Lexus ES: Position Initialization Incomplete (Fr Shade) (B2348)
DESCRIPTION
This DTC is stored when the roof sunshade ECU (sliding roof drive gear assembly) has not been initialized.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
B2348 | Position Initialization Incomplete (Fr Shade) | Roof sunshade ECU (sliding roof drive gear assembly) has not been initialized. | -
Roof sunshade ECU (Sliding roof drive gear assembly)
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Panoramic moon roof switch (Map light sub-assembly)
-
Wire harness or connector
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
-
When the roof sunshade ECU (sliding roof drive gear assembly) is removed and reinstalled or replaced, the roof sunshade ECU (sliding roof drive gear assembly) must be initialized.
Click here
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The panoramic moon roof system uses the CAN and LIN communication system. First, confirm that there are no malfunctions in the CAN and LIN communication system. Refer to How to Proceed with Troubleshooting.
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HINT:
When DTC B2342 and B2348 are output simultaneously, perform troubleshooting for DTC B2342 first.
PROCEDURE
1. | INITIALIZE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) |
(a) 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.
OK | | |
2. | CHECK ROOF SUNSHADE OPERATION |
(a) Check the roof sunshade auto operation function.
Click here
OK:
Auto operation function operates normally.
OK | | |
(a) Clear the DTCs.
Body Electrical > Sliding Roof > Clear DTCs
(b) Check for DTCs.
Body Electrical > Sliding Roof > Trouble Codes
OK:
DTC B2343 is not output.
OK | | END (MALFUNCTION DUE TO INITIALIZATION FAILURE) |
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