Air conditioning

Tiny
KOHLLINK
  • 1999 TOYOTA SIENNA

A/c light blinking. Jumped the compressor 37 psi low and 170 high side. When a/c is engaged with the a/c button the compressor comes on a few seconds then gets overridden by something. Sensor? Or a/c amplifier gone bad? Is here a low pressure sensor that I need to check? Where is it located?

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Tuesday, June 14th, 2011 AT 8:32 PM

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Tiny
WRENCHTECH
  • EXPERT
  • 20,624 POSTS

This will not be something you will have much luck finding. The compressor has an RPM sensor that the control head monitors. If the compressor stops or slows down for any reason, the control head will shut the system off. Very difficult to determine what caused it.

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Tuesday, June 14th, 2011 AT 11:00 PM
Tiny
KOHLLINK
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Is the compressor shot? The rpms do slow down when the compressor is engaged.
.

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Wednesday, June 15th, 2011 AT 12:10 AM

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