Curious about this ECM number 175031-9700?

1998 TOYOTA 4RUNNER
242,000 MILES • 3.4L • 6 CYL • 4WD • MANUAL
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NAINOA
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  • 41 POSTS
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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Jul 26, 2023 at 10:21 PM
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STRAILER
  • ✓Experienced Mechanic
  • 55,051 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 ?
Jul 28, 2023 at 4:22 AM
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NAINOA
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  • 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?
Aug 6, 2023 at 9:08 PM
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