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
IC internal error
ON
CONDITION 2
A/C refrigerant expansion valve actuator control circuit current