[Mk2] [NA] Key Fob Sync

[james13009]

I have a '97 MR2 mk2, last night one of the key fobs has lost synchronisation with the car it would seem. Changed the battery over this morning still no good. Red light flashes on the key fob.

I've heard there might be a sequence of removing the battery / pressing buttons required to resynchronise ?
James

[JohnnyC]

I believe you have to stand close to the car and hold both buttons on the fob for 20 seconds (assuming it's a factory alarm on a UK car).

[james13009]

Factory Fit, UK car. Is that with the car already unlocked or locked?

(My other fob works fine)

[james13009]

tried both doesn't seem to want to work. Is there anything else, i need to know/do before or after.

[aliendoughnut]

the toyota owners manual says in case the system has lost synchronisation, press both buttons of the remote simultaneously for 2 seconds hope this helps

[llcoolj]

Hi,
Just bought a spare fob from ebay.

Does anyone know how to reprogram a new fob?

I have a TVSS III alarm on a 98 UK MR2, on the back of the fob it reads RTT/D/X 1123 and the part no. is 08191-00880.

[GA54 BLS]

Has anyone managed to find the answer to this? Bought a new fob from eBay, 2nd hand. Tried every combination to reprogram it tna.

Thanks,
Gaz

[aliendoughnut]

found this on another forum

Re: Program Key fob??
by Hilly » Fri Sep 18, 2009 7:45 am

You could try the fob reset not sure if its going to do anything unless its programmed.

Take battery out of fob.
Get well away from car.
Press down both fob buttons for 30 seconds
Re-assemble fob.
Go to car press unlock twice.

This corrects fobs that have become unsynced with the car, not sure if it will do anything but worth a try.

[GA54 BLS]

Nfortubately this only works if the fob has been programmer to that specific ecu in the past.

[jasongtr]

i have a couple of fobs that ill be selling soon (prob sold to a mate) would it be better to sell them with the ecu from that car and the alarm control boxes?

the car is a uk rev4 (mates is a uk rev3)

[ancient mariner]

Has anyone managed to find the answer to this? Bought a new fob from eBay, 2nd hand. Tried every combination to reprogram it tna.

Thanks,
Gaz

after having the same problem,i managed to find the relevant information.
send me a pm with your email address,and i will forward it on to you. paul.

[Balllsy]

Hi guys, newbie just joined via google search for the fob problem.

sorry to drag up such an old thread but it is relevant to my problem.

I am having the same issue and would like to know if there is a way of reprogramming the fob (part number 08191-00880) without ripping out the dash.

Any help greatly appreciated.

if you need to email carl1008 at hotmail dot com

Thanks

Balllsy

[aliendoughnut]

Hi guys, newbie just joined via google search for the fob problem.

sorry to drag up such an old thread but it is relevant to my problem.

I am having the same issue and would like to know if there is a way of reprogramming the fob (part number 08191-00880) without ripping out the dash.

Any help greatly appreciated.

if you need to email carl1008 at hotmail dot com

Thanks



Balllsy

occasionally mine stops working i fix by pressing both buttons on the fob together for a few seconds then pres unlock twice it works for me (same part number)

[Balllsy]

Thanks for the reply, I think I am going to get 2 fobs from ebay as one is taped up to stop things dropping out and the other the battery moves about inside as one of the ridges that keeps it in one place is broken.

Hopefully I can take the boards out of mine and put them in the better condition ones.

[mwmackenzie]

Just had this issue with mine once changing the battery, The battery out, hold both buttons for 30 seconds and then pop back together go to car and unlock twice fixed it.....

Thanks guys!

[Soupdragon]

there is a guide here,i cannot post links yet but put the normal stuff before what i typed.
mr2oc.co.uk/know-your-2-knowledge-base.html?catid=11&prodid=0&kbartid=274