Initial Inspection and Diagnostic Overview
Self-diagnostic FunctionSerial Number Display Mode
To obtain the audio unit serial number on a vehicle, do the following:
NOTE: You can only do this procedure when the battery power has been disconnected from the audio unit and the audio unit displays CODE.
1. Turn the ignition switch to ON (II).
2. With the audio unit turned off, push and hold the No. 1 (A) and No. 6 (B) buttons. While holding the buttons, push the VOL PUSH PWR knob (C) to ON.
3. The audio unit displays a U and a 4 digit number (A) (example U1234). These are the first 4 digits of the serial number. The display then changes to a L and a 4 digit number (B) (example L5678). These are the last 4 digits of the serial number.
4. Use all 8 numbers as the serial number when using the Interactive Network (iN) to retrieve the 5 digit anti-theft code.
5. The serial number output mode ends when you turn the audio unit off, or turn the ignition switch to LOCK (0).