Data Link Connector: Description and Operation

1997 Ford Escort L4-122 2.0L SOHCSECTION Description and Operation


PURPOSE
The Data Link Connectors (DLC) provide access to several systems in the vehicle for diagnosis and testing procedures.


OPERATION
The underhood Data Link Connector is used for diagnosis of anti lock brake systems and for energizing the vehicle's fuel pump for testing purposes.

CONSTRUCTION
The in-car OBD II Data Link Connector (OBD II DLC) is used with an OBD II compatible scan tool, such as the Rotunda New Generation STAR tester 007-00500, to diagnose the Electronic Engine Control (EEC) system. It is a standard, 16-pin OBD II data link connector.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.