09' Mazda 3 not starting.

Tiny
CALTENCOX
  • MEMBER
  • 2009 MAZDA 3
  • 2.0L
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 125,000 MILES
One day the car wouldn't start. Does not make a sound when turn the key. The battery is 1.5 months old. Jumped the battery, it started. Since then, has not started even with a jump. Tested the battery, still good. Replaced the starter. Nothing. Windows, radio, and interior lights not working. Headlights work. All fuses checked and fine.
Wednesday, April 5th, 2017 AT 11:09 AM

5 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Sounds like the security system is stopping you from starting. try a reset see link.all cars have them from factory
https://www.2carpros.com/articles/how-to-reset-a-security-system
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Thursday, April 6th, 2017 AT 6:33 AM
Tiny
CALTENCOX
  • MEMBER
  • 2 POSTS
Thank you for your response. However, it did not work. When the car first would not start the key light was blinking in the dash, so we thought it was what you said. But then we jumped the battery and it started. Now it won't start at all. When my husband jumped the battery he connected the wrong terminals by accident (1st time ever) but it still started after he corrected his mistake. Now, nothing.
I should also add that he jumped the starter yesterday and the starter worked perfectly, but the engine wouldn't turn over. Any other thoughts?
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Thursday, April 6th, 2017 AT 1:52 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check all fuses under hood you should have explained everything from hooking p battery incorrectly it probably blew some fuses. Use a test light or volt meter then if it doesn't start use the security system thing again, you may have burnt a mega fuse to protect the electrical on the car the main fuse may be between starter and battery or in fuse box under hood look in both places.
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Thursday, April 6th, 2017 AT 4:19 PM
Tiny
DAZOOB
  • MEMBER
  • 3 POSTS
The positive battery connection on my 2010 Mazda 3 was is cause of those same issues for my car. There is a 250A fuse block attached to the battery terminal connecting ring and that ring either doesnt make complete contact with the battery so youre not getting enough volts, or the nut and bolt that attaches the fuse block to the terminal ring is not screwed on tightly enough. There is a semiconductor of somekind that bolt squeezes together. If its not a tight fit, no start but the lights work.
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Wednesday, May 5th, 2021 AT 9:39 PM
Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
That is great info. I am supplying the wiring diagram for this as it is a 250A on your engine but 450 on the 2.5L.
Also please let us know if we can assist you in the future. Thanks
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Thursday, May 6th, 2021 AT 10:50 AM

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