- Sensor installation
- Yaw rate and acceleration sensor (airbag ECU assembly)
| Last Modified: 01-30-2024 | 6.11:8.1.0 | Doc ID: RM1000000021IE5 |
| Model Year Start: 2022 | Model: RAV4 | Prod Date Range: [12/2021 - ] |
| Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): Zero Point Calibration of Steering Angle Sensor Not Acquired (X20D8); 2022 - 2024 MY RAV4 RAV4 HV [12/2021 - ] | ||
|
Zero Point Calibration of Steering Angle Sensor Not Acquired (X20D8) |
DESCRIPTION
|
Code |
Tester Display |
Measurement Item |
Trouble Area |
Output ECU |
|---|---|---|---|---|
|
X20D8 |
Zero Point Calibration of Steering Angle Sensor Not Acquired |
History of being unable to obtain the steering angle zero point |
|
No. 2 skid control ECU (brake actuator assembly) |
CAUTION / NOTICE / HINT
NOTICE:
- This vehicle control history (RoB) may be output during situations when the steering sensor zero point calibration temporarily cannot be acquired, such as when the stop light is stuck ON.
-
After replacing or reinstalling the yaw rate and acceleration sensor (airbag ECU assembly), perform "Calibration" after performing "Reset Memory".
Click here
![2022 - 2024 MY RAV4 RAV4 HV [12/2021 - ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): UTILITY](/t3Portal/stylegraphics/info.gif)
PROCEDURE
|
1. |
CHECK DTC (HEALTH CHECK) |
(a) Perform the Health Check using the GTS.
|
Result |
Proceed to |
|---|---|
|
DTCs are not output. |
A |
|
DTCs are output. |
B |
| B |
|
GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
|
2. |
CHECK AIRBAG ECU ASSEMBLY INSTALLATION |
(a) Turn the ignition switch off.
(b) Check that the yaw rate and acceleration sensor (airbag ECU assembly) has been installed properly.
Click here
OK:
The yaw rate and acceleration sensor (airbag ECU assembly) is tightened to the specified torque.
The yaw rate and acceleration sensor (airbag ECU assembly) is not installed in a tilted position.
| NG |
|
|
|
3. |
PERFORM ZERO POINT CALIBRATION OF STEERING SENSOR |
(a) Drive the vehicle straight ahead at 35 km/h (22 mph) or more for at least 5 seconds.
HINT:
When driving at a speed of 15 km/h or more for 1 second or more, the slip indicator light turns off.
|
|
4. |
CLEAR VEHICLE CONTROL HISTORY (RoB) |
(a) Using the GTS, clear the Vehicle Control History (RoB).
Chassis > Brake/EPB > Utility
|
Tester Display |
|---|
|
Vehicle Control History (RoB) |
|
|
5. |
CHECK VEHICLE CONTROL HISTORY (RoB) |
(a) Based on the Freeze Frame Data and interview with the customer, attempt to reproduce the conditions when the malfunction occurred.
(b) Using the GTS, check for Vehicle Control History (RoB).
Chassis > Brake/EPB > Utility
|
Tester Display |
|---|
|
Vehicle Control History (RoB) |
|
Result |
Proceed to |
|---|---|
|
X20D8 is not output. |
A |
|
X20D8 is output. |
B |
| A |
|
END |
| B |
|
REPLACE AIRBAG ECU ASSEMBLY
|
|
6. |
INSTALL AIRBAG ECU ASSEMBLY CORRECTLY |
Click here
| NEXT |
|
|
|