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Can I get the ECU pinout diagram?

Tiny
JANNAR0830
  • MEMBER
  • 1996 NISSAN SENTRA
  • 150,000 MILES
Does anyone know the ECU pinout diagram of a Nissan Sentra super saloon AT and its expected voltage?

Monday, January 15th, 2024 AT 2:25 PM

9 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,269 POSTS
Hi,

I'm not familiar with a Super Saloon. When I checked on a 1996, I was only provided with one option in two different manuals, so I'm not sure if you are located in the US or not and have something different.

Take a look at what I attached. It is for 1996 Sentra L4-1597cc 1.6L DOHC MFI (GA16DE) It includes ECM information for either an automatic or manual transmission.

Take a look through the pics and let me know if they help.

Take care,

Joe

See pics below.
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Monday, January 15th, 2024 AT 7:38 PM
Tiny
JANNAR0830
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  • 6 POSTS
I have a 64-pin label 8Q mec-N103 that has blown out then and I purchased a replacement with labeled mec-n105. I need some wiring diagram of this ECU to diagnose some voltage output and input in my ECU.
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Tuesday, January 16th, 2024 AT 2:58 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,269 POSTS
Hi,

The one I provided is the only thing in my manual. Is this a traditional Sentra as I identified above? I just went through all the powertrain management schematics. At the ECM, there is nothing that indicates a different connector.

Could you upload a few pics for me to see what you are working with? I even tried finding the part using the part numbers you mentioned without success.

Let me know.

Joe
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Tuesday, January 16th, 2024 AT 3:42 PM
Tiny
JANNAR0830
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  • 6 POSTS
Here is my ECU.
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Wednesday, January 17th, 2024 AT 11:38 PM
Tiny
JANNAR0830
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  • 6 POSTS
And here is the one I bought from another car. Mine has a code MEC-N103 and this one I just bought has a code of MEC-N105AA.
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Wednesday, January 17th, 2024 AT 11:41 PM
Tiny
JANNAR0830
  • MEMBER
  • 6 POSTS
I wonder if both of these ECUs have the same ECU pinout diagram as they have the same ECU connector. Both ECUs were from a Nissan super saloon 95or 96 model and b14.
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Wednesday, January 17th, 2024 AT 11:42 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,269 POSTS
Hi,

It is possible the pinout would be the same. I just don't have a way to confirm it. Have you tried the replacement part? If you have, how did it respond?

Joe
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Thursday, January 18th, 2024 AT 1:41 PM
Tiny
JANNAR0830
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I did try it in my car and my car ran. But I don't know if all sensor was in the right pin out.
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Saturday, January 20th, 2024 AT 5:41 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,269 POSTS
Hi,

Are there any indicators of problems such as a check engine light staying on while the engine is running?

Let me know.

Joe
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Saturday, January 20th, 2024 AT 8:41 PM

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