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 unitMagnet clutch control system
System Diagram
System Description
The A/C auto amp. controls compressor operation by ambient temperature,
intake air temperature and signal
from ECM.
SYSTEM OPERATION
When the A/C switch, the AUTO switch, or the DEF switch is pressed, or when
shifting mode position to D/F,
the A/C auto ...
Wiring diagram
HORN
Wiring Diagram
...
Recommended fluids/lubricants and capacities
The following are approximate capacities. The actual refill capacities may
be slightly different. When refilling, follow the procedure
described in the "Do-it-yourself" section to determine the proper refill
capacity.
...