intelligent key fob range

Justice97 · 09-11-2014, 11:05 AM

Well as for distance reduction. None at all, I am two wall and about 75ft away and I set off my alarm when I lean against the inspection table and forget to take my keys out of my pocket.

kenchan · 09-11-2014, 11:06 AM

maybe the fob battery is low?

kenchan · 09-11-2014, 11:07 AM

maybe you got rf interference from nearby towers?

kenchan · 09-11-2014, 11:07 AM

maybe your fob switch itself is wearing out?

aszyd · 09-11-2014, 12:49 PM

Quote:

Originally Posted by chops

and yes, there is an auto-lock functionality. if your car is locked, then you unlock the car, and dont open the door within a certain time, the car will relock itself. however, if you're driving, park, shut the car off, and walk away, it will NOT relock.

Yet another one of Nissan's choices that confounds me! If auto-lock is possible, then why not give the driver the choice to enable it for regular driving? Same with the alarm, beep vs honk. Why can I not configure the alarm to beep with the FOB, rather than honk, especially since the honk can be disabled. Give us options! Their designers were really short sighted, IMO.

oakland 9424 · 09-11-2014, 12:57 PM

quick fix: short term put on temple and activate. head increases range ( i know , ********. works!). i would assume battery change is in order

Motionmagic · 09-11-2014, 01:03 PM

He has already changed the battery?

"ive bought 2 different pairs of CR2032 batteries from different, local stores (to avoid fake batteries online). the good by date is 2022! no idea why the range is so bad now"

chops · 09-11-2014, 01:04 PM

Quote:

Originally Posted by kenchan

maybe the fob battery is low?

nope. ive tried 4 different duracell's from the supermarket, target, amazon

Quote:

Originally Posted by kenchan

maybe you got rf interference from nearby towers?

could be..no idea what frequency these use

Quote:

Originally Posted by kenchan

maybe your fob switch itself is wearing out?

possibly. i do sit on it quite often. hmm this is probably the most likely

Quote:

Originally Posted by aszyd

Yet another one of Nissan's choices that confounds me! If auto-lock is possible, then why not give the driver the choice to enable it for regular driving? Same with the alarm, beep vs honk. Why can I not configure the alarm to beep with the FOB, rather than honk, especially since the honk can be disabled. Give us options! Their designers were really short sighted, IMO.

well, the doors also auto-lock once we hit 15mph. if you have navigation you can manually set the car to honk and/or beep when locking...etc. if you dont have navi, you can go to the dealer and ask them to modify the behavior using a consult III. its basically a fancy ODB reader. my dealership will do it for free for me since its a minor change that takes 10 sec

kenchan · 09-11-2014, 01:07 PM

chops- glad i could help.

SouthArk370Z · 09-12-2014, 08:30 AM

My first guess is that it's a low fob battery but you seem to have ruled that out. I'd check the antennas and make sure they haven't moved, coax isn't nicked/crushed, or that you haven't somehow blocked them when making mods. Details in FSM.

Edit: First thing I'd do is check the contacts on the fob battery holder. A good buffing with a piece of denim or other rough cloth or a few swipes with a pencil eraser will usually remove any corrosion that may be present.

MacCool · 09-12-2014, 08:38 AM

Quote:

Originally Posted by kenchan

maybe the fob battery is low?

This^. First place to start.

Quote:

Originally Posted by kenchan

maybe you got rf interference from nearby towers?

Maybe this.^

Quote:

Originally Posted by kenchan

maybe your fob switch itself is wearing out?

Nah.

4TthAnnyZ · 09-12-2014, 09:52 AM

My fobgina just stopped working all together. Battery indicator in the car says its still over half. So I guess it's just broken, a trip to the dealer to complain is in my near future.

kenchan · 09-12-2014, 10:13 AM

Quote:

Originally Posted by MacCool

Nah.

Spooler · 09-12-2014, 11:44 PM

Quote:

Originally Posted by kenchan

It relocks if I lock and unlock but don't open a door or gate.

Correct

OhioYJ · 04-19-2018, 05:54 AM

So not to bump a a dead thread, but this is the number one thread on Google, and the exact "problem" my 370 seems to be having. According to the FSM though, the super long range is abnormal. My car was the same way for a little over the first year. At work, even back in the lab which I can't even get cell phone signal if I leaned against my desk, I could set off "car alarm". It was actually annoying, as I've even come out to my windows down. When it changed all the sudden I immediately changed the battery.

Going through the FSM, they actually say the range is 31.5 inches from the door handles, and the hatch release, approximately. They do say range however will depend on ambient conditions.

Best I can tell from the FSM, the antennas, are just for the intelligent key function to tell where the key is. It appears the receiver in the center under the hood is the part that actually receives / handles the lock/unlock requests.

It does specifically say to use within 3ft of each door, should I just assume this is what I am stuck with now?

09-11-2014, 12:57 PM	#21 (permalink)
oakland 9424 Base Member Join Date: Mar 2011 Location: Canada Posts: 16 Drives: 2011 370Z 7ATLoaded Rep Power: 14	Fob quick fix: short term put on temple and activate. head increases range ( i know , ********. works!). i would assume battery change is in order

09-12-2014, 08:30 AM	#25 (permalink)
SouthArk370Z Premium Member Join Date: Nov 2010 Location: South Arkansas Posts: 8,435 Drives: 2014 Challenger Rep Power: 324197	My first guess is that it's a low fob battery but you seem to have ruled that out. I'd check the antennas and make sure they haven't moved, coax isn't nicked/crushed, or that you haven't somehow blocked them when making mods. Details in FSM. Edit: First thing I'd do is check the contacts on the fob battery holder. A good buffing with a piece of denim or other rough cloth or a few swipes with a pencil eraser will usually remove any corrosion that may be present. __________________ Steering Lock Links - Search The370Z Bookmarklet - FSM @ NICOclub Mankind has progressed past the need for war but we haven't evolved that far. - NachoMahma Last edited by SouthArk370Z; 09-12-2014 at 08:54 AM.

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09-11-2014, 11:05 AM	#16 (permalink)
Justice97 Enthusiast Member Join Date: Sep 2013 Location: San Antonio Posts: 387 Drives: 11 370Z MB M6 Rep Power: 15	Well as for distance reduction. None at all, I am two wall and about 75ft away and I set off my alarm when I lean against the inspection table and forget to take my keys out of my pocket.

09-11-2014, 11:06 AM	#17 (permalink)
kenchan A True Z Fanatic Join Date: Aug 2009 Location: N/A Posts: 76,801 Drives: N/A Rep Power: 141520	maybe the fob battery is low?

09-11-2014, 11:07 AM	#18 (permalink)
kenchan A True Z Fanatic Join Date: Aug 2009 Location: N/A Posts: 76,801 Drives: N/A Rep Power: 141520	maybe you got rf interference from nearby towers?

09-11-2014, 11:07 AM	#19 (permalink)
kenchan A True Z Fanatic Join Date: Aug 2009 Location: N/A Posts: 76,801 Drives: N/A Rep Power: 141520	maybe your fob switch itself is wearing out?

09-11-2014, 01:03 PM	#22 (permalink)
Motionmagic Base Member Join Date: Aug 2014 Location: Mobile, Alabama Age: 63 Posts: 14 Drives: 2009 370Z Base M/T Rep Power: 10	He has already changed the battery? "ive bought 2 different pairs of CR2032 batteries from different, local stores (to avoid fake batteries online). the good by date is 2022! no idea why the range is so bad now"

09-11-2014, 01:07 PM	#24 (permalink)
kenchan A True Z Fanatic Join Date: Aug 2009 Location: N/A Posts: 76,801 Drives: N/A Rep Power: 141520	chops- glad i could help.

09-12-2014, 09:52 AM	#27 (permalink)
4TthAnnyZ Base Member Join Date: Jul 2014 Location: Saint Cloud, MN Posts: 171 Drives: 2010 40th Rep Power: 10	My fobgina just stopped working all together. Battery indicator in the car says its still over half. So I guess it's just broken, a trip to the dealer to complain is in my near future.

04-19-2018, 05:54 AM	#30 (permalink)
OhioYJ Enthusiast Member Join Date: Nov 2016 Location: Ohio Posts: 261 Drives: 2016 370Z Rep Power: 952	So not to bump a a dead thread, but this is the number one thread on Google, and the exact "problem" my 370 seems to be having. According to the FSM though, the super long range is abnormal. My car was the same way for a little over the first year. At work, even back in the lab which I can't even get cell phone signal if I leaned against my desk, I could set off "car alarm". It was actually annoying, as I've even come out to my windows down. When it changed all the sudden I immediately changed the battery. Going through the FSM, they actually say the range is 31.5 inches from the door handles, and the hatch release, approximately. They do say range however will depend on ambient conditions. Best I can tell from the FSM, the antennas, are just for the intelligent key function to tell where the key is. It appears the receiver in the center under the hood is the part that actually receives / handles the lock/unlock requests. It does specifically say to use within 3ft of each door, should I just assume this is what I am stuck with now?