DTC C1AA3: Vehicle Speed Sensor Circuit [10/2015 - ]: Description
WARNING: This page is about a different car, the 2018 Toyota Avalon, 2017 Toyota Avalon, and 2016 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
The forward recognition camera receives vehicle speed signals from the skid control ECU (brake booster with master cylinder assembly). If the skid control ECU (brake booster with master cylinder assembly) receives a vehicle speed sensor malfunction signal, it informs the forward recognition camera via CAN communication, and DTC C1AA3 is stored.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1AA3 | Vehicle Speed Sensor Circuit | 2 seconds after the power switch is turned on (IG), a signal from the skid control ECU (brake booster with master cylinder assembly) indicating a malfunction in a vehicle speed sensor is detected by the forward recognition camera for 5 seconds or more. |
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