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 STEREO COMPONENT SPEAKER

HINT:

Remove interior parts so that the stereo component speaker can be seen.

Check the speaker installation.
OK

The speaker is securely installed.

If the result is not as specified, reinstall the stereo component speaker.
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.

Speaker resistance check

Fig 1: Speaker Connector Terminal Identification

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Disconnect the rear speaker connector.

Measure the resistance between the terminals of the speaker.

NOTE:

The speaker should not be removed for checking.

Standard resistance

With Front Center Speaker

Without Front Center Speaker

Tester connection	Condition	Specified condition
3 - 4	Always	7 to 8.6 Ω

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.
2. 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.