| Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001BE5L |
| Model Year Start: 2019 | Model: Avalon HV | Prod Date Range: [04/2018 - 08/2021] |
| Title: PRE-COLLISION: PRE-COLLISION SYSTEM (for HV Model): C1A50; Brake System Malfunction; 2019 - 2021 MY Avalon HV [04/2018 - 08/2021] | ||
|
DTC |
C1A50 |
Brake System Malfunction |
DESCRIPTION
When the pre-collision system is operating, the driving support ECU assembly sends brake control signals to the skid control ECU (brake booster with master cylinder assembly).
If the driving support ECU assembly receives an electronically controlled brake system malfunction signal from the skid control ECU (brake booster with master cylinder assembly) via CAN communication, DTC C1A50 will be stored.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
C1A50 |
Brake System Malfunction |
While the power switch is on (IG), the driving support ECU assembly receives an electronically controlled brake system malfunction signal from the skid control ECU (brake booster with master cylinder assembly) for 0.3 seconds or more. |
Electronically controlled brake system |
CAUTION / NOTICE / HINT
NOTICE:
The pre-collision system 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 C1A50 is output by the pre-collision system, perform troubleshooting for the electronically controlled brake system.
Click here
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END |
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