GS - 3rd Gen (2006-2011) Discussion about the 2006+ model GS300, GS350, GS430, GS450H and GS460

JDM Transmission Compatability

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Old 04-14-22, 10:41 AM
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FIXXER
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Default JDM Transmission Compatability

Hello,
I am currently doing a complete JDM drivetrain swap on a 2006 GS300 and Ive run into a snag... The transmission that was in the car has a tag of 35010-30A70 and the JDM transmission has a tag of 35010-30A00. Everything looks the same with the exception of the speed sensors being flip-flopped. The USDM trans has the input speed sensor on the left and the output sensor on the right, the JDM is opposite. Wire colors match up on the two harnesses. the connectors on the USDM harness would have to be lengthened to reach the respective sensor locations which i can do... Does anyone know if there is any other differences internally? Should i modify the harness or put the old transmission back in. The old trans wasn't having any issues, but my customer wanted to replace it with the JDM unit...
Thanks
Old 04-14-22, 10:51 AM
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LeX2K
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Do you have the VIN of the car the JDM unit came out of? Neither of those part numbers show as valid on the various parts sites.
Old 04-14-22, 11:18 AM
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Auction was ebay#255293659258.. Here is the tags, the top is the USDM bottom is JDM


Old 04-14-22, 11:23 AM
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LeX2K
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Why are the sensors flipped? Or are the sensors the same but the wiring is flipped because RHD?
Old 04-14-22, 12:04 PM
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FIXXER
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Here is what Im talking about Both are RWD



Old 04-14-22, 12:17 PM
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LeX2K
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They are mirrored that's crazy. Honestly only way to know if the JDM trans works is to try.
Old 04-14-22, 12:18 PM
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The sensors are the same, they are just in a different location. Plugs and wire colors are the same
Old 04-14-22, 06:10 PM
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mspearl95
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yeah its probably because the JDM car would have been right-hand drive.
Old 04-14-22, 09:04 PM
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Sure but they had to go with a different casting just to move the sensors seems completely unnecessary. Would be easier to modify the harness only.
Old 04-15-22, 12:24 PM
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The official answer is to modify the USDM harness to fit. Unfortunately, when i went to work the shifter, to replace the range sensor, I found that the linkage inside the trans is FUBAR. I imagine that they forgot to disconnect the linkage when they pulled it and damaged it by trying to yank it with the linkage connected. So im going to be putting the old trans in.
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