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 unitRCTA system limitations
WARNING
Listed below are the system limitations for
the RCTA system. Failure to operate the
vehicle in accordance with these system
limitations could result in serious injury or
death.
Always check surroundings and turn to
check what is behind you before backing
up. The radar sensors det ...
Sliding sensor
Description
The sliding sensor is installed to the seat frame.
The pulse signal is input to the driver seat control unit when sliding
is performed.
The driver seat control unit counts the pulse and calculates the sliding
amount of the seat.
Component Function Check
1. CHECK FUNCTIO ...
HVAC branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the A/C auto amp. for
damage, bend and loose connection (unit
side and connector side).
2.CHECK HARNESS FOR OPEN CIRCUI ...