Typical Malfunction Thresholds

WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. However, it is still accessible from the selected car via links, so may be relevant.

Fail Counter*	15 seconds or more
*: Count up fail counter when both of the following conditions are met	(a) and (b)
(a) Engine water pump (IN) motor speed	100 rpm or higher
(b) Engine water pump (IN) motor speed	Less than 170 rpm