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BA ICC Heater/AC controls blank, Recirc mode flashes 5/6time 

 

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 Post subject: BA ICC Heater/AC controls blank, Recirc mode flashes 5/6time
Posted: Fri Jan 08, 2016 8:24 am 
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Location: melbourne
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Hey guys, encountered an issue this week, with loosing all my heater controls, and ac controls on my ICC, only thing that remains is clock, radio and the recirculating picture flashes 5/6 times when i start car. which to me looks like a diagnose code

Ive done abit of searching on forums, but struggling to find reason why, I have done a scan with a mates tools and it has come up as Can BUS communication error of U1900

It is a single zone unit, my guess is the HIM module is no good? Just wanted to see if there has been common issues with HIM's showing same symptons?

Thanks guys in advance
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 Post subject: Re: BA ICC Heater/AC controls blank, Recirc mode flashes 5/6time
Posted: Fri Jan 08, 2016 9:58 pm 
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do reverse lights work ? no = check reverse fuse
checking all fuses with a test light is a good starting point
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 Post subject: Re: BA ICC Heater/AC controls blank, Recirc mode flashes 5/6time
Posted: Sun Jan 10, 2016 10:49 am 
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Fuses are all fine.. not to be a smart a** but what does reverse lights have to do with Air con/Icc. Pretty Sure it would have it's own fuse
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 Post subject: Re: BA ICC Heater/AC controls blank, Recirc mode flashes 5/6time
Posted: Sun Jan 10, 2016 12:02 pm 
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horze wrote:
Fuses are all fine.. not to be a smart a** but what does reverse lights have to do with Air con/Icc. Pretty Sure it would have it's own fuse



Power is supplied to the Him Via Fuses
No 4 Reverse light fuse(15A)
No 27 Cluster Fuse (10A)
Reverse in Red
Attachment:
himac.jpg
himac.jpg [ 187.43 KiB | Viewed 123 times ]

 

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 Post subject: Re: BA ICC Heater/AC controls blank, Recirc mode flashes 5/6time
Posted: Mon Jan 11, 2016 12:45 pm 
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wow my apologies TedW, i thought you were being smart thats all, there seems to be a few too many of them these days:D. I would of never expected to the him to be on a mixed circuit. Thankyou for the diagram Robert_au.

Ended pulling out the dash on sunday. The connector supplying power to the HIM, was melted and not connecting.
Fixed that, changed the HIM just to be safe and all working good

Thankyou TedW, and Robert, for the info
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