| Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001BE41 |
| Model Year Start: 2019 | Model: Avalon HV | Prod Date Range: [04/2018 - 08/2021] |
| Title: CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM (w/ Steering Control) (for HV Model): C1AA3; Vehicle Speed Sensor Circuit; 2019 - 2021 MY Avalon HV [04/2018 - 08/2021] | ||
|
DTC |
C1AA3 |
Vehicle Speed Sensor Circuit |
DESCRIPTION
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. |
Electronically controlled brake system |
CAUTION / NOTICE / HINT
NOTICE:
The lane departure alert system (w/ steering control) uses the CAN communication system. First, confirm that there are no malfunctions in the CAN communication system. Refer to How to Proceed with Troubleshooting.
Click here
![2019 - 2022 MY Avalon HV [04/2018 - ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)
PROCEDURE
|
1. |
GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM |
HINT:
If DTC C1AA3 is output by the lane departure alert system (w/ steering control), perform troubleshooting for the electronically controlled brake system.
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| NEXT |
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END |
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