DTC C1420: Malfunction in Deceleration Sensor [04/2018 - ]: Description
WARNING: This page is about a different car, the 2022 Toyota Avalon, 2021 Toyota Avalon, 2020 Toyota Avalon, and 2019 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
The airbag ECU assembly has a built-in yaw rate and acceleration sensor and detects the vehicle condition using 2 circuits (GL1, GL2).
The skid control ECU (brake booster with master cylinder assembly) receives signals from the yaw rate and acceleration sensor (airbag ECU assembly) via CAN communication.
| DTC No. | Detection Item | INF Code | DTC Detection Condition | Trouble Area | MIL | Note |
|---|---|---|---|---|---|---|
| C1420 | Malfunction in Deceleration Sensor | 571 | After the difference between GL1 and GL2 is 0.6 G or more with the vehicle stopped, the difference between GL1 and GL2 does not drop below 0.4 G or more for 60 seconds or more. |
|
Does not come on | ABS DTC |