lexus, dome light

Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=97695
Printed Date: November 03, 2025 at 11:49 PM

Topic: lexus, dome light

Posted By: howie ll
Subject: lexus, dome light
Date Posted: October 05, 2007 at 5:06 AM

Did an alarm to an IS Lexus yesterday and had a problem. Dome light only comes on with ignition and have lost the key in ignition warning buzzer. I've checked all the fuses and had a look at the BCI box where everything seems intact. The dome light has RED / white as 12v+ and blue / YELLOW as the ground going feed.

Anyone come across this with an answer or suggestions? No my local Lexus dealer usually sends these problems to me!

Replies:

Posted By: KarTuneMan
Date Posted: October 05, 2007 at 11:08 PM

Was there any reason to tag the key sence? (did you cut it with a t-tap posted_image ) NOW THATS FUNNY.

Did you wire up domelight supervision? The dome doesn't come on with opening the doors?

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Posted By: howie ll
Date Posted: October 06, 2007 at 2:03 AM

When I started, domelight was working fine and door open warning worked on inst. panel. When finished domelight, clock and door open audible warning system don't work, except on ign. I've checked all the fuses had a quick look at steeering column, BCI box. It sounds like a fuse or a connector not "Rammed" home probably. These circuits are all lacking the permanent supply. Oh for a circuit diagramme so I at least know where to start.

Posted By: KarTuneMan
Date Posted: October 06, 2007 at 9:26 AM

I sent an email to a bud of mine to see if we can come up with those technical diagrames you want.

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Posted By: howie ll
Date Posted: October 06, 2007 at 10:51 AM

Thanks Gary

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