Question about 2004 Honda Civic

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Air conditiong and heater controls just stopped working

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So let me get this straight. You have no a/c and heat correct? Does the blower motor work? If it doesn't its your problem. get back to me and let me know what happens when you turn a/c on and heater on does blower work?

Posted on Aug 04, 2010

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jturcotte
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SOURCE: Heater doesn't blow out warm,

yes, the blend door actuator may have failed. So are the heater hoses hot going into the firewall? I assume that is why you say the core is OK.

To check the blend door,

  1. Remove the lower trim panel from the passenger side of the instrument panel.
  2. Disengage the trim panel from the passenger side of the center console.
You should be able to see the actuator there. Try changing the temperature setting to see if the gear turns in the actuator. If not, remove the actuator and see if you can rotate the blend door shaft by hand. If the door is jammed, you may have to take the heater box out to free it up. If the door works OK by hand, either the actuator is bad or the switch is bad. If you could hear the actuator clicking when you were checking it, it is getting power but is stripped. If it was not clicking, I recommend you verify there is power to the actuator by probing the connector with a test light while changing the temperature setting. If there is no voltage, the switch may have failed. If you have questions, please let me know.

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Posted on Oct 27, 2010

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1 Answer

My air conditiong stopped working


Check to see if the coils are covered in ice.... unplug for a few hours and let it thaw out... 99% of the time this is the problem.. high humidity causes water to form and freeze up over the coils rendering the ac useless until thawed but... place it somewhere the water will not damage anything

Jul 02, 2015 | Cars & Trucks

Tip

Scania Fault Codes


000 00 No Fault
01 001 less than the rated voltage - heater works
02 002 higher than the rated voltage - heater works
004 03 Short circuit fan (D2I)
005 05 Short-circuiting the wires from alarm (D2I)
009 09 Heater off system TRS (D2I / D9W)
010 0A higher than the nominal voltage (heater stopped)
011 0B voltage less than the nominal (heater stopped)
012 0C overheat - fuel pump is turned off
013 0D temperature sensor recorded a high temperature
014 0E big difference values of t. Dutch. overheating and Dutch. regulation. t (D3W / D9W)
015 0F heater overheated many times - the heater is turned off (D2I / D9W)
017 11 Reusable overheating (t exceeds the second threshold) (D3W)
020 14 Candle / rod defective bulbs
021 15 Short candles / kernel bulbs
022 16 switch faulty lights / lamps kernel (D2W)
023 17 Internal defect relay control R2 candle / bar bulbs
024 18 Short-circuit switch controller candle / bar bulbs
025 19 Short-circuit diagnostic socket
029 1D fan air gap 5 does not operate R3
030 1E air fan does not work in all positions (R3-D3W)
031 1F air fan does not work in all positions (R3-D3W)
032 20 Air fan does not work in all positions (R3-D3W)
033 21 Air fan does not work in all positions (R4-D2I / D9W)
034 22 No contact with solenoid valve system COOL. (D2W / D9W)
035 23 No contact with the relay average performance
036 24 Short-circuit relay average performance
037 25 Do not rotate water pump (D2W / D9W)
038 26 No contact with the fan relay cab heating (D2W / D9W)
039 27 Short cab heating fan relay (D2W / D9W)
040 28 Short electromagnetic. COOLING valve system. (D2W / D9W)
042 2A Short circuit water pump (D9W)
043 2B Short cable from the computer to the heater fuel pump (D9W)
047 2F Short circuit of the fuel pump
048 30 No contact with the fuel pump
050 32 Heater run many times but have not worked (relay R3)
051 33 Flames emerged immediately after pressing the start button heater
052 34 No start (restart purge)
053 35 Stop flame during startup
36 054 Stop flame position max. productivity
055 37 Stop the flame in a position average performance
056 38 Stop the flame in the position of poor performance
057 39 Flame sensor short circuit (photoresist)
058 3A heater is turned off, but the flame in the combustion chamber (D2W)
059 3B Water temperature rising too quickly (D9W)
060 3C No contact with the sensor temperature control
061 3D sensor short circuit temperature control
062 3E No contact with the potentiometer (D2H / D2I)
3F 063 Short potentiometer (D2H / D2I)
064 40 No contact with flame sensor
065 41 Flame sensor short circuit
071 47 No contact with the sensor overheating (D3W / D9W)
072 48 Short-circuit overheating sensor (D3W / D9W)
073 49 Overheating sensor recorded the fastest increase in temperature (D9W)
090 5A Spontaneous error
091 5B high surge (high-voltage wires, CB-radio, etc.)
092 5C Faulty heater control unit - fault ROM
093 5D Faulty heater control unit - faulty RAM
094 5E Faulty heater control unit - fault EEPROM
096 60 Temperature sensor faulty heater ECU (D2I)
097 61 Faulty heater ECU (D2I / D2W / D9W)
255 FF cleared but faulty memory EEPROM

source
http://truckmanual.weebly.com/scania-fault-codes.html

on Dec 20, 2016 | Cars & Trucks

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Air conditiong stopped working


probably needs regassing go to quick fit they charge £40 to gas & check for leaks.

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Assuming (highly likely) that the control door is vacuum-operated, you may have a vacuum leak anywhere from the engine to the heater box inside the passenger compartment, via the heater control unit.

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HW DO i FIX THE AIR CONDITIONG WHERE COOL AIR COMES OUT ON THE DRIVERS SIDE AND ONLY HOT AIR ON THE PASSENGER SIDE?


unless the vehicle came with dual climate zones, then you can't split the air/heat in that manor. Most basic systems in a car have a mixture door where air either goes across the heater coil, or across the evaporator coil, or mixing the two. But the air coming from the vents will all be the same, not split.

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