DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerABS branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the ABS actuator and
electric unit (control unit) for damage, bend
and loose connection (unit side and connector side).
...
U1243 display unit
Description
Part name
Description
DISPLAY UNIT
Display image is controlled by the serial communication from AV
control unit.
Inputs the RGB image signal (RGB, RGB area and RGB
synchronizing) from AV control unit and the auxiliary image ...
Bluetooth control unit
Removal and Installation
REMOVAL
Disconnect the battery negative terminal.
Remove the trunk upper finisher. Refer to INT-36, "Exploded View".
Remove the parcel shelf finisher. Refer to INT-28, "Removal and
Installation".
From inside the passenger compartment, remove the bracket screw ...