Control Circuit Inspection

Check short in harness
1. IG "OFF" and disconnect the main relay and PCM connector.
2. Measure the resistance between control terminal of main relay harness connector and chassis ground.
  Specification: Infinite
  
  Fig 1: Measuring Resistance Between Control Terminal Of Main Relay And Chassis Ground
  Courtesy of HYUNDAI MOTOR AMERICA
3. Is the measured resistance within specification?
  YES
  - Go to " 2 Check open in harness" procedure.
  NO
  - Repair short in control harness and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
Check open in harness
1. IG "OFF" and disconnect the main relay and PCM connector.
2. Measure the resistance between control terminal of main relay harness connector and main relay control terminal of PCM harness connector.
  Specification: Approx. below 1Ω
  
  Fig 2: Measuring Resistance Between Control Terminal Of Main Relay And Main Relay Control Terminal Of PCM
  Courtesy of HYUNDAI MOTOR AMERICA
3. Is the measured resistance within specification?
  YES
  - Go to "COMPONENT INSPECTION " procedure.
  NO
  - Repair open in control harness and go to "VERIFICATION OF VEHICLE REPAIR " procedure.