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post #1 of 12 (permalink) Old 11-08-2012, 03:43 PM Thread Starter
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Emissions inspection hookup under the dash

My 00ES has a broken hook up for the emissions scanner under the dash. I suspect the guy who replaced my condenser did it when he pulled the dash, but I can't prove it. The pins on the under dash hookup (what is the name of that thing?) are out of place. I tried to put them back in the right place according to the FSM, but I can never get any readings on my OBDII. Of course it will fail emissions inspection when it is due in February. Can that hookup be replaced? Is it difficult? Are there any other alternatives?
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post #2 of 12 (permalink) Old 11-08-2012, 04:26 PM
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Originally Posted by drynoc View Post
My 00ES has a broken hook up for the emissions scanner under the dash. I suspect the guy who replaced my condenser did it when he pulled the dash, but I can't prove it. The pins on the under dash hookup (what is the name of that thing?) are out of place. I tried to put them back in the right place according to the FSM, but I can never get any readings on my OBDII. Of course it will fail emissions inspection when it is due in February. Can that hookup be replaced? Is it difficult? Are there any other alternatives?
That is the "Data Link Connector"

You can cut one from a boneyard vehicle and splice it in with average skills.
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post #3 of 12 (permalink) Old 11-08-2012, 04:35 PM
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I personally would Cut one out of a junkyard car and learn how to depin it so I could avoid cutting and splicing. I tend to do things the hard way though.
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post #4 of 12 (permalink) Old 11-08-2012, 05:31 PM
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Since when did VA do an emissions check? I had my inspection done last month, CEL was on, still passed.
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post #5 of 12 (permalink) Old 11-08-2012, 08:33 PM
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Since when did VA do an emissions check? I had my inspection done last month, CEL was on, still passed.
It could be like MO. We only do emissions in the metro areas.
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post #6 of 12 (permalink) Old 11-08-2012, 08:39 PM
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If you do go the junkyard route try and find one from the same year as your car. Also, you can just pull the pins out and re-pin the connector with an unbroken one.
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post #7 of 12 (permalink) Old 11-08-2012, 11:58 PM
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It is never a good idea to splice wires coming to or from a computer as it will increases the resistance in the wires and could harm the computer or sensors! If you need to splice they need to be twisted together and soldered and then heat shrunk! My dad has worked at Chrysler for over 20 years and this is standard practice!
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post #8 of 12 (permalink) Old 11-09-2012, 12:34 AM
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It is never a good idea to splice wires coming to or from a computer as it will increases the resistance in the wires and could harm the computer or sensors! If you need to splice they need to be twisted together and soldered and then heat shrunk! My dad has worked at Chrysler for over 20 years and this is standard practice!
You contradicted yourself in this statement. The best splices are soldered and heat shrunk. It is still a common practice among us at dealerships to splice as needed. However, the data link connection can be best described as a splice between two computers.
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post #9 of 12 (permalink) Old 11-09-2012, 10:52 PM
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Sorry I tried to say butt splices are never a good idea
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post #10 of 12 (permalink) Old 11-14-2012, 09:00 AM Thread Starter
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Thanks guys

Appreciate all the responses. Scooter, emissions are done before you can re-new license plates in northern VA, and if the CEL is on, you fail. If the data link doesn't work, you fail. I just cleared the codes on my daughter's 02ES (the usual 0440 stuff) and took it to an inspector, but since I had just cleared the codes, the emissions computer couldn't see the car's computer and I got a "no test". The inspectors recommendation: drive it 100 miles and then bring it back. As for the 00ES, I'll try again to fix the current setup before I replace the whole thing.
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post #11 of 12 (permalink) Old 11-14-2012, 05:13 PM
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Wow - that's news to me. I have the classic EVAP codes (P0456, P0442) and it passed with the CEL on. I better make sure the tags never expire. Need to look on Va State Police website for this Inspection requirement. Thanks.
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post #12 of 12 (permalink) Old 11-14-2012, 10:20 PM
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The 100 mile trip is a bit excessive. If you have a scanner available, you can check the OBDII system for "Readiness" which simply stated, means the system has passed all the tests necessary to determine if it needs to turn the check engine light on or not. If it passes it's own criteria, then the system is ready to accurately detect emission event DTC's

Also, we have a porter who frequently does this for us and has perfected the drive to about 15 miles. I think he drives on moderately hilly terrain at 40 and 50 MPH ranges.

Here in MO, I think we are granted two readiness exemptions for '96 - '00 gasoline vehicles and '01 and up only are allowed one exemption.

In either case, the car still has to be presented w/o a CEL but, the CEL has to pass a bulb test. So just poking it out doesn't solve the issue.
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