DESCRIPTION
This DTC is stored when the blind spot monitor sensor LH (Master) judges that there is a communication problem with the blind spot monitor sensor RH (Slave).
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
U0232 |
Lost Communication with Blind Spot Monitor Slave Module |
The blind spot monitor sensor LH (Master) cannot receive signals from the blind spot monitor sensor RH (Slave). |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
HINT:
PROCEDURE
1. |
CHECK CAN BUS MAIN WIRE |
(a) Disconnect the cable from the negative (-) battery terminal. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
Result |
---|---|---|---|
M62-1 (CA2P) -M62-6 (CA2N) |
Cable disconnected from negative (-) battery terminal |
54 to 69 Ω |
Below 54 Ω: Short circuit between bus lines |
70 Ω or more: Open circuit in main bus lines |
|||
M62-1(CA2P) - F41-4(CG) |
Cable disconnected from negative (-) battery terminal |
200 Ω or higher |
Below 200 Ω: CA2P short to ground |
M62-6(CA2N) - F41-4(CG) |
Cable disconnected from negative (-) battery terminal |
200 Ω or higher |
Below 200 Ω: CA2N short to ground |
M62-1(CA2P) - F41-16(BAT) |
Cable disconnected from negative (-) battery terminal |
6 kΩ or higher |
Below 6 kΩ: CA2P +B short |
M62-6(CA2N) - F41-16(BAT) |
Cable disconnected from negative (-) battery terminal |
6 kΩ or higher |
Below 6 kΩ: CA2N +B short |
Result |
Proceed to |
---|---|
OK |
A |
Open circuit in CAN main bus lines |
B |
Short circuit between bus lines |
C |
|
D |
B |
GO TO STEP 6 |
C |
GO TO STEP 8 |
D |
GO TO STEP 10 |
|
2. |
CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH (SLAVE) - BODY GROUND) |
(a) Disconnect the blind spot monitor sensor RH (Slave) connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
M63-10 (BRGD) - Body ground |
Always |
Below 1 Ω |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH (SLAVE) POWER SOURCE) |
(a) Disconnect the blind spot monitor sensor RH (Slave) connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
M63-5 (BRB) - Body ground |
Ignition switch to ON |
11 to 14 V |
M63-5 (BRB) - Body ground |
Ignition switch off |
Below 1 V |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
CHECK DTC |
(a) Turn the ignition switch off.
(b) Turn the ignition switch on (IG).
(c) Check for DTCs.
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Body Electrical > Blind Spot Monitor Master > Trouble CodesOK:
No DTCs are output.
OK |
USE SIMULATION METHOD TO CHECK |
|
5. |
REPLACE BLIND SPOT MONITOR SENSOR RH (SLAVE) |
(a) Replace the blind spot monitor sensor RH (Slave).
Click here
(b) Clear the DTCs.
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Body Electrical > Blind Spot Monitor Master > Clear DTCs(c) Recheck for DTCs and check if the same DTC is output again.
Click here
Body Electrical > Blind Spot Monitor Master > Trouble CodesOK:
No DTCs are output.
OK |
END (BLIND SPOT MONITOR SENSOR RH (SLAVE) WAS DEFECTIVE) |
NG |
REPLACE BLIND SPOT MONITOR SENSOR LH (MASTER) |
6. |
CHECK FOR OPEN IN CAN BUS MAIN WIRE (BLIND SPOT MONITOR SENSOR RH (SLAVE)) |
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the blind spot monitor sensor RH (Slave) connector.
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK |
REPLACE BLIND SPOT MONITOR SENSOR RH (SLAVE) |
|
7. |
CHECK FOR OPEN IN CAN BUS MAIN WIRE (BLIND SPOT MONITOR SENSOR LH (MASTER)) |
(a) Reconnect the blind spot monitor sensor RH (Slave) M63 connector.
(b) Disconnect the cable from the negative (-) battery terminal.
(c) Disconnect the blind spot monitor sensor LH (Master) connector.
(d) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK |
REPLACE BLIND SPOT MONITOR SENSOR LH (MASTER) |
NG |
REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (BLIND SPOT MONITOR SENSOR LH (MASTER) - BLIND SPOT MONITOR SENSOR RH (SLAVE)) |
8. |
CHECK FOR SHORT IN CAN BUS WIRES (BLIND SPOT MONITOR SENSOR RH (SLAVE)) |
(a) Disconnect the cable from the negative (-) battery terminal. |
|
(b) Disconnect the blind spot monitor sensor RH (Slave) connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
M63-1 (CA2P) - M63-6 (CA2N) |
Cable disconnected from negative (-) battery terminal |
108 to 132 Ω |
OK |
REPLACE BLIND SPOT MONITOR SENSOR RH (SLAVE) |
|
9. |
CHECK FOR SHORT IN CAN BUS WIRES (BLIND SPOT MONITOR SENSOR LH (MASTER)) |
(a) Reconnect the blind spot monitor sensor RH (Slave) M63 connector.
(b) Disconnect the cable from the negative (-) battery terminal. |
|
(c) Disconnect the blind spot monitor sensor LH (Master) connector.
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
M62-1 (CA2P) - M62-6 (CA2N) |
Cable disconnected from negative (-) battery terminal |
108 to 132 Ω |
OK |
REPLACE BLIND SPOT MONITOR SENSOR LH (MASTER) |
NG |
REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (BLIND SPOT MONITOR SENSOR LH (MASTER) - BLIND SPOT MONITOR SENSOR RH (SLAVE)) |
10. |
CHECK FOR SHORT IN CAN BUS WIRES (BLIND SPOT MONITOR SENSOR RH (SLAVE)) |
(a) Disconnect the cable from the negative (-) battery terminal. |
|
(b) Disconnect the blind spot monitor sensor RH (Slave) connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
M63-1 (CA2P) - F41-4 (CG) |
Cable disconnected from negative (-) battery terminal |
200 Ω or higher |
M63-6 (CA2N) - F41-4 (CG) |
Cable disconnected from negative (-) battery terminal |
200 Ω or higher |
M63-1 (CA2P) - F41-16 (BAT) |
Cable disconnected from negative (-) battery terminal |
6 kΩ or higher |
M63-6 (CA2N) - F41-16 (BAT) |
Cable disconnected from negative (-) battery terminal |
6 kΩ or higher |
OK |
REPLACE BLIND SPOT MONITOR SENSOR RH (SLAVE) |
|
11. |
CHECK FOR SHORT IN CAN BUS WIRES (BLIND SPOT MONITOR SENSOR LH (MASTER)) |
(a) Reconnect the blind spot monitor sensor RH (Slave) M63 connector.
(b) Disconnect the cable from the negative (-) battery terminal. |
|
(c) Disconnect the blind spot monitor sensor LH (Master) connector.
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
M62-1 (CA2P) - F41-4 (CG) |
Cable disconnected from negative (-) battery terminal |
200 Ω or higher |
M62-6 (CA2N) - F41-4 (CG) |
Cable disconnected from negative (-) battery terminal |
200 Ω or higher |
M62-1 (CA2P) - F41-16 (BAT) |
Cable disconnected from negative (-) battery terminal |
6 kΩ or higher |
M62-6 (CA2N) - F41-16 (BAT) |
Cable disconnected from negative (-) battery terminal |
6 kΩ or higher |
OK |
REPLACE BLIND SPOT MONITOR SENSOR LH (MASTER) |
NG |
REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (BLIND SPOT MONITOR SENSOR LH (MASTER) - BLIND SPOT MONITOR SENSOR RH (SLAVE)) |
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