Question

the interface between a control module and a diagnostic scan tool is called...
a) self test circuit
b) control panel
c) indicator lamp
d) data link connector

Explanation:

A self-test circuit runs internal system checks, a control panel is for user input to operate systems, an indicator lamp signals statuses. The Data Link Connector is the specific hardware interface that connects a vehicle's control module to a diagnostic scan tool for data retrieval and diagnostics.

Answer:

D) Data Link Connector