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JDM AC Compressor Diagram


PaulyD
Newbie


Galant VR-4 org Post #: 1244048 posted 09/07/18 08:13 PM     Remind Me!  Send Private Message   Edit Post      
So my compressor went out on my JDM vr4. I had a local VW mechanic I trust replace it. He could not get the new compressor to engage but the old one did engage but did not blow cold air. The new one blows cold air if you manually ground the clutch switch on the compressor and blows cold air. However, when it engages it puts a pretty heavy load on the motor and it wants to die at idle. Currently I have it hooked up to a toggle switch under my dash... Does anyone here have a diagram for the JDM auto climate control system? I also am curious how the "Econo" mode works and if its possible to make that still function. I noticed with the old compressor it seemed to put less of a load on the motor and obviously didnt blow as cold. Thanks in advanced everyone



1990 JDM Galant VR4

Posts: 3 | From: Bloomington, IN | Member Since: 02/07/16 | IP: (68.45.73.129) | Report this post to a Moderator

FlyingEagle Galant VR4.org Moderator
Eager Beaver


Galant VR-4 org Post #: 1244049 posted 09/07/18 08:40 PM     Remind Me!  Send Private Message   Edit Post      
Was the charge converted from R12 to R134a, because this can make a difference.

Also, are you sure the replacement compressor is identical to the old one?

There are temp sensors that can lock out the compressor clutch function when they trip .... or wires are not heading the correct way.



C53A 1 of the ~1500

Posts: 1582 | From: THE Ottawa | Member Since: 03/05/05 | IP: (24.212.154.69) | Report this post to a Moderator

PaulyD
Newbie


Galant VR-4 org Post #: 1244050 posted 09/07/18 09:16 PM     Remind Me!  Send Private Message   Edit Post      
It has been converted to r134. I haven't looked myself yet at I just picked it up and drove it home, it's been a long week for me and don't have a garage ATM. I can try to snap some pictures of it tomorrow and get a model number. Mechanic said it was identical. He asked me while he was doing it if I could get a diagram, said if I couldn't he could hook it up to my old light bar switch. Which is what he ended up doing



1990 JDM Galant VR4

Posts: 3 | From: Bloomington, IN | Member Since: 02/07/16 | IP: (2600:1015:b11b:5) | Report this post to a Moderator

G Galant VR4.org Moderator
JDM Unit
486/1000


Galant VR-4 org Post #: 1244061 posted 09/08/18 10:06 PM     Remind Me!  Send Private Message   Edit Post   
I have it but it's in japanese. Do you have digital hvac or manual?



www.japanesenostalgiccar.com
www.nostalgic.co.jp

Posts: 8864 | From: zompton | Member Since: 02/24/04 | IP: (75.86.151.204) | Report this post to a Moderator


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