Audi A4 B5 Fuse Box Diagram Hot! -
, each assigned to specific electrical circuits. Below is a breakdown of the most commonly accessed fuses based on standard factory layouts: System Protected Telephone/Telematics Anti-Lock Brake System (ABS) Brake Lights Interior Lights, Central Locking Dipped Beam (Right Side) Dipped Beam (Left Side) Fresh Air Blower (HVAC) Cigarette Lighter Radio / Sound System 🛠️ Secondary Relay and Fuse Panels
before removing or replacing fuses.
(standard):
A diagram and small plastic fuse-pulling tool are typically found on the inside of this cover. 📋 Fuse Layout and Assignment The A4 B5 typically utilizes 44 primary fuses
of your B5 (there were minor changes in the 1999.5 facelift)? Does the issue happen constantly or intermittently audi a4 b5 fuse box diagram
| Fuse # | Amperage | Circuit Protected | | :--- | :--- | :--- | | | 15A | Fog Lights (Left & Right) | | 2 | 15A | Hazard Warning Lights | | 3 | 15A | Fuel Pump (FP) / Glow Plug Relay | | 4 | 15A | Engine Control Module (ECM) / Diagnosis Connector | | 5 | — | (Often unused or specific market options) | | 6 | 5A | Central Locking System | | 7 | 10A | Tailgate / Trunk Lid Release | | 8 | 5A | Heated Oxygen Sensors (O2 Sensors) | | 9 | 10A | ABS Control Module |
| Position | Amperage (A) | Circuit / Component | |----------|--------------|----------------------| | 1 | 15 | Heated washer jets, turn signals, backup lights | | 2 | 10 | License plate light, side marker lights (left) | | 3 | 5 | Instrument cluster, automatic transmission indicator (PRNDL) | | 4 | 15 | Front fog lights | | 5 | 15 | Windshield wiper/washer system | | 6 | 20 | Fresh air blower (heater/AC fan) | | 7 | 10 | Tail lights (right), side marker lights (right), cigarette lighter illumination | | 8 | 10 | Tail lights (left), parking lights (left) | | 9 | 20 | Rear window defogger | | 10 | 15 | High beam (right headlight) | | 11 | 15 | High beam (left headlight) | | 12 | 10 | Low beam (right headlight) | | 13 | 10 | Low beam (left headlight) | | 14 | 10 | Engine control unit (ECU), fuel pump relay (some models) | | 15 | 25 | Automatic transmission control unit, cruise control, ABS | | 16 | 15 | Horn, brake lights | | 17 | 10 | Interior lights, central locking, glove box light, trunk light, radio memory | | 18 | 25 | Radiator fan (low speed), AC compressor clutch | | 19 | 30 | Power windows (front) | | 20 | 30 | Power windows (rear) | | 21 | 15 | Cigarette lighter, diagnostic connector, OBD port | | 22 | 15 | Radio, amplifier (Bose system) | | 23 | 5 | Instrument cluster illumination, dimmer | | 24 | 15 | Turn signal flasher unit | | 25 | 30 | Heated seats (if equipped) | | 26 | 15 | Engine management (injectors, ignition coils – varies by engine) | | 27 | 15 | Rear fog light(s) | | 28 | 15 | Fuel pump (gasoline engines) | | 29 (late models) | 15 | ABS control module (separate from main ABS fuse) | , each assigned to specific electrical circuits
The Audi A4 B5 primarily utilizes two locations for its fuses and relays:
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