DTC B1418-11: Emission Gas Sensor (HC) Circuit Short to Ground [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 smog ventilation sensor is installed to the front of the cooler condenser assembly to automatically control the air inlet mode (fresh, recirculation/fresh, and recirculation).
This sensor detects HC and CO in the ambient air and transmits signals to the air conditioning amplifier assembly.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Memory | DTC Output from | Priority |
|---|---|---|---|---|---|---|
| B1418-11 | Emission Gas Sensor (HC) Circuit Short to Ground | Open or short in smog ventilation sensor circuit (HC, CO) |
|
- | Air Conditioner | A |