Friends g37

Ensaner · 11-18-2014, 12:20 AM

I was watching my friends g37, for a couple of days and when I was driving it the no key light popped up. (Every time I started the car it pops up, and always had problems locking/unlocking my car. I have to put the key directly next to the door to unlock it) then it happened again and the car just shut off then it wouldn't turn on, after trying and trying, I got it to turn on and the service engine light came on. I drove a little more than all the lights shut off[headlights, dash, center console] then the engine turned off so when I got it back on again the lights stayed off and said there was no key but I was able to get it back to home. The car is a 08 g37, and he just put a new battery in the key fob. Any ideas are appreciated.

90 ST · 11-18-2014, 02:56 AM

Have you tried the other fob?

DCNISMO · 11-18-2014, 07:37 AM

Perhaps the new Fob battery was old as well? I say go buy a new one. Maybe it sat on the shelf too long....also, did he take off the small plastic sheet that's on the battery? Its hard to see that and if you take it out of the package and don't look, you can leave it on accidentally.

7speed · 11-18-2014, 11:33 AM

The car itself may need a new battery.

Bad Boy · 11-18-2014, 11:39 AM

So you guys are saying if I leave my car ON at the gas station and walk away from it, it will shut off on its own when the fob is an appropriate distance from it?

SouthArk370Z · 11-18-2014, 12:43 PM

If the car will crank normally, then the car battery is probably OK.

Does the G37 have a "fobgina"? If so, insert the fob and, if the car starts normally, then the fob battery is low. If it doesn't start reliably, then the fob (or immobilization system) may be bad.
If no fobgina, then I'd replace the battery because racecar - they're cheap. Get a major brand and check the date on the package. If that doesn't work, then I would suspect a bad fob (or immobilization system).

SouthArk370Z · 11-18-2014, 12:47 PM

Quote:

Originally Posted by Bad Boy

So you guys are saying if I leave my car ON at the gas station and walk away from it, it will shut off on its own when the fob is an appropriate distance from it?

The car will RUN when the fob is out of range but, IIRC, it will not stay ON if the fob is out of range (and possibly no input to any of the control systems). You can verify with the Owner's Manual or FSM.

Hotrodz · 11-18-2014, 01:43 PM

Replace the battery in the fob first as suggested...$5. It worked for me. I was quoted $300 for a new fob and programing!

/Angelo350Z/ · 11-18-2014, 05:52 PM

Assuming the fob, fob battery, and the car battery are good, then the problem has to be whatever it is that senses the presence of the fob. I'm not sure what the technical name is, but does that make sense?

Ensaner · 11-20-2014, 12:06 PM

Thanks for all the replies, it's still acting up. I don't know if this helps but he said the first time it happened was when I left my keys in the car overnight so it kept saying press break to start car. & after it said there was no key or something similar.

11-18-2014, 12:20 AM	#1 (permalink)
Ensaner Base Member Join Date: Jul 2011 Location: New Jersey Posts: 95 Drives: 09 Z, 6MT Rep Power: 14	Friends g37 I was watching my friends g37, for a couple of days and when I was driving it the no key light popped up. (Every time I started the car it pops up, and always had problems locking/unlocking my car. I have to put the key directly next to the door to unlock it) then it happened again and the car just shut off then it wouldn't turn on, after trying and trying, I got it to turn on and the service engine light came on. I drove a little more than all the lights shut off[headlights, dash, center console] then the engine turned off so when I got it back on again the lights stayed off and said there was no key but I was able to get it back to home. The car is a 08 g37, and he just put a new battery in the key fob. Any ideas are appreciated.

11-18-2014, 07:37 AM	#3 (permalink)
DCNISMO Track Member Join Date: Nov 2011 Location: washington dc Posts: 995 Drives: Nismo Z Rep Power: 179	Perhaps the new Fob battery was old as well? I say go buy a new one. Maybe it sat on the shelf too long....also, did he take off the small plastic sheet that's on the battery? Its hard to see that and if you take it out of the package and don't look, you can leave it on accidentally. UNKNOWN_370 likes this.

11-18-2014, 11:33 AM	#4 (permalink)
7speed Track Member Join Date: Jan 2013 Location: Dallas Posts: 697 Drives: 09 370 sports clone Rep Power: 14	The car itself may need a new battery. __________________ 09 370z 6spd traded 1/12/15 for 15 Challenger RT 6spd

11-18-2014, 12:43 PM	#6 (permalink)
SouthArk370Z Premium Member Join Date: Nov 2010 Location: South Arkansas Posts: 8,435 Drives: 2014 Challenger Rep Power: 324198	If the car will crank normally, then the car battery is probably OK. Does the G37 have a "fobgina"? If so, insert the fob and, if the car starts normally, then the fob battery is low. If it doesn't start reliably, then the fob (or immobilization system) may be bad. If no fobgina, then I'd replace the battery because racecar - they're cheap. Get a major brand and check the date on the package. If that doesn't work, then I would suspect a bad fob (or immobilization system). __________________ Steering Lock Links - Search The370Z Bookmarklet - FSM @ NICOclub Mankind has progressed past the need for war but we haven't evolved that far. - NachoMahma

11-18-2014, 01:43 PM	#8 (permalink)
Hotrodz A True Z Fanatic Join Date: Aug 2012 Location: NW, AZ Posts: 9,330 Drives: 10 Nissan 370z Nismo Rep Power: 2684385	Replace the battery in the fob first as suggested...$5. It worked for me. I was quoted $300 for a new fob and programing! __________________ *Fast Intentions TT Installed and Tuned by Seb at SpecialtyZ 610whp 560tq:\|Fast Intentions 3" TT-TDX*\|SpecialtyZ/Fast Intentions 72 Row Oil Cooler\|SZ 6 Puck Clutch & Flywheel\|3GsCustoms\|Z1\|Wavetrac\|Hotchkis\|Whiteline \|Blitz\|Fortune Auto 500\|Fujimura\|SPL\|H&R\|TK\|TWM\|RPM Rollbar\|Sparco\|Next Level Performance\|TrackSpec\|AeroFlow Dynamics\|Pioneer\|

11-18-2014, 02:56 AM	#2 (permalink)
90 ST A True Z Fanatic Join Date: May 2010 Location: Calgary Posts: 1,861 Drives: 90 and 15 GMC Sierra Rep Power: 421	Have you tried the other fob?

11-18-2014, 11:39 AM	#5 (permalink)
Bad Boy Enthusiast Member Join Date: Aug 2014 Location: Orlando Age: 34 Posts: 295 Drives: 370Z 6SPD Touring Rep Power: 11	So you guys are saying if I leave my car ON at the gas station and walk away from it, it will shut off on its own when the fob is an appropriate distance from it?

11-18-2014, 05:52 PM	#9 (permalink)
/Angelo350Z/ A True Z Fanatic Join Date: Feb 2013 Location: Germany Posts: 2,230 Drives: Z34 \| MK7 \| F82 Rep Power: 3661	Assuming the fob, fob battery, and the car battery are good, then the problem has to be whatever it is that senses the presence of the fob. I'm not sure what the technical name is, but does that make sense? __________________ 2013 MB NISSAN 370Z SPORT

11-20-2014, 12:06 PM	#10 (permalink)
Ensaner Base Member Join Date: Jul 2011 Location: New Jersey Posts: 95 Drives: 09 Z, 6MT Rep Power: 14	Thanks for all the replies, it's still acting up. I don't know if this helps but he said the first time it happened was when I left my keys in the car overnight so it kept saying press break to start car. & after it said there was no key or something similar.

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