DTC Troubleshooting: B261C, B261D, B261E, B261F
DTC B261C: Rear 1st Sensor Data Failure
DTC B261D: Rear 2nd Sensor Data Failure
DTC B261E: Rear 3rd Sensor Data Failure
DTC B261F: Rear 4th Sensor Data Failure
NOTE:
If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A.
Before you troubleshoot, resetting the parking and back-up sensor control unit.
The connection order of the sensor is 1st ? 2nd ? 3rd ? 4th from the side near the control unit.

DTC Description
DTC
B261C Rear 1st Sensor Data Failure
  
B261D Rear 2nd Sensor Data Failure
  
B261E Rear 3rd Sensor Data Failure
  
B261F Rear 4th Sensor Data Failure
  

1.
Problem verification:

Problem verification
?1.
Clear the DTCs with the HDS.


?2.
Turn the vehicle to the OFF (LOCK) mode and then the ON mode.

?3.
Wait for at least 6 seconds.

?4.
Check for DTCs with the HDS.
DTC Description
DTC
B261C Rear 1st Sensor Data Failure
  
B261D Rear 2nd Sensor Data Failure
  
B261E Rear 3rd Sensor Data Failure
  
B261F Rear 4th Sensor Data Failure
  

Is DTC B261C, B261D, B261E, and/or B261F indicated?

     
YES
     
     
     
Go to step 2.
     
NO
     
     
     
Intermittent failure, the system is OK at this time. Check for loose or poor connections.?
2.
DTC check:

DTC check
?1.
Check for DTCs with the HDS.
DTC Description
DTC
B261C Rear 1st Sensor Data Failure
  
B261D Rear 2nd Sensor Data Failure
  
B261E Rear 3rd Sensor Data Failure
  
B261F Rear 4th Sensor Data Failure
  
B2647 Rear Sensor Power Failure
  
B2649 Rear Sensor Signal Short to Ground
  

Is DTC B261C, B261D, B261E, B261F, B2647, and/or B2649 indicated?

     
YES: B261C, B261D, B261E, and B261F indicated
     
     
     
Go to step 3.
     
YES: B261D, B261E, and B261F indicated
     
     
     
Go to step 4.
     
YES: B261E and B261F indicated
     
     
     
Go to step 5.
     
YES: B261F indicated
     
     
     
Go to step 6.
     
YES: B2647 indicated
     
     
     
     
YES: B2649 indicated
     
     
     
     
NO
     
     
     
Intermittent failure, the system is OK at this time. Check for loose or poor connections.?
3.
Open wire check (BOR SIDE L, SOR SIDE L, E2 SIDE L lines):

Open wire check (BOR SIDE L, SOR SIDE L, E2 SIDE L lines)
?1.
Turn the vehicle to the OFF (LOCK) mode.

?2.
Disconnect the following connectors.
Parking and back-up sensor control unit 16P connector
Left rear corner sensor 6P connector

?3.
Check for continuity between test points 1 and 2 respectively.
Test condition
Vehicle OFF (LOCK) mode
Parking and back-up sensor control unit 16P connector: disconnected
Left rear corner sensor 6P connector: disconnected
Test point 1
Parking and back-up sensor control unit 16P connector No. 16
Test point 2
Left rear corner sensor 6P connector No. 6

Test point 1
Parking and back-up sensor control unit 16P connector No. 14
Test point 2
Left rear corner sensor 6P connector No. 4

Test point 1
Parking and back-up sensor control unit 16P connector No. 12
Test point 2
Left rear corner sensor 6P connector No. 2


Is there 1.0 ? or less?

     
YES
     
     
     
     
NO
     
     
     
Repair an open or high resistance in the wire.?
4.
Open wire check (BOR CTR L, SOR CTR L, E2 CTR L lines):

Open wire check (BOR CTR L, SOR CTR L, E2 CTR L lines)
?1.
Turn the vehicle to the OFF (LOCK) mode.

?2.
Disconnect the following connectors.
Left rear corner sensor 6P connector
Left rear center sensor 6P connector

?3.
Check for continuity between test points 1 and 2 respectively.
Test condition
Vehicle OFF (LOCK) mode
Left rear corner sensor 6P connector: disconnected
Left rear center sensor 6P connector: disconnected
Test point 1
Left rear corner sensor 6P connector No. 5
Test point 2
Left rear center sensor 6P connector No. 6

Test point 1
Left rear corner sensor 6P connector No. 3
Test point 2
Left rear center sensor 6P connector No. 4

Test point 1
Left rear corner sensor 6P connector No. 1
Test point 2
Left rear center sensor 6P connector No. 2


Is there 1.0 ? or less?

     
YES
     
     
     
     
NO
     
     
     
Repair an open or high resistance in the wire.?
5.
Open wire check (BOR CTR R, SOR CTR R, E2 CTR R lines):

Open wire check (BOR CTR R, SOR CTR R, E2 CTR R lines)
?1.
Turn the vehicle to the OFF (LOCK) mode.

?2.
Disconnect the following connectors.
Left rear center sensor 6P connector
Right rear center sensor 6P connector

?3.
Check for continuity between test points 1 and 2 respectively.
Test condition
Vehicle OFF (LOCK) mode
Left rear center sensor 6P connector: disconnected
Right rear center sensor 6P connector: disconnected
Test point 1
Left rear center sensor 6P connector No. 5
Test point 2
Right rear center sensor 6P connector No. 6

Test point 1
Left rear center sensor 6P connector No. 3
Test point 2
Right rear center sensor 6P connector No. 4

Test point 1
Left rear center sensor 6P connector No. 1
Test point 2
Right rear center sensor 6P connector No. 2


Is there 1.0 ? or less?

     
YES
     
     
     
     
NO
     
     
     
Repair an open or high resistance in the wire.?
6.
Open wire check (BOR SIDE R, SOR SIDE R, E2 SIDE R lines):

Open wire check (BOR SIDE R, SOR SIDE R, E2 SIDE R lines)
?1.
Turn the vehicle to the OFF (LOCK) mode.

?2.
Disconnect the following connectors.
Right rear center sensor 6P connector
Right rear corner sensor 6P connector

?3.
Check for continuity between test points 1 and 2 respectively.
Test condition
Vehicle OFF (LOCK) mode
Right rear center sensor 6P connector: disconnected
Right rear corner sensor 6P connector: disconnected
Test point 1
Right rear center sensor 6P connector No. 5
Test point 2
Right rear corner sensor 6P connector No. 6

Test point 1
Right rear center sensor 6P connector No. 3
Test point 2
Right rear corner sensor 6P connector No. 4

Test point 1
Right rear center sensor 6P connector No. 1
Test point 2
Right rear corner sensor 6P connector No. 2


Is there 1.0 ? or less?

     
YES
     
     
     
     
NO
     
     
     
Repair an open or high resistance in the wire.?