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 unitRemoval and installation
GENERATOR
Exploded View
-3 Tightening order
Generator
B terminal nut
Generator bracket
Front
Removal and Installation
REMOVAL
Remove hoodledge covers (LH/RH).
Remove cooling fan assembly. Refer to CO-16, "Removal and
Installation".
Remove the A/C compre ...
Automatic air conditioner system
System Diagram
CONTROL SYSTEM
The control system consists of input sensors, switches, the A/C auto amp.
(microcomputer) and outputs. The
relationship of these components is as shown in the figure below:
System Description
CONTROL OPERATION
Display
The operation status of the HVAC system ...
AV control unit
Reference Value
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
PHYSICAL VALUES
DTC Index
Self-diagnosis results display item
...