1993 Hyundai Scoupe Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Retrieving Codes (Non-Scan)

  1. Ensure battery is fully charged before retrieving codes. ECM memory is erased when battery is disconnected. Turn ignition switch to ON position. Ground data link connector terminal No. 10 for at least 2.5 seconds, but not more than 4 seconds. See Fig 1 .
  2. Malfunction indicator light (MIL) will flash first code stored or "no fault detected" Code (4444). MIL will continue to flash same code until terminal No. 10 is grounded again. Follow grounding procedure instep 1).
  3. MIL will flash all codes stored with each terminal grounding until "end of output" (3333) is flashed. Retrieve trouble codes before conducting component or harness checks.
Fig 1: Identifying Self-Diagnostic Connector Location
G93J79508Courtesy of HYUNDAI MOTOR CO.
Factory Service Tools

Use the Manual With the Right Hardware

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

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

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

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