PANORAMIC MOON 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 assembly) or roof sunshade ECU (sliding roof drive gear assembly) has not been initialized.

Sliding Roof
DTC No. Detection Item DTC Detection Condition Trouble Area
B2343 Position Initialization Incomplete Sliding roof ECU (sliding roof drive gear assembly) has not been initialized. Sliding roof ECU (Sliding roof drive gear assembly)
Sliding Sunshade
DTC No. Detection Item DTC Detection Condition Trouble Area
B2343 Position Initialization Incomplete Roof sunshade ECU (sliding roof drive gear assembly) has not been initialized. Roof sunshade ECU (Sliding roof drive gear assembly)

WIRING DIAGRAM

Refer to DTC B2341.

Click here

CAUTION / NOTICE / HINT

Note


  • If the sliding roof ECU (sliding roof drive gear assembly) or roof sunshade ECU (sliding roof drive gear assembly) is removed and reinstalled or replaced, the sliding roof ECU (sliding roof drive gear assembly) or roof sunshade ECU (sliding roof drive gear assembly) must be initialized.

    Click here

  • The panoramic moon 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

  • DTC B2343 is stored in the sliding roof ECU (sliding roof drive gear assembly) and roof sunshade ECU (sliding roof drive gear assembly).

Tech Tips

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

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs.


      Body Electrical > Sliding Roof > Clear DTCs
      Body Electrical > Sliding Sunshade > Clear DTCs

    2. Check for DTCs.


      Body Electrical > Sliding Roof > Trouble Codes
      Body Electrical > Sliding Sunshade > Trouble Codes
      OK
      DTC B2343 is not output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  2. CHECK DTC OUTPUT


    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

    B

    INITIALIZE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) Click here

    A

  3. INITIALIZE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY)


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

      Click here

      OK
      Sliding roof ECU (sliding roof drive gear assembly) can be initialized.
      Result
      Proceed to
      OK
      NG

    NG

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

    OK

  4. CHECK SLIDING ROOF OPERATION


    1. Check the sliding roof auto operation function.

      Click here

      OK
      Auto operation function operates normally.
      Result
      Proceed to
      OK
      NG

    NG

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

    OK

  5. CHECK DTC OUTPUT


    1. Clear the DTCs.


      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

    OK

    END (MALFUNCTION DUE TO INITIALIZATION FAILURE)

    NG

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

  6. INITIALIZE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY)


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

      Click here

      OK
      Roof sunshade ECU (sliding roof drive gear assembly) can be initialized.
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) Click here

    OK

  7. CHECK ROOF SUNSHADE OPERATION


    1. Check the roof sunshade auto operation function.

      Click here

      OK
      Auto operation function operates normally.
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) Click here

    OK

  8. CHECK DTC OUTPUT


    1. Clear the DTCs.


      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

    OK

    END (MALFUNCTION DUE TO INITIALIZATION FAILURE)

    NG

    REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) Click here