SLIDING ROOF / CONVERTIBLE  SLIDING ROOF SYSTEM  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 (When 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 (When 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

B319551E20
4.667,4.906 6.563,5.375 1.896,0.469 10 false Sliding Roof ECU (Sliding Roof Drive Gear Sub-assembly) 4.667,4.76 5.302,4.969 0.635,0.208 10 false O16 1.479,4.438 3.031,4.875 1.552,0.438 10 false Sliding Roof Switch (Map Light Assembly) 1.479,4.26 1.823,4.49 0.344,0.229 10 false O10 5.042,2.708 5.417,2.948 0.375,0.24 10 false OPN 5.042,2.958 5.427,3.177 0.385,0.219 10 false CLS 5.042,3.708 5.458,4.052 0.417,0.344 10 false UP 5.042,3.469 5.583,3.708 0.542,0.24 10 false DWN 4.875,2.625 5.01,2.802 0.135,0.177 10 false 7 4.875,2.875 5.01,3.052 0.135,0.177 10 false 5 4.875,3.375 5.01,3.552 0.135,0.177 10 false 6 4.875,3.604 4.979,3.781 0.104,0.177 10 false 4 2.781,2.625 3.208,2.885 0.427,0.26 10 false OPN 2.802,2.875 3.156,3.115 0.354,0.24 10 false CLS 2.656,3.375 3.167,3.583 0.51,0.208 10 false DOWN 2.885,3.604 3.188,3.802 0.302,0.198 10 false UP 3.156,2.625 3.427,2.865 0.271,0.24 10 false 3 3.156,2.875 3.448,3.083 0.292,0.208 10 false 2 3.156,3.604 3.427,3.813 0.271,0.208 10 false 5 3.156,3.375 3.406,3.604 0.25,0.229 10 false 4 2.771,3.854 3.208,4.083 0.438,0.229 10 false GND 3.156,3.854 3.51,4.073 0.354,0.219 10 false 1 5.052,3.958 5.25,4.156 0.198,0.198 10 false E 4.802,3.854 5,4.031 0.198,0.177 10 false 12 1.219,1.385 2.375,1.906 1.156,0.521 10 false Main Body ECU (Multiplex Network Body ECU) 2.51,1.167 4.125,1.563 1.615,0.396 10 false Instrument Panel Junction Block Assembly 2.104,0.698 2.438,0.865 0.333,0.167 10 false LIN2 2.51,0.719 2.844,0.885 0.333,0.167 10 false MB 2.542,0.521 2.875,0.688 0.333,0.167 10 false 16 3.49,0.719 3.823,0.969 0.333,0.25 10 false 3C 3.5,0.521 3.833,0.688 0.333,0.167 10 false 23 4.823,0.552 5.156,0.719 0.333,0.167 10 false 11 5.063,0.729 5.479,0.948 0.417,0.219 10 false MPX1 0.688,5.458 2.333,5.646 1.646,0.188 10 false : LIN Communication Line

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>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>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>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.

Click hereVehicle Exterior>SLIDING ROOF / CONVERTIBLE>SLIDING ROOF SYSTEM>DTC CHECK / CLEAR

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>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.

Click hereVehicle Exterior>SLIDING ROOF / CONVERTIBLE>SLIDING ROOF SYSTEM>DTC CHECK / CLEAR

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 O10 sliding roof switch (map light assembly) connector.


b.

Disconnect the O16 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
O16-5 (CLS) - O10-2 (CLS) Always Below 1 Ω
O16-5 (CLS) or O10-2 (CLS) - Body ground Always 10 kΩ or higher
O16-7 (OPN) - O10-3 (OPN) Always Below 1 Ω
O16-7 (OPN) or O10-3 (OPN) - Body ground Always 10 kΩ or higher
O16-6 (DWN) - O10-4 (DOWN) Always Below 1 Ω
O16-6 (DWN) or O10-4 (DOWN) - Body ground Always 10 kΩ or higher
O16-4 (UP) - O10-5 (UP) Always Below 1 Ω
O16-4 (UP) or O10-5 (UP) - Body ground Always 10 kΩ or higher
O10-1 (GND) - Body ground Always Below 1 Ω
O16-12 (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

6.INSPECT SLIDING ROOF SWITCH (MAP LIGHT ASSEMBLY)
a.

Remove the sliding roof switch (map light assembly).

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


b.

Inspect the sliding roof switch (map light assembly).

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


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>REMOVAL


NG

REPLACE SLIDING ROOF SWITCH (MAP LIGHT ASSEMBLY)

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