Monitor Description
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.
When the difference between the actual speed of the compressor with motor assembly and the target speed from the air conditioning amplifier assembly is continuously below the threshold value, the air conditioning ECU illuminates the MIL and stores the DTC.