Code Enable Criteria
- DTC P0101, P0102, P0103, P0107, P0108, P0112, P0113, P0117, P0118, P0121, P0122, P0123, P0201-P0206, P0300, P0335, P0385, P0403, P0404, P0405, P0502, P0503, P0506, P0507, P1106, P1107, P1112, P1114, P1115, P1121, P1122, P1372 or P1404 is not set.
- System voltage is 11-18 volts.
- A/C status does not change.
- Transaxle range does not change.
- Throttle position angle is less than 1.3 percent, deceleration.
- Deceleration fuel cut-off is steady for .3 second.
- Intake air temperature is more than 176°F (80°C).
- Engine coolant temperature is more than 176°F (80°C).
- Engine speed is 900-1200 RPM.
- Idle air control valve position is steady.
- Vehicle speed is more than 23 MPH.
- Barometric pressure is more than 10 psi (70 kPa).
- Vehicle needs to be driven at more than 50 MPH, then allowed to decelerate. When vehicle is decelerating while meeting all of the criteria listed, PCM will enable test to run. During the test, desired EGR parameter and EGR position sensor on scan tool will change from zero to a calibrated valve more than zero.