Audio System Symptom Troubleshooting - Audio system information does not display on the center display unit (without navigation system)
  1. Check for continuity between audio unit connector B (20P) and the center display unit 12P connector according to the table.
    Audio unit connector
    Center display unit connector
    Wire color
    B6
    2
    RED
    B7
    1
    GRN
    B17
    4
    BLU

Is there continuity?
YES -
Go to Step 9 .
NO -
Repair open in the wire(s) between the audio unit and center display unit.■