SLIDING ROOF / CONVERTIBLE PANORAMIC MOON ROOF SYSTEM(Production Date from 2023/04) B234B49 Shade Motor Internal Electronic Failure B234E07 Shade Position Mechanical Failure
DESCRIPTION
When the roof sunshade ECU (sliding roof drive gear sub-assembly) detects a motor malfunction and the sliding roof operation is stopped, DTC B234B49 is stored.
When the roof sunshade ECU (sliding roof drive gear sub-assembly) detects a gear position malfunction and the sliding roof operation is stopped, DTC B234E07 is stored.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B234B49 | Shade Motor Internal Electronic Failure | Sensor (motor) failure (When the roof sunshade ECU (sliding roof drive gear sub-assembly) enters fail-safe mode due to a problem with the motor) | ·
Roof sunshade ECU (sliding roof drive gear sub-assembly) ·
Map light assembly ·
No. 2 roof wire ·
Harness or connector |
| B234E07 | Shade Position Mechanical Failure | Position failure (When the roof sunshade ECU (sliding roof drive gear sub-assembly) enters fail-safe mode due to a problem with the gear position) | ·
Roof sunshade ECU (sliding roof drive gear sub-assembly) ·
Map light assembly ·
No. 2 roof wire ·
Harness or connector |
WIRING DIAGRAM
CAUTION / NOTICE / HINT
- NOTICE:
- ·
When the roof sunshade ECU (sliding roof drive gear sub-assembly) is removed and reinstalled or replaced, the roof sunshade ECU (sliding roof drive gear sub-assembly) must be initialized.
·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.
PROCEDURE
Check the roof sunshade auto operation function.
- OK:
Auto operation function operates normally.
- Result:
Proceed to OK NG
OK
NG
Clear the DTCs.
- Body Electrical > Main Body > Clear DTCs
- 50002 449
- Result:
Proceed to NEXT
NEXT
Check for DTCs.
- Body Electrical > Main Body > Trouble Codes
- 50001 449
- Result:
Result Proceed to B234B49 and B234E07 are not output A B234B49 or B234E07 is output B
A
B
Check that the roof sunshade ECU (sliding roof drive gear sub-assembly) can be initialized.
- OK:
Roof sunshade ECU (sliding roof drive gear sub-assembly) can be initialized.
- Result:
Proceed to OK NG
OK
NG
Clear the DTCs.
- Body Electrical > Main Body > Clear DTCs
- 50002 449
- Result:
Proceed to NEXT
NEXT
Check for DTCs.
- Body Electrical > Main Body > Trouble Codes
- 50001 449
- Result:
Result Proceed to B234B49 and B234E07 are not output A B234B49 or B234E07 is output B
A
B
Perform the Active Test according to the display on the GTS.
- Body Electrical > Main Body > Active Test
-
Tester Display Measurement Item Control Range Diagnostic Note Fr Shade Open Roof sunshade open activate OFF/ON - Fr Shade Close Roof sunshade close activate OFF/ON -
- Body Electrical > Main Body > Active Test
-
Tester Display Fr Shade Open - 50004 449 42
- Body Electrical > Main Body > Active Test
-
Tester Display Fr Shade Close - 50004 449 43
- OK:
Roof sunshade is operated using GTS.
- Result:
Proceed to OK NG
OK
NG
Read the Data List according to the display on the GTS.
- Body Electrical > Main Body > Data List
-
Tester Display Measurement Item Range Normal Condition Diagnostic Note Shade OPEN Switch Roof sunshade open switch OFF or ON OFF: Roof sunshade open switch not pressed
ON: Roof sunshade open switch pressed- Shade CLOSE Switch Roof sunshade close switch OFF or ON OFF: Roof sunshade close switch not pressed
ON: Roof sunshade close switch pressed-
- Body Electrical > Main Body > Data List
-
Tester Display Roof UP Switch Roof DOWN Switch - 50003 449 382,383
- OK:
The GTS display changes according to switch operation as shown in the table.
- Result:
Proceed to OK NG
OK
NG
- HINT:
- Result:
Proceed to OK NG
OK
NG
Disconnect the f1 sliding roof ECU (sliding roof drive gear sub-assembly) connector.
Disconnect the f2 roof sunshade ECU (sliding roof drive gear sub-assembly) connector.
Disconnect the Tf1 No. 2 roof wire connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition f1-5 (UP) - Tf1-3 Always Below 1 Ω f1-9 (DWN) - Tf1-5 Always Below 1 Ω f1-3 (MPX2) - f2-3 (MPX2) Always Below 1 Ω f1-2 (E) - Tf1-1 Always Below 1 Ω f2-2 (E) - Tf1-1 Always Below 1 Ω f1-5 (UP) or Tf1-3 - Body ground Always 10 kΩ or higher f1-9 (DWN) or Tf1-5 - Body ground Always 10 kΩ or higher f1-3 (MPX2) or f2-3 (MPX2) - Body ground Always 10 kΩ or higher
- Result:
Proceed to OK NG
OK
NG
Disconnect the T6 map light assembly connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition T6-15 (UP) - Tf1-3 Always Below 1 Ω T6-16 (DOWN) - Tf1-5 Always Below 1 Ω T6-14 (GND) - Body ground Always Below 1 Ω Tf1-1 - Body ground Always Below 1 Ω T6-15 (UP) or Tf1-3 - Body ground Always 10 kΩ or higher T6-16 (DOWN) or Tf1-5 - Body ground Always 10 kΩ or higher
- Result:
Proceed to OK NG
OK
NG