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Questions and Answers
What must be done to safely depower the HV battery pack, any of the electronic controllers that use orange cables, and the air-conditioning compressor, if electrically driven?
What must be done to safely depower the HV battery pack, any of the electronic controllers that use orange cables, and the air-conditioning compressor, if electrically driven?
- Follow the steps found in the service information for the exact vehicle being serviced (correct)
- Depower the components individually
- Unplug the cables
- Disconnect the battery
What is the purpose of the sound emitted by an electric vehicle or hybrid electric vehicle at low speeds?
What is the purpose of the sound emitted by an electric vehicle or hybrid electric vehicle at low speeds?
- To alert pedestrians of a moving vehicle (correct)
- To provide entertainment
- To provide a warning to the driver
- To increase the vehicle's speed
What should be done when hoisting or using a floor jack to service a vehicle?
What should be done when hoisting or using a floor jack to service a vehicle?
- Refer to the manufacturer's service information for proper lift points (correct)
- Use a crane for lifting
- Use a screwdriver for lifting
- Use a wrench for lifting
What should be done when a customer asks a service technician to disable the sound system of an electric vehicle or hybrid electric vehicle?
What should be done when a customer asks a service technician to disable the sound system of an electric vehicle or hybrid electric vehicle?
Is it necessary to go through any procedures to depower or shut off the HV circuits?
Is it necessary to go through any procedures to depower or shut off the HV circuits?
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Study Notes
- There is no need to go through any procedures needed to depower or shut off the HV circuits. However, if work is going to be performed on any of the following components, service information procedures must be followed to prevent possible electrical shock and personal injury.
- The HV battery pack, any of the electronic controllers that use orange cables, and the air-conditioning compressor, if electrically driven, can all be depowered safely using the steps found in service information for the exact vehicle being serviced.
- When hoisting or using a floor jack, refer to the manufacturer's service information for proper lift points.
- Electric vehicles and most hybrid electric vehicles emit a sound through a speaker in the front at low speeds to warn pedestrians that a moving vehicle is nearby. The sound is easily heard from outside the vehicle, but is usually not heard inside the vehicle unless the windows are down.
- This safety system is designed to prevent personal injury if someone is almost silent when stepping in front or back of a moving vehicle.
- Some customers ask their service technician to disable the system, but it is a safety device and could help prevent personal injury.
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