My 97 Lexus LS 400 won't start after my alarm went off?
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My 97 Lexus LS 400 won't start after my alarm went off?
So I locked myself out of my car by leaving my keys in the trunk while loading stuff and shut the trunk. To my horror I had to call a locksmith. They got the door open but it set off my alarm (Which I didn't even know I had!) It did something to where I couldn't open the trunk with the latch, so the next day I went to get a mechanical copy made at a Toyota/Lexus dealership. Brought it back, got my trunk open. Now My car won't start. Is there a starter kill switch on it? What can I do to reset it? Please help because I tried to reset it from an advice given by someone on the forum where I open the trunk with the key and the door with the remote door unlocks but it still doesn't work. I didn't mess up my car did I and have to get a new starter?
#2
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Welcome to the forum. Tough way to learn, yes there is a starter kill built into the car.
The '97 key has a transponder chip built into it. If the new key does not have a transponder, it will only crank the starter but not start up. That key is only good to open the doors and if a master cut, lock-unlock the glove box and trunk. If it does have a transpoder chip, it has to be programmed to the car. Instructions are available in a search for key programming.
In addition, use you prior working key. Lock-unlock the driver door with it. Insert it to ACC-On and the ECU should recognize a valid key and start the car. If not, pull the main ECU fuse for 15 seconds then re-insert and try starting, the error code will be cleared.
The '97 key has a transponder chip built into it. If the new key does not have a transponder, it will only crank the starter but not start up. That key is only good to open the doors and if a master cut, lock-unlock the glove box and trunk. If it does have a transpoder chip, it has to be programmed to the car. Instructions are available in a search for key programming.
In addition, use you prior working key. Lock-unlock the driver door with it. Insert it to ACC-On and the ECU should recognize a valid key and start the car. If not, pull the main ECU fuse for 15 seconds then re-insert and try starting, the error code will be cleared.
Last edited by RA40; 08-02-10 at 02:02 PM.
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Thanks for the warm welcome RA40. I did what you suggested to the tee, and it still doesn't work. I tried it on ACC and On. Since there were 4 settings in the ignition. Lock ACC On and something else I forget. I only heard 1 click. I don't see an error message. Where would the error message display? On the display that shows the temperature? I even took out the fuse like you suggested. The ECU-B and the big fuse that said Engine. Any other ideas?
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By cranking normally, do you mean the click click click sound. There's only 1 click sound, and when I try again there's no click sound. The check engine light and the battery light turns on. What is PD? Sorry I'm a noob
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I'm reading the manual, and it says that the theft-deterrent system engages the immobilization of my engine. I think that's why it isn't turning on. Any idea how I can mobilize it again?
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Did you disconnect the battery for a few minutes and reconnect it?
If so :
I think the problem may lie in one of the fuses or relays of one of these:
Theft deterrent
Alarm System
Immobilizer System
What I've done in the past on another car was just pull one fuse after another(one that might be related to the problem..I didn't take the head light fuses out for example) and try to crank after every fuse...
Good Luck!
If so :
I think the problem may lie in one of the fuses or relays of one of these:
Theft deterrent
Alarm System
Immobilizer System
What I've done in the past on another car was just pull one fuse after another(one that might be related to the problem..I didn't take the head light fuses out for example) and try to crank after every fuse...
Good Luck!
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Yeah I've been using the key that I've been using. I just needed to get a mechanical key made so I can get into the trunk where the original key I've been using was in
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Yes that's important to check for. Every time you pull a fuse ,try to crank and see what happens.
Before you do this though,
I would first start with disconnecting the battery.
After disconnecting it keep it disconnected for a few minutes.
Reconnect it and try try to use the remote.
Lock and unlock all the doors with the remote.
Then try to crank.
If that fails try the fuse approach
Before you do this though,
I would first start with disconnecting the battery.
After disconnecting it keep it disconnected for a few minutes.
Reconnect it and try try to use the remote.
Lock and unlock all the doors with the remote.
Then try to crank.
If that fails try the fuse approach
Last edited by lexuslspro; 08-02-10 at 06:35 PM.
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Yes that's important to check for. Every time you pull a fuse ,try to crank and see what happens.
Before you do this though,
I would first start with disconnecting the battery.
After disconnecting it keep it disconnected for a few minutes.
Reconnect it and try try to use the remote.
Lock and unlock all the doors with the remote.
Then try to crank.
If that fails try the fuse approach
Before you do this though,
I would first start with disconnecting the battery.
After disconnecting it keep it disconnected for a few minutes.
Reconnect it and try try to use the remote.
Lock and unlock all the doors with the remote.
Then try to crank.
If that fails try the fuse approach
Do this in place of the italicized step.
Your very welcome!
#14
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Bad news...if it is the starter, it sits beneath the intake plenum and is a PITA. There are tutorials here if you want to see what some have done. I forget what I paid, neighborhood of $800. Included a re-manufactured by Toyota starter and applicable gaskets. Other dealer shops hit $1,100. Shop around if this is the case.
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I noticed at the bottom of the steering column above the brakes is a little black button, what does that do? There's also a hole that looks a like a 12v socket underneath.