Typical Enabling Conditions
| Monitor runs whenever following DTCs not stored | P0301 (Cylinder 1 Misfire Detected) P0302 (Cylinder 2 Misfire Detected) P0303 (Cylinder 3 Misfire Detected) P0304 (Cylinder 4 Misfire Detected) P0300 (Random/Multiple Cylinder Misfire Detected) P0171 (System Too Lean Bank 1) P0172 (System Too Rich Bank 1) P2096 (Post Catalyst Fuel Trim System Too Lean Bank 1) P2097 (Post Catalyst Fuel Trim System Too Rich Bank 1) P0134 (O2 Sensor Circuit No Activity Detected Bank 1 Sensor 1) P2196 (O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 1) P2195 (O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1) P0131 (O2 Sensor Circuit Low Voltage Bank 1 Sensor 1) P0132 (O2 Sensor Circuit High Voltage Bank 1 Sensor 1) P015B (O2 Sensor Delayed Response - Lean to Rich Bank 1 Sensor 1) P015A (O2 Sensor Delayed Response - Rich to Lean Bank 1 Sensor 1) P014D (O2 Sensor Slow Response - Lean to Rich Bank 1 Sensor 1) P014C (O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 1) P0032 (HO2S Heater Control Circuit High Bank 1 Sensor 1) P0031 (HO2S Heater Control Circuit Low Bank 1 Sensor 1) P0030 (HO2S Heater Control Circuit Bank 1 Sensor 1) P0137 (O2 Sensor Circuit Low Voltage Bank 1 Sensor 2) P0138 (O2 Sensor Circuit High Voltage Bank 1 Sensor 2) P2270 (O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 2) P2271 (O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 2) P013F (O2 Sensor Delayed Response - Lean to Rich Bank 1 Sensor 2) P013E (O2 Sensor Delayed Response - Rich to Lean Bank 1 Sensor 2) P013B (O2 Sensor Slow Response - Lean to Rich Bank 1 Sensor 2) P013A (O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 2) P0038 (HO2S Heater Control Circuit High Bank 1 Sensor 2) P0037 (HO2S Heater Control Circuit Low Bank 1 Sensor 2) P0141 (O2 Sensor Heater Circuit Bank 1 Sensor 2) P0458 (EVAP System Purge Control Valve "A" Circuit Low) P0459 (EVAP System Purge Control Valve "A" Circuit High) P2158 (Vehicle Speed Sensor "B" Circuit) P0102 (Mass or Volume Air Flow Sensor "A" Circuit Low) P0103 (Mass or Volume Air Flow Sensor "A" Circuit High) P0101 (Mass or Volume Air Flow Sensor "A" Circuit Range/Performance) P0201 (Cylinder 1 Injector "A" Circuit) P0202 (Cylinder 2 Injector "A" Circuit) P0203 (Cylinder 3 Injector "A" Circuit) P0204 (Cylinder 4 Injector "A" Circuit) U0416 (Invalid Data Received From Vehicle Dynamics Control Module) U0122 (Lost Communication With Vehicle Dynamics Control Module) U0073 (Control Module Communication Bus "A" Off) P0453 (EVAP System Pressure Sensor/Switch Circuit High) P0452 (EVAP System Pressure Sensor/Switch Circuit Low) P0451 (EVAP System Pressure Sensor/Switch Circuit Range/Performance) P0441 (EVAP System Incorrect Purge Flow) P219A (Bank 1 Air-Fuel Ratio Imbalance) P0351 (Ignition Coil "A" Primary Control Circuit/Open) P0352 (Ignition Coil "B" Primary Control Circuit/Open) P0353 (Ignition Coil "C" Primary Control Circuit/Open) P0354 (Ignition Coil "D" Primary Control Circuit/Open) |
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| Battery voltage | 10.9 V or more | |
| Atmospheric pressure | 75.06 kPa [563 mmHg] or higher | |
| Intake air mass per second | 5 g/sec or more and less than 30 g/sec | |
| Estimated catalyst temperature | 440°C (824°F) or higher | |
| Vehicle speed | 40 km/h (24.9 mph) or more | |
| Estimated heated oxygen sensor element temperature | 500°C (932°F) or higher | |
| Fuel system status (heated oxygen sensor) | Closed loop | |
| Condition below is experienced heated oxygen sensor output voltage after fuel cut | 0.55 V or more | |