Control Circuit Inspection

Check short in harness
1. IG "OFF".
2. Disconnect Main Relay and PCM connector.
3. Measure resistance between terminal 4 of Main Relay and chassis ground.
4. Measure resistance between terminals 4 and 2 of Main Relay.
  Specification : Infinite
  
  Fig 1: Measuring Resistance Between Terminals 4 And 2 Of Main Relay
  Courtesy of KIA MOTORS AMERICA, INC.
5. Is the measured resistance within specification ?
  YES
  - Go to 2"Check open in harness" as follows.
  NO
  - Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
Check open in harness
1. IG "OFF".
2. Disconnect Main Relay and PCM connector.
3. Measure resistance between harness terminal 4 of Main Relay and harness terminal 43 of PCM harness connector.
  Specification : Approx. below 1Ω
  
  Fig 2: Measuring Resistance Between Terminal 4 Of Main Relay Harness Connector And Terminal 43 Of PCM Harness Connector
  Courtesy of KIA MOTORS AMERICA, INC.
4. Is the measured resistance within specifications ?
  YES
  - Go to "COMPONENT INSPECTION " procedure.
  NO
  - Repair or replace as necessary and then, go to "VERIFICATION OF VEHICLE REPAIR " procedure.