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 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 Connector And 62 Of PCM 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.