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 unitCombination meter
Reference Value
VALUES ON THE DIAGNOSIS TOOL
NOTE:
* The monitor will indicate "OFF" even though
the brake warning lamp is on if either of the following conditions exist:
The parking brake is engaged
The brake fluid level is low
TERMINAL LAYOUT
PHYSICAL VALUES
...
Disk eject signal circuit
Description
The eject signal is output to AV control unit when the eject switch of A/C
and AV switch assembly is pressed.
Diagnosis Procedure
1.CHECK CONTINUITY DISK EJECT SIGNAL CIRCUIT
Turn ignition switch OFF.
Disconnect A/C and AV switch assembly connector M98 and AV
control un ...
BCM (body control module)
Reference Value
NOTE: The Signal Tech II Tool (J-50190) can
be used to perform the following functions. Refer to the Signal Tech II User
Guide for additional information.
Activate and display TPMS transmitter IDs
Display tire pressure reported by the TPMS transmitter
Read TPMS DTCs
Re ...