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 unitTire Pressure Monitoring System (TPMS)
This vehicle is equipped with the TPMS. It monitors
tire pressure of all tires except the spare.
When the low tire pressure warning light is lit and
the "Tire Pressure Low-Add Air" warning appears
in the vehicle information display, one or more of
your tires is significantly under-inflated. I ...
On board refueling vapor recovery (ORVR)
Description
From the beginning of refueling, the air and vapor inside the fuel tank go
via the refueling EVAP vapor cut
valve and EVAP/ORVR line to the EVAP canister. The vapor is absorbed by the EVAP
canister and the air is
released to the atmosphere.
When the refueling has reached ...
Brake booster
Inspection
OPERATION
With engine stopped, change vacuum to atmospheric pressure by
depressing brake pedal several times. Then with brake pedal fully
depressed, start engine and when vacuum pressure reaches the
standard, make sure that clearance between brake pedal and floor
panel decreas ...