Audio System Symptom Troubleshooting - No sound is heard from the speaker(s) (display is normal) (with premium audio system)
  1. Measure the voltage between stereo amplifier connector B (28P) terminal No. 3 and body ground.
Is there battery voltage?
YES -
Go to Step 19 .
NO -
Repair open in the wire between stereo amplifier connector B (28P) terminal No. 3 and audio unit connector A (24P) terminal No. 17.■
  1. Turn the ignition switch to LOCK (0).