When the sliding roof ECU (sliding roof drive gear assembly [sliding roof]) detects a motor malfunction and the sliding roof operation is stopped, DTC B2341 is stored.
When the sliding roof ECU (sliding roof drive gear assembly [sliding roof]) detects a gear position malfunction and the sliding roof operation is stopped, DTC B2344 is stored.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B2341 | Sensor (Motor) Failure | Sensor (motor) failure (When the sliding roof ECU (sliding roof drive gear assembly [sliding roof]) enters fail-safe mode due to a problem with the motor) | ·
Sliding roof ECU (sliding roof drive gear assembly [sliding roof]) ·
Map light sub-assembly ·
Harness or connector |
| B2344 | Position Failure | Position failure (When the sliding roof ECU (sliding roof drive gear assembly [sliding roof]) enters fail-safe mode due to a problem with the gear position) | ·
Sliding roof ECU (sliding roof drive gear assembly [sliding roof]) ·
Map light sub-assembly ·
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.
DTCs B2341 and B2344 are stored in the sliding roof ECU (sliding roof drive gear assembly [sliding roof]).
Check the panoramic moon roof auto operation.
Auto operation operates normally.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Clear the DTCs.
Check for DTCs.
DTCs B2341 and B2344 are not output.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
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
Clear the DTCs.
Check for DTCs.
DTCs B2341 and B2344 are 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 |
|---|---|---|---|---|
| Vent Switch | TILT switch signal | OFF or ON | OFF: Tilt switch (UP/DOWN) on the tilt switch not pressed
ON: Tilt switch (UP/DOWN) on the tilt switch pressed |
- |
| 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 |
|---|
| Vent Switch |
| 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