A/C light will not turn on

Tiny
SHWANA77
  • MEMBER
  • 2000 TOYOTA AVALON
  • 3.0L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 145,000 MILES
I have checked all fuses and relays and they are fine. What do I do now?
Sunday, March 8th, 2020 AT 8:34 AM

2 Replies

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
We need to start with checking for codes. The A/C light not turning on is normally a relay or power feed issue. However, if the relays and fuses are okay then more than likely we have a circuit issue or control module issue. This would lead to us having a code in the system that will point us in the correct direction. At this point we will need to run through the test it lays out.

If there are no codes then we will need to start testing for power at the module which will be much more complicated so hopefully we have some codes.

Let me know and we can go from there. Thanks.
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Sunday, March 8th, 2020 AT 8:52 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,904 POSTS
On some of these the AC will not turn on if the charge is low. please use this video to check to see if that is your problem:

https://youtu.be/uZrQCGwXfek

Please let us know what you find.
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Monday, March 9th, 2020 AT 2:42 PM

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