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Home >> Lexus >> 2025 >> NX 350h >> Repair and Diagnosis >> External Pages >> Different car >> Section 96 (Electronically Controlled Brake System - Diagnostic Codes (3 Of 3), Symptom Tests & Circuit Tests) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model) >> RL Speed Sensor Wrong Installation (X0453) [11/2021 - ] >> Procedure

RL Speed Sensor Wrong Installation (X0453) [11/2021 - ]: Procedure

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  1. CHECK FOR DTCs (HEALTH CHECK) 
    1. Perform the Health Check using the GTS.

      Result

      Result Proceed to
      DTCs are not output A
      DTCs are output B

    Result: 

    GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer To  DIAGNOSTIC TROUBLE CODE CHART [11/2021 - ] 

    Result: 

    See step  2

  2. CHECK PART NUMBER (REAR SPEED SENSOR LH) 
    1. Check that the rear speed sensor LH is installed.

      OK

      Proper rear speed sensor LH is installed.

      NOTE:

      If it is necessary to remove components in order to check the rear speed sensor LH, follow the relevant installation and removal procedures and precautions for those components.

      HINT: 

      The rear speed sensor LH (for 2WD) and rear speed sensor rotor LH are incorporated into the rear axle hub and bearing assembly LH.

      If the rear speed sensor LH (for 2WD) and rear speed sensor rotor LH need to be replaced, replace the rear axle hub and bearing assembly LH.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE REAR SPEED SENSOR LH 

    for 2WD: Refer to REMOVAL [11/2021 - 03/2024] , or refer to REMOVAL [03/2024 - ]

    for AWD: Refer to REMOVAL [11/2021 - 03/2024] , or refer to REMOVAL [03/2024 - ]

    Result: 

    OK 

    See step  3

  3. CLEAR VEHICLE CONTROL HISTORY (RoB) 
    1. Using the GTS, clear the Vehicle Control History (RoB).

      Chassis > Brake/EPB > Utility 

      Tester Display
      Vehicle Control History (RoB)

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  4

  4. CHECK VEHICLE CONTROL HISTORY (RoB) 
    1. Using the GTS, check for Vehicle Control History (RoB).

      Chassis > Brake/EPB > Utility 

      Tester Display
      Vehicle Control History (RoB)

      HINT: 

      The rear speed sensor LH (for 2WD) and rear speed sensor rotor LH are incorporated into the rear axle hub and bearing assembly LH.

      If the rear speed sensor LH (for 2WD) and rear speed sensor rotor LH need to be replaced, replace the rear axle hub and bearing assembly LH.

      Result

      Result Proceed to
      X0453 is not output A
      X0453 is output B

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - ] 

    Result: 

    REPLACE REAR SPEED SENSOR LH 

    for 2WD: Refer to REMOVAL [11/2021 - 03/2024] , or refer to REMOVAL [03/2024 - ]

    for AWD: Refer to REMOVAL [11/2021 - 03/2024] , or refer to REMOVAL [03/2024 - ]