Conditions for Setting the DTC

The difference between the APP 1 sensor and the APP 2 sensor is more than 0.23 volts (PCM compares pre-scaled voltage, internal to PCM).
The difference between the APP 1 sensor and the APP 3 sensor is more than 0.50 volts (PCM compares pre-scaled voltage, internal to PCM).
All of the diagnostic set conditions are met for 2 seconds.