Signal Circuit Inspection
- IG "OFF" and disconnect IATS connector.
- IG "ON" & ENG "OFF"
- Measure voltage between terminal 4 of IATS harness connector and chassis ground.
Specification: Approx. 5V
- Is the measured voltage within specification?
YES
- Go to "GROUND CIRCUIT INSPECTION " procedure.
NO
- Repair open or short to ground in harness and go to "VERIFICATION OF VEHICLE REPAIR " procedure.