B2343

SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SYSTEM: B2343: Position Initialization Incomplete
B2343 - Position Initialization Incomplete

DESCRIPTION

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





WIRING DIAGRAM

Refer to DTC B2341 B2341.

INSPECTION PROCEDURE

NOTICE:
* When DTC B2342 and B2343 are output simultaneously, perform troubleshooting for DTC B2342 first.
* When the sliding roof ECU (sliding roof drive gear assembly) is removed and reinstalled or replaced, it requires initialization Programming and Relearning.
* 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 the How to Proceed with Troubleshooting procedure How To Proceed With Troubleshooting.

PROCEDURE

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

(a) Check that the sliding roof ECU (sliding roof drive gear assembly) can be initialized Programming and Relearning.

OK:

Sliding roof ECU (sliding roof drive gear assembly) can be initialized.

NG -- REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) Removal
OK -- Continue to next step.

2. CHECK SLIDING ROOF OPERATION

(a) Check the sliding roof auto operation Operation Check.

OK:

Auto operation operates normally.

NG -- REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) Removal
OK -- Continue to next step.

3. CHECK DTC OUTPUT

(a) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.

(b) Recheck for DTCs.

OK:

DTC B2343 is not output.

NG -- REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) Removal

OK -- END (PROBLEM DUE TO INITIALIZATION FAILURE)