Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Yaw Rate Sensor Circuit Intermittent (C00631F,C05201F)
DESCRIPTION
-
The airbag sensor assembly has a built-in yaw rate and acceleration sensor and detects the vehicle condition.
The skid control ECU (brake actuator assembly) receives signals from the yaw rate and acceleration sensor (airbag sensor assembly) via CAN communication.
- The skid control ECU (brake actuator assembly) receives signals from the yaw rate and acceleration sensor via CAN communication.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C00631F | Yaw Rate Sensor Circuit Intermittent | When voltage at terminal +BS is 9.5 to 17.4 V, sensor invalid information received from yaw rate sensor is ON continuously for 10 seconds or more. |
|
| C05201F | Multi-axis Acceleration Sensor Module "A" Circuit Intermittent | When voltage at terminal +BS is 9.5 to 17.4 V, sensor invalid information received from acceleration sensor is ON continuously for 10 seconds or more. |
|
CAUTION / NOTICE / HINT
NOTICE:
If the yaw rate and acceleration sensor (airbag sensor assembly) was replaced or reinstalled, perform "Calibration". (for Optitron Meter Type)
If the yaw rate and acceleration sensor was replaced or reinstalled, perform "Calibration". (for TFT Meter Type)
Click here .gif)
PROCEDURE
| 1. | 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.
|
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| 2. | RECONFIRM DTC |
(a) Start and idle the engine for 60 seconds, and then stop the engine.
(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 |
|---|---|
| DTCs C00631F and C05201F are not output. | A |
| DTCs C00631F and/or C05201F are output. | B |
| A | .gif) | USE SIMULATION METHOD TO CHECK |
|
| 3. | CHECK VEHICLE SPECIFICATION |
(a) Check the combination meter assembly.
Click here
| Result | Proceed to |
|---|---|
| for Optitron Meter Type | A |
| for TFT Meter Type | B |
| A | | REPLACE AIRBAG SENSOR ASSEMBLY |
| B | | REPLACE YAW RATE AND ACCELERATION SENSOR |
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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