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The audio unit has a coded theft protection circuit. Make sure you have the anti-theft security code before:
- Disconnecting the 12 volt battery.
- Disconnecting the audio unit connector A (24P).
- Removing the No. B1 (15 A) fuse from the under-dash fuse/relay box.
When the audio unit is reconnected to the power and the ignition switch is turned to ON (II), CODE appears on the display. Enter the 5-digit anti-theft security code.
When replacing the audio unit, be sure to give the customer the new anti-theft security code.
If you cannot find the code, refer to the SELF-DIAGNOSIS FUNCTION on how to retrieve the code using the iN.