DTC B1650: Occupant Classification System Malfunction; DTC B165A: Occupant Detection Sensor Zero Point Calibration Incomplete [08/2020 - ]: Description
WARNING: This page is about a different car, the 2025 Toyota RAV4, 2024 Toyota RAV4, 2023 Toyota RAV4, 2022 Toyota RAV4, and 2021 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
The airbag ECU assembly and occupant detection ECU communicate via CAN communication.
When the occupant detection ECU stores DTC B1771, B1780, B1782, B1795, B1798, B1799, U0125 or U0129, the airbag ECU assembly receives this information and stores DTC B1650.
When the occupant detection ECU stores DTC B1785 or B1787, the airbag ECU assembly receives this information and stores DTC B165A.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Warning Indicate | Test Mode / Check Mode |
|---|---|---|---|---|---|
| B1650 | Occupant Classification System Malfunction | The occupant detection ECU has stored DTC B1771, B1780, B1782, B1795, B1798, B1799, U0125 or U0129. | Occupant classification system | Comes on | Not applicable |
| B165A | Occupant Detection Sensor Zero Point Calibration Incomplete | The occupant detection ECU has stored DTC B1785 or B1787. | Occupant classification system | Comes on | Not applicable |