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 unitIPDM-E 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 IPDM E/R for damage,
bend and loose connection (unit side
and connector side).
2.CHECK HARNESS FOR OPEN CIRCUIT
...
Bose speaker AMP
Removal and Installation
Bose speaker amp.
Screws
REMOVAL
NOTE: If removing the BOSE speaker amp.
bracket, it is necessary to remove the parcel shelf finisher. The BOSE
speaker amp. can be removed without removing the BOSE speaker amp. bracket.
Disconnect the battery negative ...
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.INTERVIEW FOR MALFUNCTION
Find out what the customer's concerns are.
2.SYMPTOM CHECK
Verify the symptom from the customer's information.
3.BASIC INSPECTION
Check the operation of each part. Check if any concerns occu ...