Component Inspection
- Check IATS resistance
- IG "OFF" and disconnect IATS connector.
- Measure resistance between signal and ground terminals of IATS connector after checking out the temperature of IATS with GDS. (Component Side)
Specification:
RESISTANCE SPECIFICATIONTemp. (°C) Resistance (kΩ) Temp. (°C) Resistance (kΩ) -40 40.93~48.35 20 2.31~2.57 -20 13.89~16.03 40 1.08~1.21 0 5.38~6.09 60 0.54~0.66 10 3.48~3.90 80 0.29~0.34 - Is the measured resistance within specification?
YES
- Substitute with a known - good PCM and check for proper operation. If the problem is corrected, replace PCM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.NOTE: There is a memory reset function on GDS that can erase optional parts automatically detected and memorized by PCM. Before or after testing PCM on the vehicle, use this function to reuse the PCM on the others.
NO
- Substitute with a known - good IATS and check for proper operation. If the problem is corrected, replace IATS and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
- Substitute with a known - good PCM and check for proper operation. If the problem is corrected, replace PCM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.