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.
| Monitor runs whenever the following DTCs are not stored | P15B9 (Ambient Temperature Sensor / Ambient Temperature Sensor "B" Signal Compare Failure) 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) P00DB (Ambient Air Temperature Sensor Circuit "B" Low) P00DC (Ambient Air Temperature Sensor Circuit "B" 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 |