LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

Immobilizer? LS400 Won't start after battery disconnected

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Old 01-11-13, 08:11 PM
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TonytheHIT
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Default Immobilizer? LS400 Won't start after battery disconnected

Hello,
I have been lurking around the forums for info and what-not for the last few months when I bought my LS. I never got around to posting anything, and I hate that my first post has to be an issue I can't seem to resolve. I've searched and searched, but, I'm stumped.

So, I decided to run the wires and install my aftermarket subs that I have been meaning to do. I disconnected the battery and I followed the "DIY Sub install without drilling anything" thread. Everything went smooth, subs worked, interior all back together, and went to start the car, and no crank. I am getting power to everything - seats, windows, locks, radio, lights, etc. Just won't crank at all. I'm guessing it's some sort of immobilizer, or security issue, as I have back tracked everything I did, and can't seem to figure it out.

Anyone encounter this issue before? If so, can anyone shed some light on the situation?

Thanks, any help would be appreciated!
Old 01-11-13, 08:12 PM
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TonytheHIT
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Sorry, I forgot to mention it's a '92 LS400.
Old 01-11-13, 09:10 PM
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TonytheHIT
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Okay, so after bashing my head against the wall, I was able to figure it out.

I did more research, and it turned out to be my 7.5a fuse for the "ST" slot. Idiot me, I assumed that was an extra fuse, that so happened to be the right one I needed for my blown radio fuse. Ran to the store, bought new fuses, plugged it in, and started right up.

I feel embarrassed, and relieved. Haha
Old 01-11-13, 09:58 PM
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PureDrifter
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yeahh lack of a starter fuse would be a significant impediment when starting your car.
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