Scanner is not working?

Tiny
MIKE RIVERA
  • MEMBER
  • 2003 CHEVROLET IMPALA
  • 5.4L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 147,000 MILES
Put scanner on it and it comes up briefly and is not working?
Wednesday, January 5th, 2022 AT 3:26 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,244 POSTS
Hi,

Do me a favor. I need you to check if there is power at pin 16 in the data link connector. Additionally, confirm pins 4 and 5 provide continuity to ground.

I attached a pic below showing which to check. Here is a link you may find helpful:

https://www.2carpros.com/articles/how-to-check-wiring

Let me know what you find. Also, if you could video what the scanner does and upload it for me to see, it may help.

Take care,

Joe

See pic below.
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Sunday, January 9th, 2022 AT 6:47 PM

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