RM3660EC _59 Vehicle Exterior _080734 SLIDING ROOF / CONVERTIBLE _0600093 SLIDING ROOF SYSTEM(for NR Series Engine) C

SLIDING ROOF / CONVERTIBLE  SLIDING ROOF SYSTEM(for NR Series Engine)  B2341  Sensor (Motor) Failure  B2344  Position Failure  


DESCRIPTION

When the sliding roof ECU (sliding roof drive gear sub-assembly) detects a motor malfunction and the sliding roof operation is stopped, DTC B2341 is stored.

When the sliding roof ECU (sliding roof drive gear sub-assembly) 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 (The sliding roof ECU (sliding roof drive gear sub-assembly) enters fail-safe mode due to a problem with the motor)
·

Sliding roof ECU (Sliding roof drive gear sub-assembly)

·

Sliding roof switch (Map light assembly)

·

Wire harness or connector


B2344 Position Failure Position failure (The sliding roof ECU (sliding roof drive gear sub-assembly) enters fail-safe mode due to a problem with the gear position)
·

Sliding roof ECU (Sliding roof drive gear sub-assembly)

·

Sliding roof switch (Map light assembly)

·

Wire harness or connector



WIRING DIAGRAM

B454520E30
0.5,3.75 2.396,4.229 1.896,0.479 10 false Sliding Roof Switch (Map Light Assembly) 4.448,5.156 6.667,5.573 2.219,0.417 10 false Sliding Roof ECU (Sliding Roof Drive Gear Sub-assembly) 0.5,3.573 0.927,3.854 0.427,0.281 10 false T6 4.458,4.99 4.792,5.24 0.333,0.25 10 false T12 2.427,1.042 2.854,1.323 0.427,0.281 10 false 14 2.427,1.427 2.854,1.708 0.427,0.281 10 false 13 2.427,1.813 2.854,2.094 0.427,0.281 10 false 16 2.427,2.188 2.854,2.469 0.427,0.281 10 false 15 2.427,2.552 2.854,2.833 0.427,0.281 10 false 11 2.031,1.042 2.458,1.323 0.427,0.281 10 false OPN 2.052,1.427 2.479,1.708 0.427,0.281 10 false CLS 2.146,1.802 2.573,2.083 0.427,0.281 10 false UP 1.906,2.167 2.458,2.469 0.552,0.302 10 false DOWN 2.021,2.552 2.448,2.833 0.427,0.281 10 false GND 4.167,1.021 4.594,1.302 0.427,0.281 10 false 10 4.229,1.406 4.656,1.688 0.427,0.281 10 false 8 4.229,1.781 4.656,2.063 0.427,0.281 10 false 5 4.229,2.135 4.656,2.417 0.427,0.281 10 false 9 4.229,2.542 4.656,2.823 0.427,0.281 10 false 2 4.427,1.031 4.854,1.313 0.427,0.281 10 false OPN 4.417,1.781 4.844,2.063 0.427,0.281 10 false UP 4.417,1.396 4.844,1.677 0.427,0.281 10 false CLS 4.427,2.167 4.854,2.448 0.427,0.281 10 false DWN 4.427,2.542 4.854,2.823 0.427,0.281 10 false E

CAUTION / NOTICE / HINT

NOTICE:

If the sliding roof ECU (sliding roof drive gear sub-assembly) is removed and reinstalled or replaced, the sliding roof ECU (sliding roof drive gear sub-assembly) must be initialized.

Click hereVehicle Exterior>SLIDING ROOF / CONVERTIBLE>SLIDING ROOF SYSTEM (for NR Series Engine)>INITIALIZATION


PROCEDURE

1.CHECK SLIDING ROOF OPERATION
a.

Check the sliding roof auto operation.

Click hereVehicle Exterior>SLIDING ROOF / CONVERTIBLE>SLIDING ROOF SYSTEM (for NR Series Engine)>OPERATION CHECK

OK:

Auto operation operates normally.



Result:
Proceed to
OK
NG



OK

2.CHECK DTC OUTPUT

NG

3.INITIALIZE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY)
2.CHECK DTC OUTPUT
a.

Clear the DTCs.

Body Electrical > Sliding Roof > Clear DTCs
50002 147

b.

Check for DTCs.

Body Electrical > Sliding Roof > Trouble Codes
50001 147
OK:

DTCs B2341 and B2344 are not output.



Result:
Proceed to
OK
NG



OK

USE SIMULATION METHOD TO CHECK

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING


NG

REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY)

Click hereVehicle Exterior>SLIDING ROOF / CONVERTIBLE>SLIDING ROOF HOUSING>REMOVAL


3.INITIALIZE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY)
a.

Check that the sliding roof ECU (sliding roof drive gear sub-assembly) can be initialized.

Click hereVehicle Exterior>SLIDING ROOF / CONVERTIBLE>SLIDING ROOF SYSTEM (for NR Series Engine)>INITIALIZATION

OK:

Sliding roof ECU (sliding roof drive gear sub-assembly) can be initialized.



Result:
Proceed to
OK
NG



OK

4.CHECK DTC OUTPUT

NG

5.CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) - SLIDING ROOF SWITCH (MAP LIGHT ASSEMBLY) AND BODY GROUND)
4.CHECK DTC OUTPUT
a.

Clear the DTCs.

Body Electrical > Sliding Roof > Clear DTCs
50002 147

b.

Check for DTCs.

Body Electrical > Sliding Roof > Trouble Codes
50001 147
OK:

DTCs B2341 and B2344 are not output.



Result:
Proceed to
OK
NG



OK

END (MALFUNCTION DUE TO INITIALIZATION FAILURE)

NG

REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY)

Click hereVehicle Exterior>SLIDING ROOF / CONVERTIBLE>SLIDING ROOF HOUSING>REMOVAL


5.CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) - SLIDING ROOF SWITCH (MAP LIGHT ASSEMBLY) AND BODY GROUND)
a.

Disconnect the T6 sliding roof switch (map light assembly) connector.


b.

Disconnect the T12 sliding roof ECU (sliding roof drive gear sub-assembly) connector.


c.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
T12-8 (CLS) - T6-13 (CLS) Always Below 1 Ω
T12-8 (CLS) or T6-13 (CLS) - Body ground Always 10 kΩ or higher
T12-10 (OPN) - T6-14 (OPN) Always Below 1 Ω
T12-10 (OPN) or T6-14 (OPN) - Body ground Always 10 kΩ or higher
T12-9 (DWN) - T6-15 (DOWN) Always Below 1 Ω
T12-9 (DWN) or T6-15 (DOWN) - Body ground Always 10 kΩ or higher
T12-5 (UP) - T6-16 (UP) Always Below 1 Ω
T12-5 (UP) or T6-16 (UP) - Body ground Always 10 kΩ or higher
T6-11 (GND) - Body ground Always Below 1 Ω
T12-2 (E) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

6.INSPECT SLIDING ROOF SWITCH (MAP LIGHT ASSEMBLY)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR