RM3660EC _59 Vehicle Exterior _080734 SLIDING ROOF / CONVERTIBLE _0600094 SLIDING ROOF SYSTEM(except NR Series Engine) C

SLIDING ROOF / CONVERTIBLE  SLIDING ROOF SYSTEM(except NR Series Engine)  B234149  Sliding Roof Motor Internal Electronic Failure  B234407  Sliding Roof Position Mechanical 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 B234149 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 B234407 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from
B234149 Sliding Roof Motor Internal Electronic 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


Main Body
B234407 Sliding Roof Position Mechanical 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


Main Body

WIRING DIAGRAM

B669525E07
0.792,6.302 4.458,6.5 3.667,0.198 10 false : LIN Communication Line 5.125,2.656 5.573,3 0.448,0.344 10 false ECU 4.333,2.125 4.781,2.469 0.448,0.344 10 false OPN 4.333,2.521 4.781,2.865 0.448,0.344 10 false CLS 4.344,3.375 4.792,3.719 0.448,0.344 10 false UP 4.344,3.781 4.792,4.125 0.448,0.344 10 false DWN 4.354,4.365 4.802,4.708 0.448,0.344 10 false E 4.073,2.115 4.521,2.458 0.448,0.344 10 false 10 4.135,2.531 4.583,2.875 0.448,0.344 10 false 8 4.125,3.375 4.573,3.719 0.448,0.344 10 false 5 4.135,3.781 4.583,4.125 0.448,0.344 10 false 9 4.156,4.365 4.604,4.708 0.448,0.344 10 false 2 2.146,4.354 2.594,4.698 0.448,0.344 10 false 14 2.146,3.375 2.594,3.719 0.448,0.344 10 false 15 2.146,2.51 2.594,2.854 0.448,0.344 10 false 17 2.146,3.781 2.594,4.125 0.448,0.344 10 false 16 2.167,2.094 2.615,2.438 0.448,0.344 10 false 5 1.75,2.104 2.198,2.448 0.448,0.344 10 false OPN 1.781,2.51 2.229,2.854 0.448,0.344 10 false CLS 1.844,3.396 2.292,3.74 0.448,0.344 10 false UP 1.615,3.792 2.063,4.135 0.448,0.344 10 false DOWN 1.74,4.344 2.188,4.688 0.448,0.344 10 false GND 0.875,2.375 1.479,2.719 0.604,0.344 10 false OPEN 0.833,2.781 1.542,3.167 0.708,0.385 10 false CLOSE 0.698,3.063 1.719,3.396 1.021,0.333 10 false Slide Switch 0.958,3.625 1.406,3.969 0.448,0.344 10 false UP 0.833,4.031 1.573,4.344 0.74,0.313 10 false DOWN 0.76,4.323 1.719,4.677 0.958,0.354 10 false Tilt Switch 0.594,4.938 1.042,5.281 0.448,0.344 10 false T6 0.375,1.021 2.021,1.51 1.646,0.49 10 false Main Body ECU (Multiplex Network Body ECU) 4.458,4.927 4.906,5.271 0.448,0.344 10 false T12 4.458,5.104 6.698,5.479 2.24,0.375 10 false Sliding Roof ECU (Sliding Roof Drive Gear Sub-assembly) 0.594,5.104 2.458,5.625 1.865,0.521 10 false Map Light Assembly

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 (except NR Series Engine)>INITIALIZATION

·

The sliding 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.

Click hereVehicle Exterior>SLIDING ROOF / CONVERTIBLE>SLIDING ROOF SYSTEM (except NR Series Engine)>HOW TO PROCEED WITH TROUBLESHOOTING



PROCEDURE

1.CHECK SLIDING ROOF OPERATION
a.

Check the sliding roof auto operation.

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

OK:

Auto operation operates normally.



Result:
Proceed to
OK
NG



OK

2.CLEAR DTC

NG

4.INITIALIZE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY)
2.CLEAR DTC
a.

Clear the DTCs.

Body Electrical > Main Body > Clear DTCs
50002 449

Result:
Proceed to
NEXT



NEXT

3.CHECK FOR DTC
3.CHECK FOR DTC
a.

Check for DTCs.

Body Electrical > Main Body > Trouble Codes
50001 449

Result:
Result Proceed to
B234149 and B234407 are not output A
B234149 or B234407 is output B



A

USE SIMULATION METHOD TO CHECK

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


B

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

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


4.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 (except NR Series Engine)>INITIALIZATION

OK:

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



Result:
Proceed to
OK
NG



OK

5.CLEAR DTC

NG

7.INSPECT SLIDING ROOF SWITCH (MAP LIGHT ASSEMBLY)
5.CLEAR DTC
a.

Clear the DTCs.

Body Electrical > Main Body > Clear DTCs
50002 449

Result:
Proceed to
NEXT



NEXT

6.CHECK FOR DTC
6.CHECK FOR DTC
a.

Check for DTCs.

Body Electrical > Main Body > Trouble Codes
50001 449

Result:
Result Proceed to
B234149 and B234407 are not output A
B234149 or B234407 is output B



A

END (MALFUNCTION DUE TO INITIALIZATION FAILURE)

B

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

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


7.INSPECT SLIDING ROOF SWITCH (MAP LIGHT ASSEMBLY)

Click hereVehicle Exterior>SLIDING ROOF / CONVERTIBLE>SLIDING ROOF SWITCH ASSEMBLY>INSPECTION

Result:
Proceed to
OK
NG



OK

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

NG

REPLACE SLIDING ROOF SWITCH (MAP LIGHT ASSEMBLY)

Click hereVehicle Exterior>SLIDING ROOF / CONVERTIBLE>SLIDING ROOF SWITCH ASSEMBLY>REMOVAL


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


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
T12-10 (OPN) - T6-5 (OPN) Always Below 1 Ω
T12-8 (CLS) - T6-17 (CLS) Always Below 1 Ω
T12-5 (UP) - T6-15 (UP) Always Below 1 Ω
T12-9 (DWN) - T6-16 (DOWN) Always Below 1 Ω
T12-2 (E) - Body ground Always Below 1 Ω
T6-14 (GND) - Body ground Always Below 1 Ω
T12-10 (OPN) or T6-5 (OPN) - Body ground Always 10 kΩ or higher
T12-8 (CLS) or T6-17 (CLS) - Body ground Always 10 kΩ or higher
T12-5 (UP) or T6-15 (UP) - Body ground Always 10 kΩ or higher
T12-9 (DWN) or T6-16 (DOWN) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

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

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


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR