Code Enable Criteria

Conditions for running DTC:

• Engine is running at a steady speed and in closed loop.

Conditions for setting DTC:

• Engine coolant temperature is 158-230°F (70-110°C).
• Intake air temperature is 14-158°F (-10 to 70°C).
• Barometric pressure is greater than 11 psi (75 kPa).
• Fuel level is greater than 25 percent.
• Calculated load value is 26-80 percent.
• Engine operating in closed-loop.
• Delay time average of HO2S-2 response is not within specification.
• Conditions are present for 45 seconds.