Typical Enabling Conditions
| Monitor runs whenever following DTCs are not present | P0010 (VVT Oil Control Valve) P0011 (VVT System - Advance) P0012 (VVT System - Retard) P0016 (VVT System - Misalignment) P0031, P0032 (Air Fuel Ratio Sensor Heater - Sensor 1) P0037, P0038 (Heated Oxygen Sensor Heater - Sensor 2) 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 Engine Coolant Temperature for Closed Loop Fuel Control) P0136, P0137, P0138, P0139 (Oxygen sensor - Sensor 2) P014C, P014D, P015A, P015B, P2195, P2196, P2237, P2238, P2239, P2252, P2253 (Air Fuel Ratio Sensor - Sensor 1) P0171, P0172 (Fuel System) P0301, P0302, P0303, P0304 (Misfire) P0335 (Crankshaft Position Sensor) P0340 (Camshaft Position Sensor) P0351, P0352, P0353, P0354 (Igniter) P0500 (Vehicle Speed Sensor) P0607 (Heated Oxygen Sensor - Sensor 2) |
| Battery voltage | 11 V or more |
| Intake air temperature | -10°C (14°F) or more |
| Engine coolant temperature | 75°C (167°F) or more |
| Atmospheric pressure | 76 kPa (570 mmHg) or more |
| Idle | Off |
| Engine speed | Less than 4000 RPM |
| Air fuel ratio sensor | Activated |
| Fuel system status | Closed loop |
| Engine load | 10 to 80% |
| All of the following conditions are met | Condition 1, 2 and 3 |
| 1. Mass air flow rate | 2.5 to 50 g/sec |
| 2. Front catalyst temperature (estimated) | 620 to 840°C (1148 to 1544°F) |
| 3. Rear catalyst temperature (estimated) | 400 to 770°C (752 to 1418°F) |
| Heated oxygen sensor monitor | Completed |
| Shift position | Automatic transaxle: 4th or higher Manual transaxle: 3rd or higher |