Signal Circuit Inspection

Check short to ground in harness
1. IG "OFF".
2. Disconnect APS and PCM connector.
3. Measure resistance between terminal 1 of APS harness connector and chassis ground.
4. Measure resistance between terminal 1 and 5 of APS harness connector.
5. Measure resistance between terminal 1 and 4 of APS harness connector.
  Specification : Infinite
6. Is the measured resistance within specification ?
  YES
  - Go to " 1Check 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 1 of APS harness connector and terminal 49 of PCM harness connector.
  Specification : Approx. below 1 Ω
4. Is the measured resistance within specification ?
  YES
  - Go to "COMPONENT INSPECTION " procedure.
  NO
  - Repair or replace as necessary and then, go to "VERIFICATION OF VEHICLE REPAIR " procedure.