Air Con ECU Help - Alfa Romeo Forum
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(Post Link) post #1 of 2 Old 07-07-09 Thread Starter
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Help Air Con ECU Help

Hello All (again!)

I had my aircon charged up at the weekend on my 156 TS.
The aircon swith in the car lights up but the compressor doesnt chip in.....

The air con engineer took a live wire from the battery straight to the compressor and it was soo icy cold...

I had the car code read today it it was found to be a faulty earth inside the ECU that controls the compressor that monitors the presure to the compressor.

I cant run a switch to it so it is on/off all the time as I was told it could do damage.

Can anyone advise where the ecu is? - under the bonnet, chair or hidden in the dash? there seems to be lots of computer work to run this damn car !!!

I can purchase one for 20 second hand, but I cant see which one it is !!!!!!

Any help is appreciated ! - thanks again
clarenn is offline  
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depends on age of car?

most engine ecu's are on top of throttle body.

the wiring to these compressor can get damaged as they run along under the engine's top cover, they get hot & go brittle.
SEARs is offline  

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air , con , ecu

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