Small horn in engine bay

3975 Views 4 Replies 4 Participants Last post by midcow3, Aug 26, 2011

11LFCH

Discussion Starter · Aug 25, 2011 (Edited)

I know the main horn for the CT is located in front of the radiator and they are LOUD. But I'm curious what looks like a small horn next to the engine is use for. I could not find a description or reference in the manual (unless I miss reading it).

Here's a picture of the small horn I'm referring. Anyone know about this?
Thanks.

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kalo925

· #2 · Aug 25, 2011 (Edited)

11LFCH said:
I know the main horn for the CT is located in front of the radiator and they are LOUD. But I'm curious what the small horn next to the engine is use for. I could not find a description or reference in the manual (unless I miss reading it).

Here's a picture of the small horn I'm referring. Anyone know about this?
Thanks.

Probably not a horn... Interesting looking though. I've never opened my hood. Might be time to have a look.

Edit: I thought pressure switch.. but now I think it is the Alarm Horn...

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11LFCH

Discussion Starter · #3 · Aug 25, 2011

It the security horn.

11LFCH said:
I know the main horn for the CT is located in front of the radiator and they are LOUD. But I'm curious what looks like a small horn next to the engine is use for. I could not find a description or reference in the manual (unless I miss reading it).

Here's a picture of the small horn I'm referring. Anyone know about this?
Thanks.

Haha...found the answer to my own question.

Searching the web I learn the small horn by the engine is referred as "Security Horn". It works in conjunction with the factory alarm feature.

Why would Lexus put a small horn for alarm system?

Wonder if a siren will work in it's place.

Another mod idea?

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jimmyc13

· #4 · Aug 26, 2011

That's odd, I would have thought it just uses the normal horn for the alarm.

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midcow3

· #5 · Aug 26, 2011

Separate Alarm Horn ?

jimmyc13 said:
That's odd, I would have thought it just uses the normal horn for the alarm.

Just a SWAG, but normal horn could probably easily be defeated by thief by pulling fuse; also might be higher, more piercing pitch.

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