Speakers Inoperative - All

SPEAKERS INOPERATIVE - ALL

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

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.

All Radios
1. Battery positive voltage circuit to the amplifier open. Test the battery positive voltage circuit to the amplifier for an open.
2. Ground circuit to the amplifier open. Test the ground circuit to the amplifier for an open.
3. No audio output from the amplifier. Replace the amplifier.

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

With RPO U2K
1. Audio signal circuit shorted. Test the 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.