Typical Enabling Conditions
| Monitor runs whenever following DTCs are not stored | P0010 (VVT 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, P102D (Heated oxygen sensor heater) P0102, P0103 (Mass air flow meter) P0107, P0108 (Manifold absolute pressure) P0115, P0117, P0118 (Engine coolant temperature sensor) P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 (Throttle position sensor) P0125 (Insufficient coolant temperature for closed loop fuel control) P0136, P0137, P0138, P0139, P0607 (Heated oxygen sensor) P014C, P014D, P015A, P015B, P2195, P2196, P2237, P2238, P2239, P2252, P2253 (Air fuel ratio sensor) P0171, P0172 (Fuel system) P0301, P0302, P0303, P0304 (Misfire) P0335 (Crankshaft position sensor) P0340, P0342, P0343 (Camshaft position sensor) P0351, P0352, P0353, P0354 (Igniter) P0401 (EGR system (closed)) P219A (Air fuel ratio imbalance) |
| 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) [570 mmHg(abs)] or higher |
| Idling | Off |
| Engine speed | Less than 4000 rpm |
| Air fuel ratio sensor status | Activated |
| Fuel system status | Closed loop |
| Engine load | 10% or higher, and less than 70% |
| All of the following conditions (a), (b) and (c) are met | - |
| (a) Mass air flow rate | 2.5 gm/sec or more, and less than 50 gm/sec |
| (b) Front catalyst temperature (estimated) | 600°C (1112°F) or higher, and less than 770°C (1418°F) |
| (c) Rear catalyst temperature (estimated) | 450°C (842°F) or higher, and less than 700°C (1292°F) |