Component Inspection

Ignition "OFF"
Measure resistance between terminals 77 and 78 of the ECM connector (ECM side)
Specification: Approx. 110~130Ω

Fig 1: Measuring Resistance Between Terminals 77 And 78 Of ECM Harness Connector
Courtesy of HYUNDAI MOTOR CO.
Is resistance within the specification?
YES
- Go to next step as below.
NO
- Check ECM for contamination, deterioration, or damage. Substitute with a known-good ECM and check for proper operation. If the problem is corrected, replace ECM and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.