Rear Center Speaker On-Vehicle Inspection

Body Electrical. Lexus Is250, Is220D. Gse20 Ale20
Audio Visual. Lexus Is250, Is220D. Gse20 Ale20

  1. INSPECT STEREO COMPONENT SPEAKER

  2. INSPECT REAR STEREO COMPONENT SPEAKER

Rear Center Speaker -- On-Vehicle Inspection



1. INSPECT STEREO COMPONENT SPEAKER
HINT:
Remove interior parts so that the stereo component speaker can be seen.

  1. Check the speaker installation.

    OK:
    The speaker is securely installed.
    If the result is not as specified, reinstall the stereo component speaker.

  1. Visually check the speaker.

    OK:
    The cone paper of the speaker is not torn.
    If the result is not as specified, replace the stereo component speaker.


    Lexus Is250, Is220D. Gse20 Ale20

  1. Speaker resistance check

    1. Disconnect the rear speaker connector.

    2. Measure the resistance between the terminals of the speaker.

      NOTICE:
      The speaker should not be removed for checking.

      Standard resistance:
      With Front Center Speaker:
      Tester connection
      		Condition
      		Specified condition
      3 - 4
      		Always
      		7 to 8.6 Ω
      Without Front Center Speaker:
      Tester connection
      		Condition
      		Specified condition
      1 - 3
      		Always
      		Approximately 2 Ω
      2 - 4
      		Always
      		Approximately 2 Ω
      If the result is not as specified, replace the stereo component speaker.


2. INSPECT REAR STEREO COMPONENT SPEAKER
HINT:
Remove interior parts so that the rear stereo component speaker can be seen.

  1. Check the speaker installation.

    OK:
    The speaker is securely installed.
    If the result is not as specified, reinstall the stereo component speaker.

  1. Visually check the speaker.

    OK:
    The cone paper of the speaker is not torn.
    If the result is not as specified, replace the rear stereo component speaker.