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RX300 Air Suspension

jnh
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jnh Newbie

jnh

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So the air suspension off light came on a couple of days ago. Booked it into the local garage to get the diagnostics read. I assumed it would be the air bags leaking or maybe the ride height sensors.

Garage 'reset and calibrated' the air suspension and stated the Battery not holding full charge which means the ECUs were not communicating. They recommended Battery be replaced. I had this replaced in Dec 2014, so still under warranty (Yuasa 12V HSB013). Took it to place I bought Battery. They did test with handheld device with car off / on / all electrics on, high beam, etc and Battery is fine.

I'm happy to have postponed a large bill but am not 100% I have the correct root cause is. None of the forums posts I have seen on RX air suspension mention a similar issue. The codes the garage found were B1400 (air con communication); B1261 (engine comm); B1279 (read ecu comm); B1281 (air bag comm); and B2701 (instrument comm).

My thoughts are to attempt to install Techstream (& buy the right lead) and see if I notice any of the struts leaking air. Anyone have any experience of the suspension being affected in this way? Thanks, Jason.

 

 

 

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PCM Grand Master

PCM

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Is it still sitting flat and feeling as normal?

Was it a Lexus garage?

( Could it be something as simple as a broken/disconnected wire? )

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jnh Newbie

jnh

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The suspension shows as working on the dashboard, so the off light no longer shows however the ride had not improved. I suspect there is a leak on the driver's side which I need to investigate.

No, wasn't a Lexus garage. Nearest is Coventry which is about 30/40 minutes. I did try Toyota but they wanted money just to look at it... 

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PCM Grand Master

PCM

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On 29/12/2016 at 4:41 PM, jnh said:

The suspension shows as working on the dashboard, so the off light no longer shows however the ride had not improved. I suspect there is a leak on the driver's side which I need to investigate.

No, wasn't a Lexus garage. Nearest is Coventry which is about 30/40 minutes. I did try Toyota but they wanted money just to look at it... 

Did the issue get fixed?

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