DTC Troubleshooting: B2618, B2619, B261A, B261B
DTC B2618: Front 1st Sensor Data Failure
DTC B2619: Front 2nd Sensor Data Failure
DTC B261A: Front 3rd Sensor Data Failure
DTC B261B: Front 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
B2618 Front 1st Sensor Data Failure
  
B2619 Front 2nd Sensor Data Failure
  
B261A Front 3rd Sensor Data Failure
  
B261B Front 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
B2618 Front 1st Sensor Data Failure
  
B2619 Front 2nd Sensor Data Failure
  
B261A Front 3rd Sensor Data Failure
  
B261B Front 4th Sensor Data Failure
  

Is DTC B2618, B2619, B261A, and/or B261B 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
B2618 Front 1st Sensor Data Failure
  
B2619 Front 2nd Sensor Data Failure
  
B261A Front 3rd Sensor Data Failure
  
B261B Front 4th Sensor Data Failure
  
B2646 Front Sensor Power Failure
  
B2648 Front Sensor Signal Short to Ground
  

Is DTC B2618, B2619, B261A, B261B, B2646, and/or B2648 indicated?

     
YES: B2618, B2619, B261A, and B261B indicated
     
     
     
Go to step 3.
     
YES: B2619, B261A, and B261B indicated
     
     
     
Go to step 4.
     
YES: B261A and B261B indicated
     
     
     
Go to step 5.
     
YES: B261B indicated
     
     
     
Go to step 6.
     
YES: B2646 indicated
     
     
     
     
YES: B2648 indicated
     
     
     
     
NO
     
     
     
Intermittent failure, the system is OK at this time. Check for loose or poor connections.?
3.
Open wire check (BOF SIDE L, SOF SIDE L, E1 SIDE L lines):

Open wire check (BOF SIDE L, SOF SIDE L, E1 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 front 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 front corner sensor 6P connector: disconnected
Test point 1
Parking and back-up sensor control unit 16P connector No. 7
Test point 2
Left front corner sensor 6P connector No. 6

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

Test point 1
Parking and back-up sensor control unit 16P connector No. 13
Test point 2
Left front 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 (BOF CTR L, SOF CTR L, E1 CTR L lines):

Open wire check (BOF CTR L, SOF CTR L, E1 CTR L lines)
?1.
Turn the vehicle to the OFF (LOCK) mode.

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

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

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

Test point 1
Left front corner sensor 6P connector No. 1
Test point 2
Left front 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 (BOF CTR R, SOF CTR R, E1 CTR R lines):

Open wire check (BOF CTR R, SOF CTR R, E1 CTR R lines)
?1.
Turn the vehicle to the OFF (LOCK) mode.

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

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

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

Test point 1
Left front center sensor 6P connector No. 1
Test point 2
Right front 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 (BOF SIDE R, SOF SIDE R, E1 SIDE R lines):

Open wire check (BOF SIDE R, SOF SIDE R, E1 SIDE R lines)
?1.
Turn the vehicle to the OFF (LOCK) mode.

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

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

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

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


Is there 1.0 ? or less?

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