PROCEDURE
(a) Confirm the problem symptom.
(a) Check the V-ribbed belt for wear or damage. OK: The V-ribbed belt is not worn or damaged.
(a) 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.
(a) Start the engine and check the generator pulley with clutch for looseness. OK: The generator pulley with clutch is not loose.
(a) Remove the generator assembly. Click here
(b) Check the installation condition of the generator pulley cap. OK: The generator pulley cap is not loose or missing. (c) 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). (d) 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).
(f) 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. (g) Inspect generator pulley with clutch. Click here
(a) Perform a road test and check that noise does not occur when decelerating. OK: Noise does not occur. (b) Stop the engine and check that generator pulley with clutch noise does not occur as the engine stops. OK: Noise does not occur.
(a) Inspect generator pulley with clutch. Click here
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Seat Heater System(for Hv Model): Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the following table, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. HINT: Using the Techstream to read the Data List allows the values or state ...
