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Old 05-15-2012, 05:30 PM
mustang1975 mustang1975 is offline
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2006 Frontier Crew Cab
Join Date: May 2012
Posts: 12

Originally Posted by mpe235 View Post
They could not have put in the wrong update. The way the Nissan scan tool is designed it will not let you install an update that doesn't apply to the vehicle. You definitely have to use the sensor that has the same connector as the one on the truck. The only way to tell if the ecm was updated would be to use a scan tool that can read the ecm ID. It will tell you what software version it has. Alot of technicians out there don't take the time to properly diagnose the vehicle. They just pull codes and change parts. They probably never looked at anything else.
They had the truck for 5 days and this is what they came up with!

Thanks again for your patience and insight!

I was able to get access to the 2007 and 2006 electrical drawings for the A/F sensor and they are in no way compatible. The ECM pins that receive the signals from the sensor are totally different. I have been sent on a wild goose chase!

What I intend to do is move the A/F sensor from the right side to the left and see if the failure follows the sensor.
If it doesn't, I will take the manifold off and look for cracks.

In hind sight I should have kept the old sensor around but I disposed of it.

Thanks Again for your help! I
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