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Old 05-06-2009, 01:30 PM   #1 (permalink)
 
Location: Oxfordshire UK
Problem with Air Conditioning (450)

Hello all,
I'm a new member (living in the UK) and was after some information on the ac system on my smart car (2001 year 600cc 4two). The problem I have is that the ac is not working. When you press the ac button, the button lights come on and I can hear a fan start at the front of the car. The engin revs up a bit too as normal when the ac comes on. I can also hear a relay click in at the front of the car, probably on the main relay/fuse board under the dash. I cannot hear a relay click in on the secondary relay board under the seat, and the compressor does not engage, so no ac. I guess it is a fault between the main relay/fuse board and the secondary one so not bringing the K6 relay in on the secondary relay board to energise the compressor. Any ideas where I should be looking, or do any of you have a wiring diagram you could e-mail me so I can trace through the fault?
cheers
Jason

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Old 06-05-2009, 02:35 PM   #2 (permalink)
 
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Drive: 2008 custom passion
it most likely leaked the reg. out at the couplers. i have seen a several 450 where the o-rings go bad and leak. ac then wont turn on cause it sense low refg. level

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