2003 GX470 AC system not working
10-06-18, 04:54 PM
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2003 GX470 AC system not working
hi all- recently my AC stopped working all together. Not even any hot/cold air blowing at all. My AC screen shows up on my dashboard and says it’s on high blast, but nothing comes out the vents. It happened a few weeks ago for a while then randomly kicked on after I hit a speed bump and worked perfectly with cold air. It was good for a few days then happened again. This seems to be maybe an electrical issue/short since it’s all of a sudden kicking in? I’ve tried researching connections in the engine for AC components to check the wirings but haven’t had much luck. I’m hoping someone has some insight or that it magically starts working again! Thanks in advance!
10-06-18, 05:08 PM
#4
You have to pull out the entire radio navigation panel Its not difficult but that's the only way to get to the multiple connectors. You also can run diagnostics do a search on the forum for that There are lots of threads on the diagnostics.
10-06-18, 05:21 PM
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Yeah. I might have to do that but of course don’t have the tools I’ll probably need to remove th panels. I did the diagnostic and it showed codes 21 and 24. Any advice?
10-07-18, 05:53 AM
#7
Make sure you're in the sunlight when you do the diagnostic test. I received the same codes (21 & 24) when I did the test in my garage during evening hours. Once in the sun light, code returned was 00
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10-07-18, 06:16 AM
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