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    Automotive Vehicle Strategies and ECM Modes
    Automotive Vehicle Strategies and ECM Modes
    Automotive Vehicle Strategies and ECM Modes
    Ebook55 pages46 minutes

    Automotive Vehicle Strategies and ECM Modes

    By Mandy Concepcion

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    About this ebook

    This book is divided into two sections, "Vehicle Operational Strategies", which detail what's needed for and engine to start. In other words, this section concentrates on the signals needed for a particular manufacturer to make the engine run. These signal strategies are true regardless of the system and the section simply zeros in on the actual signal, whether it's a distributor, DIS, COP, etc.

    The second section is the ECM operational modes and goes into details on why and how the ECM does what it needs to do to run the engine. In other words, this section has to do with the behavior of the ECM according to outside conditions.

    VEHICLE OPERATIONAL STRATEGIES

    This section is designed to serve as a functional guide to some of the more difficult to diagnose faults. It basically came about from the trial and error experimentation with different systems, during the diagnostic process. It is not a study section per se, but will definitely enlighten the technician as to the logics of different systems on the market today. Hopefully, it will serve to pinpoint the source of an actual problem.

    ECM OPERATIONAL MODES

    In this section, we'll take a look at automotive OPERATIONAL MODES. The section deals with the specifics of internal ECM programming strategies. The knowledge gained here will aide the modern technician is deciphering why is the ECM functioning in a specific way. This section, as in other parts of this book, helps to answer the technician's diagnostic basic question "What is the ECM seeing, that's causing it to do what it does?"

    VEHICLE OPERATIONAL STRATEGIES

    - HONDA IGNITION & INJECTION STRATEGY
    - MAZDA IGNITION STRATEGY
    - MAZDA EEC IV IGNITION STRATEGY
    - MITSUBISHI/HYUNDAI IGNITION STRATEGY
    - NISSAN IGNITION STRATEGY
    - NISSAN COP IGNITION STRATEGY
    - TOYOTA IGNITION STRATEGY

    ECM OPERATIONAL MODES

    • CRANKING ENRICHMENT MODE
    • ENGINE WARM-UP MODE
    • OPEN-LOOP MODE
    • CLOSE-LOOP MODE
    • ACCELERATION ENRICHMENT MODE
    • DECELERATION ENLEANMENT MODE
    • IDLE SPEED CONTROL MODE
    • LOW VOLTAGE CORRECTION MODE
    • CLEAR FLOOD MODE
    • SELECTIVE FUEL INJECTOR CUT-OFF MODE
    • LIMP-HOME MODE
    • EXHAUST VARIABLE VALVE TIMING/EGR CONTROL MODE

    LanguageEnglish
    PublisherMandy Concepcion
    Release dateFeb 16, 2012
    ISBN9781465932020
    Automotive Vehicle Strategies and ECM Modes
    Author

    Mandy Concepcion

    Mandy Concepcion has worked in the automotive field for over 28 years. He holds a Bachelor's Degree in Electronics Engineering as well as an ASE Master & L1 certifications. For the past 19 years he has been exclusively involved in the diagnosis of all the different electronic systems found in today's vehicles. It is here where he draws extensive practical knowledge from his experience and hopes to convey it in his books, equipment, and gadgets he designs. Mandy designs and builds his own diagnostic equipment, DVD-Videos and repair software.

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