Power Circuit Inspection

Open or Short Check
1. Ignition "ON" & Engine "OFF".
2. Measure voltage between power terminal of the HECU harness connector and chassis ground.
  Specification : B+
  
  Fig 1: Measuring Voltage Between Power Terminal Of HECU Harness Connector & Chassis Ground
  Courtesy of HYUNDAI MOTOR CO.
3. Is the measured value within specifications?
  YES
  - Go to "GROUND CIRCUIT INSPECTION " procedure.
  NO
  - Check for open or blown fuse referring to "DIAGNOSTIC CIRCUIT DIAGRAM ".
    Repair open or short in power circuit between battery and HECU harness connector and then, go to "VERIFICATION OF VEHICLE REPAIR " procedure.