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  1. General Lexus Discussion
    Above mark X first gen have done minor mod which is an exhaust. I’m currently experiencing ECU manipulation/malfunction that keep on activating anti theft and immobilizer even tough key is inserted that leads to ignition and fuel cut, which stopped my car even tough I’m lawful car owner. That...
  2. 4Runner 5th Generation (2010-2022)
    Hello, this is the 1st time I write a howto and this is not my thing 😅 english is also my secondary language, apologize. What is the "high idle mod" or "Engine Coolant Temperature (ECT) mod"? This mod is not really popular these days and I don't know why because it can be very useful and less...
  3. 4Runner 5th Generation (2010-2022)
    Hello everyone, I'm looking for the ECM pinout. More precisely the coolant temperature sensor wire (the one used to control engine idle speed). I know where the ecm is but I don't want to ohmmeter them all to find the good one. Anyone have the schematic pdf or know what pin it is? thanks
  4. Corolla 9th Gen/1st Gen Matrix (2003-2008)
    Hi, I'm Jose, and I'm new here :). I own a Corolla 2005 since 2013 and since then from time to time I have experienced electric problems with my car, and more recently regarding the Engine Computer (ECM). Just a brief summary of these problems: 2014, just one year after I purchased the car, the...
  5. Previa Forum
    Tl;dr: Long story short, the coolant temperature sensor was replaced twice and the next step is for me to take the car into a Toyota dealership to check out the ECM and see if it's still functioning correctly. Any tips? -- I was driving my 1995 Previa up a hill and the "check engine" light came...
  6. Corolla 7th Generation (1993-1997)
    Hi, Please help me, I have 1993 corolla (ee100 Carby mode engine) and swap 4afe on it.I need picture from the ecu location (under the heater) for sorting wire harness. I fixed ecu on original place , but i need to see primary sort of wire harness to have idea for better fixing and sorting things...
  7. Corolla 9th Gen/1st Gen Matrix (2003-2008)
    Ok a quick backstory to this problem. Last summer I was randomly driving when the check engine light turned on and my toyota matrix lost acceleration and went into LIMP mode. It said it had a ECM problem on the check engine light. Well I just turned off the car, started it back up and didn't...
  8. Corolla 9th Gen/1st Gen Matrix (2003-2008)
    EDIT: SOLVED- crank position sensor was bad. Hello all, I have a 2005 Corolla LE, automatic, with VSC and traction control. My ECM was replaced a few years ago under the recall with ECM part#89661-02K13. About a month ago, my Corolla started having issues to where it would not start during...
  9. Highlander 1st Generation (2001-2007)
    Toyota Nation I need assistance! So I have a 2002 Toyota Highlander V6 with the 1MZ engine and I've had the P0330 code for a while now. The first time I had the code, I replaced the knock sensor and the wiring harness, but I did not use OEM sensors. I used Beck and Arnley sensors, which I don't...
  10. 89-95 Toyota Pickup/Hilux
    It's been a great truck, bought in 99 for 2200 and accident on way home. Ins paid me 2250 and kept it! So, I brought the truck from TX to FL and have nothing but trouble. Replaced TPS, fuel filter, O2 sensor, coil and distributor. I have tested fuel pressure and just about all I can think of...
  11. Tacoma 1st Generation (1995.5–2004)
    Hey guys this is my first post ! Need your knowledge ! so the truck is a 97 tacoma 2.7l 3RZ-FE engine with 5 speed manual transmission. i changed the cylinder head and recently and i cant get it to run again... When i try to start it , it runs for about 2 seconds and then dies. Things i have...
  12. Avalon 1st Generation (1995-1999)
    I have a 98 Avalon V6 that will not "restart" unless I remove and reinsert the key a second time. It will fire right up on the first key insertion but if I turn it off and try to restart it without removing and reinserting the key it will only turn over without firing. It acts as though the...
  13. Celica Forum
    P1300 Code Repair (ECM) My 97 Celica GT convertible started running rough and then not running at all. Dash cel was P1300 code=return signal (igf) to computer (ecm) problem. I started replacing the easy things that troubleshooting requires: coil, igniter, check continuity between...
  14. General Automotive Discussion
    I have a stuttering problem that happens randomly or when I sometimes hit bumps and in windy conditions. We seem to have tracked it to the ECM. My question is... Do you need to flash the new ECM before installing it, for these older year toyota vehicles?
  15. Camry 3rd and 4th Gen '92-'01, Solara '99-'03
    Hey TN, I've spent a few months working on a 2.2 Camry I acquired in the summer with no real luck. It was owned by a woman that didn't drive a whole lot, and it sat a few months before I bought it. With 141k and a fairly clean interior/exterior it was worth the gamble. So far I've changed out...
  16. Corolla 10th Gen/2nd Gen Matrix (2009-2013)
    My Corolla has the P0441 code, but not the typical 0445 code that comes with a loose gas cap. I cleared it and it came back (yes, I checked the gas cap). Googling the issue, I found service bulletin SB0392-08, which implies the ECM could need to be replaced if the issue is not in the Evap...
  17. Celica Forum
    Hello there, 2001 Celica, battery dead after seeming to crank more slowly each time it was started during the day (wife was driving). I disconnected the battery to charge/test it, after reconnecting it started immediately but after 1-2 seconds engine dies. RPMs can be coaxed up to 3,000 in that...
  18. Toyota Recalls
    Important Announcement: For those of you who own a Toyota Corolla, if any of your vehicles like mine, which is a 2006, are having and experiencing an ECM/ECU failure for a second time after this was already replaced back in 2010 for the recall. I highly urge and recommend you to contact the...
  19. Corolla 10th Gen/2nd Gen Matrix (2009-2013)
    I have a 2009 Corolla S w/ 79K miles on it and recently my check engine light came on with the trouble code P0352. The engine would misfire while accelerating and then was extremely rough when at a stop light. This issue and check engine light have been happening intermittently over the last few...
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