T27c /19 0.35 vi/ge 221 T27c /6 33 213 7 221 ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = lilac vi = lilac ge = yellow or = orange rs = pink Passenger side rear central locking lock unit, Passenger side rear door contact switch, Passenger side rear central locking system actuator, Passenger side rear door central locking -SAFE- motor, Passenger side rear central locking system motor E713 Passenger side rear power window button F436 Passenger side rear central locking lock unit F506 Passenger side rear door contact switch F510 Passenger side rear central locking system actuator J519 Vehicle electrical control module system J1017 Front passenger side rear window regulator motor control module T4cr 4-pin connector T6bt 6-pin connector T10ai 10-pin connector T27c 27-pin connector, on the right B-pillar, black T73a 73-pin connector V538 Passenger side rear door central locking -SAFE- motor V540 Passenger side rear central locking system motor 208 Ground connection (in right rear door wiring harness) * Only for vehicles with 5-door equipment Audi A3 Wiring Diagram No. 2 / 10 11.2015

2015 Audi A3 Service & Repair Manual

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