Signal Circuit Inspection
- IG "OFF".
- Disconnect IATS connector.
- IG "ON" & ENG "OFF".
- Measure the voltage between signal terminal of IATS harness connector and chassis ground.
Specification: Approx. 3.3V
- Is the measured voltage within specification?
YES
- Go to "COMPONENT INSPECTION " procedure
NO
- Repair or replace as necessary and then, go to "VERIFICATION OF VEHICLE REPAIR " procedure.