Toyota Camry (XV70): Position Initialization Incomplete (B2343)
DESCRIPTION
This DTC is stored when the sliding roof ECU (sliding roof drive gear assembly) or roof sunshade ECU (sliding roof drive gear assembly) has not been initialized.
Sliding Roof|
DTC No. | Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
B2343 | Position Initialization Incomplete |
Sliding roof ECU (sliding roof drive gear assembly) has not been initialized. |
Sliding roof ECU (Sliding roof drive gear assembly) |
|
DTC No. | Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
B2343 | Position Initialization Incomplete |
Roof sunshade ECU (sliding roof drive gear assembly) has not been initialized. |
Roof sunshade ECU (Sliding roof drive gear assembly) |
WIRING DIAGRAM
Refer to DTC B2341.
Click here
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CAUTION / NOTICE / HINT
NOTICE:
- If the sliding roof ECU (sliding roof drive gear assembly) or roof sunshade ECU (sliding roof drive gear assembly) is removed and reinstalled or replaced, the sliding roof ECU (sliding roof drive gear assembly) or roof sunshade ECU (sliding roof drive gear assembly) must be initialized.
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- The panoramic moon roof system uses the LIN communication system. First, confirm that there are no malfunctions in the LIN communication system. Refer to How to Proceed with Troubleshooting.
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- DTC B2343 is stored in the sliding roof ECU (sliding roof drive gear assembly) and roof sunshade ECU (sliding roof drive gear assembly).
HINT:
If DTC B2342 and B2343 are output simultaneously, perform troubleshooting for DTC B2342 first.
PROCEDURE
|
1. | CHECK FOR DTC |
(a) Clear the DTCs.
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(b) Check for DTCs.
Click here
OK:
DTC B2343 is not output.
| OK | .gif) |
USE SIMULATION METHOD TO CHECK
|
|
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|
2. | CHECK DTC OUTPUT |
(a) Check the parts from which this DTC has been output.
|
Result | Proceed to |
|---|---|
|
DTC output from sliding roof ECU (sliding roof drive gear assembly) |
A |
| DTC output from roof sunshade ECU (sliding roof drive gear assembly) |
B |
| B | |
GO TO STEP 6 |
|
|
3. | INITIALIZE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) |
(a) Check that the sliding roof ECU (sliding roof drive gear assembly) can be initialized.
Click here
OK:
Sliding roof ECU (sliding roof drive gear assembly) can be initialized.
| NG | |
REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY)
|
|
|
4. | CHECK SLIDING ROOF OPERATION |
(a) Check the sliding roof auto operation function.
Click here
OK:
Auto operation function operates normally.
| NG | |
REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY)
|
|
|
5. | CHECK DTC OUTPUT |
(a) Clear the DTCs.
Click here
(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 ASSEMBLY)
|
|
6. | 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.
| NG | |
REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY)
|
|
|
7. | CHECK ROOF SUNSHADE OPERATION |
(a) Check the roof sunshade auto operation function.
Click here
OK:
Auto operation function operates normally.
| NG | |
REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY)
|
|
|
8. | CHECK DTC OUTPUT |
(a) Clear the DTCs.
Click here
(b) Check for DTCs.
Body Electrical > Sliding Sunshade > Trouble CodesOK:
DTC B2343 is not output.
| OK | |
END (MALFUNCTION DUE TO INITIALIZATION FAILURE) |
| NG | |
REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY)
|
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