DTC B2341-49: Sliding Roof Motor Internal Electronic Failure; DTC B2344-07: Sliding Roof Position Mechanical Failure [12/2023 - ]: Procedure

1. Check the roof sunshade auto operation.

   HINT: 

   Refer to OPERATION CHECK [11/2020 - ]

   OK

   Auto operation operates normally.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  4

Result: 

OK 

See step  2

1. Clear the DTCs.

   Body Electrical > Main Body > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  3

1. Check for DTCs.

   Body Electrical > Main Body > Trouble Codes 

   Result

   Result	Proceed to
   B2341-49 and B2344-07 are not output	A
   B2341-49 or B2344-07 is output	B

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2020 - ] 

Result: 

B 

REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY. Refer to  DISASSEMBLY [11/2020 - ] 

1. Check that the sliding roof drive gear sub-assembly can be initialized.

   HINT: 

   Refer to INITIALIZATION [11/2020 - ]

   OK

   Sliding roof drive gear sub-assembly can be initialized.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  7

Result: 

OK 

See step  5

1. Clear the DTCs.

   Body Electrical > Main Body > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  6

1. Check for DTCs.

   Body Electrical > Main Body > Trouble Codes 

   Result

   Result	Proceed to
   B2341-49 and B2344-07 are not output	A
   B2341-49 or B2344-07 is output	B

Result: 

A 

END (MALFUNCTION DUE TO INITIALIZATION FAILURE) 

Result: 

B 

REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY. Refer to  DISASSEMBLY [11/2020 - ] 

HINT: 

Refer to INSPECTION [11/2020 - ]

Result

Result: 

NG 

REPLACE ROOF SUNSHADE SWITCH (MAP LIGHT ASSEMBLY). Refer to  REMOVAL [11/2020 - ] 

Result: 

OK 

See step  8

Pre-procedure1

• Disconnect the H4 sliding roof drive gear sub-assembly connector.
• Disconnect the H8 roof sunshade switch (map light assembly) connector.

• Measure the resistance according to the value (s) in the table below.

  Standard Resistance

  Tester Connection	Condition	Specified Condition	Result
  H4-5 (OPN) - H8-11 (OPN)	Always	Below 1 Ω	Ω
  H4-9 (CLS) - H8-12 (CLS)	Always	Below 1 Ω	Ω
  H4-2 (E) - Body ground	Always	Below 1 Ω	Ω
  H8-19 (GND) - Body ground	Always	Below 1 Ω	Ω
  H4-5 (OPN) or H8-11 (OPN) - Body ground	Always	10 kΩ or higher	kΩ
  H4-9 (CLS) or H8-12 (CLS) - Body ground	Always	10 kΩ or higher	kΩ

  Result

  Proceed to
  OK
  NG

Post-procedure1

• None

Result: 

OK 

REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY. Refer to  DISASSEMBLY [11/2020 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR