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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Control System (A25A-FXS) - Diagnostics - Introduction (1 Of 6)) >> SFI System >> Precaution [10/2022 - 11/2023] >> Precaution [10/2022 - 11/2023]

Precaution [10/2022 - 11/2023]

WARNING: This page is about a different variant/trim than selected.
  1. WHEN USING GTS 
    WARNING:

    Observe the following items for safety reasons:

    • Before using the GTS, read the instruction Service Information.
    • Prevent the GTS cable from being caught on the pedals, shift lever or steering wheel when driving with the GTS connected to the vehicle.
    • When driving the vehicle for testing purposes using the GTS, 2 persons are required. One to drive the vehicle, and another to operate the GTS.
  2. INITIALIZATION 
    NOTE:
    • Perform Registration (VIN registration) after replacing the ECM.

      Refer to REGISTRATION [12/2019 - ] 

    • Perform Learning Value Reset and Idle Learning after replacing or servicing parts related to engine operation.

      Refer to INITIALIZATION [10/2021 - ] 

    • Perform "Grill Shutter Control Mode Switching and Grill Shutter Initialization" after replacing the swing grille actuator assembly or radiator shutter sub-assembly.

      Refer to INITIALIZATION [10/2021 - ] 

    • When the cable is disconnected from the negative (-) auxiliary battery terminal, initialize the following system(s) after the cable is reconnected.
      System Name See Procedure
      Lane Control System Refer to INITIALIZATION [10/2022 - 11/2023]
      Parking Support Brake System
      Pre-collision System
      Lighting System (EXT) (w/ AFS)
      Power Door Lock Control System
      Power Back Door System
  3. PRECAUTIONS FOR INSPECTING HYBRID CONTROL SYSTEM 
    1. Refer to Hybrid Control System.

      for AWD: Refer to PRECAUTION [10/2022 - 11/2023]

      for 2WD: Refer to PRECAUTION [10/2022 - 11/2023]

  4. NOTICE FOR HYBRID CONTROL SYSTEM ACTIVATION 
    1. Refer to Hybrid Control System.

      for AWD: Refer to PRECAUTION [10/2022 - 11/2023]

      for 2WD: Refer to PRECAUTION [10/2022 - 11/2023]