Ground Circuit Inspection
- IG "OFF".
- Disconnect IATS connector.
- IG KEY "ON" & ENG "OFF".
- Measure the voltage between signal terminal of IATS harness connector and chassis ground. (A)
- Measure the voltage between signal and ground terminal of IATS harness connector and chassis ground. (B)
Specification: Voltage difference between measurement "A" and "B" is below 200mV.
- 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.