DTC B2342: Switch Failure [11/2020 - ]: Procedure

1. Using the GTS, read the Data List.

   Body Electrical > Sliding Roof > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Open Switch Failure (Past)	Open switch failure signal (Past)	ON or OFF	ON: Roof sunshade open signal failure (Past) OFF: No roof sunshade open signal failure (Past)	-
   Close Switch Failure (Past)	Close switch failure signal (Past)	ON or OFF	ON: Roof sunshade close signal failure (Past) OFF: No roof sunshade close signal failure (Past)	-

   Body Electrical > Sliding Roof > Data List 

   Tester Display
   Open Switch Failure (Past)
   Close Switch Failure (Past)

   Result

   Result	Proceed to
   The value of Open Switch Failure (Past) and Close Switch Failure (Past) are OFF	A
   The value of Open Switch Failure (Past) or Close Switch Failure (Past) is not OFF	B

Result: 

A 

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

Result: 

B 

See step  2

1. Using the GTS, read the Data List.

   Body Electrical > Sliding Roof > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Open Switch Failure (Current)	Open switch failure signal (Current)	ON or OFF	ON: Roof sunshade open signal failure (Current) OFF: No roof sunshade open signal failure (Current)	-
   Close Switch Failure (Current)	Close switch failure signal (Current)	ON or OFF	ON: Roof sunshade close signal failure (Current) OFF: No roof sunshade close signal failure (Current)	-

   Body Electrical > Sliding Roof > Data List 

   Tester Display
   Open Switch Failure (Current)
   Close Switch Failure (Current)

   Result

   Result	Proceed to
   The value of Open Switch Failure (Current) and Close Switch Failure (Current) are OFF	A
   The value of Open Switch Failure (Current) or Close Switch Failure (Current) is not OFF	B

Result: 

A 

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

Result: 

B 

See step  3

Pre-procedure1

• Disconnect the H4 sliding roof drive gear sub-assembly connector.
• Disconnect the H8 roof shade 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) 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: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  4

Refer to INSPECTION [11/2020 - ]

Result

Result: 

OK 

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

Result: 

NG 

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