Workbook, Heavy Duty Truck Systems, 6E
Chapter Twenty – Answer Key
1. In the prefix of an Eaton Fuller AutoShift transmission code, what does the letter A
represent?
2. Which data bus would be required to interface a FreedomLine transmission with the
engine electronics?
3. What electrical operating principle does the shift lever use to signal a range request to the
transmission ECU?
4. In a two-pedal automated transmission system, which of the following pedals is
eliminated?
5. Which of the following inputs is required by electronically automated standard
transmission electronics to manage shifting logic?
6. What technology permits AMT electronics to communicate with the engine electronics?
7. When an AMT defaults to one-speed fallback, how is transmission performance affected?
8. If an AutoShift fault code 71 was logged, which of the following has likely occurred?
9. In a three-pedal, automated transmission, when should the driver use the clutch?
10. Which of the following makes a two-pedal, AMT different from a three-pedal, automated
transmission system?