SLIDING ROOF SYSTEM, Diagnostic DTC:B2343

DTC Code DTC Name
B2343 Position Initialization Incomplete

DESCRIPTION

This DTC is stored when the sliding roof ECU (sliding roof drive gear sub-assembly) has not been initialized.

DTC No. DTC Detection Condition Trouble Area
B2343 Sliding roof ECU (sliding roof drive gear sub-assembly) has not been initialized. Sliding roof ECU (Sliding roof drive gear sub-assembly)

WIRING DIAGRAM

Refer to DTC B2341 Click here.

INSPECTION PROCEDURE

Note


  • When DTC B2342 and B2343 are output simultaneously, perform troubleshooting for DTC B2342 first.

  • When the sliding roof ECU (sliding roof drive gear sub-assembly) is removed and reinstalled or replaced, the sliding roof ECU (sliding roof drive gear sub-assembly) must be initialized Click here.

  • The sliding roof system uses the CAN and LIN communication systems. First, confirm that there are no malfunctions in the CAN and LIN communication systems. Refer to How to Proceed with Troubleshooting Click here.

PROCEDURE


  1. INITIALIZE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY)


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

      OK
      Sliding roof ECU (sliding roof drive gear sub-assembly) can be initialized.
      Result
      Result Proceed to
      OK A
      NG (for Standard) B
      NG (for Glass Roof) C

    B

    REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) Click here

    C

    REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) Click here

    A

  2. CHECK SLIDING ROOF OPERATION


    1. Check the sliding roof auto operation Click here.

      OK
      Auto operation operates normally.
      Result
      Result Proceed to
      OK A
      NG (for Standard) B
      NG (for Glass Roof) C

    B

    REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) Click here

    C

    REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) Click here

    A

  3. CHECK DTC OUTPUT


    1. Clear the DTCs Click here.

    2. Recheck for DTCs.

      OK
      DTC B2343 is not output.
      Result
      Result Proceed to
      OK A
      NG (for Standard) B
      NG (for Glass Roof) C

    B

    REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) Click here

    C

    REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) Click here

    A

    END (PROBLEM DUE TO INITIALIZATION FAILURE)