Lexus IS250 · Service Manual BODY ELECTRICAL

ON-VEHICLE INSPECTION

Inspection


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.

  1. E120044
    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.


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.

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