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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Axle And Differential - Service Information (2 Of 2) >> REAR DIFFERENTIAL CARRIER OIL SEAL (for Dynamic Torque Vectoring AWD) >> Replacement [10/2022 - 11/2023] >> Caution / Notice / Hint

Caution / Notice / Hint

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during rear differential carrier oil seal replacement are shown below.

NECESSARY PROCEDURES AFTER PARTS REMOVED/INSTALLED/REPLACED

Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link
Rear wheel alignment adjustment
  1. Perform "Reset Memory".
  2. Perform "Calibration".
  • VSC is disabled or malfunctions
  • DTCs are output
  • Slip indicator light illuminates
  • ABS warning light illuminates
Refer to UTILITY [12/2019 - 11/2023]
Suspension, tires, etc.
(The vehicle height changes because of suspension or tire replacement)
Rear television camera assembly optical axis (Back camera position setting) Parking Assist Monitor System Refer to CALIBRATION [10/2022 - ]
Parking assist ECU initialization Panoramic View Monitor System Refer to CALIBRATION [10/2022 - 11/2023]
Perform headlight ECU sub-assembly LH initialization Lighting System (EXT) (w/ AFS) Refer to INITIALIZATION [12/2019 - 11/2023]
Gas leaks from exhaust system Perform Inspection After Repair
  • Poor idle, etc.
  • Engine start function, etc.
Refer to INITIALIZATION [10/2022 - ]
Torque vectoring differential carrier assembly
  • ECU data initialization
  • Disconnect system function check
Dynamic Torque Vectoring AWD System Refer to CALIBRATION [12/2019 - ]
WARNING:

To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.

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