3. Check Power To MAFS

1. Turn ignition switch to OFF position and disconnect MAFS connector.
2. Turn ignition switch to ON position.
3. Measure voltage between terminal 2 of the MAFS harness connector and chassis ground.
   Fig 1: Checking MAFS Power Supply

   Courtesy of HYUNDAI MOTOR CO.

• Specification : approximately B+ 

Is voltage within specification? 

Yes: Go to next step.

No: Repair open or short to chassis ground in harness.