3. Check For Short To Power In Harness

1. Disconnect the ECM and MAFS connectors.
2. Turn ignition switch to ON position.
3. Measure voltage between terminal 3 of the MAFS harness connector and chassis ground.
   Fig 1: Checking MAFS Harness For Short To Power

   Courtesy of HYUNDAI MOTOR CO.

• Specification: below 0.5V 

Is voltage within specification? 

Yes: Go to next step.

No: Repair short to power in harness.