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 No. | Detection Item | DTC Detection Condition | Trouble Area |
---|---|---|---|
U0232 | Lost Communication with Blind Spot Monitor Slave Module | The clearance warning ECU assembly cannot receive signals from the blind spot monitor sensor (slave) |
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U0233 | Lost Communication with Blind Spot Monitor Master Module | The clearance warning ECU assembly cannot receive signals from the blind spot monitor sensor (master) |
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WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
HINT:
PROCEDURE
1. | CHECK DTC |
(a) Check for DTCs.
Click here
Result | Proceed to |
---|---|
DTC U0232 is only output | A |
DTC U0233 is only output | B |
DTC U0232 and U0233 are output | C |
B | ![]() | GO TO STEP 5 |
C | ![]() | GO TO STEP 8 |
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2. | CHECK CAN BUS MAIN WIRE |
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the W2 blind spot monitor sensor RH connector.
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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NG | ![]() | REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (BLIND SPOT MONITOR SENSOR RH - NO. 6 CAN JUNCTION CONNECTOR) |
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3. | CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH - BODY GROUND) |
Click here
NG | ![]() | REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (BLIND SPOT MONITOR SENSOR RH - NO. 6 CAN JUNCTION CONNECTOR) |
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4. | CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH POWER SOURCE) |
Click here
OK | ![]() | REPLACE BLIND SPOT MONITOR SENSOR RH |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
5. | CHECK CAN BUS MAIN WIRE |
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the X2 blind spot monitor sensor LH connector.
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() | REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (BLIND SPOT MONITOR SENSOR LH - NO. 6 CAN JUNCTION CONNECTOR) |
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6. | CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH - BODY GROUND) |
Click here
NG | ![]() | REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (BLIND SPOT MONITOR SENSOR RH - NO. 6 CAN JUNCTION CONNECTOR) |
|
7. | CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH POWER SOURCE) |
Click here
OK | ![]() | REPLACE BLIND SPOT MONITOR SENSOR LH |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
8. | CHECK CAN BUS MAIN WIRE (BLIND SPOT MONITOR SENSOR RH) |
(a) Turn the engine switch off.
(b) Disconnect the cable from the negative (-) battery terminal.
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
Result | Proceed to |
---|---|
OK | A |
Open circuit in CAN main bus lines | B |
Short circuit between bus lines | C |
| D |
B | ![]() | GO TO STEP 11 |
C | ![]() | GO TO STEP 15 |
D | ![]() | GO TO STEP 19 |
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9. | CONFIRM CAN BUS WIRE (CLEARANCE WARNING ECU ASSEMBLY) |
(a) Disconnect the J38 clearance warning ECU assembly connector.
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() | REPAIR OR REPLACE CAN BUS WIRE (CLEARANCE WARNING ECU ASSEMBLY - NO. 6 CAN JUNCTION CONNECTOR) |
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10. | CHECK DTC |
(a) Clear the DTCs.
Click here
(b) Check for DTCs.
Click here
Result | Proceed to |
---|---|
DTC U0232 and U0233 are output | A |
DTC U0232 and U0233 are not output | B |
A | ![]() | REPLACE CLEARANCE WARNING ECU ASSEMBLY |
B | ![]() | USE SIMULATION METHOD TO CHECK |
11. | CHECK FOR OPEN IN CAN BUS WIRE (NO. 6 CAN JUNCTION CONNECTOR) |
(a) Disconnect the J98 No. 6 CAN junction connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
J98-3 (CANH) - J98-14 (CANL) | Cable disconnected from negative (-) battery terminal | 108 to 132 Ω |
J98-1 (CANH) - J98-12 (CANL) | Cable disconnected from negative (-) battery terminal | 108 to 132 Ω |
J98-2 (CANH) - J98-13 (CANL) | Cable disconnected from negative (-) battery terminal | 200 Ω or higher |
Result | Proceed to |
---|---|
OK | A |
NG (to blind spot monitor sensor LH CAN main wire) | B |
NG (to blind spot monitor sensor RH CAN main wire) | C |
NG (to clearance warning ECU assembly CAN wire) | D |
A | ![]() | REPLACE NO. 6 CAN JUNCTION CONNECTOR |
C | ![]() | GO TO STEP 13 |
D | ![]() | GO TO STEP 14 |
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12. | CHECK FOR OPEN IN CAN BUS MAIN WIRE (BLIND SPOT MONITOR SENSOR LH) |
(a) Reconnect the J98 No. 6 CAN junction connector.
(b) Disconnect the X2 blind spot monitor sensor LH connector. |
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
X2-1 (CA2P) - X2-6 (CA2N) | Cable disconnected from negative (-) battery terminal | 108 to 132 Ω |
OK | ![]() | REPLACE BLIND SPOT MONITOR SENSOR LH |
NG | ![]() | REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (BLIND SPOT MONITOR SENSOR LH - NO. 6 CAN JUNCTION CONNECTOR) |
13. | CHECK FOR OPEN IN CAN BUS MAIN WIRE (BLIND SPOT MONITOR SENSOR RH) |
(a) Reconnect the J98 No. 6 CAN junction connector.
(b) Disconnect the W2 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 |
---|---|---|
W2-1 (CA2P) -W2-6 (CA2N) | Cable disconnected from negative (-) battery terminal | 108 to 132 Ω |
OK | ![]() | REPLACE BLIND SPOT MONITOR SENSOR RH |
NG | ![]() | REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (BLIND SPOT MONITOR SENSOR RH - NO. 6 CAN JUNCTION CONNECTOR) |
14. | CHECK FOR OPEN IN CAN BUS WIRE (CLEARANCE WARNING ECU ASSEMBLY) |
(a) Reconnect the J98 No. 6 CAN junction connector.
(b) Disconnect the J38 clearance warning ECU connector. |
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
J38-37 (CANH) - J38-38 (CANL) | Cable disconnected from negative (-) battery terminal | 54 to 69 Ω |
OK | ![]() | REPLACE CLEARANCE WARNING ECU ASSEMBLY |
NG | ![]() | REPAIR OR REPLACE CAN BUS WIRE (CLEARANCE WARNING ECU ASSEMBLY - NO. 6 CAN JUNCTION CONNECTOR) |
15. | CHECK FOR SHORT IN CAN BUS WIRES (NO. 6 CAN JUNCTION CONNECTOR) |
(a) Disconnect the J98 No. 6 CAN junction connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
J98-3 (CANH) - J98-14 (CANL) | Cable disconnected from negative (-) battery terminal | 108 to 132 Ω |
J98-1 (CANH) - J98-12 (CANL) | Cable disconnected from negative (-) battery terminal | 108 to 132 Ω |
J98-2 (CANH) - J98-13 (CANL) | Cable disconnected from negative (-) battery terminal | 200 Ω or higher |
Result | Proceed to |
---|---|
OK | A |
NG (to blind spot monitor sensor LH CAN main wire) | B |
NG (to blind spot monitor sensor RH CAN main wire) | C |
NG (to clearance warning ECU assembly CAN wire) | D |
A | ![]() | REPLACE NO. 6 CAN JUNCTION CONNECTOR |
C | ![]() | GO TO STEP 17 |
D | ![]() | GO TO STEP 18 |
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16. | CHECK FOR SHORT IN CAN BUS WIRES (BLIND SPOT MONITOR SENSOR LH) |
(a) Reconnect the J98 No. 6 CAN junction connector.
(b) Disconnect the X2 blind spot monitor sensor LH connector. |
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
X2-1 (CA2P) - X2-6 (CA2N) | Cable disconnected from negative (-) battery terminal | 108 to 132 Ω |
OK | ![]() | REPLACE BLIND SPOT MONITOR SENSOR LH |
NG | ![]() | REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (BLIND SPOT MONITOR SENSOR LH - NO. 6 CAN JUNCTION CONNECTOR) |
17. | CHECK FOR SHORT IN CAN BUS WIRES (BLIND SPOT MONITOR SENSOR RH) |
(a) Reconnect the J98 No. 6 CAN junction connector.
(b) Disconnect the W2 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 |
---|---|---|
W2-1 (CA2P) -W2-6 (CA2N) | Cable disconnected from negative (-) battery terminal | 108 to 132 Ω |
OK | ![]() | REPLACE BLIND SPOT MONITOR SENSOR RH |
NG | ![]() | REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (BLIND SPOT MONITOR SENSOR RH - NO. 6 CAN JUNCTION CONNECTOR) |
18. | CHECK FOR SHORT IN CAN BUS WIRES (CLEARANCE WARNING ECU ASSEMBLY) |
(a) Reconnect the J98 No. 6 CAN junction connector.
(b) Disconnect the J38 clearance warning ECU connector. |
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
J38-37 (CANH) - J38-38 (CANL) | Cable disconnected from negative (-) battery terminal | 54 to 69 Ω |
OK | ![]() | REPLACE CLEARANCE WARNING ECU ASSEMBLY |
NG | ![]() | REPAIR OR REPLACE CAN BUS WIRE (CLEARANCE WARNING ECU ASSEMBLY - NO. 6 CAN JUNCTION CONNECTOR) |
19. | CHECK FOR SHORT IN CAN BUS WIRES (NO. 6 CAN JUNCTION CONNECTOR) |
(a) Disconnect the J98 No. 6 CAN junction connector.
(b) Measure the resistance according to the value(s) in the table below.
*1 | DLC3 | - | - |
*a | Front view of wire harness connector (to No. 6 CAN Junction Connector) | *b | to blind spot monitor sensor LH CAN main wire |
*c | to blind spot monitor sensor RH CAN main wire | *d | to clearance warning ECU assembly CAN wire |
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
J98-3 (CANH) - J141-4 (CG) | Cable disconnected from negative (-) battery terminal | 200 Ω or higher |
J98-14 (CANL) - J141-4 (CG) | Cable disconnected from negative (-) battery terminal | 200 Ω or higher |
J98-3 (CANH) - J141-16 (BAT) | Cable disconnected from negative (-) battery terminal | 6 kΩ or higher |
J98-14 (CANL) - J141-16 (BAT) | Cable disconnected from negative (-) battery terminal | 6 kΩ or higher |
J98-1 (CANH) - J141-4 (CG) | Cable disconnected from negative (-) battery terminal | 200 Ω or higher |
J98-12 (CANL) - J141-4 (CG) | Cable disconnected from negative (-) battery terminal | 200 Ω or higher |
J98-1 (CANH) - J141-16 (BAT) | Cable disconnected from negative (-) battery terminal | 6 kΩ or higher |
J98-12 (CANL) - J141-16 (BAT) | Cable disconnected from negative (-) battery terminal | 6 kΩ or higher |
J98-2 (CANH) - J141-4 (CG) | Cable disconnected from negative (-) battery terminal | 200 Ω or higher |
J98-13 (CANL) - J141-4 (CG) | Cable disconnected from negative (-) battery terminal | 200 Ω or higher |
J98-2 (CANH) - J141-16 (BAT) | Cable disconnected from negative (-) battery terminal | 6 kΩ or higher |
J98-13 (CANL) - J141-16 (BAT) | Cable disconnected from negative (-) battery terminal | 6 kΩ or higher |
Result | Proceed to |
---|---|
OK | A |
NG (to blind spot monitor sensor LH CAN main wire) | B |
NG (to blind spot monitor sensor RH CAN main wire) | C |
NG (to clearance warning ECU assembly CAN wire) | D |
A | ![]() | REPLACE NO. 6 CAN JUNCTION CONNECTOR |
C | ![]() | GO TO STEP 21 |
D | ![]() | GO TO STEP 22 |
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20. | CHECK FOR SHORT IN CAN BUS WIRES (BLIND SPOT MONITOR SENSOR LH) |
(a) Reconnect the J98 No. 6 CAN junction connector.
(b) Disconnect the X2 blind spot monitor sensor LH connector.
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK | ![]() | REPLACE BLIND SPOT MONITOR SENSOR LH |
NG | ![]() | REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (BLIND SPOT MONITOR SENSOR LH - NO. 6 CAN JUNCTION CONNECTOR) |
21. | CHECK FOR SHORT IN CAN BUS WIRES (BLIND SPOT MONITOR SENSOR RH) |
(a) Reconnect the J98 No. 6 CAN junction connector.
(b) Disconnect the W2 blind spot monitor sensor RH connector.
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK | ![]() | REPLACE BLIND SPOT MONITOR SENSOR RH |
NG | ![]() | REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (BLIND SPOT MONITOR SENSOR RH - NO. 6 CAN JUNCTION CONNECTOR) |
22. | CHECK FOR SHORT IN CAN BUS WIRES (CLEARANCE WARNING ECU ASSEMBLY) |
(a) Reconnect the J98 No. 6 CAN junction connector.
(b) Disconnect the J38 clearance warning ECU connector. |
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
J38-37 (CANH) - J141-4 (CG) | Cable disconnected from negative (-) battery terminal | 200 Ω or higher |
J38-38 (CANL) - J141-4 (CG) | Cable disconnected from negative (-) battery terminal | 200 Ω or higher |
J38-37 (CANH) - J141-16 (BAT) | Cable disconnected from negative (-) battery terminal | 6 kΩ or higher |
J38-38 (CANL) - J141-16 (BAT) | Cable disconnected from negative (-) battery terminal | 6 kΩ or higher |
OK | ![]() | REPLACE CLEARANCE WARNING ECU ASSEMBLY |
NG | ![]() | REPAIR OR REPLACE CAN BUS WIRE (CLEARANCE WARNING ECU ASSEMBLY - NO. 6 CAN JUNCTION CONNECTOR) |
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