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 unitP0031, P0032, P0051, P0052 A/F sensor 1 heater
Description
SYSTEM DESCRIPTION
The ECM performs ON/OFF duty control of the A/F sensor 1 heater corresponding
to the engine operating
condition to keep the temperature of A/F sensor 1 element within the specified
range.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PR ...
Wiring diagram
MONOCHROME DISPLAY
Wiring Diagram - With BOSE Audio System
...
Removal and installation
SUNROOF UNIT ASSEMBLY
Inspection
WIND DEFLECTOR
Open glass lid assembly fully.
Visually check for proper installation, damaged/deteriorated
components, or foreign objects within mechanism.
Correct as required for
smooth operation.
Check for grease at the wind deflector arm (1) and ...