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Hacking up Honda's ECU
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 Post subject: Testing A/C output
PostPosted: Thu Dec 15, 2016 5:33 pm 
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Joined: Tue Jul 27, 2004 2:16 am
Posts: 463
Location: Puerto Rico
Have a customer complaining that his compressor is stuck ON. I swapped the STA413 transistor with no change. The A/C lines are on connector A6 from STA413 pin #5 and connector B6 from H1C2 pin 21. Can someone confirm taking one of these pins "high" or "low" will activate the A/C output?


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 Post subject: Re: Testing A/C output
PostPosted: Sat Dec 17, 2016 2:23 am 
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Joined: Tue Sep 02, 2014 12:54 am
Posts: 53
Did you test with A6 disconnected from the ECU plug , to see if the clutch is still engaged?
It could be a problem coming from the A/C clutch control module if this car have one.
Is it an auto or classical A/C ? Could you tell us what model of car it is?


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