Component Inspection

Engine

Engine Control - P1112 Intake Air Temperature Sensor Circuit Intermittent High Input - Component Inspection

Component Inspection

Check resistance of IATS
1. IG "OFF" and disconnect IATS connector.
2. Measure resistance between signal and ground terminals of IATS connector after checking out the temperature of IATS with scantool
A. Specification :









3. Is the measured resistance within specification?
YES
1) 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.
NO
1) 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.