Electrical equipment and devices of the car Audi A4 B5
On-board electrical equipment specifications
System type - 12 V, minus - on "ground" Lamps Power (W) Stop light (separate) 21 Brake light and rear side lights 21/5 Fog light (rear) 21 Headlights...
System type - 12 V, minus - on "ground" Lamps Power (W) Stop light (separate) 21 Brake light and rear side lights 21/5 Fog light (rear) 21 Headlights...
General information and precautions
Warning! Before starting any work on electrical equipment, read the warnings contained in the section " Safety first! " at the beginning of this manual and in...
Warning! Before starting any work on electrical equipment, read the warnings contained in the section " Safety first! " at the beginning of this manual and in...
Troubleshooting — General Information
Note: Before you begin, please refer to the Preconceptions section " Safety first! " (at the beginning of this guide). The following tests relate to general...
Note: Before you begin, please refer to the Preconceptions section " Safety first! " (at the beginning of this guide). The following tests relate to general...
Fuses and Relays — General Information
1. The main fuses and relays are located under the cover on the front panel on the right side. 2. To access the fuses, open the cover on the front panel (Fig....
1. The main fuses and relays are located under the cover on the front panel on the right side. 2. To access the fuses, open the cover on the front panel (Fig....
Steering column switches — removal and installation
Removal 1. Disconnect the negative battery cable as described in paragraph 1 . 2. Remove the steering wheel - see chapter 10 . 3. Unscrew the mounting screws...
Removal 1. Disconnect the negative battery cable as described in paragraph 1 . 2. Remove the steering wheel - see chapter 10 . 3. Unscrew the mounting screws...
Switches — removal and installation
Switches on the front panel 1. Using a small screwdriver, carefully pry the switch out of the front panel. Place a piece of cardboard or rag under the...
Switches on the front panel 1. Using a small screwdriver, carefully pry the switch out of the front panel. Place a piece of cardboard or rag under the...
Exterior lights and lamps — removal and installation
1. When replacing any lamp, please pay attention to the following. a) Disconnect the negative battery cable as described in paragraph 1 . b) Remember that if...
1. When replacing any lamp, please pay attention to the following. a) Disconnect the negative battery cable as described in paragraph 1 . b) Remember that if...
Interior Lighting Lamps — Removal and Installation
1. When replacing any lamp, please pay attention to the following. a) Disconnect the negative battery cable as described in paragraph 1 . b) Remember that if...
1. When replacing any lamp, please pay attention to the following. a) Disconnect the negative battery cable as described in paragraph 1 . b) Remember that if...
Headlights — removal, installation and adjustment
Headlights Removal 1. Disconnect the wiring connector at the rear of the headlight (Fig. 9.1). 2. As described in paragraph 7 , remove the nearest turn signal....
Headlights Removal 1. Disconnect the wiring connector at the rear of the headlight (Fig. 9.1). 2. As described in paragraph 7 , remove the nearest turn signal....
Instrument panel — removal and installation
Removal 1. Disconnect the ground wire from the battery. 2. Remove the steering wheel as described in chapter 10 . 3. Remove the upper steering column cover as...
Removal 1. Disconnect the ground wire from the battery. 2. Remove the steering wheel as described in chapter 10 . 3. Remove the upper steering column cover as...
Xenon headlight system — removal and installation of components
General information 1. Xenon headlights are installed on all A4 models as optional equipment. The headlights are equipped with gas-discharge lamps that operate...
General information 1. Xenon headlights are installed on all A4 models as optional equipment. The headlights are equipped with gas-discharge lamps that operate...
Lock Defroster — Removing and Installing Components
1. Some models are equipped with an automatic lock defrosting system. The electronic control unit controls the power supply to the switch in the driver's door...
1. Some models are equipped with an automatic lock defrosting system. The electronic control unit controls the power supply to the switch in the driver's door...
Windshield wipers — removal and installation
Windscreen wiper blades 1. See. Weekly checks . Windscreen wiper arms 2. If the wiper arms are not returned to their original position, turn on the ignition...
Windscreen wiper blades 1. See. Weekly checks . Windscreen wiper arms 2. If the wiper arms are not returned to their original position, turn on the ignition...
Windscreen Washers — General Information
1. All models are equipped with windshield washers. Station wagon models also have a fifth door glass washer, some models have headlight washers. 2. Windshield...
1. All models are equipped with windshield washers. Station wagon models also have a fifth door glass washer, some models have headlight washers. 2. Windshield...
Fifth Door Windscreen Wiper Motor — Removal and Installation
1. Disconnect the ground wire from the battery. 2. Remove the door trim panel as described in paragraph 14 of chapter 11 . 3. Remove the wiper blade and arm as...
1. Disconnect the ground wire from the battery. 2. Remove the door trim panel as described in paragraph 14 of chapter 11 . 3. Remove the wiper blade and arm as...
Horns — removal and installation
Removal 1. The horns are mounted on the left between the front bumper and the mudguard. They can be accessed by removing the left mudguard as described in...
Removal 1. The horns are mounted on the left between the front bumper and the mudguard. They can be accessed by removing the left mudguard as described in...
Electric sunroof drive — removal and installation
Manually closing the hatch 1. If the electric drive is faulty and the hatch is open, it can be closed manually. To do this, open the fuse box cover on the...
Manually closing the hatch 1. If the electric drive is faulty and the hatch is open, it can be closed manually. To do this, open the fuse box cover on the...
Central locking — general information and replacement of components
1. Most models are equipped with a central locking system that automatically locks the doors and boot lid when any front door is closed with the key. The...
1. Most models are equipped with a central locking system that automatically locks the doors and boot lid when any front door is closed with the key. The...
Radio — removal and installation
Note: The description in this paragraph applies to standard equipment only. Removal 1. The radio is equipped with special fasteners that require the use of a...
Note: The description in this paragraph applies to standard equipment only. Removal 1. The radio is equipped with special fasteners that require the use of a...
Antenna — removal and installation
Roof mounted antenna - Avant models 1. Disconnect the ground wire from the battery. 2. Remove the luggage compartment light from the ceiling. 3. Unscrew the...
Roof mounted antenna - Avant models 1. Disconnect the ground wire from the battery. 2. Remove the luggage compartment light from the ceiling. 3. Unscrew the...
Loudspeakers — Removal and Installation
1. The loudspeakers are installed in the trim panels of the front and rear doors and in the rear shelf. On Avant models, an additional "subwoofer" - a...
1. The loudspeakers are installed in the trim panels of the front and rear doors and in the rear shelf. On Avant models, an additional "subwoofer" - a...
Airbags — Information and Precautions
Warning! Before working on the security system, to prevent injury in case of unauthorized activation of the system, disconnect the battery. After finishing the...
Warning! Before working on the security system, to prevent injury in case of unauthorized activation of the system, disconnect the battery. After finishing the...
Security System Components — Removal and Installation
Note: Before performing the following operations, read the warnings contained in paragraph 22 . 1. Disconnect the negative battery cable as described in...
Note: Before performing the following operations, read the warnings contained in paragraph 22 . 1. Disconnect the negative battery cable as described in...
Anti-theft system — general information
Later models are fitted with an anti-theft system with immobilizer as standard equipment. If a fault appears in the system, have it checked by a dealer with...
Later models are fitted with an anti-theft system with immobilizer as standard equipment. If a fault appears in the system, have it checked by a dealer with...
Fuse box
Purpose of fuses 1 5A Heated windshield washer nozzles 2 10A Direction indicators 3 5A Headlight washers relay. Lighting: glove box, engine compartment, air...
Purpose of fuses 1 5A Heated windshield washer nozzles 2 10A Direction indicators 3 5A Headlight washers relay. Lighting: glove box, engine compartment, air...
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