Vehicle wiring diagrams Audi A4 B5, petrol

Battery, starter, alternator
General electrical diagram of the Audi A4 with a six-cylinder engine with a displacement of 2.8 liters and a power of 128 kW. A - battery B - starter C -...

Multipoint injection control unit, ignition system, injection valves
Multipoint injection control unit, ignition system, injection valves. J192 - Multipoint injection control unit N - ignition coil N30 - Cylinder 1 injection...

Multipoint injection control unit, fresh air flow meter...
Multipoint injection control unit, fresh air flow meter, throttle potentiometer, hall sensor, knock sensors, ignition coil power output stage. F60 - idle...

Control unit, starter switch
Multipoint injection control unit, ignition timing sensor, engine speed. Multipoint injection control unit, fuel pump relay, diagnostic socket, heated lambda...

Lighting, light signaling and switches
Stoplight switch, taillight. Fuse bracket, license plate light, glovebox light. Switches. F - brake light switch F4 - reversing light switch L46 - fog lamp...

Fuses, horn, cigarette lighter
Fuse holder, horn, trunk light. F5 - trunk light switch H - horn control H2 - high-pitched sound horn H7 - low tone sound horn J4 - double horn relay S12 -...

Switchboard insert, speed sensor, fuel reserve...
Switchboard insert, speed sensor, fuel supply, fuel pump, oil pressure switch. F1 - oil pressure switch F9 - hand brake warning light switch F34 - signal...

Switchboard insert, coolant control
Switchboard insert, coolant control. E87 - Manual control and indicator module for air conditioner/Climatronic F66 - Coolant deficiency indicator switch G1 -...

Alarm switch, turn signal switch
Hazard switch, turn signal switch. E2 - turn signal switch E3 - alarm switch J2 - alarm relay K18 - trailer operation indicator lamp M5 - turn signal lamp,...

Intermittent wiper switch mode, windshield washer systems, headlight cleaning...
Intermittent wiper switch mode, glass washer systems, headlight cleaners, heated glass washer sprayers. E22 - intermittent wiper switch F77 - Signal contact...

Door contact switch, interior lights with slow switch-off, makeup mirror
Door contact switch, interior lights with slow switch-off, make-up mirror. F2 - door contact switch (from the driver's side) F3 - door contact switch (on the...

Fresh air blower, heated rear window
Fresh air blower, heated rear window. E9 - fresh air blower switch E15 - heated rear window switch L16 - lamp for illuminating the fresh air regulator N24 -...

Four-cylinder engine with a displacement of 1.6 liters and a power of 74 kW
Motronic control unit, fuel pump relay, fresh air mass meter, lambda probe, injection valves. Motronic control unit, knock sensor, throttle valve. Motronic...

Four-cylinder engine with a displacement of 1.8 liters and a power of 92 kW
Motronic control unit, fuel pump relay, knock sensor II, injection valves, fresh air mass meter. Motronic system control unit, engine speed sensor, lambda...

Four-cylinder turbo engine with a displacement of 1.8 liters and a power of 110 kW
Motronic control unit, fuel pump relay, knock sensor II, injection valves, fresh air mass meter. Motronic control unit, Hall sensor, knock sensor, throttle...

Optional Equipment (Power Sliding/Removable Roof)
Ignition system. Electric sliding roof with automatic pre-selection and convenient switching (power windows). D - starter switch N - ignition coil N122 - final...

Central locking/infrared anti-theft control unit with interior monitoring
Central locking/infrared anti-theft control unit with interior monitoring. D - starter switch F2 - door contact switch on the driver's side F3 - Passenger side...

Central locking/infrared anti-theft control unit with interior monitoring
Additional equipment Voltmeter/oil temperature indicator. Additional tools. D - starter switch E2 - turn signal switch E3 - alarm switch F10 - door contact...

Power windows, four-door model (jamming protection)
Power windows, four-door model (jamming protection). Power windows, four-door model (jamming protection). Power windows, four-door model (jamming protection)....

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A4(B6, 2000-2006)

A4(B6, 2000-2006, petrol)

A4(B5, 1994-2001)

A4(B5, 1994-2001, petrol)