Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual: Yaw Rate Sensor / Multi-axis Acceleration Sensor Module "A" (C124000)
DESCRIPTION
If the identification ID of the yaw rate and acceleration sensor is different to that stored in the skid control ECU (brake actuator assembly), this DTC is stored.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C124000 | Yaw Rate Sensor / Multi-axis Acceleration Sensor Module "A" | The yaw rate and acceleration sensor identification information stored in the skid control ECU (brake actuator assembly) is not consistent with the yaw rate and acceleration sensor identification information sent via CAN communication continuously for 1 second or more. |
|
CAUTION / NOTICE / HINT
NOTICE:
-
After replacing the skid control ECU (brake actuator assembly), perform "Calibration".
Click here
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-
If the yaw rate and acceleration sensor was replaced or reinstalled, perform "Calibration".
Click here
PROCEDURE
| 1. | CHECK PART NUMBER (YAW RATE AND ACCELERATION SENSOR) |
(a) Check that the part number of the installed yaw rate and acceleration sensor is correct.
OK:
Yaw rate and acceleration sensor installed in the vehicle has the correct part number.
| NG | .gif) | REPLACE YAW RATE AND ACCELERATION SENSOR |
|
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| 2. | CLEAR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Operate the Techstream to clear the codes. Enter the following menus: Chassis / Brake/EPB / Trouble Codes.
Chassis > Brake/EPB > Clear DTCs(d) Press the DTC clear button.
(e) Turn the engine switch off.
|
| 3. | RECONFIRM DTC |
(a) Turn the engine switch on (IG).
(b) Read the DTCs following the prompts on the Techstream. Enter the following menus: Chassis / Brake/EPB / Trouble Codes.
Chassis > Brake/EPB > Trouble Codes(c) Check if the same DTC is output.
| Result | Proceed to |
|---|---|
| DTC C124000 is output. | A |
| DTC C124000 is not output. | B |
| A | | REPLACE BRAKE ACTUATOR ASSEMBLY |
| B | | USE SIMULATION METHOD TO CHECK |
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