Lexus RX (RX 350L, RX450h) 2016-2025 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
.gif)
-
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 |
|
.gif)
| 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 |
Brake Master Cylinder Pressure Sensor Supply Voltage Circuit Short to Ground or Open (C122D14)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area C122D14 Brake Master Cylinder Pressure Sensor Supply Voltage Circuit Short to Ground or Open Master cylinder pr ...
ECM Communication (C124A00)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area C124A00 ECM Communication Any of the following is detected:
The engine type, powertrain variation, engine st ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Smart Access System With Push-button Start (for Entry Function): New Key Registration Warning Message is not Displayed
DESCRIPTION If the new key registration warning message is not displayed after an electrical key transmitter sub-assembly has been registered, there may be communication problem between the certification ECU (smart key ECU assembly) and combination meter assembly (meter ECU). CAUTION / NOTICE / HINT ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Safety Connect System: Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) The DCM (telematics transceiver) control the vehicle safety connect system functions. Safety connect system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). In some cases, a malfunction may be occurring in the saf ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
- Pictorial index
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
0.0105