Audi A3 Quiz
Body Electrical Equipment

Horn Removal, Installation and Inspection

In this manual: Body Electrical Equipment
Owner's Manual — 42Routine Care and Maintenance — 32Engine — 22Engine Cooling System — 9Ventilation, Heating and Air Conditioning Systems — 11Fuel System — 9Fuel Injection System — 4Diesel engine injection system — 5Exhaust System — 9Electronic Ignition and Fuel Injection Control System — 6Charging and Starting Systems — 12Manual transmission — 12Clutch and Drive Shafts — 6Brake System — 13Front Suspension — 5Rear Suspension — 6Steering — 7Body — 70Body Electrical Equipment — 37Wiring Diagrams — 35
~1min read

GENERAL INFORMATION

A high-tone and a low-tone horn are installed behind the front bumper on the left side. A relay is installed to protect the contacts between the horn button and the horn. When the horn is activated, the relay control circuit closes. REMOVAL

PROCEDURE

1. Remove the bumper; refer to Removal and Installation of Bumpers.

2. Unscrew the nuts (13 mm wrench) and remove the horn brackets.

3. Disconnect the connector by pressing in the locking tab. CHECKING

PROCEDURE

Connect the horn directly to the vehicle battery with an auxiliary wire. Connect the black/yellow cable contact to the positive battery terminal (+) and the brown cable contact to the negative battery terminal (–). The horn should sound. INSTALLATION

PROCEDURE

1. Install the horn brackets and secure them.

2. Connect the multi-pin connector.

3. Install the bumper; refer to Removal and Installation of Bumpers.

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A quick Audi A3 quiz: every answer comes with an explanation and a link to the manual page.