Signal Circuit Inspection

■ Check short to ground in harness 

1. IG "OFF".
2. Disconnect APS connector and ECM connector.
3. Measure resistance between APS1 signal terminal of APS harness connector and chassis ground. (Measurement "A")
4. Measure resistance between APS1 signal and APS1 (2) ground terminals of harness connector. (Measurement "B")

   Specification:  Infinite

5. Is the measured resistance within specification?

   YES 

   • Go to "Check open in harness" below.

   NO 

   • Repair short to ground in harness and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

■ Check open in harness 

1. IG "OFF" and disconnect APS connector and ECM connector.
2. Measure resistance between APS1 signal terminal of APS harness connector and APS1 signal terminal of ECM harness connector.

   Specification:  Approx. below 1Ω.

3. 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.