Typical Enabling Conditions
| Monitor runs whenever the following DTCs are not stored | P0010 (Camshaft timing oil control valve) P0011 (VVT system - advance) P0012 (VVT system - retard) P0016 (VVT system - misalignment) P0031, P0032, P101D (Air fuel ratio sensor heater) P0037, P0038, P0141, P102D (Heated oxygen sensor heater) P0101, P0102, P0103 (Mass air flow meter) P0106, P0107, P0108 (Manifold absolute pressure) P0111, P0112, P0113 (Intake air temperature sensor) P0116, P0117, P0118 (Engine coolant temperature sensor) P011B (Engine coolant temperature/intake air temperature sensor correlation) P0121, P0122, P0123, P0222, P0223, P2135 (Throttle position sensor) P0125 (Insufficient coolant temperature for closed loop fuel control) P0128 (Thermostat) P0136, P0137, P0138, P0139, P013A, P0607 (Heated oxygen sensor) P014C, P014D, P015A, P015B, P2195, P2196, P2237, P2238, P2239, P2252, P2253 (Air fuel ratio sensor) P0171, P0172 (Fuel system) P0300 - P0304 (Misfire) P0327, P0328 (Knock control sensor) P0335 (Crankshaft position sensor) P0340, P0342, P0343 (Camshaft position sensor) P0351 - P0354 (Igniter) P0401, P0403 (EGR system) P0443 (EVAP system) P0657, P2102, P2103, P2111, P2112, P2119 (Throttle actuator) P219A, P219C, P219D, P219E, P219F (Air-fuel ratio imbalance) P2228, P2229 (Atmospheric pressure sensor) |
| Response rate during fuel cut from rich condition | Completed |
| Auxiliary battery voltage | 11 V or higher |
| Intake air temperature | -10°C (14°F) or higher |
| Engine coolant temperature | 75°C (167°F) or higher |
| Atmospheric pressure | 76 kPa(abs) [11 psi(abs)] or higher |
| Idling | Off |
| Engine speed | Less than 4500 rpm |
| Air fuel ratio sensor status | Activated |
| Fuel system status | Closed loop |
| Engine load | 10% or higher, and less than 80% |
| All of the following conditions are met | 1, 2 and 3 |
| 1. Mass air flow | 2.5 gm/sec or more, and less than 50 gm/sec |
| 2. Front catalyst temperature (estimated) | 450°C (842°F) or higher, and less than 770°C (1418°F) |
| 3. Rear catalyst temperature (estimated) | 330°C (626°F) or higher, and less than 700°C (1292°F) |
| Air fuel ratio imbalance of clogged EGR runner fail | Not set |