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2006MY XC90 Air Quality Sensor

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Old Jun 13th, 2016, 14:07   #21
gmonag
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My AQS failed with an internal fault - I forget the code, and produced those symptoms. Removing it cleared the problems. Fitting the VW part brought the symptoms back. Hopefully the Hella part will work OK.

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Old Jul 6th, 2016, 18:45   #22
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OK I'm back from my hols and I have fitted the Hella part. It works perfectly, so go ahead and order one and save many £s.

See http://www.volvoforums.org.uk/showpo...8&postcount=14

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Old Nov 5th, 2017, 08:47   #23
keng
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@Looops

Could you help to show where is the location of air quality sensor? I removed quite some stuffs and i could see the fan blower... however i cannot find the sensor.

thank you.
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Old Nov 5th, 2017, 09:10   #24
SwissXC90
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Quote:
Originally Posted by gmonag View Post
OK I'm back from my hols and I have fitted the Hella part. It works perfectly, so go ahead and order one and save many £s
Hi gmonag
What MY is your Volvo?

The AQS sensor varies by MY, there are at least 2 types available
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Old Nov 5th, 2017, 11:11   #25
gmonag
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Quote:
What MY is your Volvo?
2005 163hp
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Old Nov 5th, 2017, 11:13   #26
gmonag
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Quote:
where is the location of air quality sensor?
It is under the windscreen scuttle (LH side), in the cabin air intake . Remove the windscreen wiper arm and several plastic rivets holding the scuttle, then you can reach into the intake and remove it with a 1/4 turn.
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Old Jan 3rd, 2018, 02:30   #27
cchidzey
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Hi, seems I've got the same problem. AQS failed last year, didn't make any difference to anything other than I don't like the fault code there.
Fitted a VW one, problem solved.
This week, passenger side blows cold air only, windscreen demister only blows on drivers side, passenger side heated seat doesn't work.
Tried a re-calibration on the damper motors, VIDA just freezes up (over 45 mins).

Fault codes:
CCM-DD00 LIN bus Incorrect Data
CCM-0073 Configuration Fault , Calibration not done
CCM 0040 AQS Internal Fault.

Think after reading your posts I'll disconnect the AQS before I start ripping the dashboard out!
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Old Jan 3rd, 2018, 11:23   #28
gmonag
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Yep, those are the AQS sensor internal fault symptoms.
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Old Jan 3rd, 2018, 19:32   #29
dwaine dibbley
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Yep, as Jmonag says, they are definitely AQS faults.

I ended up just fitting the old genuine faulty Volvo sensor back in a few years ago. I can live without the sensor working properly, it’s not too important to me.
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Old Jan 5th, 2018, 15:25   #30
cchidzey
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OK gents, this morning I've refitted the original faulty sensor.
Problem solved, heat to the passenger side again, passenger seat heaters working properly, windscreen demisting fully!

Thanks for the advice, my next step would have been to start stripping out damper motors!
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