Typical Malfunction Thresholds
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.
A malfunction is detected if any of the following conditions apply.
CONDITION 1
| Compressor target speed | 3420 rpm or higher |
| Battery cooling refrigerant pressure sensor pressure versus ambient temperature | Standard in Table 1 or higher |
| Average temperature of No. 2 air conditioning thermistor assembly (duct outlet 1) and No. 2 air conditioning thermistor assembly (duct outlet 2) | 20 °C or higher |
Table 1
| *a | Refrigerant Pressure Map |
| *b | Refrigerant Pressure Criteria (MPa) |
| *c | Ambient Temperature Sensor Value (°C) |
CONDITION 2
| No. 1 air conditioning thermistor assembly (duct inlet 1, duct inlet 2) temperature | 5°C or higher |
| Compressor actual speed | 1000 rpm or higher |
| Compressor discharge gas pressure | 2.5 MPa or less |