Lexus ES: Position Initialization Incomplete (B2343)
DESCRIPTION
This DTC is stored when the sliding roof ECU (sliding roof drive gear sub-assembly) has not been initialized.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B2343 | Position Initialization Incomplete | 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 .gif)
CAUTION / NOTICE / HINT
NOTICE:
-
If 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
HINT:
When DTC B2342 and B2343 are output simultaneously, perform troubleshooting for DTC B2342 first.
PROCEDURE
| 1. | INITIALIZE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) |
(a) 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.
| NG | .gif) | REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) |
|
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| 2. | CHECK SLIDING ROOF OPERATION |
(a) Check the sliding roof auto operation.
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OK:
Auto operation operates normally.
| NG | | REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) |
|
| 3. | CHECK DTC OUTPUT |
(a) Clear the DTCs.
Body Electrical > Sliding Roof > Clear DTCs(b) Check for DTCs.
Body Electrical > Sliding Roof > Trouble CodesOK:
DTC B2343 is not output.
| OK | | END (MALFUNCTION DUE TO INITIALIZATION FAILURE) |
| NG | | REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) |
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Installation
INSTALLATION CAUTION / NOTICE / HINT HINT: for Side:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
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