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Noise Occurs from Generator while Engine is Running [12/2015 - 08/2016]: Procedure

WARNING: This page is about a different car, the 2016 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK LOOSENESS OF V-RIBBED BELT 
    1. Check the tension of the belt by pushing it down with a finger.

      OK

      The tension of the belt is enough.

    Result: 

    NG 

    REPLACE V-RIBBED BELT TENSIONER ASSEMBLY 

    (Refer to COMPONENTS [12/2015 - 08/2016] )

    Result: 

    OK 

    See step  2

  2. CHECK V-RIBBED BELT FOR WEAR 
    1. Check the V-ribbed belt for wear.

      OK

      The V-ribbed belt is not worn.

    Result: 

    NG 

    REPLACE V-RIBBED BELT 

    (Refer to COMPONENTS [12/2015 - 08/2016] )

    Result: 

    OK 

    See step  3

  3. CHECK GENERATOR CLUTCH PULLEY FOR WEAR 
    1. Check the generator clutch pulley grooves for wear or other defects.

      OK

      The generator clutch pulley grooves are not damaged.

    Result: 

    NG 

    REPLACE GENERATOR CLUTCH PULLEY 

    (Refer to COMPONENTS [12/2015 - 08/2016] )

    Result: 

    OK 

    See step  4

  4. CHECK FOR NOISE WHILE GENERATOR CLUTCH PULLEY IS OPERATING 
    1. Perform a driving test and check if noise occurs when decelerating.

      OK

      Noise does not occur.

    Result: 

    OK 

    REPLACE GENERATOR ASSEMBLY 

    (Refer to COMPONENTS [12/2015 - 08/2016] )

    Result: 

    NG 

    REPLACE GENERATOR CLUTCH PULLEY 

    (Refer to COMPONENTS [12/2015 - 08/2016] )