Conditions For Running DTC
- DTCs P0030, P0031, P0032, P0036, P0037, P0038, P0050, P0051, P0052, P0056, P0057, P0058, P0116, P0117, P0118, P0121, P0122, P0123, P0125, P0128, P0131, P0132, P0133, P0134, P0135, P0136, P0137, P0138, P0139, P0140, P0141, P0150, P0151, P0152, P0153, P0154, P0155, P0156, P0157, P0158, P0159, P0160, P0161, P0221, P0222, P0223, P0443, P0444, P0445, P0446, P0447, P0448, P0449, P0451, P0452, P0453, P0455, P0506, P0507, P1271, P1277, P1278, P1282, P1283, P1511, P1516, P1519, P1523, P1526, P1530, P1551, P2100, P2101, P2107, P2119, P2122, P2123, P2127, P2128, P2138, P2176 are not set.
- The EVAP purge solenoid is commanded OFF.
- The EVAP vent solenoid is commanded ON.
- The engine is at idle.
- The engine load is less than 35 percent.
- The MAP is less than 40 kPa.
- The battery voltage is greater than 11 volts.
- The ECT at engine start-up is between 46-167°F (8-75°C).
- The IAT is between 46-167°F (8-75°C).
- The long term FT cells learned (if not learned, engine must run longer than 16 minutes and 45 seconds).
- The fuel level is between 1.6-12.7 gallons (6-48 L).
DTC P0442 diagnostic runs once per ignition cycle.