Another Air Suspension Inactive topic...

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Ziggy333

New Member
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I've recently fitted a set of 22" alloys to my L322 - it originally had the 19" 6 spokes on it. The car drives fine for about 15 - 20 miles along the motorway and then I get the "Air Suspension Innactive" warning on the dash. It only ever happens on motorway driving and its only started since I fitted the 22's. I've drove the car for long journes before I never had this problem. I don't get the warning when Im doing my daily commute to work which is roughly the same length of time 20/30 mins but only about 5 miles.

Has anyone else every experienced a fault like this?

Thanks
 
What fault codes are stored on diagnostics?

The car will care not what tyres/rims it has on it.....it measures height from a sensor attached to a linkage on the suspension....it measures that position not the actual height of the vehicle off the ground....

Need it on Diagnostics first.
 
May it have picked up a bit of crap on the sensor track if the wheels were dangled out of normal travel while doing the wheels?
 
Saint.V8 said:
What fault codes are stored on diagnostics?

The car will care not what tyres/rims it has on it.....it measures height from a sensor attached to a linkage on the suspension....it measures that position not the actual height of the vehicle off the ground....

Need it on Diagnostics first.
Click to expand...


I've not had the codes read yet,do you know if I will have to take it to an Indie or will a code reader be able to pick up the codes?
 
brianp38dse said:
May it have picked up a bit of crap on the sensor track if the wheels were dangled out of normal travel while doing the wheels?
Click to expand...


Yeah maybe but I would assume that it would come up with the error message all the time, its only doing it on motorway journeys after about 20 mins / half an hour. I can drive around the city for over an hour and it doesn't come up. :confused:
 
Ziggy333 said:
I've not had the codes read yet,do you know if I will have to take it to an Indie or will a code reader be able to pick up the codes?
Click to expand...
Has to be Land Rover specific diagnostics, a generic code reader won't communicate with the EAS system.

Dealers use something like the T4 Testbook, some indies us a Snap On system, others use Autologic, the home user has the options of the RSW All Comms, Faultmate range of products from Blackbox Solutions, iCarSoft, GapDiagnostics IIDTool, Bearmach Hawkeye, Britpart Lynx....among others.

But it does need to be capable of reading Land Rover systems.
 
I know little of these things, but when you get on the motorway you air suspension is designed to lower. Maybe it's not working so you are getting a fault code. It won't do it around town so no code coming up. Does your car go up and down correctly on the button?
 
It's clearly speed related. They are designed to lower at fifty mph and over. However, a little digging says these models can suffer this exact problem if you had a flat battery or changed the battery.

Have the battery and the alternator output checked before spending zillions. There was a member who had an overheating alternator, they are common enough faults so it is possible your alternator isn't a happy bunny and the long run is causing a bit of a problem for it....

Try re-setting the steering sensor. Start engine, handbrake on, N or P and steer fully one way then fully the other way and that will re-set it. If the fault reoccurs, have battery & alternator checked out.
 
Last edited:
Doo said:
It's clearly speed related. They are designed to lower at fifty mph and over. However, a little digging says these models can suffer this exact problem if you had a flat battery or changed the battery.

Have the battery and the alternator output checked before spending zillions. There was a member who had an overheating alternator, they are common enough faults so it is possible your alternator isn't a happy bunny and the long run is causing a bit of a problem for it....

Try re-setting the steering sensor. Start engine, handbrake on, N or P and steer fully one way then fully the other way and that will re-set it. If the fault reoccurs, have battery & alternator checked out.
Click to expand...
L322 is 60mph and over......
 
NVB said:
I know little of these things, but when you get on the motorway you air suspension is designed to lower. Maybe it's not working so you are getting a fault code. It won't do it around town so no code coming up. Does your car go up and down correctly on the button?
Click to expand...

Hi, yeah the car goes up and down fine on the button.

I've had it for a couple of years now and not had any issues with it on long or short journes until I fitted the 22's a few months ago.
 
Doo said:
It's clearly speed related. They are designed to lower at fifty mph and over. However, a little digging says these models can suffer this exact problem if you had a flat battery or changed the battery.

Have the battery and the alternator output checked before spending zillions. There was a member who had an overheating alternator, they are common enough faults so it is possible your alternator isn't a happy bunny and the long run is causing a bit of a problem for it....

Try re-setting the steering sensor. Start engine, handbrake on, N or P and steer fully one way then fully the other way and that will re-set it. If the fault reoccurs, have battery & alternator checked out.
Click to expand...

I had a new battery about 18 months ago and all was fine. The problem has only started since I purchased the 22" alloys. I might have to have the codes read in the end and see whats up.

I was actually considering getting the suspension recalibrated anyway as I thought it was sitting a little high on the 22's anyway.

The steering angle rest works everytime, whenever I get where Im going on my journey once I get back into the car and restart it and go left to right...
 
does the l322 have the eas lock button like the p38?
if so, lock it in motorway height to see if you can force a code alert?
or lock in road height. Maybe it will highlight the problem??
 
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