LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2021 >> RAV4 LE, AWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (W/ Vacuum Brake Booster) - Diagnostic Codes (2 Of 3) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/ Vacuum Brake Booster) >> DTC C050C-1F: Left Rear Wheel Speed Sensor Circuit Intermittent; DTC C0512-1F: Right Rear Wheel Speed Sensor Circuit Intermittent [11/2018 - ] >> Procedure

DTC C050C-1F: Left Rear Wheel Speed Sensor Circuit Intermittent; DTC C0512-1F: Right Rear Wheel Speed Sensor Circuit Intermittent [11/2018 - ]: Procedure

  1. CHECK VEHICLE 
    1. Check the vehicle specification.

      Result

      Result Proceed to
      for 2WD A
      for AWD B

    Result: 

    B 

    See step  3

    Result: 

    A 

    See step  2

  2. REPLACE REAR AXLE HUB AND BEARING ASSEMBLY 
    1. Replace the rear axle hub and bearing assembly.

      Refer to REMOVAL [11/2018 - 02/2019] , or refer to REMOVAL [02/2019 - 10/2019] , or refer to REMOVAL [10/2019 - 08/2020] , or refer to REMOVAL [08/2020 - 12/2021] , or refer to REMOVAL [12/2021 - 10/2022] , or refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    END 

  3. CHECK REAR SPEED SENSOR (CHECK FOR FOREIGN MATTER) 
    1. Remove the rear speed sensor.

      Refer to REMOVAL [11/2018 - ]

    2. Check the rear speed sensor.

      OK

      The rear speed sensor tip is free of oil and foreign matter.

      HINT: 

      If foreign matter of 1 mm (0.03937 in.) x 1 mm (0.03937 in.) or more is adhered to the rear speed sensor rotor, this DTC may be stored.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  9

    Result: 

    OK 

    See step  4

  4. CHECK REAR SPEED SENSOR ROTOR (CHECK FOR FOREIGN MATTER) 
    1. Remove the component with the rear speed sensor rotor.

      Refer to REMOVAL [11/2018 - 02/2019] , or refer to REMOVAL [02/2019 - 10/2019] , or refer to REMOVAL [10/2019 - 08/2020] , or refer to REMOVAL [08/2020 - 12/2021] , or refer to REMOVAL [12/2021 - 10/2022] , or refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

    2. Check the rear speed sensor rotor.

      OK

      The rear speed sensor rotor is free of oil and foreign matter.

      HINT: 

      If foreign matter of 1 mm (0.03937 in.) x 1 mm (0.03937 in.) or more is adhered to the rear speed sensor rotor, this DTC may be stored.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE REAR SPEED SENSOR AND REAR AXLE HUB AND BEARING ASSEMBLY 

    for rear speed sensor: Refer to REMOVAL [11/2018 - ]

    for rear speed sensor rotor (rear axle hub and bearing assembly): Refer to REMOVAL [11/2018 - 02/2019] , or refer to REMOVAL [02/2019 - 10/2019] , or refer to REMOVAL [10/2019 - 08/2020] , or refer to REMOVAL [08/2020 - 12/2021] , or refer to REMOVAL [12/2021 - 10/2022] , or refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

    Result: 

    NG 

    See step  5

  5. CLEAN REAR SPEED SENSOR ROTOR 
    1. Clean the rear speed sensor rotor.
      NOTE:

      Do not use parts cleaner when cleaning the rear speed sensor rotor.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  6

  6. CLEAR DTC 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Operate the Techstream to clear the codes. Enter the following menus: Chassis / Brake/EPB / Trouble Codes.

      Chassis > Brake/EPB > Clear DTCs 

    4. Press the DTC clear button.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  7

  7. PERFORM DEALER MODE (SIGNAL CHECK) INSPECTION (SPEED SENSOR CHECK) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Using the Techstream, perform a Dealer Mode (Signal Check) inspection sensor check and check that speed sensor Dealer Mode (Signal Check) inspection items change from incomplete to complete. Enter the following menus: Chassis / Brake/EPB / Utility / Signal Check.

      Refer to TEST MODE PROCEDURE [11/2018 - ]

      Chassis > Brake/EPB > Utility 

      Tester Display
      Signal Check

      OK

      Speed sensor Dealer Mode (Signal Check) inspection items change from incomplete to complete.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE REAR SPEED SENSOR AND REAR AXLE HUB AND BEARING ASSEMBLY 

    for rear speed sensor: Refer to REMOVAL [11/2018 - ]

    for rear speed sensor rotor (rear axle hub and bearing assembly): Refer to REMOVAL [11/2018 - 02/2019] , or refer to REMOVAL [02/2019 - 10/2019] , or refer to REMOVAL [10/2019 - 08/2020] , or refer to REMOVAL [08/2020 - 12/2021] , or refer to REMOVAL [12/2021 - 10/2022] , or refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

    Result: 

    OK 

    See step  8

  8. RECONFIRM DTC 
    1. Connect the Techstream to the DLC3.
    2. Start the engine.
    3. Perform a road test under the same malfunction conditions recreated based on the Freeze Frame Data or customer problem analysis.
    4. Read the DTCs following the prompts on the Techstream. Enter the following menus: Chassis / Brake/EPB / Trouble Codes.

      Chassis > Brake/EPB > Trouble Codes 

    5. Check if the same DTC is output.

      Result

      Result Proceed to
      C050C-1F and C0512-1F is not output A
      C050C-1F and/or C0512-1F is output B

    Result: 

    A 

    END 

    Result: 

    B 

    REPLACE REAR SPEED SENSOR AND REAR AXLE HUB AND BEARING ASSEMBLY 

    for rear speed sensor: Refer to REMOVAL [11/2018 - ]

    for rear speed sensor rotor (rear axle hub and bearing assembly): Refer to REMOVAL [11/2018 - 02/2019] , or refer to REMOVAL [02/2019 - 10/2019] , or refer to REMOVAL [10/2019 - 08/2020] , or refer to REMOVAL [08/2020 - 12/2021] , or refer to REMOVAL [12/2021 - 10/2022] , or refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

  9. CLEAN REAR SPEED SENSOR 
    1. Clean the rear speed sensor.
      NOTE:

      When cleaning the rear speed sensor, make sure to clean the installation hole before installation.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  10

  10. CLEAR DTC 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Operate the Techstream to clear the codes. Enter the following menus: Chassis / Brake/EPB / Trouble Codes.

      Chassis > Brake/EPB > Clear DTCs 

    4. Press the DTC clear button.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  11

  11. PERFORM DEALER MODE (SIGNAL CHECK) INSPECTION (SPEED SENSOR CHECK) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Using the Techstream, perform a Dealer Mode (Signal Check) inspection sensor check and check that speed sensor Dealer Mode (Signal Check) inspection items change from incomplete to complete. Enter the following menus: Chassis / Brake/EPB / Utility / Signal Check.

      Refer to TEST MODE PROCEDURE [11/2018 - ]

      Chassis > Brake/EPB > Utility 

      Tester Display
      Signal Check

      OK

      Speed sensor Dealer Mode (Signal Check) inspection items change from incomplete to complete.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  4

    Result: 

    OK 

    See step  12

  12. RECONFIRM DTC 
    1. Connect the Techstream to the DLC3.
    2. Start the engine.
    3. Perform a road test under the same malfunction conditions recreated based on the Freeze Frame Data or customer problem analysis.
    4. Read the DTCs following the prompts on the Techstream. Enter the following menus: Chassis / Brake/EPB / Trouble Codes.

      Chassis > Brake/EPB > Trouble Codes 

    5. Check if the same DTC is output.

      Result

      Result Proceed to
      C050C-1F and C0512-1F is not output A
      C050C-1F and/or C0512-1F is output B

    Result: 

    A 

    END 

    Result: 

    B 

    See step  4

scientia non olet · About LEMON Manuals