Signal Circuit Inspection

Check for Short to Power in Signal Circuit
1. IG KEY OFF.
2. Disconnect VCMA harness connector.
3. Measure resistance between signal terminal and power terminal of VCMA harness connector.
  Specification: Infinite
  
  Fig 1: Measuring Resistance Between Signal Terminal And Power Terminal Of VCMA Harness Connector
  Courtesy of HYUNDAI MOTOR CO.
4. Is resistance within specification?
  YES
  - Go to next procedure.
  NO
  - Repair as necessary and go to VERIFICATION OF VEHICLE REPAIR .
Check for Open in Signal Circuit
1. IG KEY OFF.
2. Disconnect VCMA harness connector and PCM harness connector.
3. Measure resistance between both ends of signal line.
  Specification: Approx. 0 Ω
  
  Fig 2: Measuring Resistance Between Ends Of Signal Line
  Courtesy of HYUNDAI MOTOR CO.
4. Is resistance within specification?
  YES
  - Go to next procedure.
  NO
  - Repair as necessary and go to VERIFICATION OF VEHICLE REPAIR .