Power Circuit Inspection

Check for Short to Ground in Power Circuit
1. IG KEY OFF.
2. Disconnect PCM and APS harness connector.
3. IG KEY ON.
4. Measure resistance between APS1 power terminal of APS harness connector and chassis ground.
  Specification: Infinite
  
  Fig 1: Measuring Resistance Between APS1 Power Terminal Of APS Harness Connector And Chassis Ground
  Courtesy of HYUNDAI MOTOR CO.
5. Is resistance within specification?
  YES
  - Go to next procedure.
  NO
  - Repair as necessary and go to VERIFICATION OF VEHICLE REPAIR .
Check for Open in Power circuit
1. IG KEY OFF.
2. Disconnect APS harness connector.
3. IG KEY ON.
4. Measure voltage between APS1 power terminal of APS harness connector and chassis ground.
  Specification: Approx. 5 V
  
  Fig 2: Measuring Voltage Between APS1 Power Terminal Of APS Harness Connector And Chassis Ground
  Courtesy of HYUNDAI MOTOR CO.
5. Is voltage within specification?
  YES
  - Go to next procedure.
  NO
  - Repair as necessary and go to VERIFICATION OF VEHICLE REPAIR .