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 unitSound signal circuit
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Description
Left and right channel audio signals are supplied from the satellite radio
tuner to the AV control unit through
the sound signal circuits.
SATELLITE RADIO TUNER : Diagnosis Procedure
LEFT CHANNEL
1.CHECK HARNESS
Turn ignition ...
Symptom diagnosis
UNBALANCE STEERING WHEEL TURNING FORCE (TORQUE VARIATION)
Description
Hard steering when fully turning the steering wheel.
Light steering when driving at a high speed.
Diagnosis Procedure
1.CHECK SYSTEM FOR POWER SUPPLY AND GROUND
Perform trouble diagnosis for power supply and ground cir ...
Precaution
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and
"SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT
PRE-TENSIONER", used along with a front seat belt, helps to reduce the risk
or severity of injury to the driver and front passenger for ...