Toyota Tacoma (2015-2018) Service Manual: Software 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 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 | .gif) |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
|
.gif)
|
2. |
CHECK DTC |
(a) Clear the DTCs (See page .gif)
).
(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 |
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Blind Spot Monitor System
DTC Code
Detection Item
See page
C1A45
Vehicle Speed Sensor
...
Lost Communication with Blind Spot Monitor Slave Module (U0232)
DESCRIPTION
This DTC is stored when the blind spot monitor sensor LH judges that there is
a communication problem with the blind spot monitor sensor RH.
DTC Code
DTC Detectio ...
Other materials:
Customize Parameters
CUSTOMIZE PARAMETERS
1. LANE DEPARTURE ALERT SYSTEM
Click here
2. INTUITIVE PARKING ASSIST SYSTEM
Click here
3. PRE-COLLISION SYSTEM
Click here
4. SEAT BELT WARNING SYSTEM
Click here
5. AIR CONDITIONING SYSTEM (for Automatic Air Conditioning System)
Click here
6. THEFT DETERRENT ...
Radio Receiver Power Source Circuit
DESCRIPTION
This is the power source circuit to operate the navigation receiver assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing
the following inspection procedure.
PROCEDURE
1.
...
Removal
REMOVAL
PROCEDURE
1. REMOVE FRONT DOOR SCUFF PLATE LH (for Double Cab)
2. REMOVE FRONT DOOR SCUFF PLATE LH (for Access Cab)
3. REMOVE COWL SIDE TRIM BOARD LH
4. REMOVE CENTER INSTRUMENT CLUSTER CENTER FINISH PANEL SUB-ASSEMBLY
5. REMOVE INSTRUMENT CLUSTER FINISH PANEL ASSEMBLY
...
