Conditions for Running the DTC

DTCs P0107, P0108, P0122, P0123, P0506, P0507 are not set.
The engine is running for more than 2 minutes.
The ECT Sensor parameter is more than 75° C (167° F).
The MAP reading is less than 50 kPa for a TP sensor skewed high test.
The MAP reading is more than 70 kPa for a TP sensor skewed low test.
The MAP Sensor parameter does not change more than 5 kPa for more than 5 seconds.
The IAC Position parameter is between 0-130 counts.
DTC P0121 runs continuously when the above condition is met.