A/C compressor does not turn on

Tiny
SASHO
  • MEMBER
  • 2006 VOLKSWAGEN JETTA
  • 1.9L
  • 4 CYL
  • TURBO
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
I recharged the system, changed the solenoid valve on the compressor and still nothing happens. Is there any way to run the compressor bypassing some sensors?
Sunday, June 23rd, 2019 AT 11:17 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
That compressor has an internal clutch so it is hard to tell if the compressor turns on or not. here is the wring diagrams so you can see how it works. there is a relay and fuses that run the system which I would check and check with a test light if the compressor is getting power. Here is a guide to help you:

https://www.2carpros.com/articles/how-to-check-a-car-fuse

and

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

The wiring diagrams show the fuse and relays to check. Check out the diagrams (below). Please let us know what you find.
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Monday, June 24th, 2019 AT 7:15 PM

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