Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual: Yaw Rate Sensor Circuit Intermittent (C00631F,C05201F)

DESCRIPTION

for Optitron Meter Type:
  • 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.

for TFT Meter Type:
  • 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.

  • Yaw rate sensor (airbag sensor assembly) (for Optitron Meter Type)
  • Yaw rate sensor (yaw rate and acceleration sensor) (for TFT Meter Type)

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.

  • Acceleration sensor (airbag sensor assembly) (for Optitron Meter Type)
  • Acceleration sensor (yaw rate and acceleration sensor) (for TFT Meter Type)

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

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.

NEXT

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

USE SIMULATION METHOD TO CHECK

B

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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