This DTC is stored when the sliding roof ECU (sliding roof drive gear assembly [sliding roof]) has not been initialized.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B2343 | Position Initialization Incomplete | Sliding roof ECU (sliding roof drive gear assembly [sliding roof]) has not been initialized. | ·
Sliding roof ECU (sliding roof drive gear assembly [sliding roof]) ·
Harness or connector |
If the sliding roof ECU (sliding roof drive gear assembly [sliding roof]) is removed and reinstalled or replaced, the sliding roof ECU (sliding roof drive gear assembly [sliding roof]) must be initialized.
The panoramic moon roof system uses the CAN and LIN communication systems. First, confirm that there are no malfunctions in the CAN and LIN communication systems. Refer to How to Proceed with Troubleshooting.
DTC B2343 is stored in the sliding roof ECU (sliding roof drive gear assembly [sliding roof]).
If DTC B2342 and B2343 are output simultaneously, perform troubleshooting for DTC B2342 first.
Check that the sliding roof ECU (sliding roof drive gear assembly [sliding roof]) can be initialized.
Sliding roof ECU (sliding roof drive gear assembly [sliding roof]) can be initialized.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Check the panoramic moon roof auto operation.
Auto operation operates normally.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Clear the DTCs.
Check for DTCs.
DTC B2343 is not output.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Perform the Active Test according to the display on the GTS.
| Tester Display | Measurement Item | Control Range | Diagnostic Note |
|---|---|---|---|
| Slide Roof | Operate sliding motor | OFF / Opn/Dwn / Clos/Up | - |
| Tester Display |
|---|
| Slide Roof |
Slide roof is operated using GTS.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Read the Data List according to the display on the GTS
| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Roof Open Switch | OPEN switch signal | OFF or ON | OFF: Slide switch (OPEN) on the slide switch not pressed
ON: Slide switch (OPEN) on the slide switch pressed |
- |
| Roof Close Switch | CLOSE switch signal | OFF or ON | OFF: Slide switch (CLOSE) on the slide switch not pressed
ON: Slide switch (CLOSE) on the slide switch pressed |
- |
| Tester Display |
|---|
| Roof Open Switch |
| Roof Close Switch |
The GTS display changes according to switch operation as shown in the table.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Remove the map light sub-assembly.
Inspect the map light sub-assembly.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Disconnect the P4 sliding roof ECU (sliding roof drive gear assembly [sliding roof]) connector.
Disconnect the P24 map light sub-assembly connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| P4-4 (TILT) - P24-21 (B) | Always | Below 1 Ω |
| P4-5 (UP) - P24-20 (UP) | Always | Below 1 Ω |
| P4-8 (CLS) - P24-17 (CLS) | Always | Below 1 Ω |
| P4-9 (DWN) - P24-19 (DOWN) | Always | Below 1 Ω |
| P4-10 (OPN) - P24-18 (OPN) | Always | Below 1 Ω |
| P4-2 (E) - Body ground | Always | Below 1 Ω |
| P24-13 (GND) - Body ground | Always | Below 1 Ω |
| P4-4 (TILT) or P24-21 (B) - Body ground | Always | 10 kΩ or higher |
| P4-5 (UP) or P24-20 (UP) - Body ground | Always | 10 kΩ or higher |
| P4-8 (CLS) or P24-17 (CLS) - Body ground | Always | 10 kΩ or higher |
| P4-9 (DWN) or P24-19 (DOWN) - Body ground | Always | 10 kΩ or higher |
| P4-10 (OPN) - P24-18 (OPN) - Body ground | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG