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 unitCommunication signal circuit
Description
Detects door open/close condition.
Diagnosis Procedure
1.CHECK FRONT DOOR SWITCH INPUT SIGNAL
Turn ignition switch OFF.
Disconnect sunshade motor assembly connector.
Turn ignition switch ON.
Check signal between sunshade motor assembly harness connector and
ground with os ...
Power supply and ground circuit
Diagnosis Procedure
1.CHECK GROUND CONNECTION-I
Turn ignition switch OFF.
Check ground connection E9. Refer to Ground Inspection
2.CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT-I
Disconnect ECM harness connector.
Check the continuity between ECM harness connector and ground.
Also che ...
SRS air bag system
"AIR BAG" Warning Lamp Does Not Turn Off
DIAGNOSTIC PROCEDURE
1.CHECK CONDITION OF AIR BAG MODULE
Inspect for any deployed air bag modules or seat belt pre-tensioners.
2.CHECK THE AIR BAG FUSE
Check 10A fuse [No. 2, located in the fuse block (J/B)].
3.CHECK AIR BAG FUSE AGAIN
Replace 10A fuse ...