A/C compressor clicks on but immediately shuts off

Tiny
TUFF BISMUTH
  • MEMBER
  • 1997 TOYOTA 4RUNNER
  • 3.4L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 208,000 MILES
When I press my A/C switch in the cabin, the green light comes on steady, but the air is hot. I can see and hear the compressor clutch kick in, but it only kicks in for about a second and disengages. I'm curious if this is a low Freon indication, a bad mg clutch relay (if there is one on my model/year, bad compressor or a combination of all). I'm green to solving A/C issues and understand it's complicated, but was hoping to trouble shoot at the lowest end before I take it to a qualified tech. Thank you in advance. This is a very informative site.
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Tuesday, May 4th, 2021 AT 6:27 PM

1 Reply

Tiny
ASEMASTER6371
  • EXPERT
Good evening,

This sounds like it is low in Freon. I would recover the Freon, evacuate the system for 40 minutes, and add the correct amount of Freon.

https://www.2carpros.com/articles/car-air-conditioner-not-working-or-is-weak

https://www.2carpros.com/articles/re-charge-an-air-conditioner-system

I attached a wiring diagram for you of the system. It does sound like it is low in Freon.

https://www.2carpros.com/articles/how-to-check-wiring

https://www.2carpros.com/articles/how-to-use-a-voltmeter

Roy
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Tuesday, May 4th, 2021 AT 6:37 PM

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