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.
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) |
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Chassis
CHASSIS
INSPECT STEERING LINKAGE AND GEAR HOUSING
(a) Inspect the steering wheel free play.
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(b) Inspect the steering linkage for looseness or damage.
(1) Check that the tie rod ends do not have any play.
(2) Check that the dust seals and boots are not damaged.
(3) Check that the
Power (ignition) switch
Performing the following operations
when carrying the electronic
key on your person starts the hybrid
system or changes power switch
modes.
Starting the hybrid system
1. Press the parking brake switch to
check that the parking brake is set.
Parking brake indicator will come on.
2. Check
