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 (audio unit)
Diagnosis Description
Self-diagnosis mode can perform the following items.
Versions display
Channel check diagnosis
Key check diagnosis
AV communication diagnosis
VERSIONS DISPLAY FUNCTION
Turn ignition switch ON.
Turn the audio unit off.
While pressing "1" button, turn vol ...
Preparation
Special Service Tool
The actual shapes of the tools may differ from those illustrated here.
Commercial Service Tool
...
Rear spoiler
Exploded View
Rear spoiler assembly
High-mounted stop lamp harness connector
Harness grommet
Removal and Installation
Removal
Remove trunk lid finisher. Refer to INT-36, "Removal and Installation".
Disconnect the harness connector (1) from the high-mounted stop lamp.
Remo ...