AUDI A4 2001 – Heated front and rear seats with and without heated steering wheel . Wiring diagrams, Pin Connector, Location
Wiring Diagram AUDI A4 2001 - Fuses
| D | Ignition/starter switch |
| S5 | Fuse in fuse box/relay plate |
| S244 | Fuse in fuse box |
| 501 | Screw connection -2- (30), on relay plate |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A32 | Positive (+) connection (30), in dash panel wiring harness |
| A52 | Positive (+) connection -2- (30), in dash panel wiring harness |
| A74 | Connection (15a, fuse 5), in dash panel wiring harness |
| O1 | Positive (+) connection (30), in heated seats wiring harness |
Wiring Diagram AUDI A4 2001 - Heated driver's seat
| E87 | Control and display unit for air conditioner/Climatronic |
| F138 | Airbag coil connector, return spring with slip ring |
| G59 | Driver's seat temperature sensor |
| J527 | Steering column electronics control unit |
| T2g | 2-pin connector, on driver's seat for heated backrest |
| T6d | 6-pin connector, green, connector point, seat wiring, driver's seat |
| T8f | 8-pin connector, on driver's seat for heated seat cushion |
| T16a | 16-pin connector, black, on steering column electronics control unit |
| Z6 | Heated driver's seat cushion |
| Z7 | Heated driver's seat backrest |
| Z31 | Driver's seat cushion lateral support heater |
| Z36 | Heated steering wheel |
| 81 | Earth connection -1-, in dash panel wiring harness |
| 96 | Earth connection -1-, in seat heating wiring harness |
| 244 | Earth connection (sender earth), in Climatronic wiring harness |
| A146 | Connection (convenience CAN bus, high), in dash panel wiring harness |
| A147 | Connection (convenience CAN bus, low), in dash panel wiring harness |
| * | Both possible |
| ** | Only applies to models with heated steering wheel |
Wiring Diagram AUDI A4 2001 - Heated front passenger's seat
| E87 | Control and display unit for air conditioner/Climatronic |
| G60 | Front passenger's seat temperature sensor |
| G150 | Left vent temperature sender |
| G151 | Right vent temperature sender |
| T2h | 2-pin connector, on front passenger's seat for heated backrest |
| T6e | 6-pin connector, green, connector point, seat wiring, front passenger's seat |
| T8g | 8-pin connector, on front passenger's seat for heated seat cushion |
| Z8 | Heated front passenger's seat cushion |
| Z9 | Heated front passenger's seat backrest |
| Z33 | Front passenger's seat cushion lateral support heater |
| 136 | Earth connection -2-, in seat heating wiring harness |
| 244 | Earth connection (sender earth), in Climatronic wiring harness |
| 249 | Earth connection -2-, in interior wiring harness |
| * | Both possible |
Wiring Diagram AUDI A4 2001 - Heated rear seat - left
| E128 | Heated rear left seat switch with regulator |
| G94 | Rear left seat temperature sensor |
| G177 | Rear seat occupied sensor, driver's side |
| J215 | Heated rear left seat control unit |
| J285 | Control unit with display in dash panel insert |
| L44 | Seat heating switch light bulb |
| T2i | 2-pin connector, heated rear seat backrest, left |
| T6g | 6-pin connector, on rear left seat |
| T12f | 12-pin connector, black, under rear seat bench |
| T32a | 32-pin connector, green, on dash panel insert |
| Z10 | Heated rear seat, left |
| Z11 | Heated rear seat backrest, left |
| 249 | Earth connection -2-, in interior wiring harness |
| A175 | Connection (58s), in dash panel wiring harness |
Wiring Diagram AUDI A4 2001 - Heated rear seat - right
| E129 | Heated rear right seat switch with regulator |
| G95 | Rear right seat temperature sensor |
| G178 | Rear seat occupied sensor, front passenger's side |
| J216 | Heated rear right seat control unit |
| L44 | Seat heating switch light bulb |
| T2j | 2-pin connector, heated rear seat backrest, right |
| T6h | 6-pin connector, on rear right seat |
| T12f | 12-pin connector, black, under rear seat bench |
| Z12 | Heated rear seat, right |
| Z13 | Heated rear seat backrest, right |
| 249 | Earth connection -2-, in interior wiring harness |
AUDI A4 2001 Overview of fuses
Overview of fuses | | | | q | Components: -S126-, -S328- |
| Relay carrier (9-pin) with onboard supply control unit |
| q | Components: -S37-, -S45-, -S87-, -S100-, -S184-, -S280- |
| Relay carrier (4-pin) with screw connection |
| q | Components: -S42-, -S51-, -S123-, -S214- |
| q | Location up to July 2004 |
| q | Location from August 2004 |
| q | Components: -S1- up to -S22- and -S223- up to -S244- |
| q | Location up to July 2004 |
| q | Location from August 2004 |
| 7 - | Fuse holder for special vehicles |
| q | Components: -S55-, -S57-, -S182-, -S183-, -S184-, -S291-, -S292-, -S293-, S294-, -S295-, -S296-, -S297-, -S298- |
| q | Location for diesel engines, up to July 2004 |
| q | Location for engine codes BKE, BRB, BNA, BLB, BRC, BPW, BVG, BVF, BRF, BRE, BVA, BRD |
| q | Location for engine codes BSG, BPP, BTP, BKN, ASB |
| q | Location for engine codes BGB, BPG, BWE, BWT, BUL, BPJ, BYK |
| q | Location for engine code ALZ |
| q | Location for engine code ALT |
| q | Location for engine code BDG |
| q | Location for engine codes BFB, BBK, BHF |
| q | Location for engine code AWA |
| t | Location for engine codes AUK, BKH |
| t | Location for engine code BNS |
| t | Location for engine code BBJ, with manual gearbox or multitronic |
| t | Location for engine code BBJ with AG5 |
AUDI A4 2001 Position of fuses, coupling station of A-pillar
Position of fuses, coupling station of A-pillar | | | | bottom right, behind the trim | | E - | Seat adjustment fuse -S46- | | E - | Seat adjustment fuse -S46- (with lumbar support adjustment) | | | |
AUDI A4 2001 Position of fuses, relay carrier (3-pin)
Position of fuses, relay carrier (3-pin) | | | | A ¹) - | Auxiliary heater fuse -S62- | | B - | Auxiliary heater fuse -S126- | | C - | Auxiliary heater fuse 2 -S328- | | ¹) applicable up to model year 2003 | | | |
AUDI A4 2001 Position of fuses, relay carrier (9-pin) with onboard supply control unit
Position of fuses, relay carrier (9-pin) with onboard supply control unit | | | | Driver side dash panel, behind the relay carrier (3-pin) | | A - | Rear roller blind thermal fuse -S100- | | B - | Rear roller blind thermal fuse -S100- | | B - | Socket 1 fuse (driving school vehicle) -S184- | | D - | Window regulator single fuse 2 -S280- | | E - | Driver seat adjustment thermal fuse 2 -S45- | | F - | Window regulator single fuse -S37- | | G - | Trailer towing attachment thermal fuse -S87- | | | |
AUDI A4 2001 Position of fuses, relay carrier (4-pin) with screw connection, up to July 2004
Position of fuses, relay carrier (4-pin) with screw connection, up to July 2004 | | | | B - | Optional equipment: vermin repellent | | E - | Radiator fan run-on fuse -S214- | | G - | Radiator fan single fuse -S42- | | H - | ABS control unit fuse 1 -S123- | | | |
AUDI A4 2001 Position of fuses, relay carrier (4-pin) with screw connection, from August 2004
Position of fuses, relay carrier (4-pin) with screw connection, from August 2004 | | | | B - | Optional equipment: vermin repellent | | E - | S51 - Fuse (driving school vehicle) ¹) -S51- | | F - | Fuse (driving school vehicle) ³) -S51- | | - | Radiator fan single fuse ¹)²) -S42- | | G - | Radiator fan run-on fuse¹)²) -S214- | | - | Radiator fan single fuse ⁴) -S42- | | H - | ABS control unit fuse 1 -S123- | | ¹) for engine codes BBK, BHF, BNS only | | ²) for engine codes BKN, ASB, BPP, BSG, BTP only | | ³) not for engine codes BBK, BHF | | ⁴) not for engine codes BKN, ASB, BPP, BSG, BTP, BBK, BHF | | | |
AUDI A4 2001 Position of fuses, relay carrier (4-pin), petrol engines, up to July 2004
Position of fuses, relay carrier (4-pin), petrol engines, up to July 2004 | | | | In electronics box in plenum chamber | | A - | Engine electronics fuse -S282- | | B - | Secondary air pump fuse -S130- | | C - | Automatic gearbox fuse, run-on -S286- | | | |
AUDI A4 2001 Position of fuses, relay carrier (4-pin), diesel engines, up to July 2004
Position of fuses, relay carrier (4-pin), diesel engines, up to July 2004 | | | | In electronics box in plenum chamber | | A - | Engine control unit fuse -S102- | | - | Engine electronics fuse -S282- | | B - | Engine glow plug strip fuse -S39- | | C - | Automatic gearbox fuse, run-on -S286- | | - | Engine control unit fuse ²) -S102- | | D - | Glow plug fuse 2 -S189- | | F ¹) - | Glow plug fuse 2 -S189- | | ¹) applicable from model year 2002 | | ²) for models with engine code BKE only | Note: | The positions D and F are in the electronics box. | | | |
AUDI A4 2001 Position of fuses, relay carrier (4-pin), engine codes BKE, BRB, BNA, BLB, BRC, BPW, BVG, BVF, BRF, BRE, BVA, BRD, from August 2004
Position of fuses, relay carrier (4-pin), engine codes BKE, BRB, BNA, BLB, BRC, BPW, BVG, BVF, BRF, BRE, BVA, BRD, from August 2004 | | | | In electronics box in plenum chamber | | A - | Engine electronics fuse -S282- | | B - | Engine glow plug strip fuse -S39- | | C - | Engine control unit fuse -S102- | | D - | Automatic gearbox fuse, run-on -S286- | | E - | Engine electronics fuse 2 -S344- | | | |
AUDI A4 2001 Position of fuses, relay carrier (4-pin), engine codes BSG, BPP, BTP, BKN, ASB, from August 2004
Position of fuses, relay carrier (4-pin), engine codes BSG, BPP, BTP, BKN, ASB, from August 2004 | | | | In electronics box in plenum chamber | | A - | Engine electronics fuse -S282- | | B - | Engine glow plug strip fuse -S39- | | C - | Engine control unit fuse -S102- | | D - | Automatic gearbox fuse, run-on -S286- | | E - | Engine electronics fuse 2 -S344- | | G - | Engine electronics fuse 3 -S345- | | | |
AUDI A4 2001 Position of fuses, relay carrier (4-pin), engine codes BGB, BPG, BWE, BWT, BUL, BPJ, BYK, from August 2004
Position of fuses, relay carrier (4-pin), engine codes BGB, BPG, BWE, BWT, BUL, BPJ, BYK, from August 2004 | | | | In electronics box in plenum chamber | | A - | Engine electronics fuse -S282- | | B - | Engine electronics fuse 3 -S345- | | C - | Engine control unit fuse -S102- | | E - | Engine electronics fuse 2 -S344- | | G - | Automatic gearbox fuse, run-on -S286- | | | |
AUDI A4 2001 Position of fuses, relay carrier (4-pin), engine code ALZ, from August 2004
Position of fuses, relay carrier (4-pin), engine code ALZ, from August 2004 | | | | In electronics box in plenum chamber | | A - | Engine electronics fuse 2 -S344- | | B - | Secondary air pump fuse -S130- | | D - | Engine control unit fuse -S102- | | G - | Engine electronics fuse -S282- | | | |
AUDI A4 2001 Position of fuses, relay carrier (4-pin), engine code ALT, from August 2004
Position of fuses, relay carrier (4-pin), engine code ALT, from August 2004 | | | | In electronics box in plenum chamber | | A - | Engine electronics fuse 2 -S344- | | B - | Engine electronics fuse -S282- | | C - | Automatic gearbox fuse, run-on -S286- | | D - | Engine control unit fuse -S102- | | | |
AUDI A4 2001 Position of fuses, relay carrier (4-pin), engine code BDG, from August 2004
Position of fuses, relay carrier (4-pin), engine code BDG, from August 2004 | | | | In electronics box in plenum chamber | | A - | Engine electronics fuse -S282- | | B - | Engine glow plug strip fuse -S39- | | C - | Automatic gearbox fuse, run-on -S286- | | H¹) - | Glow plug fuse 2 -S189- | | ¹) on the relay carrier underside | | | |
AUDI A4 2001 Position of fuses, relay carrier (4-pin), engine codes BFB, BBK, BHF, from August 2004
Position of fuses, relay carrier (4-pin), engine codes BFB, BBK, BHF, from August 2004 | | | | In electronics box in plenum chamber | | A - | Engine electronics fuse 2 -S344- | | B - | Secondary air pump fuse -S130- | | C - | Automatic gearbox fuse, run-on -S286- | | D - | Engine control unit fuse -S102- | | G - | Engine electronics fuse -S282- | | H¹) - | Heater fuse ²) -S23- | | ¹) on the relay carrier underside | | | |
AUDI A4 2001 Position of fuses, relay carrier (4-pin), engine code AWA, from August 2004
Position of fuses, relay carrier (4-pin), engine code AWA, from August 2004 | | | | In electronics box in plenum chamber | | A - | Engine electronics fuse -S282- | | B - | Engine electronics fuse 2 -S344- | | C - | Automatic gearbox fuse, run-on -S286- | | H ¹) - | Engine electronics fuse 3 -S345- | | ¹) on the relay carrier underside | | | |
AUDI A4 2001 Position of fuses, relay carrier (4-pin), engine codes AUK, BKH, from August 2004
Position of fuses, relay carrier (4-pin), engine codes AUK, BKH, from August 2004 | | | | In electronics box in plenum chamber | | A - | Engine electronics fuse 2 -S344- | | B - | Engine electronics fuse -S282- | | C - | Engine control unit fuse -S102- | | E - | Lambda probe heating thermal fuse -S73- | | G - | Automatic gearbox fuse, run-on -S286- | | | |
AUDI A4 2001 Position of fuses, relay carrier (4-pin), engine code BNS, from August 2004
Position of fuses, relay carrier (4-pin), engine code BNS, from August 2004 | | | | In electronics box in plenum chamber | | A - | Engine electronics fuse 2 -S344- | | B - | Engine electronics fuse -S282- | | C - | Engine control unit fuse -S102- | | E - | Lambda probe heating thermal fuse -S73- | | ? - | Brake vacuum pump fuse -S283- | | H ¹) - | Secondary air pump fuse -S130- | | ¹) on the relay carrier underside | | | |
AUDI A4 2001 Position of fuses, relay carrier (4-pin), engine codes BBJ (with manual gearbox or multitronicВ®), from August 2004
Position of fuses, relay carrier (4-pin), engine codes BBJ (with manual gearbox or multitronic®), from August 2004 | | | | In electronics box in plenum chamber | | A - | Engine electronics fuse 2 ¹) -S344- | | B - | Secondary air pump fuse ¹) -S130- | | C - | Automatic gearbox fuse, run-on ¹) -S286- | | D - | Engine control unit fuse¹) -S102- | | E - | Injector fuse ¹) -S116- | | G - | Engine electronics fuse ¹) -S282- | | ¹) for models with manual gearbox or with automatic gearbox (multitronic®) only | | | |
AUDI A4 2001 Position of fuses, relay carrier (4-pin), engine codes BBJ (with AG5), from August 2004
Position of fuses, relay carrier (4-pin), engine codes BBJ (with AG5), from August 2004 | | | | In electronics box in plenum chamber | | A - | Engine control unit fuse ¹) -S102- | | B - | Secondary air pump fuse ¹) -S130- | | C - | Engine electronics fuse ¹) -S282- | | D - | Engine electronics fuse 2 ¹) -S344- | | E - | Injector fuse ¹) -S116- | | ¹) for models with automatic gearbox (AG5) only | | | |
AUDI A4 2001 Position of fuses, fuse holder, up to July 2004
Position of fuses, fuse holder, up to July 2004 | | | | Note: | From fuse number 23 upwards the fuses in the fuse holder are designated as 223 in the Current Flow Diagram | | | |
| Audi A4 | Fitting Locations | No. 802 / 27 |
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| No. | | Current Flow Diagram designation | Nominal value | | Function/component | Terminal |
| 10 | - | S10 - Fuse in relay plate fuse holder | 5 A | - | E102 - Headlight range control regulator J431 - Headlight range control, control unit J668 - Power output module for right headlight V48 - Left headlight range control motor V49 - Right headlight range control motor | 15 |
| 11 | - | S11 - Fuse in relay plate fuse holder | 10 A | - | J234 - Airbag control unit J706 - Seat occupied recognition control unit K145 - Front passenger side airbag deactivated warning lamp | 15 |
| 12 | - | S12 - Fuse in relay plate fuse holder | 10 A | - | T16 - 16-pin connector, black, diagnostic connector | 30 |
| 13 | - | S13 - Fuse in relay plate fuse holder | 10 A | - | J527 - Steering column electronics control unit | 30 |
| 14 | - | S14 - Fuse in relay plate fuse holder | 10 A | - | F - Brake light switch | 30 |
| 15 | - | S15 - Fuse in relay plate fuse holder | 10 A | - | J285 - Control unit in dash panel insert | 30 |
| 16 | - | S16 - Fuse in relay plate fuse holder | 5 A | - | E284 - Garage door operating unit J530 - Garage door operation control unit | 15 |
| 17 | - | S17 - Fuse in relay plate fuse holder | | - | Vacant | |
| 18 | - | S18 - Fuse in relay plate fuse holder | | - | Vacant | |
| Audi A4 | Fitting Locations | No. 802 / 29 |
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| No. | | Current Flow Diagram designation | Nominal value | | Function/component | Terminal |
| 29 | - | S229 - Fuse on fuse holder | 20 A | - | N70 - Ignition coil 1 with output stage N127 - Ignition coil 2 with output stage N291 - Ignition coil 3 with output stage N292 - Ignition coil 4 with output stage N323 - Ignition coil 5 with output stage N324 - Ignition coil 6 with output stage N325 - Ignition coil 7 with output stage N326 - Ignition coil 8 with output stage | 87 |
| 30 | - | S230 - Fuse on fuse holder | 20 A | - | J245 - Sliding sunroof adjustment control unit | 30 |
| 31 | - | S231 - Fuse on fuse holder | 15 A | - | F125 - Multifunction switch F4 - Reversing light switch G70 - Air mass meter G399 - Light detector sensor J217 - Automatic gearbox control unit J226-Starter inhibitor and reversing light relay N110 - Selector lever lock solenoid T16 - 16-pin connector, black, diagnostic connector Y7 - Automatic anti-dazzle interior mirror | 15 |
| 32 | - | S232 - Fuse on fuse holder | 20 A | - | J583 - NOx sensor control unit N30 - Injector, cylinder 1 N31 - Injector, cylinder 2 N32 - Injector, cylinder 3 N33 - Injector, cylinder 4 N83 - Injector, cylinder 5 N84 - Injector, cylinder 6 | 87 |
| 33 | - | S233 - Fuse on fuse holder | 15 A | - | U1 - Cigarette lighter | 30 |
| Audi A4 | Fitting Locations | No. 802 / 31 |
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| No. | | Current Flow Diagram designation | Nominal value | | Function/component | Terminal |
| 40 | - | S240 - Fuse on fuse holder | 25 A | - | H2 - Treble tone horn H7 - Bass tone horn J4 - Dual tone horn relay | 30 |
| 41 | - | S241 - Fuse on fuse holder | 30 A | - | J364 - Auxiliary heater control unit R64 - Remote control receiver for auxiliary heating | 30 |
| 42 | - | S242 - Fuse on fuse holder | 25 A | - | J104 - ABS control unit | 30 |
| 43 | - | S243 - Fuse on fuse holder | 15 A | - | J220 - Motronic control unit J363 - Current supply relay for Simos control unit J623 - Engine control unit N18 - Exhaust gas recirculation valve | 15 |
| 44 | - | S244 - Fuse on fuse holder | 30 A | - | E87 - Operating and display unit for air conditioning system/Climatronic J215 - Heated rear left seat control unit J255 - Climatronic control unit | 30 |
AUDI A4 2001 Position of fuses, fuse holder, from August 2004
| | Audi A4 | Fitting Locations | No. 802 / 34 |
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| No. | | Current Flow Diagram designation | Nominal value | | Function/component | Terminal |
| 10 | - | S10 - Fuse in relay plate fuse holder | 5 A | - | E102 - Headlight range control regulator J431 - Headlight range control, control unit J668 - Power output module for right headlight V48 - Left headlight range control motor V49 - Right headlight range control motor | 15 |
| 11 | - | S11 - Fuse in relay plate fuse holder | 10 A | - | J234 - Airbag control unit J706 - Seat occupied recognition control unit K145 - Front passenger side airbag deactivated warning lamp | 15 |
| 12 | - | S12 - Fuse in relay plate fuse holder | 10 A | - | T16 - 16-pin connector, black, diagnostic connector | 30 |
| 13 | - | S13 - Fuse in relay plate fuse holder | 10 A | - | J527 - Steering column electronics control unit | 30 |
| 14 | - | S14 - Fuse in relay plate fuse holder | 10 A | - | F - Brake light switch | 30 |
| 15 | - | S15 - Fuse in relay plate fuse holder | 10 A | - | J285 - Control unit in dash panel insert J401 - Navigation system with CD drive control unit | 30 |
| 16 | - | S16 - Fuse in relay plate fuse holder | 5 A | - | E284 - Garage door operating unit J530 - Garage door operation control unit | 15 |
| 17 | - | S17 - Fuse in relay plate fuse holder | 10 A | - | G397 - Rain and light detector sensor J446 - Parking aid control unit J502 - Tyre pressure monitor control unit | 30 |
| 18 | - | S18 - Fuse in relay plate fuse holder | 5 A | - | V318 - Left dynamic cornering light control motor | 15 |
| Audi A4 | Fitting Locations | No. 802 / 36 |
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| No. | | Current Flow Diagram designation | Nominal value | | Function/component | Terminal |
| 29 | - | S229 - Fuse on fuse holder | | - | Vacant | |
| 30 | - | S230 - Fuse on fuse holder | 20 A | - | J245 - Sliding sunroof adjustment control unit | 30 |
| 31 | - | S231 - Fuse on fuse holder | 15 A | - | F4 - Reversing light switch G70 - Air mass meter G399 - Light detector sensor J217 - Automatic gearbox control unit N110 - Selector lever lock solenoid T16 - 16-pin connector, black, diagnostic connector Y7 - Automatic anti-dazzle interior mirror | 15 |
| 32 | - | S232 - Fuse on fuse holder | 15 A | - | U10-Trailer socket ²) | 75x |
| 33 | - | S233 - Fuse on fuse holder | 15 A 20 A | - | U1 - Cigarette lighter U1 - Cigarette lighter ¹) | 30 |
| 34 | - | S234 - Fuse on fuse holder | 30 A 20 A | - | U5 - 12 V socket U5 - 12 V socket ¹) | 30 |
| 35 | - | S235 - Fuse on fuse holder | 30 A 20 A | - | U - socket U-Socket ¹) | 30 |
| 36 | - | S236 - Fuse on fuse holder | 30 A | - | J519 - Onboard power supply control unit V12 -Rear window wiper motor | 75x |
| 37 | - | S237 - Fuse on fuse holder | 30 A | - | J519 - Onboard power supply control unit V11 - Headlight washer system pump | 75x |
| Notes: | t | ¹) applicable from February 2005 | | t | ²) applicable from model year 2006 | | | |
| Audi A4 | Fitting Locations | No. 802 / 38 |
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AUDI A4 2001 Position of fuses, fuse holder for special vehicle - taxi | AUDI A4 2001 Position of fuses, fuse holder for special vehicle - police | Position of fuses, fuse holder for special vehicle - police |
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