Toyota RAV4 manuals

Toyota Sienna Service Manual: Noise Occurs

INSPECTION PROCEDURE

1 NOISE CONDITION

  1. Check in which direction the noise comes from (front left or right, or rear left or right).
  1.  Check in which direction the noise comes from.

OK: The location of the noise source can be determined

2 CHECK SPEAKERS

  1. Check the installation conditions of the speaker units that are located near the noise source and that there are no cracks, scratches, deformation, or other failures.

Result

Result

3 CHECK NOISE CONDITIONS

  1. Check the noise condition.

HINT: The radio has a noise prevention function to reduce noise when listening to the radio. If a loud noise occurs, check whether the ground at the antenna mounting base and the noise prevention unit are installed and wired correctly.

CHECK NOISE CONDITIONS

CHECK NOISE CONDITIONS

HINT:

OK: The noise source can not be determined.

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

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Other materials:

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Reassembly
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