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 unitSymptom diagnosis
SQUEAK AND RATTLE TROUBLE DIAGNOSES
Work Flow
CUSTOMER INTERVIEW
Interview the customer if possible, to determine the conditions that exist
when the noise occurs. Use the Diagnostic Worksheet during the interview to
document the facts and conditions when the noise occurs and any customer' ...
RGB (R: red) signal circuit
Description
Transmit the image displayed with AV control unit with RGB signal to the
display unit.
Diagnosis Procedure
1.CHECK CONTINUITY RGB (R: RED) SIGNAL CIRCUIT
Turn ignition switch OFF.
Disconnect display unit connector M141 and AV control unit
connector
M154.
Check cont ...
C1130, C1131, C1132, C1133, C1136 engine signal
Description
ABS actuator and electric unit (control unit) and ECM exchange the engine
signal with CAN communication
line.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAGNOSIS RESULTS
Check the self-diagnosis results.
Diagnosis Procedure
1.CHECK ENGINE S ...