Power Source Circuit
ComponentsSoftware Incompatibility with Body Control Module "B" (U1331)
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 in ...
ECU Power Source Circuit
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following
inspection procedure.
PROCEDURE
1.
INSPECT BATTERY
(a) Check the battery voltage.
Standard voltage:
11 to 14 V
NG
...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
Techstream can be used in steps 3, 6, 9 and 12.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
2.
CUSTOMER PROBLEM ANALYSIS
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