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) |
|
.gif)
| 2. | CHECK SLIDING ROOF OPERATION |
(a) Check the sliding roof auto operation.
Click here
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) |
READ NEXT:
Remote Control System does not Operate
DESCRIPTION The main body ECU (multiplex network body ECU) receives remote control signals from the driver door key cylinder or electrical key transmitter sub-assembly. Then, the main body ECU (multip
Key-off Operation Function Operates even if Operating Conditions are not Satisfied
DESCRIPTION The sliding roof ECU (sliding roof drive gear sub-assembly) operates its built-in motor according to the sliding roof switch (map light sub-assembly) operation. Using the sliding roof swit
Sliding Roof does not Move by Operating Sliding Roof Control Switch
DESCRIPTION The sliding roof ECU (sliding roof drive gear sub-assembly) receives slide and tilt signals and operates its built-in motor when the sliding roof switch (map light sub-assembly) is operate
SEE MORE:
Voice Guidance does not Function
WIRING DIAGRAM PROCEDURE 1. CHECK VOICE GUIDANCE SETTING (a) Check that the voice guidance settings are not off. OK: Voice guidance settings are not off. NG CHANGE VOICE GUIDANCE SETTINGS TO ON
OK 2. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NA
Parts Location
PARTS LOCATION ILLUSTRATION *1 INNER REAR VIEW MIRROR ASSEMBLY - GARAGE DOOR OPENER *2 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - ECU-B NO. 2 FUSE - ECU-IG1 NO. 3 FUSE *3 MAP LIGHT ASSEMBLY - -
