Maricopa Community Colleges  AUT233   20022-20076 
Official Course Description: MCCCD Approval: 06/26/01
AUT233 20022-20076 L+L 3 Credit(s) 5 Period(s)
Computerized Engine Control Systems
Presents the reasons for developing and using computerized engine control systems. Explores system operation, examining each component. Emphasizes diagnosis and repair of system faults.
Prerequisites: (AUT103AB or AUT103DA), AUT103DB, AUT103DC, AUT103DD, AUT103DE, and AUT104AA or permission of instructor.
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MCCCD Official Course Competencies:
 
AUT233   20022-20076 Computerized Engine Control Systems
1. Identify the capabilities and features of a specific emission control system as applied to a given make, year and model car when provided with an appropriate service or reference manual. (I)
2. Locate in the appropriate service manual all specifications and information pertinent to a specific emissions system (I)
3. Perform test procedures on individual components and circuits as directed by the appropriate service manual and be able to determine from such tests if the components or circuit is operating properly. (II)
4. Use test procedures as directed by the manufacturer to verify the satisfactory performance of a given system. (II)
5. Put a given system into self diagnostic mode where applicable and interpret code signals. (II)
6. Identify and perform adjustments provided by the manufactures to restore proper vehicle operation. (II)
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MCCCD Official Course Outline:
 
AUT233   20022-20076 Computerized Engine Control Systems
    I. Overview
        A. History of emission control-manuals
        B. Pollutants and their causes
        C. Reduction of pollutants by using precise control of engine functions
      II. System components and operation
          A. Sensor
            1. Oxygen sensor
            2. Coolant temperature sensor
            3. Pressure sensor
            4. Throttle position sensor
            5. Crankshaft speed and position sensor
            6. Other sensor
            7. Other Inputs
          B. Output Functions
            1. Fuel metering
            2. Spark timing
            3. Air injection control
            4. Idle speed control
            5. E.G.R control
            6. Canister purge control
            7. Torque converter clutch control
            8. Fuel pump relay
          C. Adjustments
            1. Identify
            2. Perform
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