4. Check For Open In Harness

1. Turn ignition switch to OFF position and disconnect ECM connector.
2. Measure resistance between terminal 2 of the CMPS harness connector and 72 of the ECM harness connector.
3. Measure resistance between terminal 3 of the CMPS harness connector and 30 of the ECM harness connector.
   Fig 1: Checking CMPS Harness For Open Circuit

   Courtesy of HYUNDAI MOTOR CO.
   • Specifications: below 1Ω 

Does each resistance indicate continuity? 

Yes: Go to next step.

No: Repair open in harness.