Speakers Inoperative - One or More

SPEAKERS INOPERATIVE - ONE OR MORE

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

ALL 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.

1. Speaker output shorted-Test all speaker outputs for a short.
2. Defective radio-Replace the radio.

IMPORTANT: The following procedure assumes all speakers are operative for all modes of operation except digital radio.

With RPO U2K
1. Remote radio audio signal circuit shorted-Test the remote radio audio signal circuits for a short.
2. No audio output from the digital radio receiver-Replace the digital radio receiver.
3. No digital radio audio output from the radio-Replace the radio.

SPEAKERS - ONE CHANNEL 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.
- The following procedure assumes all speakers are operative for all modes of operation, except digital radio.

With RPO U2K
1. Remote radio audio signal circuit open-Test the appropriate remote radio audio signal circuit for an open.
2. No audio output from the digital radio receiver-Replace the digital radio receiver.
3. No digital radio audio output from the radio-Replace the radio.

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-Test the appropriate speaker output circuits for an open.
2. No audio output from the radio-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 radio.