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 unitDiagnosis system (IPDM E/R)
Diagnosis Description
AUTO ACTIVE TEST
Description
In auto active test mode, the IPDM E/R sends a drive signal to the following
systems to check their operation.
Oil pressure warning lamp
Front wiper (LO, HI)
Parking lamps
Side marker lamps
License plate lamps
Tail lamps
Front f ...
Brake booster
Exploded View
Master cylinder assembly
Brake booster
Brake pedal
Lock nut
Gasket
Removal and installation
NOTE:
When removing components such as hoses, tubes/lines, etc., cap or plug openings
to prevent fluid from spilling.
REMOVAL
Release the fuel pressure. Refer to ...
Steering knuckle
Removal and Installation
Steering knuckle
Splash guard
Wheel hub and bearing
Cotter pin
REMOVAL
Remove the front wheel hub and bearing. Refer to FAX-7, "Removal
and Installation".
Remove the steering linkage from the steering knuckle. Refer to
ST-26, "Removal and Insta ...