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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Suspension System (Rear) - Service Information >> REAR UPPER ARM (for Gasoline Model) >> Removal [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 upper control arm assembly removal/installation 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
  • Perform reset memory
  • Perform "Calibration"
  • DTCs are stored
  • ABS warning light illuminates
  • Slip indicator light illuminates
  • Electronically controlled brake system does not operate correctly
Refer to UTILITY [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 [11/2023 - ]
w/ AFS: 
  1. Perform headlight ECU sub-assembly LH initialization
Lighting System (EXT) (w/ AFS) Refer to INITIALIZATION [11/2023 - ]
Rear height control sensor sub-assembly LH* Perform headlight ECU sub-assembly LH initialization Lighting System (EXT) (w/ AFS) Refer to INITIALIZATION [11/2023 - ]
Gas leak from exhaust system is repaired Perform Inspection After Repair
  • Poor idle, etc.
  • Engine start function, etc.
Refer to INITIALIZATION [10/2022 - ]

*: Even when not replacing the part, it is necessary to perform the specified necessary procedures after installation.

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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