LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2020 >> Highlander L, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (Battery / Charging System (T24A-FTS) - Diagnostic Codes & Symptom Tests) >> Charging System >> Charging Failure [10/2022 - ] >> Procedure

Charging Failure [10/2022 - ]: Procedure

WARNING: This page is about a different car, the 2025 Toyota Highlander, 2024 Toyota Highlander, and 2023 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK GENERATOR PULLEY WITH CLUTCH (ON-VEHICLE INSPECTION) 
    1. Start the engine and visually check that the generator rotor assembly (fan) in the generator assembly is operating.

      OK

      The generator rotor assembly (fan) is operating.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE GENERATOR PULLEY WITH CLUTCH 

    Refer to PROCEDURE - Step 2

    Result: 

    OK 

    See step  2

  2. CHECK GENERATOR PULLEY WITH CLUTCH (UNIT INSPECTION) 
    1. Remove the generator assembly.

      Refer to REMOVAL [10/2022 - 11/2023] , or refer to REMOVAL [11/2023 - ]

    2. Check the installation condition of the generator pulley cap.

      OK

      The generator pulley cap is not loose or missing.

    3. Check for forming of particles due to friction (for dry type pulley) or grease leaks (for wet type pulley).

      OK

      There are no large amounts of particles (for dry type pulley) or grease leaks (for wet type pulley).

    4. Check the generator pulley with clutch for misalignment (interference with the generator assembly).

      OK

      The generator pulley with clutch is not misaligned (no interference with the generator assembly).

    5. Turn the generator pulley with clutch clockwise and counterclockwise by hand and check for noise.

      OK

      Noise does not occur when turned in either direction.

      GTY429641Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Turn the generator pulley with clutch clockwise and counterclockwise by hand and visually check for runout.

      OK

      The generator pulley with clutch does not have runout.

    7. Inspect the generator pulley with clutch.

      Refer to PROCEDURE - Step 2

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPAIR OR REPLACE GENERATOR ASSEMBLY 

    Refer to REMOVAL [10/2022 - 11/2023] , or refer to REMOVAL [11/2023 - ]

    Result: 

    NG 

    REPLACE GENERATOR PULLEY WITH CLUTCH 

    Refer to PROCEDURE - Step 2