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G35 Coupe V35 2003 - 07 Discussion about the 1st Generation V35 G35 Coupe

OBD/CEL -unable to read codes!

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Old 02-26-2020, 01:46 AM
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OBD/CEL -unable to read codes!
03 Coupe, 5AT, owned since 2004. Not sure what caused my OBD to be unreadable, but it is a concern. I have an occasional CEL, but she rides fine. No real need to plug in for emissions as car is 15+ years old, but I really am baffled here. Did swap a new battery in, not sure if something got zapped.. please advise!! thanks!!
 
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Old 02-26-2020, 07:14 AM
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I think I remember someone mentioning there is a fuse for the OBD. It wont get power if the fuse is popped.
 
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Old 02-26-2020, 08:50 AM
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Get a pin schedule for OBD2 protocol ISO 9141-2 and make sure you have 12v and ground. Don't use a test light, you need a DMM for it.
 
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Old 02-26-2020, 06:16 PM
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Thx.. will try it
Might be a few days til I can
 
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Old 03-07-2020, 12:11 AM
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It was a fuse... right at batte
So.. it was just a fuse, at the battery. Bunch of blind bats around my car lately lol
 
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Old 03-07-2020, 02:10 AM
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Care to show us which fuse? People might come across the same issue in the future and it’ll help them out.
 
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Old 03-07-2020, 12:00 PM
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Old 03-07-2020, 02:01 PM
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10 Amp.. likely the only 10A that's inches from the battery terminal. A tester was better than all of our naked eyes
 
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