Wiring Diagrams Audi S4 B9 facelift (2019-2024)

34 systems 164 wiring diagrams 1450 components

Contents — 34 systems, 164 diagrams

Active bodyworks

Active bodyworks circuit

Air conditioning

Automatic a/c circuit, w/ climatronic
Automatic a/c circuit, w/o climatronic

Anti-lock brakes

Anti-lock brakes circuit

Anti-theft

Access/start circuit
Forced entry circuit

Body control modules

Comfort system central control module circuit
Steering column electronic systems control module circuit
Vehicle electrical system control module circuit

Computer data lines

Computer data lines circuit

Cooling fan

Cooling fan circuit

Cruise control

Cruise control circuit

Defoggers

Heated windshield circuit
Rear defogger & heated mirrors circuit

Electronic power steering

Active steering control module circuit
Electromechanical power steering circuit

Electronic suspension

Electronic suspension circuit

Engine performance 3.0l turbo

Wiring diagram engine performance 3.0l turbo

Exterior lights

Backup lamps circuit
Exterior lamps circuit

Ground distribution

Ground distribution circuit

Headlights

Headlights circuit, w/ hid
Headlights circuit, w/o hid & matrix beam
Headlights circuit, w/o hid w/ matrix beam

Horn

Horn circuit

Instrument cluster

Instrument cluster circuit, w/ fpk active info display
Instrument cluster circuit, w/o fpk active info display

Interior lights

Courtesy lamps circuit
Instrument illumination circuit

Memory systems

Memory mirrors circuit
Memory seat circuit

Navigation

Emergency call circuit
Lane change assistance circuit
Lane departure warning circuit
Navigation circuit, w/ amplifier
Navigation circuit, w/o amplifier
Parking assistant circuit, w/ parallel parking
Parking assistant circuit, w/o parallel parking
Peripheral camera circuit
Rear camera circuit

Power distribution

Power distribution circuit

Power door locks

Power door locks circuit

Power mirrors

Automatic day/night mirror circuit
Power mirrors circuit

Power seats

Heated seats circuit, w/ ventilation
Heated seats circuit, w/o ventilation
Heated steering wheel circuit
Lumbar circuit
Multi contour seat circuit, w/ power seat adjustment
Multi contour seat circuit, w/o power seat adjustment
Power seats circuit

Power top/sunroof

Power top/sunroof circuit

Power windows

Power windows circuit

Radio

Most data bus circuit
Radio circuit, w/ amplifier
Radio circuit, w/o amplifier
Rear seat entertainment circuit
Tv tuner circuit

Shift interlock

Park brake release circuit
Shift interlock circuit
Steering column circuit

Starting/charging

Charging circuit
Starting circuit

Supplemental restraints

Supplemental restraints circuit

Transmission

A/t circuit
Awd circuit, w/ torque vectoring
Awd circuit, w/o torque vectoring

Trunk, tailgate, fuel door

Trunk & fuel door release circuit

Warning systems

Brake wear sensor circuit
Chime circuit
Tire pressure monitoring circuit

Wiper/washer

Jet heater circuit
Wiper/washer circuit

Active bodyworks

# Active bodyworks circuit

Active bodyworks — Active bodyworks circuit — Active bodyworks circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

Air conditioning

# Automatic a/c circuit, w/ climatronic

# Automatic a/c circuit, w/ climatronic (1 of 3)

Air conditioning — Automatic a/c circuit, w/ climatronic — Automatic a/c circuit, w/ climatronic (1 of 3). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Automatic a/c circuit, w/ climatronic (2 of 3)

Air conditioning — Automatic a/c circuit, w/ climatronic — Automatic a/c circuit, w/ climatronic (2 of 3). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Automatic a/c circuit, w/ climatronic (3 of 3)

Air conditioning — Automatic a/c circuit, w/ climatronic — Automatic a/c circuit, w/ climatronic (3 of 3). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Automatic a/c circuit, w/o climatronic

# Automatic a/c circuit, w/o climatronic (1 of 4)

Air conditioning — Automatic a/c circuit, w/o climatronic — Automatic a/c circuit, w/o climatronic (1 of 4). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Automatic a/c circuit, w/o climatronic (2 of 4)

Air conditioning — Automatic a/c circuit, w/o climatronic — Automatic a/c circuit, w/o climatronic (2 of 4). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Automatic a/c circuit, w/o climatronic (3 of 4)

Air conditioning — Automatic a/c circuit, w/o climatronic — Automatic a/c circuit, w/o climatronic (3 of 4). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Automatic a/c circuit, w/o climatronic (4 of 4)

Air conditioning — Automatic a/c circuit, w/o climatronic — Automatic a/c circuit, w/o climatronic (4 of 4). Audi S4 B9 facelift (2019-2024)

Components on the diagram

Anti-lock brakes

# Anti-lock brakes circuit

# Anti-lock brakes circuit (1 of 3)

Anti-lock brakes — Anti-lock brakes circuit — Anti-lock brakes circuit (1 of 3). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Anti-lock brakes circuit (2 of 3)

Anti-lock brakes — Anti-lock brakes circuit — Anti-lock brakes circuit (2 of 3). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Anti-lock brakes circuit (3 of 3)

Anti-lock brakes — Anti-lock brakes circuit — Anti-lock brakes circuit (3 of 3). Audi S4 B9 facelift (2019-2024)

Components on the diagram

Anti-theft

# Access/start circuit

# Access/start circuit (1 of 2)

Anti-theft — Access/start circuit — Access/start circuit (1 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Access/start circuit (2 of 2)

Anti-theft — Access/start circuit — Access/start circuit (2 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Forced entry circuit

# Forced entry circuit (1 of 6)

Anti-theft — Forced entry circuit — Forced entry circuit (1 of 6). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Forced entry circuit (2 of 6)

Anti-theft — Forced entry circuit — Forced entry circuit (2 of 6). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Forced entry circuit (3 of 6)

Anti-theft — Forced entry circuit — Forced entry circuit (3 of 6). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Forced entry circuit (4 of 6)

Anti-theft — Forced entry circuit — Forced entry circuit (4 of 6). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Forced entry circuit (5 of 6)

Anti-theft — Forced entry circuit — Forced entry circuit (5 of 6). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Forced entry circuit (6 of 6)

Anti-theft — Forced entry circuit — Forced entry circuit (6 of 6). Audi S4 B9 facelift (2019-2024)

Components on the diagram

Body control modules

# Comfort system central control module circuit

Body control modules — Comfort system central control module circuit — Comfort system central control module circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Steering column electronic systems control module circuit

# Steering column electronic systems control module circuit (1 of 2)

Body control modules — Steering column electronic systems control module circuit — Steering column electronic systems control module circuit (1 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Steering column electronic systems control module circuit (2 of 2)

Body control modules — Steering column electronic systems control module circuit — Steering column electronic systems control module circuit (2 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Vehicle electrical system control module circuit

# Vehicle electrical system control module circuit (1 of 2)

Body control modules — Vehicle electrical system control module circuit — Vehicle electrical system control module circuit (1 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Vehicle electrical system control module circuit (2 of 2)

Body control modules — Vehicle electrical system control module circuit — Vehicle electrical system control module circuit (2 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

Computer data lines

# Computer data lines circuit

# Computer data lines circuit (1 of 8)

Computer data lines — Computer data lines circuit — Computer data lines circuit (1 of 8). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Computer data lines circuit (2 of 8)

Computer data lines — Computer data lines circuit — Computer data lines circuit (2 of 8). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Computer data lines circuit (3 of 8)

Computer data lines — Computer data lines circuit — Computer data lines circuit (3 of 8). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Computer data lines circuit (4 of 8)

Computer data lines — Computer data lines circuit — Computer data lines circuit (4 of 8). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Computer data lines circuit (5 of 8)

Computer data lines — Computer data lines circuit — Computer data lines circuit (5 of 8). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Computer data lines circuit (6 of 8)

Computer data lines — Computer data lines circuit — Computer data lines circuit (6 of 8). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Computer data lines circuit (7 of 8)

Computer data lines — Computer data lines circuit — Computer data lines circuit (7 of 8). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Computer data lines circuit (8 of 8)

Computer data lines — Computer data lines circuit — Computer data lines circuit (8 of 8). Audi S4 B9 facelift (2019-2024)

Components on the diagram

Cooling fan

# Cooling fan circuit

Cooling fan — Cooling fan circuit — Cooling fan circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

Cruise control

# Cruise control circuit

Cruise control — Cruise control circuit — Cruise control circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

Defoggers

# Heated windshield circuit

Defoggers — Heated windshield circuit — Heated windshield circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Rear defogger & heated mirrors circuit

Defoggers — Rear defogger & heated mirrors circuit — Rear defogger & heated mirrors circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

Electronic power steering

# Active steering control module circuit

Electronic power steering — Active steering control module circuit — Active steering control module circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Electromechanical power steering circuit

Electronic power steering — Electromechanical power steering circuit — Electromechanical power steering circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

Electronic suspension

# Electronic suspension circuit

Electronic suspension — Electronic suspension circuit — Electronic suspension circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

Engine performance 3.0l turbo

# Wiring diagram engine performance 3.0l turbo

# Wiring diagram engine performance 3.0l turbo (1 of 10)

Engine performance 3.0l turbo — Wiring diagram engine performance 3.0l turbo — Wiring diagram engine performance 3.0l turbo (1 of 10). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Wiring diagram engine performance 3.0l turbo (2 of 10)

Engine performance 3.0l turbo — Wiring diagram engine performance 3.0l turbo — Wiring diagram engine performance 3.0l turbo (2 of 10). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Wiring diagram engine performance 3.0l turbo (3 of 10)

Engine performance 3.0l turbo — Wiring diagram engine performance 3.0l turbo — Wiring diagram engine performance 3.0l turbo (3 of 10). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Wiring diagram engine performance 3.0l turbo (4 of 10)

Engine performance 3.0l turbo — Wiring diagram engine performance 3.0l turbo — Wiring diagram engine performance 3.0l turbo (4 of 10). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Wiring diagram engine performance 3.0l turbo (5 of 10)

Engine performance 3.0l turbo — Wiring diagram engine performance 3.0l turbo — Wiring diagram engine performance 3.0l turbo (5 of 10). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Wiring diagram engine performance 3.0l turbo (6 of 10)

Engine performance 3.0l turbo — Wiring diagram engine performance 3.0l turbo — Wiring diagram engine performance 3.0l turbo (6 of 10). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Wiring diagram engine performance 3.0l turbo (7 of 10)

Engine performance 3.0l turbo — Wiring diagram engine performance 3.0l turbo — Wiring diagram engine performance 3.0l turbo (7 of 10). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Wiring diagram engine performance 3.0l turbo (8 of 10)

Engine performance 3.0l turbo — Wiring diagram engine performance 3.0l turbo — Wiring diagram engine performance 3.0l turbo (8 of 10). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Wiring diagram engine performance 3.0l turbo (9 of 10)

Engine performance 3.0l turbo — Wiring diagram engine performance 3.0l turbo — Wiring diagram engine performance 3.0l turbo (9 of 10). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Wiring diagram engine performance 3.0l turbo (10 of 10)

Engine performance 3.0l turbo — Wiring diagram engine performance 3.0l turbo — Wiring diagram engine performance 3.0l turbo (10 of 10). Audi S4 B9 facelift (2019-2024)

Components on the diagram

Exterior lights

# Backup lamps circuit

Exterior lights — Backup lamps circuit — Backup lamps circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Exterior lamps circuit

# Exterior lamps circuit (1 of 6)

Exterior lights — Exterior lamps circuit — Exterior lamps circuit (1 of 6). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Exterior lamps circuit (2 of 6)

Exterior lights — Exterior lamps circuit — Exterior lamps circuit (2 of 6). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Exterior lamps circuit (3 of 6)

Exterior lights — Exterior lamps circuit — Exterior lamps circuit (3 of 6). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Exterior lamps circuit (4 of 6)

Exterior lights — Exterior lamps circuit — Exterior lamps circuit (4 of 6). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Exterior lamps circuit (5 of 6)

Exterior lights — Exterior lamps circuit — Exterior lamps circuit (5 of 6). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Exterior lamps circuit (6 of 6)

Exterior lights — Exterior lamps circuit — Exterior lamps circuit (6 of 6). Audi S4 B9 facelift (2019-2024)

Components on the diagram

Ground distribution

# Ground distribution circuit

# Ground distribution circuit (1 of 7)

Ground distribution — Ground distribution circuit — Ground distribution circuit (1 of 7). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Ground distribution circuit (2 of 7)

Ground distribution — Ground distribution circuit — Ground distribution circuit (2 of 7). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Ground distribution circuit (3 of 7)

Ground distribution — Ground distribution circuit — Ground distribution circuit (3 of 7). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Ground distribution circuit (4 of 7)

Ground distribution — Ground distribution circuit — Ground distribution circuit (4 of 7). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Ground distribution circuit (5 of 7)

Ground distribution — Ground distribution circuit — Ground distribution circuit (5 of 7). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Ground distribution circuit (6 of 7)

Ground distribution — Ground distribution circuit — Ground distribution circuit (6 of 7). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Ground distribution circuit (7 of 7)

Ground distribution — Ground distribution circuit — Ground distribution circuit (7 of 7). Audi S4 B9 facelift (2019-2024)

Components on the diagram

Headlights

# Headlights circuit, w/ hid

# Headlights circuit, w/ hid (1 of 2)

Headlights — Headlights circuit, w/ hid — Headlights circuit, w/ hid (1 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Headlights circuit, w/ hid (2 of 2)

Headlights — Headlights circuit, w/ hid — Headlights circuit, w/ hid (2 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Headlights circuit, w/o hid & matrix beam

# Headlights circuit, w/o hid & matrix beam (1 of 2)

Headlights — Headlights circuit, w/o hid & matrix beam — Headlights circuit, w/o hid & matrix beam (1 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Headlights circuit, w/o hid & matrix beam (2 of 2)

Headlights — Headlights circuit, w/o hid & matrix beam — Headlights circuit, w/o hid & matrix beam (2 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Headlights circuit, w/o hid w/ matrix beam

# Headlights circuit, w/o hid w/ matrix beam (1 of 2)

Headlights — Headlights circuit, w/o hid w/ matrix beam — Headlights circuit, w/o hid w/ matrix beam (1 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Headlights circuit, w/o hid w/ matrix beam (2 of 2)

Headlights — Headlights circuit, w/o hid w/ matrix beam — Headlights circuit, w/o hid w/ matrix beam (2 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

Horn

# Horn circuit

Horn — Horn circuit — Horn circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

Instrument cluster

# Instrument cluster circuit, w/ fpk active info display

# Instrument cluster circuit, w/ fpk active info display (1 of 2)

Instrument cluster — Instrument cluster circuit, w/ fpk active info display — Instrument cluster circuit, w/ fpk active info display (1 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Instrument cluster circuit, w/ fpk active info display (2 of 2)

Instrument cluster — Instrument cluster circuit, w/ fpk active info display — Instrument cluster circuit, w/ fpk active info display (2 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Instrument cluster circuit, w/o fpk active info display

# Instrument cluster circuit, w/o fpk active info display (1 of 2)

Instrument cluster — Instrument cluster circuit, w/o fpk active info display — Instrument cluster circuit, w/o fpk active info display (1 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Instrument cluster circuit, w/o fpk active info display (2 of 2)

Instrument cluster — Instrument cluster circuit, w/o fpk active info display — Instrument cluster circuit, w/o fpk active info display (2 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

Interior lights

# Courtesy lamps circuit

# Courtesy lamps circuit (1 of 5)

Interior lights — Courtesy lamps circuit — Courtesy lamps circuit (1 of 5). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Courtesy lamps circuit (2 of 5)

Interior lights — Courtesy lamps circuit — Courtesy lamps circuit (2 of 5). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Courtesy lamps circuit (3 of 5)

Interior lights — Courtesy lamps circuit — Courtesy lamps circuit (3 of 5). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Courtesy lamps circuit (4 of 5)

Interior lights — Courtesy lamps circuit — Courtesy lamps circuit (4 of 5). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Courtesy lamps circuit (5 of 5)

Interior lights — Courtesy lamps circuit — Courtesy lamps circuit (5 of 5). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Instrument illumination circuit

# Instrument illumination circuit (1 of 4)

Interior lights — Instrument illumination circuit — Instrument illumination circuit (1 of 4). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Instrument illumination circuit (2 of 4)

Interior lights — Instrument illumination circuit — Instrument illumination circuit (2 of 4). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Instrument illumination circuit (3 of 4)

Interior lights — Instrument illumination circuit — Instrument illumination circuit (3 of 4). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Instrument illumination circuit (4 of 4)

Interior lights — Instrument illumination circuit — Instrument illumination circuit (4 of 4). Audi S4 B9 facelift (2019-2024)

Components on the diagram

Memory systems

# Memory mirrors circuit

# Memory mirrors circuit (1 of 2)

Memory systems — Memory mirrors circuit — Memory mirrors circuit (1 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Memory mirrors circuit (2 of 2)

Memory systems — Memory mirrors circuit — Memory mirrors circuit (2 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Memory seat circuit

Memory systems — Memory seat circuit — Memory seat circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

Navigation

# Emergency call circuit

# Emergency call circuit (1 of 2)

Navigation — Emergency call circuit — Emergency call circuit (1 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Emergency call circuit (2 of 2)

Navigation — Emergency call circuit — Emergency call circuit (2 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Lane change assistance circuit

Navigation — Lane change assistance circuit — Lane change assistance circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Lane departure warning circuit

Navigation — Lane departure warning circuit — Lane departure warning circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Navigation circuit, w/ amplifier

# Navigation circuit, w/ amplifier (1 of 4)

Navigation — Navigation circuit, w/ amplifier — Navigation circuit, w/ amplifier (1 of 4). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Navigation circuit, w/ amplifier (2 of 4)

Navigation — Navigation circuit, w/ amplifier — Navigation circuit, w/ amplifier (2 of 4). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Navigation circuit, w/ amplifier (3 of 4)

Navigation — Navigation circuit, w/ amplifier — Navigation circuit, w/ amplifier (3 of 4). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Navigation circuit, w/ amplifier (4 of 4)

Navigation — Navigation circuit, w/ amplifier — Navigation circuit, w/ amplifier (4 of 4). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Navigation circuit, w/o amplifier

# Navigation circuit, w/o amplifier (1 of 3)

Navigation — Navigation circuit, w/o amplifier — Navigation circuit, w/o amplifier (1 of 3). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Navigation circuit, w/o amplifier (2 of 3)

Navigation — Navigation circuit, w/o amplifier — Navigation circuit, w/o amplifier (2 of 3). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Navigation circuit, w/o amplifier (3 of 3)

Navigation — Navigation circuit, w/o amplifier — Navigation circuit, w/o amplifier (3 of 3). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Parking assistant circuit, w/ parallel parking

# Parking assistant circuit, w/ parallel parking (1 of 2)

Navigation — Parking assistant circuit, w/ parallel parking — Parking assistant circuit, w/ parallel parking (1 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Parking assistant circuit, w/ parallel parking (2 of 2)

Navigation — Parking assistant circuit, w/ parallel parking — Parking assistant circuit, w/ parallel parking (2 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Parking assistant circuit, w/o parallel parking

# Parking assistant circuit, w/o parallel parking (1 of 2)

Navigation — Parking assistant circuit, w/o parallel parking — Parking assistant circuit, w/o parallel parking (1 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Parking assistant circuit, w/o parallel parking (2 of 2)

Navigation — Parking assistant circuit, w/o parallel parking — Parking assistant circuit, w/o parallel parking (2 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Peripheral camera circuit

Navigation — Peripheral camera circuit — Peripheral camera circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Rear camera circuit

Navigation — Rear camera circuit — Rear camera circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

Power distribution

# Power distribution circuit

# Power distribution circuit (1 of 6)

Power distribution — Power distribution circuit — Power distribution circuit (1 of 6). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Power distribution circuit (2 of 6)

Power distribution — Power distribution circuit — Power distribution circuit (2 of 6). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Power distribution circuit (3 of 6)

Power distribution — Power distribution circuit — Power distribution circuit (3 of 6). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Power distribution circuit (4 of 6)

Power distribution — Power distribution circuit — Power distribution circuit (4 of 6). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Power distribution circuit (5 of 6)

Power distribution — Power distribution circuit — Power distribution circuit (5 of 6). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Power distribution circuit (6 of 6)

Power distribution — Power distribution circuit — Power distribution circuit (6 of 6). Audi S4 B9 facelift (2019-2024)

Components on the diagram

Power door locks

# Power door locks circuit

# Power door locks circuit (1 of 6)

Power door locks — Power door locks circuit — Power door locks circuit (1 of 6). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Power door locks circuit (2 of 6)

Power door locks — Power door locks circuit — Power door locks circuit (2 of 6). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Power door locks circuit (3 of 6)

Power door locks — Power door locks circuit — Power door locks circuit (3 of 6). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Power door locks circuit (4 of 6)

Power door locks — Power door locks circuit — Power door locks circuit (4 of 6). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Power door locks circuit (5 of 6)

Power door locks — Power door locks circuit — Power door locks circuit (5 of 6). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Power door locks circuit (6 of 6)

Power door locks — Power door locks circuit — Power door locks circuit (6 of 6). Audi S4 B9 facelift (2019-2024)

Components on the diagram

Power mirrors

# Automatic day/night mirror circuit

Power mirrors — Automatic day/night mirror circuit — Automatic day/night mirror circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Power mirrors circuit

# Power mirrors circuit (1 of 2)

Power mirrors — Power mirrors circuit — Power mirrors circuit (1 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Power mirrors circuit (2 of 2)

Power mirrors — Power mirrors circuit — Power mirrors circuit (2 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

Power seats

# Heated seats circuit, w/ ventilation

# Heated seats circuit, w/ ventilation (1 of 2)

Power seats — Heated seats circuit, w/ ventilation — Heated seats circuit, w/ ventilation (1 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Heated seats circuit, w/ ventilation (2 of 2)

Power seats — Heated seats circuit, w/ ventilation — Heated seats circuit, w/ ventilation (2 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Heated seats circuit, w/o ventilation

# Heated seats circuit, w/o ventilation (1 of 2)

Power seats — Heated seats circuit, w/o ventilation — Heated seats circuit, w/o ventilation (1 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Heated seats circuit, w/o ventilation (2 of 2)

Power seats — Heated seats circuit, w/o ventilation — Heated seats circuit, w/o ventilation (2 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Heated steering wheel circuit

Power seats — Heated steering wheel circuit — Heated steering wheel circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Lumbar circuit

Power seats — Lumbar circuit — Lumbar circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Multi contour seat circuit, w/ power seat adjustment

# Multi contour seat circuit, w/ power seat adjustment (1 of 2)

Power seats — Multi contour seat circuit, w/ power seat adjustment — Multi contour seat circuit, w/ power seat adjustment (1 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Multi contour seat circuit, w/ power seat adjustment (2 of 2)

Power seats — Multi contour seat circuit, w/ power seat adjustment — Multi contour seat circuit, w/ power seat adjustment (2 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Multi contour seat circuit, w/o power seat adjustment

# Multi contour seat circuit, w/o power seat adjustment (1 of 2)

Power seats — Multi contour seat circuit, w/o power seat adjustment — Multi contour seat circuit, w/o power seat adjustment (1 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Multi contour seat circuit, w/o power seat adjustment (2 of 2)

Power seats — Multi contour seat circuit, w/o power seat adjustment — Multi contour seat circuit, w/o power seat adjustment (2 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Power seats circuit

Power seats — Power seats circuit — Power seats circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

Power top/sunroof

# Power top/sunroof circuit

Power top/sunroof — Power top/sunroof circuit — Power top/sunroof circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

Power windows

# Power windows circuit

# Power windows circuit (1 of 2)

Power windows — Power windows circuit — Power windows circuit (1 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Power windows circuit (2 of 2)

Power windows — Power windows circuit — Power windows circuit (2 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

Radio

# Most data bus circuit

Radio — Most data bus circuit — Most data bus circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Radio circuit, w/ amplifier

# Radio circuit, w/ amplifier (1 of 4)

Radio — Radio circuit, w/ amplifier — Radio circuit, w/ amplifier (1 of 4). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Radio circuit, w/ amplifier (2 of 4)

Radio — Radio circuit, w/ amplifier — Radio circuit, w/ amplifier (2 of 4). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Radio circuit, w/ amplifier (3 of 4)

Radio — Radio circuit, w/ amplifier — Radio circuit, w/ amplifier (3 of 4). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Radio circuit, w/ amplifier (4 of 4)

Radio — Radio circuit, w/ amplifier — Radio circuit, w/ amplifier (4 of 4). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Radio circuit, w/o amplifier

# Radio circuit, w/o amplifier (1 of 3)

Radio — Radio circuit, w/o amplifier — Radio circuit, w/o amplifier (1 of 3). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Radio circuit, w/o amplifier (2 of 3)

Radio — Radio circuit, w/o amplifier — Radio circuit, w/o amplifier (2 of 3). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Radio circuit, w/o amplifier (3 of 3)

Radio — Radio circuit, w/o amplifier — Radio circuit, w/o amplifier (3 of 3). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Rear seat entertainment circuit

Radio — Rear seat entertainment circuit — Rear seat entertainment circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Tv tuner circuit

Radio — Tv tuner circuit — Tv tuner circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

Shift interlock

# Park brake release circuit

Shift interlock — Park brake release circuit — Park brake release circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Shift interlock circuit

Shift interlock — Shift interlock circuit — Shift interlock circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Steering column circuit

Shift interlock — Steering column circuit — Steering column circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

Starting/charging

# Charging circuit

Starting/charging — Charging circuit — Charging circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Starting circuit

# Starting circuit (1 of 2)

Starting/charging — Starting circuit — Starting circuit (1 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Starting circuit (2 of 2)

Starting/charging — Starting circuit — Starting circuit (2 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

Supplemental restraints

# Supplemental restraints circuit

# Supplemental restraints circuit (1 of 5)

Supplemental restraints — Supplemental restraints circuit — Supplemental restraints circuit (1 of 5). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Supplemental restraints circuit (2 of 5)

Supplemental restraints — Supplemental restraints circuit — Supplemental restraints circuit (2 of 5). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Supplemental restraints circuit (3 of 5)

Supplemental restraints — Supplemental restraints circuit — Supplemental restraints circuit (3 of 5). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Supplemental restraints circuit (4 of 5)

Supplemental restraints — Supplemental restraints circuit — Supplemental restraints circuit (4 of 5). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Supplemental restraints circuit (5 of 5)

Supplemental restraints — Supplemental restraints circuit — Supplemental restraints circuit (5 of 5). Audi S4 B9 facelift (2019-2024)

Components on the diagram

Transmission

# A/t circuit

# A/t circuit (1 of 2)

Transmission — A/t circuit — A/t circuit (1 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# A/t circuit (2 of 2)

Transmission — A/t circuit — A/t circuit (2 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Awd circuit, w/ torque vectoring

Transmission — Awd circuit, w/ torque vectoring — Awd circuit, w/ torque vectoring. Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Awd circuit, w/o torque vectoring

Transmission — Awd circuit, w/o torque vectoring — Awd circuit, w/o torque vectoring. Audi S4 B9 facelift (2019-2024)

Components on the diagram

Trunk, tailgate, fuel door

# Trunk & fuel door release circuit

# Trunk & fuel door release circuit (1 of 2)

Trunk, tailgate, fuel door — Trunk & fuel door release circuit — Trunk & fuel door release circuit (1 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Trunk & fuel door release circuit (2 of 2)

Trunk, tailgate, fuel door — Trunk & fuel door release circuit — Trunk & fuel door release circuit (2 of 2). Audi S4 B9 facelift (2019-2024)

Components on the diagram

Warning systems

# Brake wear sensor circuit

Warning systems — Brake wear sensor circuit — Brake wear sensor circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Chime circuit

Warning systems — Chime circuit — Chime circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Tire pressure monitoring circuit

Warning systems — Tire pressure monitoring circuit — Tire pressure monitoring circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

Wiper/washer

# Jet heater circuit

Wiper/washer — Jet heater circuit — Jet heater circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram

# Wiper/washer circuit

Wiper/washer — Wiper/washer circuit — Wiper/washer circuit. Audi S4 B9 facelift (2019-2024)

Components on the diagram