Level 3 Automotive Electrical Quiz

GPS need 3 satellites to pin-point position, if there was a fault what is the likely cause?

• Incorrect input of coordinates
• Only two satellites in view of the receiver.

• Interference from other electronic devices
• Loss of power in the GPS device

The most likely cause of a heater blower only working on position 4 is...

• Loose electrical connection
• Resistor pack fault

• Broken blower fan
• Clogged air filter

How can a Hybrid or EV recharge the battery?

• By using solar power
• By adding gasoline to the tank
• By replacing the battery with a new one
• Regenerative braking

What type of Temperature coefficient is this? 0 degrees at 4500 ohms, 20 degrees at 2000 ohms, 100 degrees at 200 ohms.

• Positive temperature coefficient
• Zero temperature coefficient
• Neutral temperature coefficient
• Negative temperature coefficient

Before carrying out any repairs on an airbag system, what must you do?

• Ignore the battery and start the repairs immediately
• Disconnect the vehicle battery and wait at least 30 minutes

• Disconnect the airbag system and wait for 3 minutes
• Call a friend for help and proceed with the repairs

What is the purpose of the Clock Spring?

• Regulates the air conditioning system
• Controls the windshield wipers
• To prevent premature wear and breakage of the wiring to the steering wheel.

• Provides power to the radio

What electrical component allows current to flow in the forward direction as normal, but will also allow it to flow in the reverse direction when the voltage is above a certain value?

What is Multiplex system that transmits and receives data?

• A large amount of wires to each individual sensor and control unit.

• A data bus that communicates with other vehicles.

• A data bus system carrying signals to and from remote control units.

• A complex system that transmits information wirelessly.

What is the name of the units that sends a message on a multiplex/CAN-BUS system?

• A Transceiver.
• A Receiver

What does CAN stand for in terms of CAN-BUS?

• Controller Area Network

• Controller Access Network

• Concise Area Network

• Concise Access Network