I was wondering how to create the "Ultimate" Key
Basically, I found this article on making the TSX key fit into the Accord key
Quote:
I bought the key from a Honda dealership for 40 dollars. You can get it on eBay for cheaper, but I dont trust eBay.
Accord Key Part #35118-SDA-A11
Accord Integrated Key Fob Transplant
Installation Car – 2004 Acura TSX
Required Time – 1.5 Hours (estimated)
DIY by: Jonnerd154
This mod allows you to use the 2005 Honda Accord key fob with the TSX. It requires an artistic patience and time.
Parts:
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- 2003 - 2005 Honda Accord Key Fob (Honda P/N 35118-SDA-A11)
- Your TSX key that has it’s immobilizer chip already programmed
Tools Required:
- Dremel with cutting wheels and tungsten grinding bit
- Miniature Phillips screwdriver
- Hobby Knife
- Butane Torch (optional, but makes trimming the plastic MUCH easier)
- 5 Minute Epoxy
- Permanent marker
Disassembly of old key:
1. First of all some background knowledge to protect you from ruining your immobilizer chip: The chip sits directly under the “A” Acura symbol on the key. DO NOT DAMAGE IT.
2. Take your hobby knife and gently pry the “A” symbol off the key. You will reuse this, so keep it looking nice. It is attached only with a piece of double stick tape.
3. Begin shaving the plastic off of the key. Heating the knife will help a lot, but be careful of the immobilizer.
4. When you are done this is what you should have:
< -- Key, Immobilizer chip, and “A” symbol
Working with the new key:
1. Open up the new Accord key.
2. Remove the keyless entry module and set it aside to avoid damage.
3. Take your knife and cut out the section of plastic that holds the metal part of the key in place. Remove the Accord’s metal key.
4. Place the metal Accord key on top of the TSX key and using your permanent marker, mark the TSX key to show what needs to be cut off. The idea is to make the heads of both keys be identical. NOTE: The Accord key is NOT the same length as the TSX key. You need to line up the keys based on where they “exit” the key’s body, NOT the tips of the keys.
5. Using the Dremel and a cutting wheel, cut the TSX key on the lines you just made.
6. Using the Dremel and the Tungsten grinding bit, make the two keys look as close as possible. Continue test fitting the TSX key into the Accord fob until it fits. It should be snug – don’t over-do it!
7. Using the Dremel and the Tungsten grinding bit, grind out the TSX key where the screw hole is on the Accord key. These threads will be replaced by epoxy.
8. Remove the immobilizer case cover and remove the Accord’s chip. Removing the chip was very hard on mine, and I wound up cracking the inside side of the case to allow me to pry it out.
9. Place the TSX immobilizer chip in the Accord key in the same orientation that the Accord’s was in (the chip is “keyed” with a non-rectangular side).
10. Using your Dremel and the Tungsten grinding bit remove the plastic bracing material that is in the inside of the case (the side that has the “H” on it). It is important to remove all of it but not scar the outside surface. Make sure to get the material in the corners too.
11. Place the TSX metal key in the Accord fob and close up the case. Make any adjustments to the key opening to allow a complete close of the case.
12. Take your knife and remove the “H” symbol on the case. It is held on with stick tape. I suggest you pry from the bottom center where the “A” symbol will cover so you don’t have a nasty scratch.
13. After test fitting the key and making SURE that everything is the way you want it mix up some epoxy. Coat the bottom side of the key and place the metal key in the Accord fob. Don’t put so much on that it oozes out onto the outside key surface.
14. Glob some epoxy on the top of the key. Try to keep it under control so it does not get into the area that the keyless system occupies.
15. Wait for it to cure for about 30 minutes.
16. The epoxy should be dry enough to slice easily. Trim the glue on the top of the key so that the case top will not interfere with it. Remove the glue that got on the keyless entry area.
17. Close the case and check to be sure that the case shuts fully. If not, either cut some more material out of the top of the case, or trim the epoxy on the top of the metal key.
18. Attempt to screw in the case screw. You will, of course not be able to, but the idea is to mark where it would go. Reopen the case.
19. The hole you just marked needs to be drilled out. I used a miniature Phillips screw driver that was heated with a torch. Whatever you decide to use to drill out the hole, make sure that it is about the same size as the case screw. Mildly cured epoxy weakens quickly when heated. Be careful not to melt the outside surface of the case!
20. Mix up some more epoxy and with it, fill the hole you just drilled. Wipe any excess glue from the area surrounding the hole as you only want the glue IN the hole. Any glue left on the surface of the key will glue the case shut and you will have major problems when it it time to change the battery.
21. Close the case and push the screw in as far as it will go.
22. Epoxy the “A” symbol in the area where the “H” was. Don’t put a lot of glue on, you don’t want it oozing out around the emblem.
23. Every 20 minutes or so GENTLY (you don’t want to disturb the threads that the glue is creating) remove the screw a few turns and tighten it back down. You are doing this to keep the screw from seizing against the epoxy, while keeping the threads intact.
24. That’s about it! Program the keyless entry system and you're done!
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I was wondering if this would be possible with integrating one additional key into it, say a house key.
I was also thinking if it would be possible to make the silver part of the s2k key a lock / unlock button, but I realize that doing that proablly isn't possible.
I currently drive with just the s2k key, which is annoying because I don't have keyless capability, and have to call or bring an additional key to get back into the house.
(when I use the chain with all the keys I tend to hit the keys with my knee, turning off the car.)
11-07-2006, 07:48 PM
The "Ultimate" Key
Linear Mode
