S2000 Under The Hood S2000 Technical and Mechanical discussions.

A/C Turns off while driving

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Old 12-12-2007, 03:10 PM
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Ok..... I grabbed my manual, and was going to scan some stuff for you... BUT, HVAC has litterally 50 pages or something rediculous! Check the relays!! I cant stress this enough! Is there anything else that doesnt work? Ive had to replace my Ignition 2 relay, and the AC goes through that. There are a few relays for the HVAC controls, so... go buy a few, and start replacing. I believe they are pretty cheap! Relays, relays relays! Any problems I have had (Radio failure, ignition switch failure etc) were all traced back to 2 bad relays. When you check them, they WILL function, but are bad. The 2 that I replaced show full proper operation when tested, but are both bad. I cant explain it, but when I switched out the relays, all problems dissappeared. I hope this helps. If you need me to look in the manual for something more exact, ask and ill pull out the manual.

Chad
Old 12-12-2007, 03:12 PM
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You can buy the FSM at www.helminc.com

All online copies are illegal copies of copy-written material
Old 12-12-2007, 03:32 PM
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True.... it isnt much $$... and worth its weight in gold, but if I can help with looking up a few things for you, I will.


Chad
Old 12-12-2007, 04:02 PM
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Thanks Chad. Are all the relays the same on these cars? I remember my 240 used 3 or 4 different types. Does the Manual have a part # I can refer the dealer to. Thanks.
Old 12-12-2007, 04:06 PM
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Originally Posted by 8 GRAND,Dec 12 2007, 04:10 PM
When you check them, they WILL function, but are bad. The 2 that I replaced show full proper operation when tested, but are both bad. I cant explain it, but when I switched out the relays, all problems dissappeared.
FWIW, I've seen a relay (in a 2nd gen eclipse, not an s2k) start to work backwards for no apparent reason. Turn the key to start and the starter relay would disconnect but was connected otherwise, it was very weird and I definitely can't explain that since a relay is just a coil and a switch.
Old 12-12-2007, 05:13 PM
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It doenst give a P/N in the manual that I can see. Take out the relay, and go to an autozone or whatever. They can match it there, rather then going to Honda.


Chad
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