May I ask.... That 8 pins Immobilizer chip. 2. I wouldn't recommend this to most. I'm planning to have 2 different ECU for my car. TylerAchenbach. Yes but you still would have to program it. The last 4 numbers on my ecm is 9202 B . Nissan USA Official Site: Look up Nissan recall information from the past 15 years by entering your Vehicle Identification Number (VIN). When reconnected to the car, the ECU will be in auto-programming mode and will accept new keys as per the procedure below: 1. This may very well be due to the fact that I didn't have anything with native RS-232 and was trying to make it work through an adapter.For others in this same boat, desoldering the chip and using the EZP2010 programmer ($20) on Common 93c56 (16bit) works just fine. Once the code P1610 or P1612 is set, the escape from lock procedure must be done to reset the immobilizer system. The procedure for reprogramming is similar, however you will have to short two wires on the OBDII port to perform a hand-shaking procedure between the ECUs to program new keys. Module Experts provides a full line of options for Nissan ECMs. 2003 Plymouth Voyager 2.4L 4 Cylinder Gas ECM / PCM / ECU - Engine Control Module 2009 Nissan 350Z 3.5L PCM / ECM / ECU REPAIR SERVICE ONLY 2003 Dodge Dakota 4.7L V8 Gas TCM / TCU - Transmission Control Module My question is can i just shut the anti theft off all together if so how thank you in advance, Question This procedure should work on many Toyota and Lexus vehicles from the 1990's to early 2000's. The security light should illuminate and remain on. I had them strewn across the PC. If you insert a VALET key, the security light will remain solid for 2 seconds and then go out. Each key has a unique 8 digit HEX code. Must have taken some time and problem solving to get that all worked out. on Step 6, Question If you do have problems reading and writing from the chip, you have to short the crystal on the board. please help, 2 years ago 4 years ago. In my case, I made my own, using this EEPROM circuit. It’s a 93C56 EEPROM chip, surface mounted with 8 pins. When you open up the ECU, we’re going to be looking for IC900. You could also just desolder the EEPROM chip from original ECM and the new one then solder the old one onto the new board.Since you're already desoldering the chip it'd be much quicker and easier to just switch out the chip with the one thats already programmed to work with your key.The IC# on the board could be diff than the one in this instructional. It’s got 5 electrical connectors on it and is held in by two 10 mm nuts on the brackets. Hardware Design. 11 months ago, I lost my jeys to my 2009 chevy equinox so if i go get another ecu out of a wrecked on and use the keys out the wrecked one by just putting the chip in the new key i had made will it work. The 99 won't start due to NATS, And the 00. And hands down, it is one of the most important parts for a properly running and driving Nissan. And then proceed to replace the ECU back in the car. While taking the car to a dealership or locksmith is an option, it could get expensive because you are at their mercy. The key is read by the computer and if it matches, it will enable all systems to start the car. The procedure is similar, though a hand-shaking procedure must be performed between the Transponder ECU and Engine Control Unit before key programming by shorting two wires on the OBDII port for 30 minutes. With 8 digits and 16 HEX characters, there are 4.2 billion different key combinations. There are also bits to indicate key count, enable programming mode and valet lockout. General Electronics Chat. OLDER OEM harnesses with BLUE plastic HARNESS CONNECTORS do not use these pins. Wait 30 seconds for the programming cycle and programming mode to close. Thread starter TylerAchenbach; Start date Sep 5, 2016; Search Forums; New Posts; 1; 2; Next. Security light should remain on indicating you're still in programming mode. There is a solution here:https://vdocuments.mx/amp/how-to-run-ponyprog2000-...After that, I was still having write errors. Im getting a write failed prompt any ideas why. However its location under the dash means you will have to remove the entire dash pad. Get the best deals on Engine Computers for Nissan X-Trail when you shop the largest online selection at eBay.com. Here’s what the immobilizer system components look like. Below is a helpful guide to determine if you have a faulty ECU. If the security light does not stop blinking, that key is not programmed to the car. This was a lifesaver. Of course I wouldn't have tried it on my own ECU, I had a spare one from the junkyard to do all my testing. Your engine control module, also called the ECM or an ECU, uses many different electronic microprocessors which are able to make the appropriate changes desired to maintain an excellent driving experience. You could try googling: "EEPROM chip location on (your ECMs part number)" and might find a picture online pointing out which chip it is on your circuit board. Go. 1 year ago 4. General Electronics Chat. 1989 Nissan 240SX MT Engine Control Unit ECU A11-B02-G48 Module ECU4. Not only was the new pack back at full health, but it’s still at 12 bars in 2020! My 2002 GTI VW is immobilized and I only have ignition key, lost fob with chip. As a test, when you insert a MASTER key, the security lightshould stop blinking right away. 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