Air Quality Sensor
#1
AudiWorld Member
Thread Starter
Air Quality Sensor
VCDS reports my Air Quality Sensor has gone bad or has a short. I have reset this fault in the past and it comes back. Is this unit used for determining how much fresh air to let in the cabin?
Address 08: Auto HVAC Labels: None
Part No SW: 4E0 910 043 A HW: 4E0 820 043 B
Component: KLIMAAUTOMAT 016 0340
Revision: 00000027 Serial number: 00000000052496
Coding: 1052993
Shop #: WSC 02311 785 00200
VCID: 1B3E3C3BA33E
Part No: 4E0 910 772 A
Component: Sitzluefter FS H02 010
Part No: 4E0 910 772 A
Component: Sitzluefter BFS H02 010
1 Fault Found:
01592 - Air Quality Sensor (G238)
010 - Open or Short to Plus
Freeze Frame:
Fault Status: 01101010
Fault Priority: 3
Fault Frequency: 1
Reset counter: 139
Mileage: 136236 km
Time Indication: 0
Date: 2011.04.01
Time: 17:58:27
Freeze Frame:
Temperature: 36.0°C
Address 08: Auto HVAC Labels: None
Part No SW: 4E0 910 043 A HW: 4E0 820 043 B
Component: KLIMAAUTOMAT 016 0340
Revision: 00000027 Serial number: 00000000052496
Coding: 1052993
Shop #: WSC 02311 785 00200
VCID: 1B3E3C3BA33E
Part No: 4E0 910 772 A
Component: Sitzluefter FS H02 010
Part No: 4E0 910 772 A
Component: Sitzluefter BFS H02 010
1 Fault Found:
01592 - Air Quality Sensor (G238)
010 - Open or Short to Plus
Freeze Frame:
Fault Status: 01101010
Fault Priority: 3
Fault Frequency: 1
Reset counter: 139
Mileage: 136236 km
Time Indication: 0
Date: 2011.04.01
Time: 17:58:27
Freeze Frame:
Temperature: 36.0°C
#2
AudiWorld Super User
Yes.
From what I've read it only generally fails if solvents/gasoline get on it, or possibly if filter is contaminated.
$79 here.
http://www.audi-portal.com/en/diagno...ors_16977.html
From what I've read it only generally fails if solvents/gasoline get on it, or possibly if filter is contaminated.
$79 here.
http://www.audi-portal.com/en/diagno...ors_16977.html
#3
AudiWorld Member
Thread Starter
This issue turned out much easier than expected. I was going to try to clean the sensor with air and discovered it was unplugged. Thanks to the wonderful Audi technician who last worked on the car (the Dealer).
Now I am wondering about this fault if it was dealer induced as well, which started after dealer worked on instrument panel:
Address 17: Instruments Labels: 4E0-910-xxx-17.lbl
Part No SW: 4E0 910 980 G HW: 4E0 920 980 GX
Component: KOMBIINSTR. VDO H59 0220
Revision: D08 Serial number: AUDID3HD000017
Coding: 0016238
Shop #: WSC 26110 444 56919
VCID: 2B5EECFBF39E
1 Fault Found:
01704 - Terminal 58 (Dimming)
007 - Short to Ground
Freeze Frame:
Fault Status: 00000011
Fault Priority: 2
Fault Frequency: 1
Reset counter: 240
Mileage: 131202 km
Time Indication: 0
Date: 2010.11.20
Time: 16:39:29
Now I am wondering about this fault if it was dealer induced as well, which started after dealer worked on instrument panel:
Address 17: Instruments Labels: 4E0-910-xxx-17.lbl
Part No SW: 4E0 910 980 G HW: 4E0 920 980 GX
Component: KOMBIINSTR. VDO H59 0220
Revision: D08 Serial number: AUDID3HD000017
Coding: 0016238
Shop #: WSC 26110 444 56919
VCID: 2B5EECFBF39E
1 Fault Found:
01704 - Terminal 58 (Dimming)
007 - Short to Ground
Freeze Frame:
Fault Status: 00000011
Fault Priority: 2
Fault Frequency: 1
Reset counter: 240
Mileage: 131202 km
Time Indication: 0
Date: 2010.11.20
Time: 16:39:29
Last edited by 05SilverA8; 11-21-2011 at 02:44 PM.
#5
Hi, were do i locate the sensor exactly? how to i find it step by step, pictures would be perfect. I have googled, searched, looked in the engine bay but i cant find it. Its a S8 .
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#8
AudiWorld Member
Thread Starter
Took all of 2 minutes to get to it: Pull off rubber 1/3 way from front of hood
that seals up left and right panel covering Plenum area (in front of Cabin Air Filter). You only need to pull it off half way. Take off left plastic Panel and look at picture. It is component with Green Wire in Center Back of picture. While in there take out leaves so they do not plug Plenum drains.
that seals up left and right panel covering Plenum area (in front of Cabin Air Filter). You only need to pull it off half way. Take off left plastic Panel and look at picture. It is component with Green Wire in Center Back of picture. While in there take out leaves so they do not plug Plenum drains.
Last edited by 05SilverA8; 03-22-2015 at 04:16 PM.
#10
I checked this out, took it out, and i have a question i hope you can help me with.
The sensor, the part with holes and white background that points downwards, should it be "open" i mean should it be inside something or just free to the engine bay?
Mine was only in its place as in the picture, but nothing was attached to it on the sensor end, only the wires to the connector.
Hope you undertsand my describing.
Reason for asking is the fault code with "open" that got me wonder about this, and what is short to plus mean?:
Faults Found:
01592 - Air Quality Sensor (G238)
010 - Open or Short to Plus - Intermittent
Freeze Frame:
Fault Status: 00101010
Fault Priority: 3
Fault Frequency: 35
Reset counter: 247
Mileage: 159395 km
Time Indication: 0
Date: 2015.03.03
Time: 00:21:10
Freeze Frame:
Temperature: 14.0°C
The sensor, the part with holes and white background that points downwards, should it be "open" i mean should it be inside something or just free to the engine bay?
Mine was only in its place as in the picture, but nothing was attached to it on the sensor end, only the wires to the connector.
Hope you undertsand my describing.
Reason for asking is the fault code with "open" that got me wonder about this, and what is short to plus mean?:
Faults Found:
01592 - Air Quality Sensor (G238)
010 - Open or Short to Plus - Intermittent
Freeze Frame:
Fault Status: 00101010
Fault Priority: 3
Fault Frequency: 35
Reset counter: 247
Mileage: 159395 km
Time Indication: 0
Date: 2015.03.03
Time: 00:21:10
Freeze Frame:
Temperature: 14.0°C