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6E–291 6VD1 3.2L ENGINE DRIVEABILITY AND EMISSIONS Diagnostic Trouble Code (DTC) P1111 IAT Sensor Circuit Intermittent High Voltage D06RY00147 Circuit Description The intake air temperature (IAT) sensor is a thermistor Conditions for Setting the DTC D The engine has been running for over 30 seconds. D Vehicle speed is less than 32 km/h (20 mph). D Engine coolant temperature is above 60 ° C (140 ° F). D Mass air flow is less than 20g/second. D IAT signal voltage indicates and intake air temperature ° C (–38 ° F) (about 5 volts) for approximately 2.5 seconds over a 25-second Action Taken When the DTC Sets D The PCM will substitute a default value for intake air D The PCM will store conditions which were present D DTC P1111 does not illuminate the MIL. Conditions for Clearing the MIL/DTC D A history DTC P1111 will clear after 40 consecutive D DTC P1111 can be cleared by using the Tech 2 “Clear Diagnostic Aids Check for the following conditions: D Poor connection at PCM –Inspect harness connectors D Damaged harness – Inspect the wiring harness for |