Conditions for Running the DTC

Condition 1

• Intake air temperature is between 4-35°C (40-95°F).
• Atmospheric pressure is between 70-110 kPa.
• Battery voltage is more than 10.5 volts.
• The engine is running.
• DTC P0451 runs once per drive cycle when the above conditions have been met.

Condition 2

• Intake air temperature is between 4-35°C (40-95°F).
• Atmospheric pressure is between 70-110 kPa.
• Battery voltage is more than 10.5 volts.
• The ignition has been OFF continuously for at least 5 hours.
• DTC P0451 runs once per drive cycle when the above conditions have been met.