Power Circuit Inspection

Check For Short To Ground In Power Circuit
1. IG KEY OFF.
2. Disconnect PCM/ECM and APS harness connector.
3. Measure resistance between APS2 power terminal of APS harness connector and chassis ground.
  Specification: Infinite
4. Is resistance within specification?
  YES
  - Go to next procedure.
  NO
  - Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
Check For Open In Power Circuit
1. IG KEY OFF.
2. Disconnect APS harness connector.
3. IG KEY ON.
4. Measure voltage between APS2 power terminal of APS harness connector and chassis ground.
  Specification: Approx. 5V
5. Is voltage within specification?
  YES
  - Go to next procedure.
  NO
  - Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.