Quote:
Originally Posted by shorod
So how does the Gen II LS blend the air between the evaporator core and the heater cores? Does it just rely on modulating the DCCV?
-Rod
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Yes, it does.
Quote:
Originally Posted by shorod
Re: Dual climate control blowing heat on AC
I took another look at the pinpoint tests for the 2004 and there is no mention of this being a false code.
-Rod
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The 2006 service manual mentions that it is a false code. The 2005 may as well, I don't know.
"B1265 1265 Cold Air Bypass Door Actuator Circuit Failure Invalid code. Vehicle not equipped with cold air bypass door actuator. Ignore this code and continue diagnostics."
Here is a link to the 2006 manual.
http://deneau.info/ls/
I strongly suspect that the gen I LS also didn't have a cold-air bypass door. I don't have a gen I LS to prove this by, but I have remotely assisted with troubleshooting on the gen I, and the failure symptoms for the DCCV just don't point to there being a bypass of the heater core. If there were, then you could still get cold air when the DCCV fails, and that doesn't seem to be the case. I think they planned for one, but couldn't fit it in. Of course, I could be wrong about the gen I, but I am certain about the gen II.