Ground Circuit Inspection
- IG "OFF" and disconnect IATS connector and then turn the ignition ON.
- Measure voltage between terminal 4 of IATS harness connector and chassis ground.
- Measure voltage between terminals 4 and 5 of IATS harness connector.
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 contact resistance or open in harness and go to "VERIFICATION OF VEHICLE REPAIR " procedure.