Alarm Horn (H12)

Alarm Horn (H12)

Special tools, testers and auxiliary items required

• Drill (VAS 5134)

• 6 mm spiral drill

• Pop Rivet Pliers (VAS 5072)

The alarm horn is located at the right on the A-pillar inside the fender.

• To remove the alarm horn, the anti-theft alarm system must be deactivated. Refer to=> [ Anti-Theft Alarm System, Activating/Deactivating ] Anti-Theft Alarm System, Activating/Deactivating.


• Turn off the ignition and all electrical consumers.

• Remove the key.

Removal

- Remove the right front wheel housing liner.

- Using the (VAS 5134) and a 6 mm spiral drill, drill out the two pop rivets - arrows -.






- Use small screwdriver to release and disconnect electrical connection - 1 - through opening in housing - 2 - and remove alarm horn - 3 - from wheel housing.






- Remove the rest of the blind rivet - arrows - from the holes in the body.






Installation

• Remove all metal shavings through the drilled holes.

- Apply corrosion protection.

• For reasons of clarity, the alarm horn is not depicted in the following illustrations and thus the connector is not connected.

- Install the alarm horn (H12) clip - 2 - into the opening in the body - 1 -.






- Install the alarm horn with new blind rivets.

- Install the right front wheel housing liner.

Checking the Alarm Horn

The Alarm Horn (H12) can be checked using output Diagnostic Test Mode (DTM) of the Comfort System Central Control Module (J393). Refer to=> [ Output Diagnostic Test, through MY 09 ] Output Diagnostic Test, through MY 09.