DTC B2343: Position Initialization Incomplete [12/2019 - ]: Procedure

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [12/2019 - ]

   Body Electrical > Sliding Roof > Clear DTCs 

   Body Electrical > Sliding Sunshade > Clear DTCs 

2. Check for DTCs.

   Refer to DTC CHECK / CLEAR [12/2019 - ]

   Body Electrical > Sliding Roof > Trouble Codes 

   Body Electrical > Sliding Sunshade > Trouble Codes 

   OK

   DTC B2343 is not output.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ] 

Result: 

NG 

See step  2

1. Check the parts from which this DTC has been output.

   Result

   Result	Proceed to
   DTC output from sliding roof ECU (sliding roof drive gear assembly)	A
   DTC output from roof sunshade ECU (sliding roof drive gear assembly)	B

Result: 

B 

See step  6

Result: 

A 

See step  3

1. Check that the sliding roof ECU (sliding roof drive gear assembly) can be initialized.

   Refer to INITIALIZATION [12/2019 - ]

   OK

   Sliding roof ECU (sliding roof drive gear assembly) can be initialized.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY). Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023]  , or refer to  REMOVAL [11/2023 - ] 

Result: 

OK 

See step  4

1. Check the sliding roof auto operation function.

   Refer to OPERATION CHECK [12/2019 - ]

   OK

   Auto operation function operates normally.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY). Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023]  , or refer to  REMOVAL [11/2023 - ] 

Result: 

OK 

See step  5

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [12/2019 - ]

   Body Electrical > Sliding Roof > Clear DTCs 

2. Check for DTCs.

   Body Electrical > Sliding Roof > Trouble Codes 

   OK

   DTC B2343 is not output.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END (MALFUNCTION DUE TO INITIALIZATION FAILURE) 

Result: 

NG 

REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY). Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023]  , or refer to  REMOVAL [11/2023 - ] 

1. Check that the roof sunshade ECU (sliding roof drive gear assembly) can be initialized.

   Refer to INITIALIZATION [12/2019 - ]

   OK

   Roof sunshade ECU (sliding roof drive gear assembly) can be initialized.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY). Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023]  , or refer to  REMOVAL [11/2023 - ] 

Result: 

OK 

See step  7

1. Check the roof sunshade auto operation function.

   Refer to OPERATION CHECK [12/2019 - ]

   OK

   Auto operation function operates normally.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY). Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023]  , or refer to  REMOVAL [11/2023 - ] 

Result: 

OK 

See step  8

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [12/2019 - ]

   Body Electrical > Sliding Sunshade > Clear DTCs 

2. Check for DTCs.

   Body Electrical > Sliding Sunshade > Trouble Codes 

   OK

   DTC B2343 is not output.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END (MALFUNCTION DUE TO INITIALIZATION FAILURE) 

Result: 

NG 

REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY). Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023]  , or refer to  REMOVAL [11/2023 - ]