OBD2 Basics Quiz

What does the malfunction indicator light (MIL) on your dashboard indicate?

• Issue with the vehicle

• Low tire pressure

• Engine temperature

• Low fuel level

What is the purpose of the OBD2 connector in a vehicle?

• To access data from the car

• To adjust the seat position

• To control the air conditioning

• To charge electronic devices

Which pin of the OBD2 connector supplies power via the car battery?

• Pin 6

• Pin 14

• Pin 10

• Pin 16

What is the relationship between OBD2 and CAN bus?

• OBD2 is a type of CAN bus

• OBD2 is a competitor to CAN bus

• OBD2 and CAN bus are unrelated

• OBD2 is a lower layer protocol of CAN bus

When was OBD2 made mandatory in the USA for cars and light trucks?

• 1994

• 2008

• 1996

• 2001

What is the proposed OBD3 standard expected to allow for?

• Advanced navigation systems

• Improved fuel efficiency

• Enhanced entertainment systems

• Remote emissions controls and diagnostics

Why do some car manufacturers restrict data access through the OBD2 connector?

• For security reasons

• To improve vehicle performance

• To increase fuel efficiency

• To reduce emissions

Why do some electric vehicles not support OBD2 data?

• To prevent third-party access to vehicle data

• To comply with emissions regulations

• To improve vehicle safety

• To reduce manufacturing costs

What type of data does a CAN bus data logger like the CANedge record by default?

• Raw CAN traffic

• Proprietary data

• Human-readable data

• OBD2 response messages

What does an OBD2 response message contain?

• Car maintenance tips

• Manufacturer's contact information

• Raw CAN bus data

• Data for the specific parameter requested