Electrical diagrams of car Audi A4 B7
Due to the variety of configuration options for the cars under consideration, the diagrams for the 2.0 TFSI (BWE) engine are provided below. Some diagrams are also suitable for other models, which is indicated in the diagram title.
Color designations for wire insulation and fuses
Note: Due to the variety of configuration options for the vehicles in question, the diagrams below are for the 2.0 TFSI (BWE) engine. Some diagrams are also...
Note: Due to the variety of configuration options for the vehicles in question, the diagrams below are for the 2.0 TFSI (BWE) engine. Some diagrams are also...
Location of relays and fuses
13.1. Location of relay and fuse mounting blocks 1. Fuse S88, at the positive terminal of the battery; 2. Fuse S46 in the junction box on the right A-pillar...
13.1. Location of relay and fuse mounting blocks 1. Fuse S88, at the positive terminal of the battery; 2. Fuse S46 in the junction box on the right A-pillar...
Designations on diagrams
Symbolic designations The jumper closes the circuit when the connector is disconnected CAN bus wire Numerical designations (points and connections of mass) 3...
Symbolic designations The jumper closes the circuit when the connector is disconnected CAN bus wire Numerical designations (points and connections of mass) 3...
Engine management system (BPG, BGB, BWE, BUL and BYK from August 2004; BWT from June 2006; BPJ from November 2006)
1-1 Fuses, power supply * until October 2004.; ** since November 2004.; *** for models with manual transmission; **** for models with AT, see AT diagram; *****...
1-1 Fuses, power supply * until October 2004.; ** since November 2004.; *** for models with manual transmission; **** for models with AT, see AT diagram; *****...
5-speed AT with manual mode (since November 2004)
2-1. Control unit AT ignition switch, starter relay 2-2. AT control unit, fuses, Tiptronic switch, selector lever lock solenoid valve * no longer used, phased...
2-1. Control unit AT ignition switch, starter relay 2-2. AT control unit, fuses, Tiptronic switch, selector lever lock solenoid valve * no longer used, phased...
6-speed AT 09L with manual mode (since August 2004)
3-1. AT control unit, ignition switch, fuses, starter relay * for BKN engine; ** for BGB, BPG, BWE engines; *** for BHF, VVK engines; **** for AUK, VKN engines...
3-1. AT control unit, ignition switch, fuses, starter relay * for BKN engine; ** for BGB, BPG, BWE engines; *** for BHF, VVK engines; **** for AUK, VKN engines...
CVT 01J (since August 2004)
4-1, 4-2. Ignition switch, fuses, starter relay, CVT control unit * for BLB, BNA, BRE, BRF, BVF engines; ** for AWA engine; *** for BPW, BRC, ERE, ERF, BVF,...
4-1, 4-2. Ignition switch, fuses, starter relay, CVT control unit * for BLB, BNA, BRE, BRF, BVF engines; ** for AWA engine; *** for BPW, BRC, ERE, ERF, BVF,...
ABS and ESP systems (up to model year 2006)
5-1 Fuses, ABS control unit with EDL * for petrol models 5 5-2 VSS sensors, ABS control unit with EDL *for FWD models; **for AWD models; *** for navigation...
5-1 Fuses, ABS control unit with EDL * for petrol models 5 5-2 VSS sensors, ABS control unit with EDL *for FWD models; **for AWD models; *** for navigation...
ABS and ESP systems (since 2006 model year)
6-1 Fuses, ABS control unit with EDL * for petrol models 6-2 VSS sensors, ABS control unit with EDL 6-3 Steering wheel angle sensor, ABS control unit with EDL...
6-1 Fuses, ABS control unit with EDL * for petrol models 6-2 VSS sensors, ABS control unit with EDL 6-3 Steering wheel angle sensor, ABS control unit with EDL...
CAN bus (since 2006 model year)
7-1 ECM, ABS control unit * see engine control diagram * * see AT diagram 7-2 Headlight leveling control unit, steering column control unit 7-3 Control unit in...
7-1 ECM, ABS control unit * see engine control diagram * * see AT diagram 7-2 Headlight leveling control unit, steering column control unit 7-3 Control unit in...
Control of the cooling fan of petrol engines (BGB, BPG, BWE, BYK; BUL since August 2004; AUK, BKN since January 2005; BWT since June 2006; BPJ since November 2006)
9-1 Battery, fuses, cooling fan control unit * 60 A for radiator fan control - 600 W (models for countries with hot climates, with AT or towing hitch) * * for...
9-1 Battery, fuses, cooling fan control unit * 60 A for radiator fan control - 600 W (models for countries with hot climates, with AT or towing hitch) * * for...
Servotronic (since 2003)
10-1 Servotronic *for models up to 2004. ** for models produced since August 2004.
10-1 Servotronic *for models up to 2004. ** for models produced since August 2004.
Multifunction steering wheel (from 2004 model year)
11-1 Ignition switch, control unit in the instrument panel insert, steering column control unit, fuses 11-2 Steering wheel control unit, steering column...
11-1 Ignition switch, control unit in the instrument panel insert, steering column control unit, fuses 11-2 Steering wheel control unit, steering column...
Climate system (since August 2004)
12-1 Fuses * for models with heated rear seats; ** for models from 2006, see corresponding diagram for basic equipment; *** the fuse was replaced from 30 A to...
12-1 Fuses * for models with heated rear seats; ** for models from 2006, see corresponding diagram for basic equipment; *** the fuse was replaced from 30 A to...
Additional heater (from August 2004)
13-1 Temperature sensor, flame sensor, auxiliary heater control unit, auxiliary heater remote control receiver, compressor overheating fuse * for Sedan models;...
13-1 Temperature sensor, flame sensor, auxiliary heater control unit, auxiliary heater remote control receiver, compressor overheating fuse * for Sedan models;...
Heated seats (from September 2006)
14-1 Fuses *The fuse was replaced from 30 A to 35 A, since 2006.; **for models with heated rear seats 14-2 Steering wheel heating *for models with heated...
14-1 Fuses *The fuse was replaced from 30 A to 35 A, since 2006.; **for models with heated rear seats 14-2 Steering wheel heating *for models with heated...
Electric seats and mirrors with memory function (since 2006 model year)
15-1 Seat adjustment module with memory function * front passenger seat adjustment; ** no longer used, gradual modification 15-2 Adjusting the driver's seat...
15-1 Seat adjustment module with memory function * front passenger seat adjustment; ** no longer used, gradual modification 15-2 Adjusting the driver's seat...
Auto-dimming interior rearview mirror, automatic headlight control (from August 2004)
16-1 On-board power supply module, voltage supply * for models with adjustable headlight range; **for models with automatic headlight leveling, see...
16-1 On-board power supply module, voltage supply * for models with adjustable headlight range; **for models with automatic headlight leveling, see...
Halogen headlights and fog lights (from August 2004)
17-1 Ignition switch, headlight range adjuster, fuses *for models up to 2005.; ** for models from 2006. 17-2 Light switch, fuses *for models with automatic...
17-1 Ignition switch, headlight range adjuster, fuses *for models up to 2005.; ** for models from 2006. 17-2 Light switch, fuses *for models with automatic...
Xenon headlights with cornering light and automatic levelling (from August 2004)
18-1 Ignition switch, fuses * for models up to 2005.; ** for models from 2006, release. 18-2 Vehicle Identification Transmitter * for models up to 2005.; **...
18-1 Ignition switch, fuses * for models up to 2005.; ** for models from 2006, release. 18-2 Vehicle Identification Transmitter * for models up to 2005.; **...
Main equipment (since 2006 model year)
19-1,19-2 Mass connections * section 4.0 is possible; **section 6.0 is possible; *** see ECM diagram 19-3 Ignition switch, main fuse * for models with heated...
19-1,19-2 Mass connections * section 4.0 is possible; **section 6.0 is possible; *** see ECM diagram 19-3 Ignition switch, main fuse * for models with heated...
Rear combination lights for Estate models (from August 2004)
20-1 Left reversing lights *for models without US equipment; ** for models with US equipment 20-2 Right reversing lights, number plate light *for model without...
20-1 Left reversing lights *for models without US equipment; ** for models with US equipment 20-2 Right reversing lights, number plate light *for model without...
Parking assistance system (from August 2004)
21-1 Parking Assist Module, Fuses 21-2 Parking assistance module, front sensors * models with front and rear parking assistance sensors 21-3 Parking assistance...
21-1 Parking Assist Module, Fuses 21-2 Parking assistance module, front sensors * models with front and rear parking assistance sensors 21-3 Parking assistance...
SRS system (since 2006 model year)
22-1 Driver and front passenger front airbag pyropatrons *** ground supply through the housing from the SRS control unit 22-2 Inflatable curtain pyropatrons *...
22-1 Driver and front passenger front airbag pyropatrons *** ground supply through the housing from the SRS control unit 22-2 Inflatable curtain pyropatrons *...
Comfort systems (since 2006 model year)
23-1 Fuses * for models with solar panels, a cross-section of 4.0 is possible 23-2 Central unit of comfort systems, siren *for models with theft alarm system...
23-1 Fuses * for models with solar panels, a cross-section of 4.0 is possible 23-2 Central unit of comfort systems, siren *for models with theft alarm system...
Tire inflation pressure monitoring system (since August 2004)
25-1 Tire inflation pressure monitoring sensors and antenna, fuses * for models up to 2005. ** for models from 2006. 25-2 Rear window wiper switch, control...
25-1 Tire inflation pressure monitoring sensors and antenna, fuses * for models up to 2005. ** for models from 2006. 25-2 Rear window wiper switch, control...
Electric rear window curtain (since August 2004)
26-1 Rear curtain electric drive * right curtain **left curtain
26-1 Rear curtain electric drive * right curtain **left curtain
Universal Remote Control (since 2004 model year)
27-1 Universal Remote Control * for models from August 2004. ** for models with top hatch (section 4 mm) 27-2 Universal remote control, control module * for...
27-1 Universal Remote Control * for models from August 2004. ** for models with top hatch (section 4 mm) 27-2 Universal remote control, control module * for...
Audio preparation (since 2003 model year)
28-1 Fuses, internal speaker *for models with telephone/communication systems **See telephone/communication systems diagram *** see telephone/communication...
28-1 Fuses, internal speaker *for models with telephone/communication systems **See telephone/communication systems diagram *** see telephone/communication...
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- General information
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- Petrol engines 1.8 l
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