Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Yaw Rate Sensor Signal Stuck In Range (C00632A,C05201C,C05202A,C052096)

Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual / Brake / Brake Control / Dynamic Control Systems / Vehicle Stability Control System / Yaw Rate Sensor Signal Stuck In Range (C00632A,C05201C,C05202A,C052096)

DESCRIPTION

for Optitron Meter Type:
  • The airbag sensor assembly has a built-in yaw rate and acceleration sensor and detects the vehicle condition.

    These DTCs are stored when the skid control ECU (brake actuator assembly) receives an internal malfunction signal from the yaw rate and acceleration sensor (airbag sensor assembly).

    The skid control ECU (brake actuator assembly) receives signals from the yaw rate and acceleration sensor (airbag sensor assembly) via CAN communication.

    HINT:

    If there is a malfunction in the bus lines between the yaw rate and acceleration sensor (airbag sensor assembly) and the CAN communication system, DTCs U012587 are output. When DTCs U012587 are output together with C00632A, C05201C, C05202A and/or C052096, inspect and repair the trouble areas indicated by U012587 first.

    DTCs may be stored if either of the following occurs:

    • Yaw rate and acceleration sensor (airbag sensor assembly) installation abnormality.
    • Yaw rate and acceleration sensor (airbag sensor assembly) signal malfunction.
for TFT Meter Type:
  • These DTCs are stored when the skid control ECU (brake actuator assembly) receives an internal malfunction signal from the yaw rate and acceleration sensor.

    The skid control ECU (brake actuator assembly) receives signals from the yaw rate and acceleration sensor via CAN communication.

    HINT:

    If there is a malfunction in the bus lines between the yaw rate and acceleration sensor and the CAN communication system, DTCs U012587 are output. When DTCs U012587 are output together with C00632A, C05201C, C05202A and/or C052096, inspect and repair the trouble areas indicated by U012587 first.

    DTCs may be stored if either of the following occurs:

    • Yaw rate and acceleration sensor installation abnormality.
    • Yaw rate and acceleration sensor signal malfunction.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C00632A

Yaw Rate Sensor Signal Stuck In Range

A yaw rate sensor stuck malfunction status continues.

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

C05201C

Multi-axis Acceleration Sensor Module "A" Circuit Voltage Out of Range

At a vehicle speed of 30 km/h (19 mph) or more, the difference between the forward and backward G calculated from the acceleration sensor value and that calculated from the vehicle speed sensor exceeds 0.35 G for 60 seconds or more.

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

C05202A

Multi-axis Acceleration Sensor Module "A" Signal Stuck In Range

Any of the following is detected:

  • The acceleration sensor output value does not change 16 times or more as the vehicle speed drops from 30 km/h (19 mph) to 0 km/h (0 mph).
  • A GL1 stuck malfunction status continues.
  • A GL2 stuck malfunction status continues.
  • Acceleration sensor (airbag sensor assembly) installation (for Optitron Meter Type)
  • Acceleration sensor (yaw rate and acceleration sensor) installation (for TFT Meter Type)
  • Acceleration sensor (airbag sensor assembly) (for Optitron Meter Type)
  • Acceleration sensor (yaw rate and acceleration sensor) (for TFT Meter Type)

C052096

Multi-axis Acceleration Sensor Module "A" Component Internal Failure

Either of the following is detected:

  • A data malfunction signal is received from the acceleration sensor.
  • Output values of GL1 and GL2 (front and rear, left and right) are outside permitted output range for 60 seconds or more.
  • Acceleration sensor (airbag sensor assembly) installation (for Optitron Meter Type)
  • Acceleration sensor (yaw rate and acceleration sensor) installation (for TFT Meter Type)
  • Acceleration sensor (airbag sensor assembly) (for Optitron Meter Type)
  • Acceleration sensor (yaw rate and acceleration sensor) (for TFT Meter Type)
DTC Detection Conditions: C05202A
 

Vehicle Condition

Pattern 1

Pattern 2

Pattern 3

Diagnosis Condition

Vehicle speed drops from 30 km/h (19 mph) to 0 km/h (0 mph)

-

-

Malfunction Status

The acceleration sensor output value does not change 16 times

-

-

A GL1 stuck malfunction status continues

-

-

A GL2 stuck malfunction status continues

-

-

Detection Time

-

-

-

Number of Trips

1 trip

1 trip

1 trip

HINT:

DTC will be output when conditions for any of the patterns in the table above are met.

DTC Detection Conditions: C052096
 

Vehicle Condition

Pattern 1

Pattern 2

Diagnosis Condition

-

-

-

Malfunction Status

A data malfunction signal is received from the acceleration sensor

-

Output values of GL1 and GL2 (front and rear, left and right) are outside permitted output range

-

Detection Time

-

60 seconds or more

Number of Trips

1 trip

1 trip

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.

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.

CHECK VEHICLE SPECIFICATION

(a) Check the combination meter assembly.

Click here

Result

Proceed to

for Optitron Meter Type

A

for TFT Meter Type

B

B

GO TO STEP 3

A

2.

CHECK AIRBAG SENSOR ASSEMBLY INSTALLATION

(a) Check that the yaw rate and acceleration sensor (airbag sensor assembly) has been installed properly.

Click here

OK:

The yaw rate and acceleration sensor (airbag sensor assembly) is tightened to the specified torque.

The yaw rate and acceleration sensor (airbag sensor assembly) is not installed in a tilted position.

OK

REPLACE AIRBAG SENSOR ASSEMBLY

NG

INSTALL AIRBAG SENSOR ASSEMBLY CORRECTLY

3.

CHECK YAW RATE AND ACCELERATION SENSOR INSTALLATION

(a) Check that the yaw rate and acceleration sensor has been installed properly.

Click here

OK:

The yaw rate and acceleration sensor is tightened to the specified torque.

The yaw rate and acceleration sensor is not installed in a tilted position.

OK

REPLACE YAW RATE AND ACCELERATION SENSOR

NG

INSTALL YAW RATE AND ACCELERATION SENSOR CORRECTLY

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