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

Light (Infl Rest) on?

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Old Jun 25, 2014 | 08:41 PM
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Default Light (Infl Rest) on?

Ok, so I repaired my rack and pinion and steering shaft rag joint After I dropped it off the jacks and started it for the first time in a month, I get a Restraint Inflation light. I checked the flashing codes and I am getting a "26". How this happened from working on the steering I don't know. I checked all the connections in the area I was working and everything is tight.
Has anyone experienced this code 26 ? Any help would be great. Thank's!
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Old Jun 26, 2014 | 12:17 AM
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if you had to move the steering colum at all it would be my quess that you pulled a connection loose. Check that real good even if you do not see a connection all the way apart disconect it and redo it
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Old Jun 26, 2014 | 02:04 AM
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The SIR coil connector is at the column base and it's generally thought to be difficult to separate but it's certainly easy to ID. Everything SIR related is sheathed in yellow and connectors are yellow also. The code 26 is generally related to a column fault, I don't recall the year of your car.

If your car is a '91 see FSM 8A-201-20 for the connector location.

Checked your profile and for your '92 it's 8A-201-10 Book 2

Last edited by WVZR-1; Jun 26, 2014 at 02:27 AM.
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Old Jun 26, 2014 | 09:24 AM
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Didn't do anything to the column on the inside off car just the steering shaft. I will check that connection also. If all connections are good is there a sensor in the column that can go bad? The manual said to check the connection with some GM tool but im hoping I can use an OHM meter. Are all the parts on the outside of the column or do I need to open it up?
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Old Jun 27, 2014 | 12:38 PM
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Did you let the steering shaft spin in the column ?, maybe look up clockspring on the net.
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Old Jun 27, 2014 | 05:47 PM
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Originally Posted by Red 91
Did you let the steering shaft spin in the column ?, maybe look up clockspring on the net.
A person would have had to spin it many times to uncoil the clock-spring or to twist it to bind and breaking. If a child were playing "driver" with no intermediate shaft and the column "unlocked" I'd guess it's possible BUT I'd think quite doubtful that it could happen!

To check the coil/clock spring I would think you could disconnect the connector at the column base and REMOVE THE AIR BAG from the connector at the back-side of the module and then check the coil for continuity. Check a FSM before you proceed but it seems like there would be no other easy to accomplish the check.

Last edited by WVZR-1; Jun 27, 2014 at 07:21 PM.
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Old Jun 28, 2014 | 11:45 AM
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It was turned without an intermediate shaft but no spinning "to my knowledge".
So I was looking at the connections towards the base i.e. firewall inside of the vehicle. I found a large connection but nothing with the yellow wires???? You need to be a 12 yr old female gymnast to work under there, what a PITA.
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Old Jun 28, 2014 | 12:22 PM
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Originally Posted by C4vettrn
It was turned without an intermediate shaft but no spinning "to my knowledge".
So I was looking at the connections towards the base i.e. firewall inside of the vehicle. I found a large connection but nothing with the yellow wires???? You need to be a 12 yr old female gymnast to work under there, what a PITA.
The coil wire coming down the column is "for sure" sheathed in yellow and the connector is also yellow. The connector is a 2 - wire with I believe a CPA latching mechanism because it is SIR.
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Old Jun 29, 2014 | 01:20 PM
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Ok I see it in the manual. Was looking for the DERM itself which is behind my radio.
Dave, my book calls for GM tools to check the connections. Is this somthing I can do with a Ohm-Meter? I don't have manual #1 that you refere to above, my manual #2 does have a SIR diagnostic section, I have followed it to the part were I check the yellow two -way connector voltage using the some tool.

The more I think about the coil on the steering column the more it makes sense. Other than turning the wheel with the shaft off I didn't get close to anything else from the time I rebuilt the rack/pinion and the time I got this fault code. When I parked it to work on the frontend it was fine? Howmany times can the wheel be turned before this coil breaks inside?
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Old Jun 30, 2014 | 05:50 PM
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Found the connection "it was towards the top of column" The connection is clean and tight Without the SIR load tool or a Tech-1 not sure were to go next. Would a GM dealer still have a Tech-1 or is that an outdated diagnostic tool?
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