Vehicle security indicator
BCM (body control module)U1300 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 DIS ...
Audio display unit
Removal and Installation
Audio display unit
Audio & A/C display unit bracket
A/C display unit
Front cover
REMOVAL
Disconnect the battery negative terminal. Refer to PG-68, "Removal
and Installation (Battery Tray)".
Remove the cluster lid D. Refer to IP-11, "Removal ...
Power supply and ground circuit
AV CONTROL UNIT
AV CONTROL UNIT : Diagnosis Procedure
1.CHECK FUSES
Check that the following fuses of the AV control unit are not blown.
2.POWER SUPPLY CIRCUIT CHECK
Disconnect AV control unit connectors M115 and M119.
Check voltage between the AV control unit connectors M115 and
...