TwinTurbo.NET: Nissan 300ZX forum - Unidentified ECU handwritten in Japan?
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Subject Unidentified ECU handwritten in Japan?
     
Posted by long_term_project on October 23, 2017 at 11:20 AM
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Message Can anyone shed any light on identifying this handwritten ECU chip, I know it is a cali/auto ECU (handwritten in Japanese and American on outside) but I have a M/T so something is not kosher. I don't like running an ECU chip I know nothing about. It says 3UY85TTM on the chip with two Japanese symbols below it. A google search literally turn up nothing. It is not a socketed ECU, it appears stock. Something I have wondered is I have car#52 off the production line, maybe they didn't have enough parts avail during early production and used what they had? Any ideas? If I can't find some solid information I think there is no way I am going to run this ECU when it is all back together.

on actual ECU chip, handwritten: 3UY85TTM

on exterior of case, handwritten:

Order# BL-4363-E8502
Parts# 23710 31P15
Parts# A18-A29 M54
Lot# 9553
ROM# M205 ACA3

other numbers written on outside:
1 5 19
K003002
756 EG1 ETT CAL A/T

     
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