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CHARGING SYSTEM Noise Occurs from V-ribbed Belt or Generator Assembly

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DTC Code DTC Name
  Noise Occurs from V-ribbed Belt or Generator Assembly
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PROCEDURE


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    CONFIRM PROBLEM SYMPTOM


    1. Confirm the problem symptom.

      Result
      Symptom Proceed to
      Noise occurs from fan and generator V belt A
      Noise occurs from generator assembly B

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    CHECK FAN AND GENERATOR V BELT FOR WEAR


    1. Check the fan and generator V belt for wear or damage.

      OK
      The fan and generator V belt are not worn or damaged.
      Result
      Result
      OK
      NG

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    CHECK GENERATOR PULLEY WITH CLUTCH FOR WEAR


    1. Check the grooves of the generator pulley with clutch for wear or damage.

      OK
      The grooves of the generator pulley with clutch are not worn or damaged.
      Result
      Result
      OK
      NG

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    CHECK FOR NOISE WHILE CLUTCH PULLEY IS OPERATING


    1. Start the engine and check the generator pulley with clutch for looseness.

      OK
      The generator pulley with clutch is not loose.
      Result
      Result
      OK
      NG

    • OKClick here
    • NG

      TIGHTEN GENERATOR PULLEY WITH CLUTCH TO SPECIFIED TORQUE

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    INSPECT GENERATOR PULLEY WITH CLUTCH (UNIT INSPECTION)


    1. Remove the generator assembly.


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

      OK
      The generator pulley cap is not loose or missing.

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

      OK
      There are no grease leaks (for wet type pulley) or a large amounts of particles (for dry 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. A01SHL1

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

      OK
      Noise does not occur when turned in both directions.

    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. A01SHDAC03
      *a Protective Tape

      Using a screwdriver with its tip wrapped with protective tape, hold the generator rotor assembly in the generator assembly and check that the generator pulley with clutch locks when turned clockwise and turns freely when turned counterclockwise.

      OK
      The generator pulley with clutch locks when turned clockwise and turns freely when turned counterclockwise.
      Result
      Result
      OK
      NG

    • OK

      INSPECT PULLEY OTHER THAN GENERATOR ASSEMBLY PULLEY

    • NG

      REPLACE GENERATOR PULLEY WITH CLUTCH


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    CHECK FOR NOISE WHEN ROTOR IS TURNING FREELY


    1. Perform a road test and check that noise does not occur when decelerating.

      OK
      Noise does not occur.

    2. Stop the engine and check that generator pulley with clutch noise does not occur as the engine stops.

      OK
      Noise does not occur.
      Result
      Result
      OK
      NG

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    CHECK ENGAGEMENT OF GENERATOR PULLEY WITH CLUTCH


    1. Remove the generator assembly.


    2. Using a screwdriver with its tip wrapped with protective tape, hold the generator rotor assembly in the generator assembly and check that the generator pulley with clutch locks when turned from counterclockwise (free turning direction) to clockwise (locking direction).

      OK
      The generator pulley with clutch locks.
      Result
      Result
      OK
      NG