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No power to OBD port

Tiny
SHANER64
  • MEMBER
  • 1996 HONDA PASSPORT
  • 3.2L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 188,000 MILES
What fuse do I check? Thank you.
Wednesday, September 1st, 2021 AT 10:02 AM

2 Replies

Tiny
STEVE W.
  • MECHANIC
  • 13,465 POSTS
That would be fuse EB2 in the fuse and relay box under the hood. This will give you a way to test the fuse with a test light.
https://www.2carpros.com/articles/how-to-check-a-car-fuse
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Wednesday, September 1st, 2021 AT 7:43 PM
Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

It should be the horn fuse that power the diagnostics port.
That fuse located in the fuse box under the hood on the passenger side. See diagram below.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Let me know of any questions.
Thank you.
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Wednesday, September 1st, 2021 AT 7:49 PM

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