Typical Enabling Conditions
P0400, P0402
| Monitor runs whenever the following DTCs are not stored | None |
| Time after engine started | 3 seconds or more |
| Time after engine fuel cut | 2.6 seconds or more |
| Engine speed | 950 to 1600 rpm |
| Vehicle speed | 21 km/h (13 mph) or more |
| Engine coolant temperature | 75°C (167°F) or higher |
| Battery voltage | 11 V or higher |
| Intake air temperature | -10°C (14°F) or higher |
| Atmospheric pressure | 76 kPa(abs) [11 psi(abs)] or higher |
P0401
| Monitor runs whenever the following DTCs are not stored | P0010, P1360, P1362, P1364, P1366, P2614 (Motor drive VVT system control module) P0011 (VVT system - advance) P0012 (VVT system - retard) P0013 (Exhaust VVT oil control solenoid) P0014 (Exhaust VVT system - advance) P0015 (Exhaust VVT system - retard) P0016 (VVT system - misalignment) P0017 (Exhaust VVT system - misalignment) P0031, P0032, P101D (Air fuel ratio sensor (sensor 1) heater) P0101, P0102, P0103 (Mass air flow meter) P0106, P0107, P0108 (Manifold absolute pressure) P0111, P0112, P0113 (Intake air temperature sensor) P0116, P0117, P0118 (Engine coolant temperature sensor) P0121, P0122, P0123, P0222, P0223, P2135 (Throttle position sensor) P0125 (Insufficient coolant temperature for closed loop fuel control) P014C, P014D, P015A, P015B, P2195, P2196, P2237, P2238, P2239, P2252, P2253 (Air fuel ratio sensor (sensor 1)) P0171, P0172 (Fuel system) P0327, P0328 (Knock control sensor) P0335, P0337, P0338 (Crankshaft position sensor) P0340, P0342, P0343 (Camshaft position sensor) P0365, P0367, P0368 (Exhaust camshaft position sensor) P0489, P0490 (EGR control circuit) P0500 (Vehicle speed sensor) P0657, P0658, P2102, P2103, P2111, P2112, P2119 (Throttle actuator) P106A (Evaporative emission control system pressure sensor - manifold pressure sensor correlation) P11EA, P11EC, P11ED, P11EE, P11EF, P219A, P219C, P219D, P219E, P219F (Air-fuel ratio imbalance) P2228, P2229 (Atmospheric pressure sensor) |
| Time after engine started | 3 seconds or more |
| Time after engine fuel cut | 2.6 seconds or more |
| Engine speed | 950 to 1600 rpm |
| Vehicle speed | 21 km/h (13 mph) or more |
| Engine coolant temperature | 75°C (167°F) or higher |
| Battery voltage | 11 V or higher |
| Intake air temperature | -10°C (14°F) or higher |
| Atmospheric pressure | 76 kPa(abs) [11 psi(abs)] or higher |