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Senior Member
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Join Date: Jul 2012
Location: Odessa/Midland TX
Posts: 3,711
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Senior Member
Join Date: Jul 2012
Location: Odessa/Midland TX
Posts: 3,711
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The clutch disengages when the RPM is below its idle, I saw it in my 92 corolla. I could not find any issues, and at one point I turned the steering and it increased the RPM, and very next second I heard AC compressor kicking in! Then saw AC comes on with higher RPM. Replaced the VSV valve (idle-up control valve) and all good.
Check your IAC valve. That is what controls your idle-up in the 5vzfe.
On a side note, 2UZFE (landcruiser) has a rpm sensor in the compressor! It checks the compressor RPM with engine rpm. If those are not related, ECU disengages the compressor!
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Linear Mode
