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The A/C stopped blowing cold air while sitting in traffic

Tiny
OPFPILOT
  • MEMBER
  • 2010 TOYOTA COROLLA
  • 1.8L
  • 4 CYL
  • 2WD
  • MANUAL
  • 162,000 MILES
Blows hot air only. Thought it might be a compressor clutch relay. But, I can't find it. Any ideas?
Tuesday, April 30th, 2019 AT 3:56 PM

3 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good evening,

The first thing that needs to be checked is the pressures in the system. Without the proper pressure, the AC system will not come on.

Do you have a set of gauges to check the high and low side pressures?

I attached a wiring diagram for you. There is nor relay. The control head sends power to the compressor when it gets the correct signal from the pressure switch.

Roy
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Tuesday, April 30th, 2019 AT 4:17 PM
Tiny
OPFPILOT
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Thank you Roy, I'll give that a try.
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Tuesday, April 30th, 2019 AT 4:22 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
You are welcome.

Keep us updated.

Always glad to help.

Roy
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Tuesday, April 30th, 2019 AT 4:27 PM

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