C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

"INFL REST" warning light!! Help!?

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Old Jun 1, 2003 | 02:49 AM
  #1  
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From: n.charleston s.c.
Default "INFL REST" warning light!! Help!?

Recently my info. center is showing this warning. Also a little picture of a seatbelt is illuminated on the dash. Can anybody help explain what might be causing my problem? Do I really have a problem? Do i need to (Shudder) take it to a "mechanic". :confused:
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Old Jun 1, 2003 | 03:08 AM
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Default Re: "INFL REST" warning light!! Help!? (jgilbert)

I dont even need to look at your sig but I'll bet that yours is a 1990 right? I thought so. Seems like every 90 model has this sooner or later. If you can change your own battery you can fix this yourself. Theres a how-to in the tech tips section and it does work. I did it on my 90. No need to take it to a mechanic. Read the tech article and use it but basicaly its just a clean and reinstall then reset the sensor on the frame rail. After a while it loses its ground to the frame and sets the code. Good luck. BTW, I used to live in Summerville, Goose Creek and even Hanahan for a while. My ex wife used to be a cop down there in Hanahan.
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Old Jun 1, 2003 | 03:15 AM
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Default Re: "INFL REST" warning light!! Help!? (Dr. Evil)

DAMN!! That was quick.Somebody else who can't get to sleep! Thanks much. Jim :)
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Old Jun 1, 2003 | 11:31 PM
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Default Re: "INFL REST" warning light!! Help!? (jgilbert)

My 90 had the same problem. And it's only a problem in that year sometimes you can fix it by cleaning up the surface that the infl. rest. sensors are mounted on (frame rails) and sometimes the sensors are bad. The sensor on the passenger side was bad. I used an ohm meter to test them both. The wires from the sensors are covered by a yellow covering and can be found down where your feet rest on the inside of the car. You have to pull the carpet back some in order to see the wires. Then you can unplug them and test them with an ohm meter. If you give me a fax # I can send you the pages from the GM service manual. Also Mid America sells a code eraser tool and info on this repair in their catalogue
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Old Jun 2, 2003 | 12:37 AM
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Default Re: "INFL REST" warning light!! Help!? (pipe)

Holy smokes be careful using an OHM meter on those things. I'm surprised your airbag didnt deploy. An ohm meter used to test these things can, and will set off the airbag. Trust me on this. It WILL do it.
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Old Jun 2, 2003 | 11:05 PM
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Default Re: "INFL REST" warning light!! Help!? (jgilbert)

You must disconnect the battery first then you can unplug the connectors at the firewall from the inside then check with the ohm meter
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Old Jun 3, 2003 | 12:01 AM
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Default Re: "INFL REST" warning light!! Help!? (pipe)

Pipe, that helps alot. :thumbs: I just didnt want anyone going in there with the battery still connected and everything hooked up and sticking a meter on there. Doing it as you described would be ok but if you leave it connected... :nono:
You'll be doing this :cuss
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Old Jun 4, 2003 | 05:19 PM
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Default Re: "INFL REST" warning light!! Help!? (jgilbert)

Just wanted to know if you got it fixed yet?
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Old Jun 4, 2003 | 06:21 PM
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Default Re: "INFL REST" warning light!! Help!? (pipe)

Nope. I won't get to it for a while, due to lack of time. I'll do it someday soon.Would the MAD kit be a good idea?It's cheap enuf. I'm going to be taking a 2000 mile drive later this month.I just need to be sure i won't have an airbag blowing up in my face at 80 or so MPH. :eek:
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Old Jun 7, 2003 | 07:41 PM
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Default Re: "INFL REST" warning light!! Help!? (jgilbert)

Yep that's where I got mine. It includes the two pages from the GM Corvette shop manual and the small harness w/ button that hooks to your computer link under the drivers side dash. After I completed the repairs (new sensor on the frame) I used the tool to clear the code out and it never came on again GOOD LUCK LET ME KNOW HOW YOU MAKE OUT
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Old Jun 8, 2003 | 09:17 AM
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Default Re: "INFL REST" warning light!! Help!? (jgilbert)

Save yourself some time: Pull up the passenger-side carpet up high, and find the wires with yellow plastic sleeve. That's the sensor and connector. On my car, that connector has needed a good "wiggle" on two occasions. Each time I ran diagnostics, and it was the FR inertia sensor. Both times I rushed out and bought a new sensor, only to learn that I didn't need it (anyone want to buy an unused sensor still in the box)?

:cheers: -Bill
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Old Jun 8, 2003 | 01:00 PM
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Default Re: "INFL REST" warning light!! Help!? (jgilbert)

I have a question, If you do the fix before the light comes on ,will the light come on after because you messed with the sensors? :confused:
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Old Jun 13, 2003 | 11:35 PM
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Default Re: "INFL REST" warning light!! Help!? (jgilbert)

ttt
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