Typical Enabling Conditions
WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.
MISFIRE
| Monitor runs whenever the following DTCs are not stored | P0016, P0018 (VVT system - misalignment) P0017, P0019 (Exhaust VVT system - misalignment) P0101, P0102, P0103 (Mass air flow meter) P0107, P0108 (Manifold absolute pressure) P0112, P0113 (Intake air temperature sensor) P0117, P0118 (Engine coolant temperature sensor) P0121, P0122, P0123, P0222, P0223, P2135 (Throttle position sensor) P0125 (Insufficient coolant temperature for closed loop fuel control) P0327, P0328, P0332, P0333 (Knock control sensor) P0335, P0337, P0338 (Crankshaft position sensor) P0340, P0342, P0343, P0345, P0347, P0348 (VVT sensor) P0351 - P0356 (Igniter) P0365, P0367, P0368, P0390, P0392, P0393 (Exhaust VVT sensor) |
| Auxiliary battery voltage | 8 V or higher |
| VVT system | Not operated by scan tool |
| Engine speed | 6000 rpm or less |
| Either of the following conditions is met | (a) or (b) |
| (a) Engine coolant temperature at engine start | Higher than -7°C (19°F) |
| (b) Engine coolant temperature | Higher than 20°C (68°F) |
| Fuel cut | Off |
MONITOR PERIOD OF EMISSION-RELATED MISFIRE
| After engine start, or during check mode | Crankshaft 1000 revolutions |
MONITOR PERIOD OF CATALYST-DAMAGING MISFIRE (MIL BLINKS)
| All of the following conditions 1, 2, 3 and 4 are met | Crankshaft 200 revolutions x 3 |
| Except above (MIL blinks immediately) | Crankshaft 200 revolutions |
| 1. Driving cycles | 1st |
| 2. Check mode | Off |
| 3. Engine speed | Less than 2150 rpm |
| 4. Engine load | Less than 70% |