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97 Avalon Silver Spruce
97 Avalon
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276 Posts
Discussion Starter #1
Just went to get my car inspected in NY and my mechanic hooked it up to his computer but could not get a signal from the computer at the com port, i believe its com port #3 if im not mistaken, it is right below the steering column on the left side. My mechanic, and I checked the fuses, they all are good. I am stumped and so are my mechanic. Any ideas? I want to avoid takig it to the dealer. Any help is appreciated, thank
 

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Got Hardass?
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2,959 Posts
Com Port #3 has everything to do with the computer, not the Car. The OBD II port doesn't need fuses, it should be connected to the ECU Directly, sounds like a computer problem.
 

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97 Avalon Silver Spruce
97 Avalon
Joined
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276 Posts
Discussion Starter #4
Also, even though the car runs perfectly, could it still be a computer problem?
 

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97 Avalon Silver Spruce
97 Avalon
Joined
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276 Posts
Discussion Starter #5
Replaced the computer last night, still same thing today, no info from DLC #3. It's at the dealer now...I'm hoping its just a loose wire
 
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