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  1. #1
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    S4 : Passenger Side Air Con blow hot only...

    Hi,

    Can anyone help me?

    My Passenger side vents only blow hot air! The drivers side is ok - and seems to work properly.

    Is this likely to be a flap / actuator or am I in new compressor territory?

    cheers!

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  3. #2
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    Quote Originally Posted by adamjwk View Post
    Hi,

    Can anyone help me?

    My Passenger side vents only blow hot air! The drivers side is ok - and seems to work properly.

    Is this likely to be a flap / actuator or am I in new compressor territory?

    cheers!
    Defo not a new compressor if you can get cold air from the drivers side.

    I'd say your initial diagnosis is correct, it'll be a flap or actuator. Vag.com should have logged it if you have access to it.
    8P2 S3

    For advice on Air Con problems please read my FAQs.
    To find ASN members with VCDS check out the MAP.

  4. #3
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    thanks!

    is there any easy way to identify if the flap/actuator isnt working?

    i.e. is there a similar 'diagnostic' mode for the 2003 S4 climate control?

    cheers!

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    Quote Originally Posted by adamjwk View Post
    is there any easy way to identify if the flap/actuator isnt working?

    i.e. is there a similar 'diagnostic' mode for the 2003 S4 climate control?

    cheers!
    I don't think so mate. The best diagnosis would be to make sure both zones are set to the same temperature, whack up the heat and check that both sides are the same.
    8P2 S3

    For advice on Air Con problems please read my FAQs.
    To find ASN members with VCDS check out the MAP.

  6. #5
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    Last Question

    cheers!

    Is there a diagnostic mode for the dual-zone air-con in my S4?

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    Quote Originally Posted by adamjwk View Post
    cheers!

    Is there a diagnostic mode for the dual-zone air-con in my S4?
    What do you mean by diagnostic mode??
    8P2 S3

    For advice on Air Con problems please read my FAQs.
    To find ASN members with VCDS check out the MAP.

  8. #7
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    Diagnostic Mode

    Like the mode you can go into by holding ECON and pressing +/- etc.

    Like this... (quoted from a website)

    To see your true speed in digital format press the following key combinations:
    1. Press Fan Down, Temperature Colder, ECON at the same time.
    2. Use the temperature control buttons to cycle through the various channels to Channel 16.
    3. Press ECON to go back to normal. (It goes back automatically when you restart the car.)

    Climatronic Codes:
    Contents of 1 system error # system error
    2 actual value feeler virtually # actual VALUE sensor virtual
    3 actual value of interior feelers console # actual VALUE internal sensor CONSOLE
    4 actual value outside temperature feeler wasserkasten # actual VALUE outside temp sensor water reservoir
    5 actual value outside temperature feeler bumper # actual VALUE outside temp sensor more bumper
    6 actual value blowing out feeler floor space # actual VALUE bloweroutlet sensor footspace
    7 actual value blowing out feeler Mannanstroemer # actual VALUE bloweroutlet sensor dashboard
    8 display CHECKS #
    9 actual digital value answering potentiometer temperature flap # actual digitally VALUE feedback potentiometer temp valve
    10 debit digital value temperature flap # set digitally VALUE temp valve
    11 actual digital value answering potentiometer A/C flap
    12 debit digital value A/C flap
    13 actual digital value answering potentiometer Fuss/Def. Flap
    14 debit digital value Fuss/Def. Flap
    15 actual digital value answering potentiometer ram air flap
    16 debit digital value ram air flap
    17 driving speed (km/h) 16
    18 actual value of the blower voltage (volt) 19 desired value of the blower voltage (volt)
    20 actual value of the compressor/on-board voltage (volt)
    21 amount of of low-voltage events (not volatile)
    22 switching status of the high pressure feeler
    23 number of high pressure events (volatile)
    24 number of high pressure events (not volatile)
    25 A/D value kickdown switch
    26 A/D value hot light
    27 engine speed
    28 compressor number of revolutions
    29 coding
    30 software-Version
    31 software index of
    32 potentiometer error counters temperature flap of
    33 potentiometer error counters A/C flap of
    34 potentiometer error counters Fuss/def. Flap of
    35 potentiometer error counters ram air flap
    36 temperature flap impact coldly
    37 temperature flap impact warmly
    38 A/C flap impact closed
    39 A/C flap impact openly
    40 Fuss/Def. Impact Def folds.
    41 Fuss/Def. Impact foot
    42 ram air flap impact on
    43 ram air flap impact folds to
    44 operating cycle counters
    45 interior temperature counted (Nine) dig
    46 outside temperature filtered C
    47 outside temperature not filtered C
    48 ECOR of
    49 error counters Tachosignal
    50 service life in min
    51 engine temperature C
    52 compressor power-off conditions (appendix)
    53 display more actively el. Outputs x x compressor circulating air valve x water valve
    54 rule code digit
    55 outside temperature C of
    56 interior feelers virtually C of
    57 interior feelers console C
    58 temperature wasserkasten C
    59 temperature bumper C of
    60 blowing out feelers floor space C of
    61 blowing out feelers Mannanstroemer C
    62 sun intensity W/m 3
    63 sun intensity filtered W/m
    64 delta exhaust rise
    65 delta A/C flap shift
    66 time constant 1.8 seconds of
    67 cold weather starting correction
    68 max. correcting variable for i or sectionsection section of
    69 actual value blowing out feeler foot (cnts)
    70 desired value blowing out feeler foot (cnts)
    71 deviation (Epsilon)
    72 proportion (+hot - cool)

  9. #8
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    eeeeerrrrrrrrrrrrrrrr I don't know! lol Never heard of all that mate.

    What site was it, for future reference?
    8P2 S3

    For advice on Air Con problems please read my FAQs.
    To find ASN members with VCDS check out the MAP.

  10. #9
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    Diagnostic Mode - link...


  11. #10
    Staz's Avatar
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    Cheers.

    I have vag.com so I don't think I'll bother trying to suss out the A3 method!
    8P2 S3

    For advice on Air Con problems please read my FAQs.
    To find ASN members with VCDS check out the MAP.

 

 

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