Typical Enabling Conditions
TYPICAL ENABLING CONDITIONS
| Monitor runs whenever following DTCs are not present | P0031, P0032, P0051, P0052 (Air fuel ratio sensor heater - Sensor 1) P0102, P0103 (Mass air flow meter) P0120 - P0223, P2135 (Throttle position sensor) P0125 (Insufficient engine coolant temperature for Closed Loop) P0171, P0172 (Fuel system) P0300 - P0304 (Misfire) P0335 (Crankshaft position sensor) P0340 (Camshaft position sensor) P0455, P0456 (EVAP system) P0500 (Vehicle speed sensor) P2196, P2198 (Air fuel ratio sensor - rationality) |
| Active A/F control | Performing |
| Active A/F control performed when following conditions are met | - |
| Battery voltage | 11 V or more |
| Engine coolant temperature | 75°C (167°F) or more |
| Idling | OFF |
| Engine RPM | Less than 4000 rpm |
| Air fuel ratio sensor status | Activated |
| Fuel-cut | OFF |
| Engine load | 10 to 70% |
| Shift position | 2 or more |
| Catalyst monitor | Not yet |
| Intake air amount | 4 to 16 g/sec. |