Question about 1986 Toyota Corolla 2 Door

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Hot keys I have this assembled car using toyota 4k engine. I am wondering why is that whenever I turned-on the head light, the ignition key, including the parts around it and the wiring from the ignition key parts gets hot. I am thinking it have short circuit. Any suggestion or comment please. Ruben, Philippines

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Sounds like a short circuit to me, check all wires in the area that is getting ho, make sure that all conections are tight and that there is no bare wire. Another possible fault could be too much power going through a wire but that would tend to make whole wire hot.

Posted on Oct 16, 2017


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This is a trickey one, you have to shake the steering wheel, Left & right sideways,While holding the key over. You may need help with this.

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SOURCE: Key won't turn in ignition, 2001 Toyota 4Runner

I have the same problem. I put some graphite down the key hole and pushed it around in there and it loosened it up a bit to the point I could turn the ignition. If you have a replacement key, start using that. It should help as well.Teeth on old key may be wearing down. Lastly, I keep a screwdriver in the car to whack against key when it's in the ignition if it's stuck. A few taps on the key will always unlock the ignition.

Or, go but a new ignition and key set....

Posted on Jul 11, 2009

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2000 oldsmobile silhouette has error P1626 Theft Deterrent Fuel Enable Signal Lost. Now sputters at 4k rpm and a occasion backfires through throttle body.. Please help

Your best bet is to take your vehicle to a repair shop that has diagnostic tools an know how to fix this problem . There is also a DTC in the BCM . DTC B2960 Invalid Coded Key Present

The vehicle VTD functions are provided by the Pass Key?® III system. Pass Key?® III consists of an ignition key with a transponder embedded in the head, the theft deterrent controller module, the exciter assembly, and the PCM.
The exciter assembly is an antenna which is made up of wire coils which surround the ignition lock cylinder. These coils, powered by the theft deterrent controller module, emit electromagnetic energy which energizes the transponder pellet within the head of the key. The energized transponder transmits a unique value by radio frequency which is detected by the exciter. The theft deterrent controller module receives and compares this value to one stored in memory (a learned value). If the received transponder value matches a learned value, the theft deterrent controller module sends a password via the class 2 serial data line to the PCM. The PCM compares this password to one stored in memory (a learned password). If the passwords match the PCM enables engine starting.

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  • 1 First you will need to purchase a blank Toyota transponder key. You can do this from the dealership, a locksmith, or an online source such as eBay. Once you have the key, take the blank key and the master key to a locksmith that he or she can duplicate the key. This will be much cheaper than the dealership.
  • 2 Now that you have the newly cut key and the master key, you can program the Toyota transponder key. Sit in the driver's side of the Toyota vehicle. Press and release the brake and gas pedal simultaneously.
  • 3 Insert the master transponder key. Do not turn it. Push and release the gas pedal 5 times within at least 15 seconds of inserting the master key.
  • 4 Press and release the brake pedal 6 times within 20 seconds of completing step 3, then remove the master transponder key.
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    This warning lamp indicates that the engine is locked by the immobilizer system, and the engine start sequence must be repeat again.

    From year 1995 in Audi-VW (VAG) cars is used engine immobilizer. The VAG group immobilizer system consists of an immobilizer ECU which controls the recognition of keys and the Engine Management ECU system. Immobilizer is activated when the ignition key is removed and, together with the engine control unit, largely prevents unauthorized starting of the engine. The system uses a transmitter and receiver unit in the ignition key (transponder). Whenever an attempt is made to start the engine, it transmits a new code to the car's electronics. The immobilizing is only cancelled and car motor electronic receives permission to start engine if the key sends a right authorization code.


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    3) On the underside of the ignition assembly, you'll see a small hole (~1/4′) about 2 inches back from where the key goes. Using the 5/32′ drill bit, drill up into the hole, trying to center the drill bit on the pin which is inside the hole. You can normally push this retaining pin in if the ignition is turned to the first position and slide the cylinder out.
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    5) The new cylinder should slide right in (with the key inserted and turned to the first position - ACC)
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