FixVault

4. Check For Open In Harness

  1. Turn ignition switch to OFF position and disconnect the ECM connector.
  2. Measure resistance between terminal 2 of the CCV harness connector and terminal 79 of the ECM harness connector.
    Fig 1: Checking CCV Harness For Open Circuit
    G00750576Courtesy of HYUNDAI MOTOR CO.
    • Specification: below 1Ω 

Does resistance indicate continuity? 

Yes: Proceed with ECM problem procedure.

No: Repair open in harness.