Diagnosis system (AV control unit)
U1000 CAN comm circuitU1300 AV comm circuit
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 DISPL ...
U1243 display unit
DTC Logic
Diagnosis Procedure
1.CHECK DISPLAY UNIT POWER SUPPLY AND GROUND CIRCUIT
Check display unit power supply and ground circuit
2.CHECK CONTINUITY OF COMMUNICATION CIRCUIT
Turn ignition switch OFF.
Disconnect display unit connector M142 and AV control unit
connector M163.
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Wiring diagram
REAR WINDOW DEFOGGER
Wiring Diagram
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