[Sensible_]

Hi,

I had a friend bring me his 05/2007 E90 today. He got it cheap and has retrofitted a CCC. However, there are now faults with the IHKA, I'm stumped, anyone here an expert with the air con system to save him a trip to the dealer?

Symptoms:

- No air coming from any front vent
- Warm air blasting out from vents out of back of centre console. Never gets cold with air con on.
- When I up the fan speed I can hear the blower responding. Just air isn't getting out.

What I've checked:

- Fuses. All good.
- Coding. Reset to default.
- Wiring. Nothing obvious but only have limited vision.
- ISTA D - All flaps out of range at 255%. I guess not responding.
- 12v at connector to blower.
- From what I can see the CCC retrofit seems good. Coded to car etc etc. Dash seems installed correctly.

Fault Codes:

Heating / AC:
<--------------------------->
Air conditioning / Klimaanlage:
- Fault: Central control timeout
- Code: 009C48
- Fault: Mixed air damper law LIN
- Code: 009C49
- Fault: Fresh air / recirculation / air flow flap LIN
- Code: 009C4A
- Fault: Defrost flap LIN
- Code: 009C4B
- Fault: Footwell flap LIN
- Code: 009C4C
- Fault: Layering flap LIN
- Code: 009C4E
- Fault: Rear ventilation flap LIN
- Code: 009C50
- Fault: Rear ventilation flap LIN
- Code: 009C52

Any help appreciated. I'm out of my league with this...

[zeronoo]

Vin of the car? maybe the car dont have automatic air con...

[Sensible_]

Hi,

VIN is KN65174

It has auto air con. Just after CCC retrofit no longer working. How are flap motors connected? Direct to IHKA on a LIN or IHKA -> JBE -> Flap motors ???

[vlv-ufa]

They are connected directly to IHKA (power, ground and LIN)

[Sensible_]

Thanks!

Found the problem.

Faulty white connector on the back of the IHKA panel. Replaced and repinned connector and all is well.