Description
U1300 is indicated when a communication signal malfunction occurs. U1300 is indicated along with DTCs that identify components connected to the AV control unit through communication lines. Determine the possible malfunction cause from the table below.
SELF-DIAGNOSIS RESULTS DISPLAY ITEM

U1255 satellite radio tuner
U1310 AV control unitReleasing the trunk lid
Press the button for longer than
1 second
to open the trunk lid. The trunk release button will
not operate when the ignition switch is in the ON
position or when the trunk cancel switch is in the
OFF position. For additional information, refer to
"Cancel switch" in this section. ...
Sunroof motor assembly
Wiring Diagram
...
Subwoofer
Description
The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker
amp. amplifies the audio signals before sending them to the subwoofers using
the audio signal circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the audio unit, BOSE speaker amp. and subwoofer connect ...