Questions and Answers Already Passed
What is the main purpose of a vehicle communication system?
✔✔To enable different electronic control units (ECUs) within a vehicle to exchange data and
work together.
What is a CAN bus in a vehicle communication system?
✔✔The Controller Area Network (CAN) bus is a communication protocol that allows ECUs to
share information without a central computer.
What is the advantage of using a vehicle communication system?
✔✔It reduces the need for extensive wiring by allowing multiple systems to communicate over a
single data bus.
What type of data is transmitted in a vehicle communication system?
✔✔Data such as engine performance, vehicle speed, sensor readings, and driver commands are
transmitted.
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, What is the purpose of the OBD-II system in vehicles?
✔✔The On-Board Diagnostics II system monitors vehicle performance and emissions, and
provides diagnostic trouble codes for faults.
What is a diagnostic trouble code (DTC)?
✔✔A diagnostic trouble code is a standardized code used to identify specific issues in a
vehicle’s systems.
What is the role of a gateway module in a vehicle communication system?
✔✔The gateway module manages and routes messages between different communication
networks in the vehicle.
What is the function of a Telematics Control Unit (TCU)?
✔✔The Telematics Control Unit enables features such as GPS navigation, emergency assistance,
and remote diagnostics.
What is the primary function of the LIN bus in vehicle communication?
✔✔The Local Interconnect Network (LIN) bus is used for low-speed communication, typically
for non-critical systems like window controls.
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