Signal Circuit Inspection
- Ignition "ON" & Engine "OFF"
- Measure the voltage between signal terminal of IATS harness connector and chassis ground.
Specification : Approx. 5V
- Is voltage within the specification?
YES
- Go to next step as below
NO
- Check for open or short to battery in signal harness. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.