lovejoy Posted February 6, 2018 Share Posted February 6, 2018 Hello All, can anyone throw some light on how to solve this problem please? Parked said reliable Hyundai Atoz (same as Amica) and didn't use for a month,now all it does is instantly fire up, and immediately die... I know, you all say a dead Atoz is the best one, but seriously now... The ignition key does NOT have a battery inside, or any buttons to press, I believe it is just an energised circuit from RF transmitted by a coil behind theignition switch, that sends back a code, to the hidden ECU. The car is worth diddly squat, so having a new key cut at 120 pounds ( there was only one key with it when I bought it) in the hope that'll fix it, Jim, is a no no... any suggestions as how I can bypass this whole nonsense?No one in their right mind would want to steal an AtoZ anyway, but it only has60,000 miles on it, recent new cambelt, "was" dead reliable, they are know to be. Is it the recent cold temperatures that have buggered it, must I wait six months?? it would appear from googling this problem is not unique !! Link to comment Share on other sites More sharing options...
Rocket88 Posted February 6, 2018 Share Posted February 6, 2018 Once had this on a Megane..........alternator had died............ Link to comment Share on other sites More sharing options...
DodgeRover Posted February 6, 2018 Share Posted February 6, 2018 Doesn't sound like an immobiliser fault, has it got a decent amount of fuel in the tank? When was the fuel filter last changed? Link to comment Share on other sites More sharing options...
tommytwo Posted February 6, 2018 Share Posted February 6, 2018 Has the ignition circuit got a resistance fitted to it? If so, and this has failed, then it will start and when the key is released, the engine will stop. Doesn't sound like an immobilizer problem. Link to comment Share on other sites More sharing options...
Guest Posted February 6, 2018 Share Posted February 6, 2018 Disconnect the battery, make sure it has a good charge, connect the battery again with the ignition on, then try again. Does possibly sound like an immob issue, just rolling code may be out of sync. immob usually allows it to fire then won't give a run signal. Link to comment Share on other sites More sharing options...
lovejoy Posted February 6, 2018 Author Share Posted February 6, 2018 Aha, thanks for replies, it was pushed to a nearby small repair garage, who had a quick look, and it was they who quoted said price for a new key... Barry, what's with a "rolling code"?? does the system alter the code each time the car is started,so the key expects a different code to appear? I wondered about the fuel filter too, there's plenty of fuel in the tank, the garage said they connectedan OBD 2 reader and it showed an immobiliser fault, but this is not a pukka Hyundai service garage,just a small High St. friendly place, who has done work for me before.... I am curious to know if there's a way to totally bypass this system, the Atosses in 3rd word countries,( where I am now, it's 24c) don't have all this crap fitted, maybe the ECU is programmed to ignorethat info - less to go wrong = more reliable... I don't think there is a ballast resistor in series with ignition coil, which is totally hidden below inlet manifold, but there is very little service / tech info on both these Atoz and Amica models. In the main, they are known for being boringly reliable, which has been my / our experience of quite a few of them overseas . Link to comment Share on other sites More sharing options...
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