No A/C. Bad Ecu? - D-series.org

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Old 05-22-2017, 04:47 PM   #1 (permalink)
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Default No A/C. Bad Ecu?

Anyone had trouble while using chipped ecu? Obd1 Civic Ex, chipped p28.

Seems to have power everywhere, pressure switch, and relay. Swapped relay with cond. fan relay, all good. Can jump the compressor clutch wire and manually turn on the compressor. I made sure freon pressure was ok, 35-40 low side, ~200 high side.

Only other variable I know of is the ecu.
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Old 05-24-2017, 05:37 PM   #2 (permalink)
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Swapped in a different chipped ecu. AC kicked right on. Need to adj*st the IACV duty some.
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Old 05-24-2017, 05:57 PM   #3 (permalink)
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Good to hear you won't be suffering through the heat this summer!
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