This DTC is stored when the sliding roof ECU (sliding roof drive gear 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 assembly) has not been initialized | Sliding roof ECU (Sliding roof drive gear assembly) |
If the sliding roof ECU (sliding roof drive gear assembly) is removed and reinstalled or replaced, the sliding roof ECU (sliding roof drive gear assembly) must be initialized.
When DTC B2342 and B2343 are output simultaneously, perform troubleshooting for DTC B2342 first.
Check that the sliding roof ECU (sliding roof drive gear assembly) can be initialized.
Sliding roof ECU (sliding roof drive gear assembly) can be initialized.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Check the sliding 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 roof 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 |
|---|---|---|---|---|
| Open Switch | OPEN switch signal | OFF or ON | OFF: OPEN switch on the slide switch not pressed
ON: OPEN switch on the slide switch pressed |
- |
| Close Switch | CLOSE switch signal | OFF or ON | OFF: CLOSE switch on the slide switch not pressed
ON: CLOSE switch on the slide switch pressed |
- |
| Tester Display |
|---|
| Open Switch |
| 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 (slide/tilt switch).
Inspect the map light sub-assembly (slide/tilt switch).
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Disconnect the P24 map light sub-assembly (slide/tilt switch) connector.
Disconnect the P4 sliding roof ECU (sliding roof drive gear assembly) connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 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 |
| P4-5 (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) or P24-18 (OPN) - Body ground | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG