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Sensor in Japanese Wiring Harness


Viento
Member


Galant VR-4 org Post #: 753020 posted 02/01/09 02:30 PM     Remind Me!  Send Private Message   Edit Post      
Hi everybody,
i have ECU + engine wiring harness that comes from galant vr4 1991 japanese version ( ECU part number : MD163994 Eprom ecu) , i rewraped and repaired with intact connectors but i found some difference between my wiring harness and american version , one of them is that there is a sensor with 3 pin connector that i dont know the works of it . Another different that my wiring harness doesnt have fuel pump relay like american version .
There is alot pics from my wiring harness that you can show the place of this sensor .plus i made the schematic pic that you can see the number of pins on the ECU diagram !

click
click click click click click click click click click click click click

Thank you in advanced !

Posts: 148 | From: Dubai UAE | Member Since: 11/29/06 | IP: (87.117.217.5) | Report this post to a Moderator

H05TYL
Hover/Stand/Bend


Galant VR-4 org Post #: 753038 posted 02/01/09 03:44 PM     Remind Me!  Send Private Message   Edit Post      
Hmm, I've just had a good look over both my pre and post facelift j-spec's and couldn't find that connector on either of them.

Was the car the loom is from originally automatic?



JDM E39A - 0010362 VR-4 Project 燃えないゴミ(Unburnable Junk) - stolen
JDM E39A - 0020096 VR-4 Daily - sold


Posts: 752 | From: Wgtn, NZ | Member Since: 06/09/07 | IP: (121.73.146.65) | Report this post to a Moderator

misterfixit
Victory Runner


Galant VR-4 org Post #: 753046 posted 02/01/09 04:16 PM     Remind Me!  Send Private Message   Edit Post      
Thats a mixture adjuster. fitted to cars with no o2 and no cat. UK, some Europe, Saudi and most general (phils,south america) export cars came with them.

Not A JDM at all. All jdm cars had unleaded and cats from the early eighties.

Rich



92 UK 1800 GALANT DD
88 JDM E39A GALANT VR-4, running. But only just.
93 CB4A --- rewound
91 PDM GTI Resurection project. Aborted
Stuff Index

Posts: 1546 | From: Midlands, UK | Member Since: 08/04/04 | IP: (83.67.97.128) | Report this post to a Moderator

Viento
Member


Galant VR-4 org Post #: 753079 posted 02/01/09 06:07 PM     Remind Me!  Send Private Message   Edit Post      
thanks Rich , how can i adjust it ? is the R and L on the sensor means Rich/Lean ?

Posts: 148 | From: Dubai UAE | Member Since: 11/29/06 | IP: (87.117.217.5) | Report this post to a Moderator

keydiver
Unregistered


Galant VR-4 org Post #: 753173 posted 02/01/09 10:45 PM     Remind Me!  Send Private Message   Edit Post      
Quoting misterfixit:

Thats a mixture adjuster.




Interesting. So, its sort of like an O2 simulator. It takes the +5 volts and divides it down to feed the ECU with a fake O2 voltage, which can be used to affect the mixture/fueltrims?
Viento, I would think that if your car has an O2 sensor you would not want to use that, but connect the O2 sensor to pin #4 instead. As he said, that harness is not JDM, but off a GVR-4 intended for the Saudi or another market.

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FlyingEagle Galant VR4.org Moderator
Eager Beaver


Galant VR-4 org Post #: 753469 posted 02/02/09 05:24 PM     Remind Me!  Send Private Message   Edit Post   
Any other numbers off the ECU case or board? I'll add this to the archive I'm compiling of ECU #'s and the cars and markets they came from.



C53A 1 of the ~1500

Posts: 1582 | From: THE Ottawa | Member Since: 03/05/05 | IP: (99.241.55.86) | Report this post to a Moderator


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