Speakers Inoperative - One or More

SPEAKERS INOPERATIVE - ONE OR MORE

DIAGNOSTIC SYSTEM CHECK - VEHICLE
Always perform the Diagnostic System Check - Vehicle before proceeding with these diagnostic procedures. Refer to Diagnostic System Check - Vehicle. Testing and Inspection

ALL SEAT SPEAKERS INOPERATIVE

IMPORTANT: The following information lists the most probable cause of the concern to the least probable cause followed by the appropriate test for that condition. If the list leads to the replacement of a component, always inspect for a poor connection before proceeding with the replacement.

Seat speaker outputs from Amplifier shorted - Test the seat speaker outputs for a short to ground or to voltage.

LEFT AND RIGHT I/P SPEAKERS INOPERATIVE
Front speaker outputs from the Amplifier shorted - Test the Left and Right Front Speaker Output circuits for a short to ground or to voltage.

ALL SPEAKERS ON ONE CHANNEL INOPERATIVE ONLY ON DIGITAL RADIO

IMPORTANT: The following information lists the most probable cause of the concern to the least probable cause followed by the appropriate test for that condition. If the list leads to the replacement of a component, always inspect for a poor connection before proceeding with the replacement.

1. Right or left audio signal circuit open or shorted-Test all audio signal circuits for an open or short.
2. No audio output from the digital radio receiver-Replace the digital radio receiver.

ONE SPEAKER INOPERATIVE

IMPORTANT: The following information lists the most probable cause of the concern to the least probable cause. If the list leads to the replacement of a component, always inspect for a poor connection before proceeding with replacement.

1. Speaker output open or shorted-Test the appropriate speaker output circuits for an open or short.
2. No audio output from the amplifier-Test for any AC voltage between the appropriate speaker output circuits at the speaker harness connector, disconnected with the radio volume adjusted to an audible level. If AC voltage is present, replace the speaker. If no AC voltage is present, replace the amplifier.
3. Defective speaker-Replace the inoperative speaker.