Super weird Yaris 2003 A/C problem - Toyota Yaris Forums

zoharby · 06-14-2017, 05:58 AM

Brand new compressor (or at least what they told me, it looks shiny and new...).
We were able to trigger the problem on the lift at the shop:
Compressor stops cooling above 50Km/h (wheels spinning in air on lift on 3rd/4th/5th gear) and above 2500 RPM. Compressor is still getting power (they put a LED on the line which stayed on). Would only kick back in when RPMs fall back to ~1000.

Seems like a compressor clutch issue, but we were baffled as to why the wheel speed has anything to do with it.

* They tried putting another wire in parallel from the battery directly to the compressor, did not change anything.
* When they disconnected the compressor wire from the normal feed and connected it to the battery directly (i.e. instead of the normal feed, not in parallel) the problem did not occur.

They are now changing the compressor again, let's hope it solves it

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06-14-2017, 05:58 AM	#5
zoharby Drives: Toyota Yaris 2003, 1.3 Manual Join Date: Jun 2017 Location: Israel Posts: 7	Brand new compressor (or at least what they told me, it looks shiny and new...). We were able to trigger the problem on the lift at the shop: Compressor stops cooling above 50Km/h (wheels spinning in air on lift on 3rd/4th/5th gear) and above 2500 RPM. Compressor is still getting power (they put a LED on the line which stayed on). Would only kick back in when RPMs fall back to ~1000. Seems like a compressor clutch issue, but we were baffled as to why the wheel speed has anything to do with it. * They tried putting another wire in parallel from the battery directly to the compressor, did not change anything. * When they disconnected the compressor wire from the normal feed and connected it to the battery directly (i.e. instead of the normal feed, not in parallel) the problem did not occur. They are now changing the compressor again, let's hope it solves it