CAT Computer-Controlled Fuel System

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Across
  1. 2. What sensor provides ECM input for metering and timing to control excessive smoke?
  2. 4. What circuit converts analog signals to digital signals so the ECM may recognize it?
  3. 7. RAM, ROM, and PROM are three types of ____ chips and are internal storage area for the ECM.
  4. 8. In a EUI the solenoid energizes which then closes what valve?
  5. 12. What is another name for the gear driven axial pump that supplies high pressure engine oil to the injectors?
  6. 13. What type of voltage is usually 5 to 9 volts and is altered by sensors?
  7. 16. What type of signal do sensors send and vary over a given range ?
  8. 17. What connector is a standard communication link between the ECM and off-board service equipment?
  9. 18. What is NOT a substitute for regular service braking?
  10. 20. What component sends electrical signals to the control component?
  11. 21. What provides a comprehensive analysis and detailed charts of engine parameters?
  12. 23. What type of energy is used to perform work and illuminate a dash light?
  13. 24. What type of fuel pressure can cause cavitation of the pump and damage injectors?
  14. 26. When checking for air in your C-12 system ____ air bubbles are not acceptable?
Down
  1. 1. What component receives and evaluates input signals and sends electrical energy to output components?
  2. 3. Blink codes give you how many numbers for engine diagnostics?
  3. 5. What type of code indicates a problem exists and requires immediate attention?
  4. 6. Information is communicated through the use of ____?
  5. 9. What is mounted on the injector and is controlled by the ECM, which controls metering and timing?
  6. 10. What sensor indicates engine speed?
  7. 11. What is the most advanced diagnostic tool available?
  8. 14. Which fuel filter contains an air purge screw also known as a bleed screw to allow for air to be purged?
  9. 15. What type of signal is either On or Off with no range in between?
  10. 19. What sensor can detect the absence or presence of coolant?
  11. 22. What can also be referred to as a PCM and monitors engine and vehicles operating condition?
  12. 25. What loop operation are you in at engine start-up?