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Curious about this ECM number 175031-9700?

Tiny
NAINOA
  • MEMBER
  • 1998 TOYOTA 4RUNNER
  • 3.4L
  • 6 CYL
  • 4WD
  • MANUAL
  • 242,000 MILES
I’m curious about this number 175031-9700 that I saw when observing the interior of the ECM? Here’s a picture.
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Thursday, July 27th, 2023 AT 5:21 AM

2 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,690 POSTS
Yes, that is the ECM circuit board number which is used internally when the unit is in manufacturing. Are you having an problem or?
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Friday, July 28th, 2023 AT 11:22 AM
Tiny
NAINOA
  • MEMBER
  • 41 POSTS
I’m thinking I got a bad computer ground, in the wiring schematic which is the computer ground it’s self because the E2 is the sensor ground. Or am I wrong?
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Monday, August 7th, 2023 AT 4:08 AM

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