Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Yaw Rate Sensor Circuit Intermittent (C00631F,C006396,C05201F,C052096,C11781F,C117896)

Toyota Corolla Cross (2022-2024) Service Manual / Brake / Brake Control / Dynamic Control Systems / Electronically Controlled Brake System (for Hev Model) / Yaw Rate Sensor Circuit Intermittent (C00631F,C006396,C05201F,C052096,C11781F,C117896)

DESCRIPTION

The airbag ECU 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 a malfunction signal from the yaw rate and acceleration sensor (airbag ECU assembly).

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

DTC Output from

Note

C00631F

Yaw Rate Sensor Circuit Intermittent

When the voltage at terminal +BS is between 9.6 and 16.5 V, data malfunction signal is received from the yaw rate sensor (airbag ECU assembly) for 1 second or more.

Yaw rate sensor (airbag ECU assembly)

Does not come on

Brake/EPB

Output ECU: Skid control ECU (brake actuator assembly)

C006396

Yaw Rate Sensor Component Internal Failure

With the +BS terminal voltage between 9.6 and 16.5 V, a yaw rate sensor internal malfunction signal is received from the yaw rate sensor (airbag ECU assembly).

Yaw rate sensor (airbag ECU assembly)

Does not come on

Brake/EPB

Output ECU: Skid control ECU (brake actuator assembly)

C05201F

Multi-axis Acceleration Sensor Module "A" Circuit Intermittent

When the voltage at terminal +BS is between 9.6 and 16.5 V, data malfunction signal is received from the acceleration sensor (airbag ECU assembly) for 10 seconds or more.

Acceleration sensor (airbag ECU assembly)

Comes on

Brake/EPB
  • SAE Code: C051E (Case 1)
  • Output ECU: Skid control ECU (brake actuator assembly)

C052096

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

With the +BS terminal voltage between 9.6 and 16.5 V, an acceleration sensor internal malfunction signal is received from the acceleration sensor (airbag ECU assembly).

Acceleration sensor (airbag ECU assembly)

Comes on

Brake/EPB
  • SAE Code: C0520 (Case 1)
  • Output ECU: Skid control ECU (brake actuator assembly)

C11781F

Multi-axis Acceleration Sensor Module "A" Circuit Intermittent

When the voltage at terminal +BS is between 9.6 and 16.5 V, data malfunction signal is received from the acceleration sensor (airbag ECU assembly) for 10 seconds or more.

Acceleration sensor (airbag ECU assembly)

Does not come on

Brake/EPB

Output ECU: Skid control ECU (brake actuator assembly)

C117896

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

With the +BS terminal voltage between 9.6 and 16.5 V, an acceleration sensor internal malfunction signal is received from the acceleration sensor (airbag ECU assembly).

Acceleration sensor (airbag ECU assembly)

Does not come on

Brake/EPB

Output ECU: Skid control ECU (brake actuator assembly)

MONITOR DESCRIPTION

When the power supply voltage of the skid control ECU (brake actuator assembly) is a certain value or more, CAN communication of the yaw rate and acceleration sensor (airbag ECU assembly) is valid, and a malfunction signal is received from the acceleration sensor (airbag ECU assembly), the skid control ECU (brake actuator assembly) illuminates the MIL and stores this DTC.

MONITOR STRATEGY

Related DTCs

C051E (Case 1): AXS internal failure (GS4S)

C0520 (Case 1): Longitudinal acceleration sensor internal failure (GS1S)

Required Sensors/Components(Main)

Skid control ECU (brake actuator assembly)

Required Sensors/Components(Related)

Skid control ECU (brake actuator assembly)

Frequency of Operation

Continuous

Duration

10.1 seconds: C051E (Case 1)

0.1 seconds: C0520 (Case 1)

MIL Operation

2 driving cycles

Sequence of Operation

None

TYPICAL ENABLING CONDITIONS

Monitor runs whenever the following DTCs are not stored

TMC's intellectual property

Other conditions belong to TMC's intellectual property

-

TYPICAL MALFUNCTION THRESHOLDS

TMC's intellectual property

-

COMPONENT OPERATING RANGE

TMC's intellectual property

-

CONFIRMATION DRIVING PATTERN

NOTICE:

When performing the normal judgment procedure, make sure that the driver door is closed and is not opened at any time during the procedure.

HINT:

  • After repair has been completed, clear the DTC and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.
  • When clearing the permanent DTCs, refer to the "CLEAR PERMANENT DTC" procedure.
  1. Connect the GTS to the DLC3.
  2. Turn the ignition switch to ON and turn the GTS on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the ignition switch off.
  5. Turn the ignition switch to ON (READY) and turn the GTS on.
  6. Wait for 10 seconds or more. [*]

    HINT:

    [*]: Normal judgment procedure.

    The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.

  7. Enter the following menus: Chassis / Brake/EPB* / Utility / All Readiness.

    *: Electric Parking Brake System

  8. Check the DTC judgment result.

    HINT:

    • If the judgment result shows NORMAL, the system is normal.
    • If the judgment result shows ABNORMAL, the system has a malfunction.
    • If the judgment result shows INCOMPLETE, perform driving pattern again.

PROCEDURE

1.

REPLACE AIRBAG ECU ASSEMBLY

Click here

NEXT

END

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