Typical Enabling Conditions
| Monitor runs whenever following DTCs are not present | P0010 (VVT Oil Control Valve Bank 1) P0011 (VVT System bank 1 - Advance) P0012 (VVT System bank 1 - Retard) P0016 (VVT System bank 1 - 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 (Rear Oxygen sensor - Sensor 2) 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) P0606, P0607 (Heated Oxygen Sensor - Sensor 2) P2195, P2196, P2237, P2238, P2239, P2252, P2253, P2A00 (Air Fuel Ratio Sensor - Sensor 1) |
| 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 coefficient | 0.75 or more |
| Idling | OFF |
| Engine RPM | Less than 4000 rpm |
| Air fuel ratio sensor status | 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) |
| Rear Heated oxygen sensor monitor | Completed |
| Shift position | A/T models: 4th or higher M/T models: 3rd or higher |