Toyota Tacoma (2015-2018) Service Manual: 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 Detection Condition |
Trouble Area |
|---|---|---|
|
U0232 |
The blind spot monitor sensor LH cannot receive signals from the blind spot monitor sensor RH. |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
- When checking for DTCs, make sure that the blind spot monitor main switch assembly (warning canceling switch assembly) is on.
- Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH - BLIND SPOT MONITOR SENSOR RH) |
(a) Disconnect the B12 blind spot monitor sensor LH connector.
(b) Disconnect the B13 blind spot monitor sensor RH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
B12-1 (CA2P) - B13-1 (CA2P) |
Always |
Below 1 Ω |
|
B12-6 (CA2N) - B13-6 (CA2N) |
Always |
Below 1 Ω |
| NG | .gif) |
REPAIR OR REPLACE CAN LINE OR CONNECTOR |
|
.gif)
|
2. |
CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH - BATTERY AND BODY GROUND) |
|
(a) Disconnect the blind spot monitor sensor RH connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
B13-5 (BLB) - Body ground |
Ignition switch ON |
11 to 14 V |
|
Ignition switch off |
Below 1 V |
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
B13-10 (BRGD) - Body ground |
Always |
Below 1 Ω |
|
*a |
Front view of wire harness connector (to Blind Spot Monitor Sensor RH) |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
3. |
CHECK BLIND SPOT MONITOR SENSOR RH |
(a) Replace the blind spot monitor sensor RH with a new or normally functioning
one (See page .gif)
).
(b) Clear the DTCs (See page ).
(c) Recheck for DTCs and check if the same DTC is output again (See page
).
OK:
No DTCs are output.
| OK | |
END (BLIND SPOT MONITOR SENSOR RH WAS DEFECTIVE) |
| NG | |
REPLACE BLIND SPOT MONITOR SENSOR LH |
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
...
Lost Communication with ECM / PCM "A" (U0100,U0126,U0129,U0142)
DESCRIPTION
These DTCs are stored if there is a malfunction in the CAN communication system
connected to the blind spot monitor sensor.
HINT:
If CAN communication system DTCs are stored, they may ...
Other materials:
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Main Body / Trouble Codes.
(e) Check for DTCs.
2. CLEAR DTC
(a) Connect the Techstream to the DLC3.
(b) Turn t ...
Electronic Circuit Inspection Procedure
ELECTRONIC CIRCUIT INSPECTION PROCEDURE
1. BASIC INSPECTION
(a) WHEN MEASURING RESISTANCE OF ELECTRONIC PARTS
(1) Unless otherwise stated, all resistance measurements should be made at an
ambient temperature of 20°C (68°F). Resistance measurements may be inaccurate if
measured at high tempe ...
Receiver Error (C2176/76)
DESCRIPTION
Tire pressure warning valve and transmitter signals are transmitted to the tire
pressure warning ECU and receiver in the vehicle as radio waves.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
C2 ...
