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Inspection [08/2013 - ]

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY (for 8 Speakers) 
    1. With the speaker installed, check that there is no looseness or other abnormalities.
    2. Check that there is no foreign matter in the speaker, no tears on the speaker cone or other abnormalities.
    3. Measure the resistance of the speaker.
      Fig 1: Identifying Speaker Connector Terminals
      GTY317116Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 - 2 Always 3.2 to 4.8 Ω

      If the result is not as specified, replace the speaker.

      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Front No. 2 Speaker Assembly)
  2. INSPECT FRONT NO. 3 SPEAKER ASSEMBLY (for 8 Speakers) 
    1. With the speaker installed, check that there is no looseness or other abnormalities.
    2. Check that there is no foreign matter in the speaker, no tears on the speaker cone or other abnormalities.
    3. Measure the resistance of the speaker.
      Fig 2: Identifying Front No. 1 Speaker Assembly Connector
      GTY359251Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 - 2 Always 3.2 to 4.8 Ω

      If the result is not as specified, replace the speaker.

      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Front No. 3 Speaker Assembly)
  3. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY (for 15 Speakers) 
    1. When there is a possibility that either the right or left speaker is malfunctioning, interchange the speakers and perform an inspection. If the malfunction disappears after interchanging the speakers, replace the malfunctioning speaker.

      HINT: 

      Connect all connectors to the speakers when performing an inspection. If the result is not as specified, replace the speaker.

  4. INSPECT FRONT NO. 3 SPEAKER ASSEMBLY (for 15 Speakers) 
    1. Check that the malfunction disappears when a known good speaker is installed. Refer to REMOVAL [08/2013 - ] .

      OK

      Malfunction disappears.

      HINT: 

      Connect all the connectors to the rear No. 2 speaker assemblies that were disconnected.

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