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lexsin4304

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  • Lexus Model
    ls400

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  1. Can you program a 91 ls400's keyless entry? If so does anyone know the programming instructions? I've tried te programming instructions listed below but it still is not working. Is there a fuse that needs/can be replaced? Can i buy another key, and if so, where at? By the way, remote key button is on. Can someone help me out plz?! This is the programming instructions I tried b4: 1. Driver's door OPEN and unlocked, all other doors closed and locked. 2. Insert YOUR key in ignition, DO NOT TURN, remove key. 3. Using the MANUAL lock/unlock button ON THE DRIVERS DOOR, slowly press lock and unlock 5 times (count the lock 5 times and unlock 5 times). 4. Shut door. 5. Open door. 6. Using the lock/unlock button ON THE DRIVERS DOOR, slowly press lock and unlock 5 times (count the lock 5 times and unlock 5 times). 7. With the door open insert your key into the ignition, turn to on position (DON'T START), wait 5 seconds. Turn off and remove key. 8. Locks should cycle once (Car will lock and then unlock once). If they don't cycle or they cycle more than once, do steps 1-7 over. 9. Now using the remote, push lock button, hold for one second, release. The locks should cycle once. If not, start over and go slower. 10. Close the door. Open the door. Press the lock button on the remote. The locks should cycle. Close the door. Press the lock button on the remote, the doors should lock. Press again and the doors should unlock.
  2. Ty for being so patient and informative.lol. It was driving me crazy not knowing what was going on. It doesn't come on alot but it does every now and again. I'll check my coolant levels and let you all know the outcome.
  3. there is also an alternator fuse that may be blown...could that be an issue u know. if so, i believe it still needs replaced, how do i take it out. i tried but i couldnt get it.
  4. I'm gonna try to explain this the best way i can.lol. there is a symbol that comes on that sorta looks like a roman building with pillars and a roof. i don't have a manual so i don't know what this means. i've been searching all over the internet trying to find an answer. if anyone knows what that means, plz let me know.
  5. Actually! I have a 90 LS400 and my car did shut off during driving and it did turn out to be the alternator. It was last winter....I was driving home from a club. I got stuck on the snow and tried applying gas to get out...I did manage to get out but I noticed that the "battery" light turned on, which I know from experience in previous cars that this meant that there was an electrical problem, usually it meant that the car was using the "battery" as a main source of power. Needless to say, I did manage to drive for about 45mins on the high way and about 5 blocks away from my house I started to notice the light get dimmer and dimmer until about a block away from my house when the car just shut off while I was at a stop sign and did not start again. I tried jump starting it and it did start but as soon as I disconnected the jumper cables it died again. I eventually had to take the battery out of my second car, put it on the Lexus, it started right up, drove it to my house and the next morning I drove it to the mechanic not too far from my house, where he changed the alternator and the car has been running fine ever since. By the way, if you do get the alternator replaced, you may have the power steering pump replaced at that time too. I say this because, I don't know about your car but there was a steering fluid leak in my car which was dripping on top of the alternator and may have been a caused for the alternator to eventually go bad. If you do have such as leak, it is cheaper to do both jobs at once than to replace the alternator and then have to pay extra money for labor for replacing the power steering pump later. ty for the response, that may be the case because i do have a power steering leak i think. when i goto get the alternator replaced, i'll just get it replaced. by the way, i just noticed the alternator has it's own fuse, i believe it's blown...could that possibly be a cause also. if so, how do i change it?
  6. Actually! I have a 90 LS400 and my car did shut off during driving and it did turn out to be the alternator. It was last winter....I was driving home from a club. I got stuck on the snow and tried applying gas to get out...I did manage to get out but I noticed that the "battery" light turned on, which I know from experience in previous cars that this meant that there was an electrical problem, usually it meant that the car was using the "battery" as a main source of power. Needless to say, I did manage to drive for about 45mins on the high way and about 5 blocks away from my house I started to notice the light get dimmer and dimmer until about a block away from my house when the car just shut off while I was at a stop sign and did not start again. I tried jump starting it and it did start but as soon as I disconnected the jumper cables it died again. I eventually had to take the battery out of my second car, put it on the Lexus, it started right up, drove it to my house and the next morning I drove it to the mechanic not too far from my house, where he changed the alternator and the car has been running fine ever since. By the way, if you do get the alternator replaced, you may have the power steering pump replaced at that time too. I say this because, I don't know about your car but there was a steering fluid leak in my car which was dripping on top of the alternator and may have been a caused for the alternator to eventually go bad. If you do have such as leak, it is cheaper to do both jobs at once than to replace the alternator and then have to pay extra money for labor for replacing the power steering pump later.
  7. Hi, i'm new to this site and i recently purchased my first lexus about a month ago. It's a 91 ls400. i was driving down the street and my car began to lose power. The radio cut off and all of the lights began to dim. It also started taking more and more gas power to gain acceleration. Once the car was parked i tried to trouble shoot. i attempted to start iot back up but all it would do is click. I've never had any problems with the car until now. it just came out of nowhere. Is it my battery or possible alternator issues? Can someone help plz. thanx
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