Control Circuit Inspection

Check for short to battery in control circuit.
1. Ignition "OFF".
2. Disconnect PCM connector.
3. Ignition "ON" & Engine "OFF".
4. Measure voltage between terminal 2 of the injector harness connector and chassis ground.
  Specification : Approx. 0V
  
  Fig 1: Measuring Voltage Between Terminal 2 Of Injector Harness Connector And Chassis Ground
  Courtesy of HYUNDAI MOTOR CO.
5. Is voltage within the specification?
  YES
  - Go to next step as below.
  NO
  - Repair as necessary and go to VERIFICATION OF VEHICLE REPAIR procedure.
Check for Open in Control Circuit.
1. Ignition "OFF".
2. Measure resistance between terminals 2 of the injector harness connector and 62 of the PCM harness connector
  Specification: Approx. 0Ω
  
  Fig 2: Measuring Resistance Between Terminals 2 Of Injector Harness Connector And 62 Of PCM Harness Connector
  Courtesy of HYUNDAI MOTOR CO.
3. Is resistance within the specification?
  YES
  - Check for poor connection between PCM and component: backed out terminal, improper mating, broken locks or poor terminal to wire connection. Repair as necessary and go to VERIFICATION OF VEHICLE REPAIR procedure.
  NO
  - Repair as necessary and go to VERIFICATION OF VEHICLE REPAIR procedure.