Member Since: 30 Sep 2016
Location: Cardiff South Wales
Posts: 415
New compressor fitted and a new problem
My old hitachi compressor finally give up ,Fitted a refurb kit last year but now he’s dead. I was getting air supply fault. Put a new Hitachi one on and now I’m getting this But it’s all working as it should ,Just keep getting this fault
11th May 2018 3:47 pm
Globetrotter448
Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1782
With a brush fault, possibly the compressor motor getting hot. Is it under warranty. Does the code come back after clearing it? I have heard of this previously and it was to do with the relay and fuse in the engine compartment - they where both changed to 70 amps. Battery and charging system needs to be up to scratch as well.
13th May 2018 9:40 am
Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10363
the compressor has 2 temp sensors. THey are thin wires.
MEasure the resistance of the old and new compressor sensors
If they are the same, probably a fault with cars wiring.
If one is different, see if you can swap it, or temperately connect it to prove the problem
13th May 2018 10:17 am
thommo1927
Member Since: 30 Sep 2016
Location: Cardiff South Wales
Posts: 415
Globetrotter448 wrote:
With a brush fault, possibly the compressor motor getting hot. Is it under warranty. Does the code come back after clearing it? I have heard of this previously and it was to do with the relay and fuse in the engine compartment - they where both changed to 70 amps. Battery and charging system needs to be up to scratch as well.
As soon as I clear the fault it comes back straight away,The fault comes on before you start the engine Under warranty and should be getting a new compressor mid week. The compressor works in all the modes ,The old one would be normal height only.
13th May 2018 10:30 am
thommo1927
Member Since: 30 Sep 2016
Location: Cardiff South Wales
Posts: 415
Pete K wrote:
the compressor has 2 temp sensors. THey are thin wires.
MEasure the resistance of the old and new compressor sensors
If they are the same, probably a fault with cars wiring.
If one is different, see if you can swap it, or temperately connect it to prove the problem
Will look into this ,Cheers
13th May 2018 10:31 am
Ade
Member Since: 26 Nov 2008
Location: West Lothian
Posts: 950
I've had this problem; it ended up being the wiring near the ECU, compressor itself was OK
15th May 2018 11:00 am
thommo1927
Member Since: 30 Sep 2016
Location: Cardiff South Wales
Posts: 415
Ade,Where by is the Ecu? Got a new compressor coming under warranty,I’ll get that on and if the warning comes back on I’ll start looking. What wires are under the front passenger wheel arch ? Cheers
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But it’s all working as it should ,Just keep getting this fault
