The OBD II data link connector (DLC) is being discussed. Technician A says terminal fourteen is always battery positive. Technician B says terminals four and five are always grounds. Who is correct?
A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B

Question

Quizplus · Accepted Answer

Technician B is correct because terminals four and five on the OBD II DLC are designated as ground connections. Terminal fourteen is not always battery positive; it is typically used for CAN bus communication.

The OBD II Data Link Connector (DLC) Is Being Discussed