On-Vehicle Inspection

WARNING: This page is about a different car, the 2009 Lexus IS 350 and 2009 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT FRONT STEREO COMPONENT SPEAKER
HINT:

Remove interior parts so that the front 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 front stereo component speaker.
2. Visually check the speaker.
  OK
  
  The cone paper of the speaker is not torn.
  
  If the result is not as specified, replace the front stereo component speaker.
3. Speaker resistance check
  1. Disconnect the front stereo component speaker connector.
  2. Measure the resistance between the terminals of the speaker.
    Standard resistance
    
    7 to 9 Ω
    
    If the result is not as specified, replace the front stereo component speaker.