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Thread: Audi A3 Air Con Help

  1. #1
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    Audi A3 Air Con Help

    Hi everyone, I have an Audi A3 with an issue with the air conditioning system. VCDS gives me the fault code 00735 potentiometer position sensor for recirculation flap (G143). I need the location of this potentiometer, I believe its the V113 one I need I have been to the scrapyard today and tried all the one on the passenger side, however the code comes straight back, there are 3 more motors located on the drivers side, Ive tried the bottom one and that didn't work so it must be one of the other two but it looks like the dash needs to come out to get them out? Does anyone have any idea which motor is the V113 or have a diagram of the air condition system and its components? Thanks

  2. #2
    Benevolent Dictator Uwe's Avatar
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    Hi and welcome.

    Please post an Auto-Scan for context. Audi has made A3s for more than 20 years now, and needless to say, they're not all the same. But even knowing the model year isn't enough, because in any given model year, they were equipped with different HVAC controllers depending on things like engine and trim level.

    -Uwe-
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

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    NostraJackAss Jack@European_Parts's Avatar
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    It would be really wise to use the RTFB and WD component locations & to identify an actual component location, versus taking shit apart in the scrap yard to roll the diagnostic dice!


    http://wiki.ross-tech.com/wiki/index...ir_Information

    JPPSG
    https://forums.ross-tech.com/showthr...uot-JPPSG-quot



    European Parts Emporium/Performance / Immobilizer Solutions EPE
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    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
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    Quote Originally Posted by Uwe View Post
    Hi and welcome.

    Please post an Auto-Scan for context. Audi has made A3s for more than 20 years now, and needless to say, they're not all the same. But even knowing the model year isn't enough, because in any given model year, they were equipped with different HVAC controllers depending on things like engine and trim level.

    -Uwe-
    Hi I will have to get back to you with that on Monday unfortunately.

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    Quote Originally Posted by Jack@European_Parts View Post
    It would be really wise to use the RTFB and WD component locations & to identify an actual component location, versus taking shit apart in the scrap yard to roll the diagnostic dice!


    http://wiki.ross-tech.com/wiki/index...ir_Information

    JPPSG
    https://forums.ross-tech.com/showthr...uot-JPPSG-quot
    Do you have to be subscribed to use Erwin?
    Last edited by Uwe; 07-05-2019 at 04:25 PM. Reason: Trimmed quote

  7. #6
    NostraJackAss Jack@European_Parts's Avatar
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    Yup but you can do on the cheap and print to pdf to save coins....
    European Parts Emporium/Performance / Immobilizer Solutions EPE
    Certified Master Trained NY/BAR/BAD 7076062/ASE/SAE/NASTF Legal Factory Authorized/Licensed GeKo/FaZit # 403738
    Specializing in Custom Services IE: "welding-fabrication" / EPA-SMOG Update or Pass-Thru-Programming / Data Transfer / Immobilizers & OEM Quality Parts
    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email or call facility for free tech support...use the forum )
    Getting you CONTROL again of your property - TAKE IT! In Conjunction with.........

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    Hi Ive managed to get the auto scan data, here it is.

    Code:
    Saturday,06,July,2019,11:26:59:63801
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
    VCDS Version: 19.6.1.0 (x64)
    Data version: 20190529 DS308.0
    www.Ross-Tech.com
    
    
    VIN: WAUZZZ8P67A157651   License Plate: 
    Mileage: 254730km-158281mi   Repair Order: 
    
    
    
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    
    
    Chassis Type: 8P (1K0)
    Scan: 01 03 08 09 15 16 17 19 25 42 44 46 47 52 56 62 72 77
    
    VIN: WAUZZZ8P67A157651   Mileage: 254730km-158281miles
    
    01-Engine -- Status: Malfunction 0010
    03-ABS Brakes -- Status: Malfunction 0010
    04-Steering Angle -- Status: OK 0000
    08-Auto HVAC -- Status: Malfunction 0010
    09-Cent. Elect. -- Status: Malfunction 0010
    15-Airbags -- Status: Malfunction 0010
    16-Steering wheel -- Status: OK 0000
    17-Instruments -- Status: OK 0000
    19-CAN Gateway -- Status: Malfunction 0010
    25-Immobilizer -- Status: OK 0000
    42-Door Elect, Driver -- Status: OK 0000
    44-Steering Assist -- Status: OK 0000
    46-Central Conv. -- Status: Malfunction 0010
    47-Sound System -- Status: OK 0000
    52-Door Elect, Pass. -- Status: OK 0000
    56-Radio -- Status: Cannot be reached 1100
    62-Door, Rear Left -- Status: OK 0000
    72-Door, Rear Right -- Status: OK 0000
    77-Telephone -- Status: Malfunction 0010
     
    -------------------------------------------------------------------------------
    Address 01: Engine        Labels: 03G-906-016-BKC.clb
       Part No SW: 03G 906 021 LS    HW: 03G 906 021 AN
       Component: R4 1,9L EDC G000SG  9182  
       Revision: --H06---    Serial number: AUX7Z0G0FNQ0JT
       Coding: 0000071
       Shop #: WSC 66565 257 00032
       VCID: 7BFE2B823A1C5997CC-802E
    
    3 Faults Found:
    005658 - Glowplug for Cylinder 1 (Q10) 
                   P161A - 000 - Open Circuit
                 Freeze Frame:
                        Fault Status: 01110000
                        Fault Priority: 0
                        Fault Frequency: 1
                        Reset counter: 255
                        Mileage: 254436 km
                        Time Indication: 0
                        Date: 2019.06.30
                        Time: 10:38:30
    
                 Freeze Frame:
                        RPM: 945 /min
                        Speed: 0.0 km/h
                        Load: 0.0 %
                        Voltage: 12.01 V
                        Bin. Bits: 00101100
                        Temperature: 13.5C
                        Bin. Bits: 10110000
    
    005661 - Glowplug for Cylinder 4 (Q13) 
                   P161D - 000 - Open Circuit
                 Freeze Frame:
                        Fault Status: 01110000
                        Fault Priority: 0
                        Fault Frequency: 1
                        Reset counter: 255
                        Mileage: 254436 km
                        Time Indication: 0
                        Date: 2019.06.30
                        Time: 10:38:30
    
                 Freeze Frame:
                        RPM: 945 /min
                        Speed: 0.0 km/h
                        Load: 0.0 %
                        Voltage: 12.01 V
                        Bin. Bits: 00101100
                        Temperature: 13.5C
                        Bin. Bits: 10110000
    
    005660 - Glowplug for Cylinder 3 (Q12) 
                   P161C - 000 - Open Circuit
                 Freeze Frame:
                        Fault Status: 01110000
                        Fault Priority: 0
                        Fault Frequency: 3
                        Reset counter: 255
                        Mileage: 254436 km
                        Time Indication: 0
                        Date: 2019.06.30
                        Time: 10:38:43
    
                 Freeze Frame:
                        RPM: 882 /min
                        Speed: 0.0 km/h
                        Load: 0.0 %
                        Voltage: 14.29 V
                        Bin. Bits: 00101100
                        Temperature: 13.5C
                        Bin. Bits: 10110000
    
    Readiness: 0 0 0 0 0 
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes        Labels: 1K0-907-379-MK60-F.lbl
       Part No SW: 1K0 907 379 AC    HW: 1K0 907 379 AC
       Component: ESP FRONT MK60      0101  
       Revision: 00H11001    
       Coding: 0021121
       Shop #: WSC 06314 000 00000
       VCID: 73EE03A2124C11D794-8026
    
    1 Fault Found:
    01435 - Brake Pressure Sensor 1 (G201) 
                012 - Electrical Fault in Circuit
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC        Labels: 8P0-820-043.lbl
       Part No SW: 8P0 820 043 AC    HW: 8P0 820 043 AC
       Component: KlimavollautomatH19 0360  
       Revision: 096389      Serial number: 8P0820043AC   
       Shop #: WSC 00000 000 00000
       VCID: 6DDA15DA7468C72742-8038
    
    1 Fault Found:
    00735 - Potentiometer in Positioning Motor for Air recirculation Flap (G143) 
                001 - Upper Limit Exceeded
                 Freeze Frame:
                        Fault Status: 01100001
                        Fault Priority: 3
                        Fault Frequency: 1
                        Reset counter: 247
                        Mileage: 254670 km
                        Time Indication: 0
                        Date: 2019.07.01
                        Time: 15:21:18
    
                 Freeze Frame:
                        Voltage: 12.50 V
                        (no units): 48.0
                        Temperature: 21.0C
    
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect.        Labels:. 8P0-907-279-23-H.lbl
       Part No SW: 8P0 907 279 F    HW: 8P0 907 279 F
       Component: Bordnetz-SG     H43 1201  
       Revision: 00H43000    Serial number: 00000006622653
       Coding: E4885F01B014100000160000160000000008FA175C0100
       Shop #: WSC 06435 000 08192
       VCID: 40849C6E137AFA4FD9-8014
    
       Subsystem 1 - Part No: 8P2 955 119 E  Labels: 1KX-955-119.CLB
       Component: Wischer AU350   H01 0130  
       Coding: 00062736
       Shop #: WSC 06435  
    
       Subsystem 2 - Part No: 4E0 910 557 A  Labels: 8K0-955-559.CLB
       Component: REGENLICHTSENSORH13 0090  
       Coding: 00150573
       Shop #: WSC 06435  
    
    2 Faults Found:
    01800 - Light Switch (E1) 
                008 - Implausible Signal - Intermittent
                 Freeze Frame:
                        Fault Status: 00101000
                        Fault Priority: 3
                        Fault Frequency: 1
                        Reset counter: 246
                        Mileage: 254670 km
                        Time Indication: 0
                        Date: 2019.07.01
                        Time: 15:16:00
    
                 Freeze Frame:
                            OFF
                        Voltage: 13.00 V
                            OFF
                            ON
                            OFF
                            OFF
                            OFF
    
    02195 - Dimmer Switch Instrument Panel & Switch Lighting (E20) 
                009 - Open or Short to Ground - Intermittent
                 Freeze Frame:
                        Fault Status: 00101001
                        Fault Priority: 5
                        Fault Frequency: 1
                        Reset counter: 246
                        Mileage: 254670 km
                        Time Indication: 0
                        Date: 2019.07.01
                        Time: 15:16:00
    
                 Freeze Frame:
                            OFF
                        Voltage: 13.00 V
                            OFF
                            ON
                            OFF
                            OFF
                            OFF
    
    
    -------------------------------------------------------------------------------
    Address 15: Airbags        Labels: 8P0-959-655-94.lbl
       Part No SW: 8P0 959 655 C    HW: 8P0 959 655 C
       Component:    Airbag 9.41  H13 4260  
       Revision: 91H13426    Serial number: 003620G3MP90  
       Coding: 0071612
       Shop #: WSC 06314 000 00000
       VCID: 428096661D76E85FCF-8016
    
       Subsystem 1 - Serial number: 6332DRB4048248ABU
    
       Subsystem 2 - Serial number: 6342DRB4038E52B0R
    
       Subsystem 3 - Serial number: 63528RB4020AC448K
    
       Subsystem 4 - Serial number: 63628RB4020AC803G
    
       Subsystem 5 - Serial number: 63729RB4020B540DI
    
       Subsystem 6 - Serial number: 63829RB4020B545EP
    
    3 Faults Found:
    01578 - Airbag Deactivation Warning Lamp; Passenger Side (K145) 
                009 - Open or Short to Ground - MIL ON
                 Freeze Frame:
                        Fault Status: 11101001
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 207
                        Mileage: 254546 km
                        Time Indication: 0
                        Date: 2019.06.30
                        Time: 17:07:28
    
    02756 - Redundant signal path of Airbag cut-off switch - front passenger side (E224) 
                010 - Open or Short to Plus - MIL ON
                 Freeze Frame:
                        Fault Status: 11101010
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 255
                        Mileage: 254637 km
                        Time Indication: 0
                        Date: 2019.07.01
                        Time: 13:10:56
    
    01228 - Airbag Cut-Off Switch for Passenger Side (E224) 
                010 - Open or Short to Plus - MIL ON
                 Freeze Frame:
                        Fault Status: 11101010
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 255
                        Mileage: 254637 km
                        Time Indication: 0
                        Date: 2019.07.01
                        Time: 13:10:57
    
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel        Labels: 8P0-953-549-F.lbl
       Part No SW: 8P0 953 549 F    HW: 8P0 953 549 F
       Component: J0527           H36 0070  
       Coding: 0000022
       Shop #: WSC 06314 000 00000
       VCID: 4182996A1870F347D6-8014
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments        Labels: 8P0-920-xxx-17-MY7.lbl
       Part No SW: 8P0 920 951 D    HW: 8P0 920 951 D
       Component: KOMBIINSTR. VDO H20 0570  
       Revision: D0H20004    Serial number: 1240G004005173
       Coding: 0004413
       Shop #: WSC 00011 888 96745
       VCID: 3668FAB641BE44FF73-8062
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway        Labels:. 1K0-907-530-V2.clb
       Part No SW: 1K0 907 530 K    HW: 1K0 907 951 
       Component: J533__Gateway   H12 0170  
       Revision:   H12       Serial number: 33001071110A70
       Coding: 3D3F03C207002103
       Shop #: WSC 06314 000 00000
       VCID: 2F66CFD2BEE4753730-807A
    
    1 Fault Found:
    01304 - Radio 
                004 - No Signal/Communication
                 Freeze Frame:
                        Fault Status: 01100100
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 203
                        Mileage: 254436 km
                        Time Indication: 0
                        Date: 2019.06.28
                        Time: 15:46:17
    
    
    -------------------------------------------------------------------------------
    Address 25: Immobilizer        Labels: 1K0-920-xxx-25.clb
       Part No SW: 8P0 920 951 D    HW: 8P0 920 951 D
       Component: KOMBIINSTR. VDO H20 0570  
       Revision: D0H20004    Serial number: AUX7Z0G0FNQ0JT
       Shop #: WSC 00000 000 00000
       VCID: 3668FAB641BE44FF73-8062
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 42: Door Elect, Driver        Labels: 8P0-959-801-MIN2.lbl
       Part No: 8P0 959 801 H
       Component: Tuer-SG         020 0090  
       Coding: 0000760
       Shop #: WSC 06314 000 00000
       VCID: 40849C6E137AFA4FD9-8014
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 44: Steering Assist        Labels: 1Kx-909-144-G2V3.clb
       Part No: 1K2 909 144 L
       Component: EPS_ZFLS Kl.078 H07 1806  
       Shop #: WSC 06314 000 00000
       VCID: 356AFDBA5CB84FE77A-8060
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 46: Central Conv.        Labels: 8P0-959-433.lbl
       Part No: 8P0 959 433 F
       Component:    KSG          H08 0070  
       Coding: 9980202002186D098505489FC637
       Shop #: WSC 06314 000 00000
       VCID: 3F869F926E8485B7A0-806A
    
       Subsystem 1 - Part No: 1K0 951 605 C
       Component: LIN BACKUP HORN H03 1301
    
       Subsystem 2 - Part No: 1K0 907 719 C
       Component: Neigungssensor  005 0003
    
       Subsystem 3 - Part No: 8P0 951 177 
       Component: Innenraumueberw.H04 0020
    
    1 Fault Found:
    00955 - Key 1 
                005 - No or Incorrect Basic Setting / Adaptation
    
    -------------------------------------------------------------------------------
    Address 47: Sound System        Labels: 8Px-035-382.lbl
       Part No SW: 8P4 035 382     HW: 8P4 035 382 
       Component: AB2 SUBWOOFERBOXH04 0180  
       Revision: 00003       Serial number: 30674697043728
       Shop #: WSC 00000 000 00000
       VCID: 71E209AA685023C766-8024
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 52: Door Elect, Pass.        Labels: 8P0-959-802-MIN2.lbl
       Part No: 8P0 959 802 H
       Component: Tuer-SG         020 0090  
       Coding: 0000760
       Shop #: WSC 06314 000 00000
       VCID: 4182996A1870F347D6-8014
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 56: Radio
    Cannot be reached
    
    -------------------------------------------------------------------------------
    Address 62: Door, Rear Left        Labels: 8P4-959-801.lbl
       Part No: 8P4 959 801 D
       Component: Tuer-SG         020 0070  
       Coding: 0000216
       Shop #: WSC 06314 000 00000
       VCID: 40849C6E137AFA4FD9-8014
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 72: Door, Rear Right        Labels: 8P4-959-802.lbl
       Part No: 8P4 959 802 D
       Component: Tuer-SG         020 0070  
       Coding: 0000216
       Shop #: WSC 06314 000 00000
       VCID: 4182996A1870F347D6-8014
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 77: Telephone        Labels: 8P0-862-335.lbl
       Part No SW: 8P0 862 335 H    HW: 8P0 862 335 H
       Component: FSE_255x BT     H26 0290  
       Revision: 00000000    Serial number: 00000005077909
       Coding: 0000120
       Shop #: WSC 06314 000 00000
       VCID: 3B7EEB827A9C99978C-806E
    
    1 Fault Found:
    01304 - Radio 
                004 - No Signal/Communication
                 Freeze Frame:
                        Fault Status: 01100100
                        Fault Priority: 5
                        Fault Frequency: 1
                        Reset counter: 203
                        Mileage: 254436 km
                        Time Indication: 0
                        Date: 2019.06.28
                        Time: 15:46:12
    
    
    End-------------------------(Elapsed Time: 02:03)--------------------------
    Please ignore most the fault codes its the 00735 code I need the help with, Thanks
    Last edited by Uwe; 07-06-2019 at 11:38 AM. Reason: CODE tags

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  10. #8
    Benevolent Dictator Uwe's Avatar
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    Have a look at MVBs 001 and 002 in the HVAC module and tell us what you see there.

    -Uwe-
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

  11. #9
    NostraJackAss Jack@European_Parts's Avatar
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    Open RTFB and then WD and search G143, familiarize yourself with component location and how it is wired.

    Use DVOM and resistance decade box to authenticate the tracks using VCDS by blocks being observed as Uwe aforementioned.

    If needed replace the G143 or repair wiring/change controller as required.

    In meantime you move vent door manually to achieve function during hot weather and or authenticate the mechanical's are not the issue too or by obstructions from FOD.
    European Parts Emporium/Performance / Immobilizer Solutions EPE
    Certified Master Trained NY/BAR/BAD 7076062/ASE/SAE/NASTF Legal Factory Authorized/Licensed GeKo/FaZit # 403738
    Specializing in Custom Services IE: "welding-fabrication" / EPA-SMOG Update or Pass-Thru-Programming / Data Transfer / Immobilizers & OEM Quality Parts
    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email or call facility for free tech support...use the forum )
    Getting you CONTROL again of your property - TAKE IT! In Conjunction with.........

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  13. #10
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    Quote Originally Posted by Uwe View Post
    Have a look at MVBs 001 and 002 in the HVAC module and tell us what you see there.

    -Uwe-
    How do I do that? Im not that good with VCDS, I could do with going on a course to learn how to use it properly.

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