| Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001BE5N |
| Model Year Start: 2019 | Model: Avalon HV | Prod Date Range: [04/2018 - 08/2021] |
| Title: PRE-COLLISION: PRE-COLLISION SYSTEM (for HV Model): C1A64; Brake Control Signal Mismatch; 2019 - 2021 MY Avalon HV [04/2018 - 08/2021] | ||
|
DTC |
C1A64 |
Brake Control Signal Mismatch |
DESCRIPTION
The skid control ECU (brake booster with master cylinder assembly) sends signals to the driving support ECU assembly according to the brake control status. 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), it will store DTC C1A64.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
C1A64 |
Brake Control Signal Mismatch |
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) continuously for 0.5 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.
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![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 C1A64 is output by the pre-collision system, perform troubleshooting for the electronically controlled brake system.
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END |
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