Audio System Symptom Troubleshooting - No sound is heard from the speaker(s) (display is normal) (with premium audio system)

  1. Check for continuity between audio unit connector A (24P), connector C (12P), and stereo amplifier connector B (28P) according to the table.
    Audio unit connector
    Stereo amplifier terminal
    A17 (WHT)
    B3 (YEL)
    A18 (GRN)
    B25 (RED)
    A19 (BLK)
    B11 (GRN)
    A21 (GRY)
    B12 (GRY)
    A22 (WHT)
    B24 (WHT)
    A23 (RED)
    B10 (BLK)
    C1 (RED)
    B1 (RED)
    C2 (GRN)
    B15 (GRN)
    C7 (GRY)
    B16 (GRY)

Is there continuity?
YES -
Go to Step 23 .
NO -
Repair open in the applicable wire(s) between the audio unit and stereo amplifier.■