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 unitSunshade system does not operate properly
Diagnosis Procedure
1.CHECK SUNSHADE MECHANISM
Check the following.
Operation malfunction caused by sunshade mechanism deformation,
pinched harness or other foreign materials
Operation malfunction and interference with other parts by poor
installation
2.CHECK SUNSHADE MOTOR ASSEMBLY ...
Anti-lock Braking System (ABS)
WARNING
The ABS is a sophisticated device, but it
cannot prevent accidents resulting from
careless or dangerous driving techniques.
It can help maintain vehicle control
during braking on slippery surfaces.
Remember that stopping distances on
slippery surfaces will be longer than on
norma ...
Microphone signal circuit
Description
Voice signals are transmitted from the microphone to the Bluetooth control
unit using the microphone signal circuits.
Diagnosis Procedure
1.CHECK HARNESS BETWEEN BLUETOOTH CONTROL UNIT AND MICROPHONE
Turn ignition switch OFF.
Disconnect Bluetooth control unit connector and ...