Lexus IS250 · Service Manual BODY ELECTRICAL

ON-VEHICLE INSPECTION

Inspection


INSPECT FRONT NO. 1 SPEAKER

HINT:
Remove interior parts so that the front No. 1 speaker can be seen.

  1. Check the speaker installation.

    OK:
    The speaker is securely installed.

    If the result is not as specified, reinstall the front No. 1 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 front No. 1 speaker.

  1. Speaker resistance check

    1. Disconnect the front No. 1 speaker connector.

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

      Standard resistance:
      Without Front Center Speaker:
      Approximately 4 Ω
      With Front Center Speaker:
      6 to 10 Ω

      If the result is not as specified, replace the front No. 1 speaker.


INSPECT FRONT NO. 2 SPEAKER

HINT:
Remove interior parts so that the front No. 2 speaker can be seen.

  1. Check the speaker installation.

    OK:
    The speaker is securely installed.

    If the result is not as specified, reinstall the front No. 2 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 front No. 2 speaker.


INSPECT FRONT NO. 3 SPEAKER

HINT:
Remove interior parts so that the front No. 3 speaker can be seen.

  1. Check the speaker installation.

    OK:
    The speaker is securely installed.

    If the result is not as specified, reinstall the front No. 3 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 front No. 3 speaker.

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