Code Enable Criteria

Conditions for running DTC:

• DTCs P0106, P0107, P0108, P0112, P0113, P0117, P0118, P0121, P0122, P0123, P0300, P0404, P0405, P0502, P0503, P0506, P0507, P1111, P1112, P1114, P1115, P1121, P1122, P1404, P1635 or P1639 is not set
• Ignition voltage is 11.7-18 volts.
• Barometric pressure is greater than 70 kPa.
• Engine coolant temperature is 140-243°F (60-117°C).
• Intake air temperature is less than 140°F (65°C).
• Engine speed is 725-2000 RPM.
• Throttle position sensor angle is less than one percent.
• Altitude compensated MAP is 3-6 psi (10-60 kPa).
• Engine vacuum is 9-12 psi (60-83 kPa).
• Idle air control position is steady.
• Vehicle speed is 26-70 MPH.
• Change in vehicle speed sensor is less than 4 MPH.
• Change in manifold absolute pressure is less than 0.8 kPa.
• A/C clutch status is steady.
• Fuel system is not in deceleration fuel cut-off.

Conditions for setting DTC:

• Change in MAP is less than a predetermined value during EGR flow test.
• Conditions are present for 2 seconds.