DTC B2341: Sensor (Motor) Failure; DTC B2344: Position Failure [12/2019 - ]: Procedure

1. Check the sliding roof auto operation.

   Refer to OPERATION CHECK [12/2019 - ]

   OK

   Auto operation operates normally.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  3

Result: 

OK 

See step  2

1. Clear the DTCs.

   Body Electrical > Sliding Roof > Clear DTCs 

2. Check for DTCs.

   Body Electrical > Sliding Roof > Trouble Codes 

   OK

   DTCs B2341 and B2344 are 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 

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 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 

See step  5

Result: 

OK 

See step  4

1. Clear the DTCs.

   Body Electrical > Sliding Roof > Clear DTCs 

2. Check for DTCs.

   Body Electrical > Sliding Roof > Trouble Codes 

   OK

   DTCs B2341 and B2344 are 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. Disconnect the R11 sliding roof switch (map light assembly) connector.
2. Disconnect the R2 sliding roof ECU (sliding roof drive gear assembly) connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   R2-8 (CLS) - R11-19 (CLS)	Always	Below 1 Ω
   R2-8 (CLS) or R11-19 (CLS) - Body ground	Always	10 kΩ or higher
   R2-10 (OPN) - R11-20 (OPN)	Always	Below 1 Ω
   R2-10 (OPN) or R11-20 (OPN) - Body ground	Always	10 kΩ or higher
   R2-9 (CLS) - R11-18 (DOWN)	Always	Below 1 Ω
   R2-9 (CLS) or R11-18 (DOWN) - Body ground	Always	10 kΩ or higher
   R2-5 (OPN) - R11-17 (UP)	Always	Below 1 Ω
   R2-5 (OPN) or R11-17 (UP) - Body ground	Always	10 kΩ or higher
   R11-11 (GND) - Body ground	Always	Below 1 Ω
   R2-2 (E) - Body ground	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  6

Refer to INSPECTION [12/2019 - ]

Result

Result: 

OK 

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: 

NG 

REPLACE SLIDING ROOF SWITCH (MAP LIGHT ASSEMBLY). Refer to  REMOVAL [12/2019 - ]