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 A (18P) terminal No. 18 and body ground.
Is there battery voltage?
YES -
Go to Step 16 .
NO -
Repair open in the wire between No. 15 (20 A) fuse in the passenger's under-dash fuse/relay box and stereo amplifier connector B (18P) terminal No. 18.■
  1. Disconnect stereo amplifier connector B (28P).
  1. Turn the ignition switch to ON (II).