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| Description: |
Who Should Attend Technicians who will be performing diagnosis and repairs on components and systems that are associated with the Speed Density Fuel Injection System and Mass Air Flow (MAF) Fuel injection systems utilized on Chrysler group vehicles must complete this self-study course. In this course the technician will also have on understanding of electrical components related to the system. When the electrical section is complete, the technician will be able to properly diagnose an electrical concern for this system. Benefits This course introduces the technician to the principles of the Chrysler Speed Density fuel injection system including methods of determining fuel and spark requirements, idle control, and principles of major input and output circuit operation along with the major subsystems operated by the PCM. This course introduces the technician to the principles of the Mass Airflow (MAF) fuel injection system including methods of determining fuel and spark requirements, idle control, and principles of major input and output circuit operation along with the major subsystems operated by the PCM/ECM. Equivalents Successful completion of the ASE auto test A8 Engine Performance... When you have completed this course, you will be able to: - The student will be introduced to the fuel systems used on corporate vehicles. - The student will be able to locate and test the components of the Wet side of the Speed density Fuel system - The student will have a basic electrical review. - The Student will be able to locate and test PCM power, grounds, and voltage sense circuits from PCM. - The student will have a more detailed explanation of the speed density systems, including the formula for determining pulse width on SBEC/JTEC and NGC PCM’s. - The student will learn various sensors and their input to the PCM. - The student will learn the O2 sensor open and closed loop operation. - The student will learn the mass-air flow fuel system and its differences as compared to speed density. - The student will learn the operation of the catalytic converter. - The student will learn the operation of the downstream O2 sensor and its effect on fuel injector pulse width. - The student will learn the 5 exhaust gases and how they tie into the O2 sensors. - The student will learn short and long term adaptive memory and their effect on fuel control. - The student will be introduced to additional PCM inputs, such as knock and power steering switch sensors. - The student will learn PCM outputs, such as solenoids, relays, and high & low side drivers. - The student will learn the types of fuel injectors and cover basic diagnostics. - The student will learn the different types of ignition systems along with the primary and secondary circuits. - The student will learn idle control strategy and the types of idle control motors. - The student will learn the EGR system and the types of control valves used. - The student will be given a brief description that not all engine packages will use all the sensors we have discussed. - The student will be given an overview of the EVAP system - The student will learn the relationship between vehicle speed and torque converter lock-up and RPM shut down. - The student will learn what OBD is along with explanations of what codes and freeze frame data are.
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