Question about Toyota Corolla

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Want to install this ecm now,cause this vehicle is for business only.

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The plastic case in which the ECM is situated is on the left side in the engine bay, right next to the airbox (in european/us Corollas, in left drive ones the position is different) - the ECM just plugs in the big electrical connector from there. Don't forget to refit the 2 wire safeties on the connector, or the vibrations could unplug the connector.

Posted on Apr 02, 2011

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Posted on Jan 02, 2017

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Where is the ecm location


I believe under the dash, passenger side. Are you sure it is the ECM? Lots of other things could cause this. ECM's have to be programmed for your vehicle also.

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Can a remote starter damage your ECM or PCM?


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2003 KIA Sorrento...my car won't turnover...got new fuel pump, crank and cam sensors, new ecm, water pump radiator and timing belt im thinkin antitheft might be telling the car dont start...but


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2003 trailblazer, 145,000 miles on her. Vehicle stopped running while on highway at about 65mph... Pulled over, car would turn over but would not start. Got vehicle towed home, ran a bunch of test, fuel...


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1 Answer

Were is the ecm located?


  • REMOVAL & INSTALLATION
  • Print


    OPERATION

    When the term Electronic Control Module (ECM) is used in this guide it will refer to the engine control computer regardless that it may be a Vehicle Control Module (VCM), Powertrain Control Module (PCM) or Engine Control Module (ECM).
    The Electronic Control Module (ECM) is required to maintain the exhaust emissions at acceptable levels. The module is a small, solid state computer which receives signals from many sources and sensors; it uses these data to make judgments about operating conditions and then control output signals to the fuel and emission systems to match the current requirements.
    Engines coupled to electronically controlled transmissions employ a Powertrain Control Module (PCM) or Vehicle Control Module (VCM) to oversee both engine and transmission operation. The integrated functions of engine and transmission control allow accurate gear selection and improved fuel economy.
    In the event of an ECM failure, the system will default to a pre-programmed set of values. These are compromise values which allow the engine to operate, although at a reduced efficiency. This is variously known as the default, limp-in or back-up mode. Driveability is almost always affected when the ECM enters this mode.


    REMOVAL & INSTALLATION

    See Figures 1 and 2


    0900c152800a7f96.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Fig. 1: ECM mounting scheme-except 1996 models


    0900c152800a7f97.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Fig. 2: ECM mounting scheme-1996 models
    The ECM is located in the passenger side footwell in the kick panel up to 1996. In 1996, the ECM is located in the engine compartment next to the battery.

    1. Disconnect the negative battery cable.
    2. Disengage the connectors from the ECM.
    3. Remove the spring retainer off and over the rail of the ECM on vehicles except 1996.
    4. Slide the ECM out of the bracket at an angle.
    5. Remove the ECM.

    To install:
    1. Install the ECM into the bracket.
    2. Install the spring retainer (except 1996) and plug in the electrical connectors.
    3. Connect the negative battery cable.

    Jun 30, 2012 | 1993 GMC Safari

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    Steps to replace the ecm. do I need to unhook the battery, or anything. After it is replaced, is there any other steps like resetting anything?


    Replacing and ECM is a farily involved job which will require reprogramming the replacement ECM to match the vehicle that it is installed in. Dealerships and a few independent service facilities are set up to do the reprogramming but the unprogrammed ECM may not even be able to start the vehicle until programmed so it's not a DIY kind of project. It's RARE that a vehicle needs the ECM replaced as there are a quite a few problems that can mimic a bad ECM and often an ECM problem can be fixed with a reflash update of the software. Hope this helps and good luck!

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    I have a mitsubishi montero 1999 and the code is p1720


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    - VDC/TCS/ABS to ECM circuit connectors
    - TCM to ECM circuit connectors
    - Faulty revolution sensor

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    Trubleshooting p0502 honda element


    P0502 is a Vehicle speed sensor issue:
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    speed_sensor.gif Symptoms - Engine Light ON (or Service Engine Soon Warning Light)
    - Speedometer may not work properly
    - Transmission shifting problem Possible Causes - Vehicle speed sensor harness or connectors is open or shorted
    - Vehicle speed sensor
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    Jul 13, 2011 | 2003 Honda Element

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    Scanner reads code (060)


    Location of "ECM" is Under the Air Filter Box

    1. Disconnect the negative battery cable.
    2. Remove the air cleaner box, refer to the air cleaner box.
    3. Remove the gray and black connector from the PCM.
      1. Remove the harness clip bracket from PCM bracket.
      2. Remove the nut from the upper bracket mount.
      3. Raise vehicle and support on hoist.
      4. Remove 2 lower bracket bolts.
        1. Remove 4 screws from bracket and remove bracket from PCM.
        INSTALLATION
        1. Install bracket to PCM and tighten screws.
        2. Install PCM and bracket to body and tighten the 2 lower bolts.
        3. Lower vehicle.
        4. Install upper bracket nut and tighten.
        5. Clip in wiring harness bracket.
        6. Install gray and black connectors to the PCM.
        7. Install the air cleaner box, refer to the air cleaner box.
        8. Connect the negative battery cable.

    Mar 14, 2009 | 2001 Dodge Neon

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