| Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001AZ9C |
| Model Year Start: 2019 | Model: Avalon | Prod Date Range: [04/2018 - 08/2021] |
| Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model): C1448; Yaw Rate Sensor Output Value Malfunction; 2019 - 2021 MY Avalon [04/2018 - 08/2021] | ||
|
DTC |
C1448 |
Yaw Rate Sensor Output Value Malfunction |
DESCRIPTION
The skid control ECU (brake actuator assembly) receives signals from the yaw rate and acceleration sensor (airbag sensor assembly) via CAN communication.
The airbag sensor assembly has a built-in yaw rate and acceleration sensor and detects the vehicle condition.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
C1448 |
Yaw Rate Sensor Output Value Malfunction |
When the vehicle speed is 20 km/h (12 mph) or more, an invalid data signal is received from the yaw rate sensor for 120 seconds or more. |
Yaw rate sensor (airbag sensor assembly) |
CAUTION / NOTICE / HINT
NOTICE:
After replacing or reinstalling the yaw rate and acceleration sensor (airbag sensor assembly), perform system variant learning and acceleration sensor zero point calibration.
Click here
![2019 - 2021 MY Avalon [04/2018 - 08/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model): CALIBRATION](/t3Portal/stylegraphics/info.gif)
PROCEDURE
|
1. |
CHECK DTC |
(a) Clear the DTCs.
Chassis > ABS/VSC/TRAC/EPB > Clear DTCs
(b) Turn the engine switch off.
(c) Start and idle the engine.
(d) Drive the vehicle at a speed of 20 km/h (12 mph) or more for at least 120 seconds, and then stop the engine.
(e) Check if the same DTC is output.
Chassis > ABS/VSC/TRAC/EPB > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
C1448 is output |
A |
|
C1448 is not output |
B |
| A |
|
REPLACE AIRBAG SENSOR ASSEMBLY
|
| B |
|
|
|