no power on pin 17 white/black wire from the SMJ

1995 NISSAN TRUCK
4 CYL • MANUAL
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KEVIN VERMILLION
  • MEMBER
  • 2 POSTS
Checked back side and no power there either. where does white/black originate from?
Sep 11, 2020 at 2:29 AM
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DANNY L
  • Experienced Mechanic
  • 5,648 POSTS
Hello, I'm Danny.

Just a quick question first.Is this a 4 or 6 cylinder truck? I can lookup the wiring diagrams.Let me know and we'll go from there.Hope this helps and thanks for using 2CarPros.
Sep 11, 2020 at 4:44 AM
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KEVIN VERMILLION
  • MEMBER
  • 2 POSTS
4 cylinder. all fuses are good.
Sep 11, 2020 at 7:43 AM
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DANNY L
  • Experienced Mechanic
  • 5,648 POSTS
Hello again.

I've attached the diagram below.It looks that the particular wire you are asking about originates from the ECM-engine control module to the mass air flow sensor. I've circled pin 17 in red.Hope this helps and thanks again for using 2CarPros.

Danny-
Sep 11, 2020 at 8:11 AM
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