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Not cranking

Tiny
CASSIE MICHELLE BELKNAP
  • MEMBER
  • 2002 NISSAN ALTIMA
  • 2.5L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 190,000 MILES
Car won't crank, nothing happens when turning key over except I do hear the fuel pump in back seat. We checked the battery alternator starter camshaft crankshaft sensors spark plugs still nothing. Help please.
Sunday, February 3rd, 2019 AT 9:48 PM

10 Replies

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

Since you guys have checked the crankshaft position sensor, I would look at the starter. Here are step by step instructions on how to test the starter. I would also double check the crankshaft position sensor as well, and down below I have included the instructions and a couple of wiring diagrams for you as well. Let us know what you find out.

Thanks,
Alex
2CarPros
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Monday, May 17th, 2021 AT 6:45 PM
Tiny
CASSIE MICHELLE BELKNAP
  • MEMBER
  • 5 POSTS
Are there any how to videos to check starter circuit? I have a multi-meter no alligator clips though and I'm new at this electric testing and could use a step by step guide written or video.
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Monday, May 17th, 2021 AT 6:45 PM
Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

Here are a couple of links explaining how to use a multi-meter/voltmeter:

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

I also have included a flow chart for the starting/charging system below. Let me know if you need any more help. Thanks

Alex,
2carpros
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Monday, May 17th, 2021 AT 6:45 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,072 POSTS
Here is a good guide on the starter not working:

https://www.2carpros.com/articles/starter-not-working-repair

Please run down this guide and report back.

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Monday, May 17th, 2021 AT 6:45 PM
Tiny
CASSIE MICHELLE BELKNAP
  • MEMBER
  • 5 POSTS
The starter works everything works the starter alternator battery engine etc, etc, etc. Just nothing happens when I turn the key except power to the fuses and interior systems. Can't figure out why the ignition isn't starting the car. I do recall the alternator positive connect hit ground when checking the alternator. Could that be the issue? It was the big black with red stripe wire.
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Monday, May 17th, 2021 AT 6:45 PM
Tiny
SCGRANTURISMO
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Hello again,

Both the link that ken gave and the guide that I gave are excellent step by step instructional aids for tracking down your vehicles problem. It is a lot easier to go through these guides then it looks. Go through them and let us know what you find out. We will be more than happy to help with any questions that you may have.

Thank you,
Alex
2CarPros
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Monday, May 17th, 2021 AT 6:45 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
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Can you please shoot a quick video with your phone so we can hear the noise? That would be great. You can upload it here with your response.
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Monday, May 17th, 2021 AT 6:45 PM
Tiny
CASSIE MICHELLE BELKNAP
  • MEMBER
  • 5 POSTS
Any way to check the fuses connected to the battery fuse box or fuse links or even the whole fuse box on positive battery terminal? I don't see any corrosion or blown fuses but I have a feeling this is the area causing my no crank, no start no, sound issue after grounding the positive alternator terminal.
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Monday, May 17th, 2021 AT 6:45 PM
Tiny
SCGRANTURISMO
  • MECHANIC
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Hello again,

I have included in the diagrams down below the fuse box diagrams you requested. I have also included a flowchart with troubleshooting guide for the starting system as well as charging/starting system wiring diagrams. Go through the flowchart and let us know what you find out.

Thanks,
Alex
2CarPros
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Monday, May 17th, 2021 AT 6:45 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
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Here is a guide that with help you test the fuses and the fuse locations below:

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

Check out the diagrams (below). Please let us know what you find.
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Monday, May 17th, 2021 AT 6:45 PM

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