Review Questions
- What should be the voltage preset at a CAN line if checked with a multi-meter? Is the voltage the same on both lines?________________________________
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- Where are the Terminal resistors located in the CAN bus network? What should the measured resistance of the CAN circuit be? How is it checked?________________
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- Explain the differences of CAN-High and CAN-Low? How can they be distinguished from one another?____________________________________________________________
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- Which control units on the CAN bus contribute to the voltage necessary for communication? Describe the method to determine if one control unit is affecting communication.____________________________________________________________
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- What is the minimum voltage required at the D-bus?___________________________________
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- Why is checking a bus signal with an oscilloscope a practical option?_______________
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- Describe some quick tests that can help to determine if a bus line is currently operating ______________________________________________________________________.
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