Allion Air Suspension Failure

Hi, I'm having trouble with my 2023 Toyota Allion hybrid with 107171 km on it. Recently, the air suspension seems to have completely failed. The car won't lift anymore, and it's leaning noticeably. I'm getting an error message on the speedometer, and a warning light is on. The low beams are shining at a weird angle. I scanned the error memory, and it's pointing towards a problem with the air suspension. I was suspecting the compressor, however, I located a possible defective cable or plug connection. Could this be the reason for the compressor failure? Has anyone experienced anything similar?

4 comment(s)

Hey there! I drive an older Toyota Allion myself, though not a hybrid, and I had a similar issue a while back. The leaning and the ride height problems are definitely signs of air suspension trouble. You mentioned a possible defective cable or plug connection, and that's a very likely cause. The air suspension system relies on a compressor, which is basically an electric pump that inflates the air springs. If the compressor isn't getting power due to a bad connection, it won't be able to maintain the correct ride height.

Thanks for the insight! The 'electric pump' explanation helps a lot. So, if it's just a bad connection, is there a way to confirm it before replacing the compressor? Any tips on how to test the cable or plug connection?

Glad I could help! Honestly, unless you're really comfortable with electrical testing, I'd advise against poking around too much. These systems can be sensitive. The best bet is to get it to a workshop that knows air suspension. They can properly diagnose the connection with the right tools and tell you for sure if the compressor is gone. In my case, it was corrosion inside the connector that stopped the current. The workshop changed the connector and everything was working again. They charged me 95€ for that.

Okay, I understand. I'll take it to a workshop for a proper diagnosis. Knowing your experience with a similar connector issue gives me hope it won't be a full compressor replacement! Appreciate the help!

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