Signal Circuit Inspection

WARNING: This page is about a different variant/trim than selected.

■ Check voltage

IG "OFF". Disconnect IATS connector.
IG "ON" & ENG "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 below.
NO
- Check for open or short to battery in signal harness. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.