SLIDING ROOF / CONVERTIBLE PANORAMIC FIXED MOONROOF WITH ONE-TOUCH FROSTED GLASS CONTROL SYSTEM B234B Motor Failure (Rr Shade) B234E Position Failure (Rr Shade)
DESCRIPTION
When the roof sunshade ECU (sliding roof drive gear sub-assembly) detects a motor malfunction and the roof sunshade operation is stopped, DTC B234B is stored.
When the roof sunshade ECU (sliding roof drive gear sub-assembly) detects a gear position malfunction and the roof sunshade operation is stopped, DTC B234E is stored.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
|---|---|---|---|---|
| B234B | Motor Failure (Rr Shade) | Sensor (motor) failure (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) ·
Roof sunshade switch (Map light assembly) ·
Wire harness or connector |
Sliding Roof |
| B234E | Position Failure (Rr Shade) | Position failure (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) ·
Roof sunshade switch (Map light assembly) ·
Wire harness or connector |
Sliding Roof |
WIRING DIAGRAM
CAUTION / NOTICE / HINT
- NOTICE:
- ·
The panoramic fixed moonroof with one-touch frosted glass control 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.
·If 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.
PROCEDURE
Check the roof sunshade auto operation.
- OK:
Auto operation operates normally.
- Result:
Proceed to OK NG
OK
NG
Clear the DTCs.
- Body Electrical > Sliding Roof > Clear DTCs
- 50002 147
- Result:
Proceed to NEXT
NEXT
Check for DTCs.
- Body Electrical > Sliding Roof > Trouble Codes
- 50001 147
- Result:
Result Proceed to B234B and B234E are not output A B234B or B234E 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 > Sliding Roof > Clear DTCs
- 50002 147
- Result:
Proceed to NEXT
NEXT
Clear the DTCs.
- Body Electrical > Sliding Roof > Clear DTCs
- 50002 147
Check for DTCs.
- Body Electrical > Sliding Roof > Trouble Codes
- 50001 147
- Result:
Result Proceed to B2341 and B2344 are not output A B2341 or B2344 is output B
A
B
Pre-procedure1
Disconnect the Q9 roof sunshade switch (map light assembly) connector.
Disconnect the Q2 roof sunshade ECU (sliding roof drive gear sub-assembly) connector.
Procedure1
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition Click Location & Routing(Q2,Q9)Location & Routingewd_type=routing;type=c,c;code=Q2,Q9
Click Connector(Q2)Body>Roof Wire>Roof Sunshade Control ECU (Sliding Roof Drive Gear Assembly)ewd_type=component;type=c;code=Q2;pinno=1,6,5
Click Connector(Q9)Body>Roof Wire>Map Light Assemblyewd_type=component;type=c;code=Q9;pinno=35,12,18
Q2-1 (CLS) - Q9-35 (CLS) Always Below 1 Ω Q2-1 (CLS) or Q9-35 (CLS) - Body ground Always 10 kΩ or higher Q2-6 (OPN) - Q9-12 (OPN) Always Below 1 Ω Q2-6 (OPN) or Q9-12 (OPN) - Body ground Always 10 kΩ or higher Q9-18 (GND) - Body ground Always Below 1 Ω Q2-5 (E) - Body ground Always Below 1 Ω
- Result:
Proceed to OK NG
Post-procedure1
None
OK
NG
- Result:
Proceed to OK NG
OK
NG