Typical Enabling Conditions
| Monitor runs whenever the following DTCs are not stored | P0010 (VVT oil control valve) P0011 (VVT system - advance) P0012 (VVT system - retard) P0016 (VVT system - misalignment) P0013 (Exhaust camshaft timing oil control valve) P0014 (Exhaust VVT system - advance) P0015 (Exhaust VVT system - retard) P0017 (Exhaust VVT system - misalignment) P0031, P0032, P101D (Air fuel ratio sensor heater) P0037, P0038, P102D (Heated oxygen sensor heater) P0136, P0137, P0138, P0139, P013A, P0607 (Rear oxygen sensor) P0102, P0103 (Mass air flow meter) 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) P0171, P0172 (Fuel system) P0301 - P0304 (Misfire) P0335 (Crankshaft position sensor) P0340, P0342, P0343 (Camshaft position sensor) P0365, P0367, P0368 (Exhaust camshaft position sensor) P0351 - P0354 (Igniter) P0500 (Vehicle speed sensor) P014C, P014D, P015A, P015B, P2195, P2196, P2237, P2238, P2239, P2252, P2253 (Air fuel ratio sensor) P219A (Air fuel ratio imbalance) |
| 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 90% |
| Shift position | 3rd or higher |
| All of the following conditions are met | - |
| Mass air flow rate | 1.5 gm/sec or more, and less than 75 gm/sec. |
| Front catalyst temperature (estimated) | 540°C (1004°F) or higher, and less than 880°C (1616°F) |
| Rear catalyst temperature (estimated) | 380°C (716°F) or higher, and less than 770°C (1418°F) |