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 Harness Connector And Chassis Ground

   Courtesy of HYUNDAI MOTOR AMERICA
3. Is the measured resistance within specification?

   YES 

   • Go to "Check open in harness" procedure below.

   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 1 Ω

   Fig 2: Measuring Resistance Between Control Terminal Of Main Relay Harness Connector And Main Relay Control Terminal Of PCM Harness Connector

   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.