Monitor Description
WARNING: This page is about a different car, the 2025 Lexus RX 350, 2024 Lexus RX 350, and 2023 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
If the output voltage transmitted by the ball valve position sensor remains low, the ECM interprets this as a malfunction in the sensor circuit, illuminates the MIL and stores a DTC.