Monitor Description
WARNING: This page is about a different car, the 2025 Toyota Highlander, 2024 Toyota Highlander, and 2023 Toyota Highlander. 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 high, the ECM interprets this as a malfunction in the sensor circuit, illuminates the MIL and stores a DTC.