DESCRIPTION
This DTC is stored when the destination information of the main body ECU (multiplex network body ECU) does not match that of the blind spot monitor sensors.
DTC Code |
DTC Detection Condition |
Trouble Area |
---|---|---|
U1331 |
Destination information of the main body ECU (driver side junction block assembly) and blind spot monitor sensor do not match. |
|
CAUTION / NOTICE / HINT
NOTICE:
When checking for DTCs, make sure that the blind spot monitor main switch assembly (warning canceling switch assembly) is on.
PROCEDURE
1. |
CONFIRM PART NUMBER (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)) |
(a) Check the main body ECU (multiplex network body ECU) part number.
(1) Check if the part number of the main body ECU (multiplex network body ECU) installed on the vehicle is correct.
OK:
The part number is correct.
NG | ![]() |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
|
2. |
CHECK DTC |
(a) Clear the DTCs (See page ).
(b) Recheck for DTCs and check if the same DTC is output again.
Result
Result |
Proceed to |
---|---|
No DTC is output |
A |
DTC is output from the blind spot monitor sensor LH (master) |
B |
DTC is output from the blind spot monitor sensor RH (slave) |
C |
A | ![]() |
USE SIMULATION METHOD TO CHECK |
B | ![]() |
REPLACE BLIND SPOT MONITOR SENSOR LH |
C | ![]() |
REPLACE BLIND SPOT MONITOR SENSOR RH |
Main Body ECU Vehicle Information Reading/Writing Process Malfunction (B15F6)
DESCRIPTION
This DTC is stored when items controlled by the main body ECU (multiplex network
body ECU) cannot be customized via the audio and visual system vehicle customization
screen.
HINT:
The main body ECU (multiplex network body ECU) controls the items for the following
systems th ...
Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
*A
w/ Seat Heater System
-
-
*1
FRONT SEAT CUSHION HEATER ASSEMBLY
*2
FRONT SEATBACK HEATER ASSEMBLY
...
Inspection
INSPECTION
PROCEDURE
1. INSPECT GENERATOR BRUSH HOLDER ASSEMBLY
(a) Using a vernier caliper, measure the brush length.
Text in Illustration
*a
Length
Standard exposed length:
9.5 to 11.5 mm (0.374 to 0.453 in.)
Minimum ex ...