Signal Circuit Inspection
- Ignition "OFF" and disconnect APS connector.
- Ignition "ON"
- Measure voltage between Pin No. 3 (Signal) terminal of APS harness connector and chassis ground.
Specification: Approx. 0V
- Ignition "OFF" & Disconnect ECM connector.
- Measure resistance between Pin No. 3 (Signal) terminal and Pin No. 4 (Power) terminal of the APS.
Specification: ∞
- Is the measured Value within specification?
YES
- Go to "COMPONENT INSPECTION " procedure.
NO
- Repair or replace as necessary and then, go to "VERIFICATION OF REPAIR " procedure.