Code Enable Criteria

Conditions for running DTC:

• Intake air temperature is 14-158°F (-10 to 70°C).
• Barometric pressure is greater than 11 psi (75 kPa).
• Fuel level is more than 25 percent.
• Engine coolant temperature is greater than 176°F (80°C).
• Vehicle speed is greater than 30 MPH for 2 minutes, and then idled for 2 minutes.
• Engine is running at a steady speed.

Conditions for setting DTC:

• Response rate average is greater than one second or switch cycle average is greater than 5 seconds.