1. Verify that sound is output from the rear speaker.

• If sound is output, go to the next step.
• If no sound is not output, inspect the rear speaker and the related wiring harnesses.

2. Remove the main amplifier. (See AUDIO AMPLIFIER REMOVAL/INSTALLATION.)

3. Verify that the continuity between the rear tweeter and the main amplifier is as indicated in the table.

• If not as indicated in the table, repair or replace the related wiring harnesses.
• If as indicated in the table, replace the rear tweeter.