Typical Enabling Conditions
WARNING: This page is about a different car, the 2025 Lexus RX 450h+ and 2024 Lexus RX 450h+. However, it is still accessible from the selected car via links, so may be relevant.
| Monitor runs whenever the following DTCs are not stored | P153A (A/C Refrigerant Temperature/Ambient Air Temperature Performance) P0531 (A/C Refrigerant Pressure Sensor "A" Circuit Range/Performance) P0531 (A/C Refrigerant Pressure Sensor "A" Circuit Range/Performance (Vcc)) P0532 (A/C Refrigerant Pressure Sensor "A" Circuit Low) P0533 (A/C Refrigerant Pressure Sensor "A" Circuit High) P0072 (Ambient Air Temperature Sensor Circuit "A" Low) P0073 (Ambient Air Temperature Sensor Circuit "A" High) |
| Battery voltage | 10 V or higher |
| Ignition Switch Condition | Ignition switch is turned to ON after 1 hour elapses after power |
| Ambient temperature sensor | 5 °C or higher |