This condition may be due to an errant data broadcast by Toyota's traffic and weather data service provider. Toyota's ECU will be able to relearn after being reset(or change battery outside) ... he went to SC ask for reset ECU but been refuse unless give they test drive 112km. The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. NOTE There is a procedure, I'll get to that in a minute. Remove glove compartment. I can't see how the ECU does any 'learning' with its very basic EFI system, it doesn't have any means to adjust anything or 'tune' the motor as you drive. 3. 1) Confirm the navigation System is rebooting when the ignition is turned on Some Toyota Lexus vehicles may exhibit a Navigation (Audio unit) system rebooting condition. He said he reset the ECU and it did the same thing. 1 x Master key coded for the ECU above (SCRAP-KEY) (scrapyards usually sell these items together) 1 x New blank remote key cut for your VIN. My vehicle is Toyota Hilux Model: RZN149R-PRMDKQ, Engine: 3RZ - FE 2694 CC, 1997 - 2005. Dealers do not have the ability to reset these and will need to be replaced if all the keys are lost. My question is Does my vehicle have a ECU installed? Unplug the battery. I don't know if he really reset it, because from what I've read you've got to leave the battery disconnected for about an hour. SOURCE: patrol toyota hilux 2000 how to fix timming if you can remove the timing cover and try to bring the engine using your hand with a tool by turning the crank shaft with the engine off and battery terminal off,to the timing marks. Yesterday I installed 2x new Ignition Coil which I purchase from EBAY Australia and NO … Unplug all cables connected to the ECU. the following procedure may help in resetting the Navigation System. This led me to believe that the TPS relearn procedure requires you to hold the accelerator pedal down and release it multiple times in intervals until it has learned the operating range. I have started getting the dreaded Lexus/Toyota Cruise Control Unavailable message. 4. The correct procedure to remove the -ve terminal is to prevent sparking/arcing/surging of power when you reconnect the terminal. The pump is factory tuned with its correction resistors to match the ECU outputs. 1. 89-95 Toyota Pickup/Hilux. Its just does its thing, and if anything electronic dosn't meet with its approval you get a fault code light. Depends on what year the toyota is, 01-03 immobilizers are most commonly inside the engine ecu. Remove ECU protection plastic by pulling it outwards. surely the camshaft and crank shaft sensors do have some marks. Otherwise, it will just come on again. When ever i needed to reset the ecu on my corolla i just pulled the neg off the bat,i knew what the code was that was bringing on the mil light and that by resetting it wasnt going to do any damage,just the light wasn't annoying me till i got the part i needed. Follow the procedures in this bulletin to reset a vehicle Immobilizer or Smart Key system. You can't just clear the code by disconnecting the battery. (NEW-KEY) PROCEDURE: A) REPLACING ECU AND TRANSPONDER. Once the system is reset, all previously registered keys will be erased. if it is diesel engine also the fuel pump has mark too. ECU, Reset, Flash, or Replace? This can be a dodgy ECU, or radar sensor, or according to a lot of reports, a simple fix by 'rebooting/resetting' the system. 5. 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