Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001D2M0
Model Year Start: 2019 Model: GR Corolla Prod Date Range: [06/2018 - 09/2022]
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System): C050C1F; Left Rear Wheel Speed Sensor Circuit Intermittent; 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]

DTC

C050C1F

Left Rear Wheel Speed Sensor Circuit Intermittent

DESCRIPTION

Refer to DTC C050C12

Click here 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System): C050C12; Left Rear Wheel Speed Sensor Circuit Short to Battery

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C050C1F

Left Rear Wheel Speed Sensor Circuit Intermittent

  • The speed sensor signal is excessively noisy.
  • The calculated change in wheel speed is more than 980 m/s2 for 5*1 or 20*2 seconds or more.
  • The calculated change in wheel speed fluctuates between more than 500 m/s2 and less than -500 m/s2 for 5*1 or 20*2 seconds or more.
  • When the vehicle speed is low, excessive noise in the speed sensor pulse signal is detected 3 times or more within 0.005 seconds for 5*1 or 20*2 seconds or more.
  • Rear speed sensor LH (rear axle hub and bearing assembly LH)
  • Rear speed sensor rotor LH (rear axle hub and bearing assembly LH)
  • *1: The stop light switch assembly is OFF.
  • *2: The stop light switch assembly is ON.

DTC Detection Conditions: C050C1F

 

Vehicle Condition

Pattern 1

Pattern 2

Pattern 3

Pattern 4

Diagnosis Condition

The Stop light switch assembly is OFF.

-

Malfunction Status

The speed sensor signal is excessively noisy.

-

-

-

The calculated change in wheel speed is more than 980 m/s2.

-

-

-

The calculated change in wheel speed fluctuates between more than 500 m/s2 and less than -500 m/s2.

-

-

-

The vehicle speed is low, excessive noise in the speed sensor pulse signal is detected 3 times or more within 0.005 seconds.

-

-

-

Detection Time

-

5 seconds or more.

5 seconds or more.

5 seconds or more.

Number of Trips

1 trip

1 trip

1 trip

1 trip

HINT:

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

DTC Detection Conditions: C050C1F

 

Vehicle Condition

Pattern 5

Pattern 6

Pattern 7

Diagnosis Condition

The stop light switch assembly is ON.

Malfunction Status

The calculated change in wheel speed is more than 980 m/s2.

-

-

The calculated change in wheel speed fluctuates between more than 500 m/s2 and less than -500 m/s2.

-

-

The vehicle speed is low, excessive noise in the speed sensor pulse signal is detected 3 times or more within 0.005 seconds.

-

-

Detection Time

20 seconds or more.

20 seconds or more.

20 seconds or more.

Number of Trips

1 trip

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:

  • After replacing or removing and installing a speed sensor, perform Dealer Mode (Signal Check) inspection to confirm that the speed sensors are operating correctly.

    Click here 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System): TEST MODE PROCEDURE

  • After replacing or removing and installing a speed sensor rotor, perform Dealer Mode (Signal Check) inspection to confirm that the speed sensors are operating correctly.

    Click here 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System): TEST MODE PROCEDURE

  • DTC precaution

    Click here 2019 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 01/2019]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System): PRECAUTION 2020 - 2022 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 09/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System): PRECAUTION

    Procedure to clear warning lights (When not clearing DTCs)

    Procedure

    1. Repair or replacement.
    2. Turn the engine switch on (IG).
    3. Drive the vehicle at 54 km/h (34 mph) or more for 3 seconds or more to clear the warning lights.

PROCEDURE

1.

REPLACE REAR AXLE HUB AND BEARING ASSEMBLY LH

(a) Replace the rear axle hub and bearing assembly LH.

Click here 2019 MY Corolla Corolla Hatchback Corolla HV [06/2018 - 01/2019]; AXLE AND DIFFERENTIAL: REAR AXLE HUB (for Double Wishbone Type Suspension 2WD with Electric Parking Brake): REMOVAL 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV [01/2019 - 09/2022]; AXLE AND DIFFERENTIAL: REAR AXLE HUB (for Double Wishbone Type Suspension 2WD with Electric Parking Brake): REMOVAL

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