DTC P16B4-79: Multi Flow Control Valve Stopper Mechanical Linkage Failure [10/2022 - ]: 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.
The water control valve shaft is fixed to the center of the ball valve, and its role is to transmit the rotational drive torque transmitted from the internal DC motor via the gear to the ball valve.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | DTC Output from | Priority | Note |
|---|---|---|---|---|---|---|---|
| P16B4-79 | Multi Flow Control Valve Stopper Mechanical Linkage Failure | Both of the following conditions are met for 0.5 seconds (2 trip detection logic):
|
Water control valve | Comes on | Engine | B |
|