Reply With Quotedo a diag whith interface diag and you find the problem
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10th January, 2011, 01:56 PM #1DK Veteran
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Citroen C5 climate control problem
Hello!
Does anyone know where seems to be the problem on C5, when temperature control does not work anymore?
Unit looks like this:
According to bbareman, problem should be in this unit? Anyone knows about it? Some cold solder joints or something?
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10th January, 2011, 07:19 PM #2DK Veteran
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10th January, 2011, 07:46 PM #3DK Veteran
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Tnx, will do, don't have the car yet. So - according to your image the fault is in evaporator temperature sensor? But this sensor insn't located in this unit, right?
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10th January, 2011, 07:51 PM #4DK Veteran
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i don't say that man ,
i just give an exemple how to know why
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10th January, 2011, 08:17 PM #5DK Veteran
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I know about diagnostics, but if there is an internal fault, diagnostics won't help you a lot ...
Originally Posted by grinovsky
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10th January, 2011, 08:25 PM #6DK Veteran
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internal fault!!!
give us exemple
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10th January, 2011, 08:29 PM #7DK Veteran
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Faulty MCU, capacitor, resistor, cold solder joint ...
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10th January, 2011, 08:36 PM #8DK Veteran
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if interface diag do this,we must search a new job
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11th January, 2011, 11:16 AM #9Top Poster
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Problem maybe is mechanical!
See atached file and check customer symptoms!
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1st February, 2011, 10:25 PM #10DK Veteran
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Thanks marrijonas, it really was mechanical problem (broken mixing flap) as described in of service manuals you posted! Bought a repair kit at the dealer and replaced both flaps ... everything working fine now.
Just one more question - to change this flaps you have to take the whole dash out and the HVAC system too. The manuals says this can be done in 6,10 hours ... but it took me about 10 hours to do this job (I'm professional) - so my question is - does the manual mean 6,10 hours to dissassemble + 6,10 hours to assemble, or just 6,10 hours? It seems impossible to me to carry out this job in 6,10 hours ...
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