Immobilizer problems
Immobilizer problems
He towed it home and bought a set of ignition, boot and door locks and keys from a breaker, not knowing that immobiliser code is stored in the ECU. He did actually get the ECU as well, but since it came from an auto and his car is a manual he can't use it.
Anyway, the security light would of course never stop flashing when he inserted the new keys in the ignition.
He has now bought another set of locks, keys and an ECU, all from the same car. The new ECU and the ignition lock is in place, but still the security light keeps flashing when he inserts the proper key.
A Lexus mechanic told him that he would have to push the brake pedal 8 times within 5 seconds to make it work, but I'm not sure when you are supposed to do that. Does anyone recognize that procedure?
Is there a way to bypass or disable the immobilizer?
P.Lindblom
16-03-2019, 02:14 AM #1A friend of mine has bought an IS200 which has been used in a robbery and all the original keys are missing.
He towed it home and bought a set of ignition, boot and door locks and keys from a breaker, not knowing that immobiliser code is stored in the ECU. He did actually get the ECU as well, but since it came from an auto and his car is a manual he can't use it.
Anyway, the security light would of course never stop flashing when he inserted the new keys in the ignition.
He has now bought another set of locks, keys and an ECU, all from the same car. The new ECU and the ignition lock is in place, but still the security light keeps flashing when he inserts the proper key.
A Lexus mechanic told him that he would have to push the brake pedal 8 times within 5 seconds to make it work, but I'm not sure when you are supposed to do that. Does anyone recognize that procedure?
Is there a way to bypass or disable the immobilizer?
![[Image: LexuS-Copy.jpg]](http://i65.photobucket.com/albums/h204/Sparkystav/LexuS-Copy.jpg)
Read my thread here: The Evolution of my Turbo Lexus from NA-Supercharged-Twin Turbo-Massive Single
Please leave your comments.
Sparkystav
16-03-2019, 03:40 AM #2unfortuantly the immobiliser circuitry is built into the ecu so i dont know of anyway to do it, i have read about the pressing the brakes before though, have a look at the key programming write ups i think its in there,
Read my thread here: The Evolution of my Turbo Lexus from NA-Supercharged-Twin Turbo-Massive Single
Please leave your comments.
surely if he changed the ecu and had the new keys it should have worked though unless there is a different problem if it was used in a robbery and all keys are now missing are all the wires to the sensor still connected etc in the steering column ?
Sparkystav unfortuantly the immobiliser circuitry is built into the ecu so i dont know of anyway to do it, i have read about the pressing the brakes before though, have a look at the key programming write ups i think its in there,It would be interesting to know which chip is in control of the immobiliser. I've seen separate transponder chips for different ECUs on Ebay, but I wouldn't start messing around too much inside the ECU unless I'm completely sure what I'm doing
Rabster surely if he changed the ecu and had the new keys it should have worked though unless there is a different problem if it was used in a robbery and all keys are now missing are all the wires to the sensor still connected etc in the steering column ?That's what I thought. He just called me and told me he managed to start the car. The problem turned out to be that the EFI fuse was removed from the fuse box. He put it back and the car started on the first try, for the first time since he bought it.
P.Lindblom
16-03-2019, 08:18 AM #4Thanks for your replies
Sparkystav unfortuantly the immobiliser circuitry is built into the ecu so i dont know of anyway to do it, i have read about the pressing the brakes before though, have a look at the key programming write ups i think its in there,It would be interesting to know which chip is in control of the immobiliser. I've seen separate transponder chips for different ECUs on Ebay, but I wouldn't start messing around too much inside the ECU unless I'm completely sure what I'm doing
Rabster surely if he changed the ecu and had the new keys it should have worked though unless there is a different problem if it was used in a robbery and all keys are now missing are all the wires to the sensor still connected etc in the steering column ?That's what I thought. He just called me and told me he managed to start the car. The problem turned out to be that the EFI fuse was removed from the fuse box. He put it back and the car started on the first try, for the first time since he bought it.
2002 '02' IS200 SE Auto - DVD Satnav with Voice Activation - [COLOR="Blue"]Strathcaron Blue - Parking Sensors - 5000K HIDs with Anti-Glare Bulbs - PIAA 6500K Main Beams - LED Sidelights - Mirror/Sunroof Closure - TTE Styling Kit - 18" Styling Kit Alloys with nitrogen filled Goodyear Eagle F1 Asymmetric Tyres - Bluetouch Multimedia Kit - Gromaudio AUX in - Black painted calipers with silver Lexus decals - 12 LED Dome Light - 96 LED Boot Light - Stainless Steel Sport Sill Plates - PIAA Silicone Wipers[/COLOR]
Lucky that was a simple fix!
2002 '02' IS200 SE Auto - DVD Satnav with Voice Activation - [COLOR="Blue"]Strathcaron Blue - Parking Sensors - 5000K HIDs with Anti-Glare Bulbs - PIAA 6500K Main Beams - LED Sidelights - Mirror/Sunroof Closure - TTE Styling Kit - 18" Styling Kit Alloys with nitrogen filled Goodyear Eagle F1 Asymmetric Tyres - Bluetouch Multimedia Kit - Gromaudio AUX in - Black painted calipers with silver Lexus decals - 12 LED Dome Light - 96 LED Boot Light - Stainless Steel Sport Sill Plates - PIAA Silicone Wipers[/COLOR]
Read my thread here: The Evolution of my Turbo Lexus from NA-Supercharged-Twin Turbo-Massive Single
Please leave your comments.
Sparkystav
16-03-2019, 01:20 PM #6Lol that's a pretty important fuse. No wonder it didn't start.
Read my thread here: The Evolution of my Turbo Lexus from NA-Supercharged-Twin Turbo-Massive Single
Please leave your comments.
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