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 unitB1049 - B1052, B1054 - B1057 driver airbag module
Description
DTC B1049 - B1052, B1054 - B1057 DRIVER AIRBAG MODULE
The driver air bag module is dual stage and wired to the air bag diagnosis
sensor unit through the spiral cable.The air bag diagnosis sensor unit will
monitor for opens and shorts in detected lines to the driver air bag module
...
Power window main switch
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
Fail Safe
FAIL-SAFE CONTROL
Switches to fail-safe control when malfunction is detected in encoder signal
that detects up/down speed and
direction of door glass. Switches to fail-safe c ...
Lock-up and select control system
System Diagram
System Description
The torque converter clutch piston in the torque converter is
engaged to eliminate torque converter slip to
increase power transmission efficiency.
The torque converter clutch control valve operation is controlled
by the torque converte ...