Signal Circuit Inspection

Check short to ground in harness
1. IG "OFF".
2. Disconnect APS & PCM connector.
3. Measure resistance between terminal 3 of APS harness connector and chassis ground.
4. Measure resistance between terminal 3 and 5 of APS harness connector.
5. Measure resistance between terminal 3 and 6 of APS harness connector.
  Specification: Infinite
  
  Fig 1: Measuring Resistance Between Terminal 3, 5 And 6 Of APS Harness Connector
  Courtesy of HYUNDAI MOTOR CO.
6. Is the measured resistance within specification?
  YES
  - Go to " 2 Check open in harness" as follows.
  NO
  - Repair or replace as necessary and then, go to "VERIFICATION OF VEHICLE REPAIR " procedure.
Check open in harness
1. IG "OFF"
2. Disconnect "APS" and "PCM" connector.
3. Measure resistance between terminal 3 of APS harness connector and terminal 49 of PCM harness connector.
  Specification: Approx. below 1Ω
  
  Fig 2: Measuring Resistance Between Terminal 3 Of APS Harness Connector And Terminal 49 Of PCM Harness Connector
  Courtesy of HYUNDAI MOTOR CO.
4. Is the measured resistance within in specification?
  YES
  - Go to "COMPONENT INSPECTION " procedure.
  NO
  - Repair or replace as necessary and then, go to "VERIFICATION OF VEHICLE REPAIR " procedure.