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 unitPower distribution system
System Description
INPUT/OUTPUT SIGNAL CHART
SYSTEM DESCRIPTION
POWER DISTRIBUTION SYSTEM (PDS) is the system that BCM controls
with the operation of the pushbutton
ignition switch and performs the power distribution to each power circuit.
This system is used instead
of the mec ...
L terminal circuit (short)
Description
The terminal "L" circuit controls the charge warning lamp. The charge warning
lamp turns ON when the ignition
switch is set to ON or START. When the generator is providing sufficient voltage
with the engine running,
the charge warning lamp turns off. If the charge warning lamp i ...
System description
CAN COMMUNICATION SYSTEM
CAN System Specification Chart
Determine CAN system type from the following specification chart.
NOTE:
Refer to LAN-15, "Trouble Diagnosis Procedure" for how to use CAN
system specification chart.
VEHICLE EQUIPMENT IDENTIFICATION INFORMATION
NOTE:
Check CAN system ...