RM36D0EC _59 Vehicle Exterior _083108 SLIDING ROOF / CONVERTIBLE _0402649 PANORAMIC MOON ROOF SYSTEM(for Gasoline Model) C

SLIDING ROOF / CONVERTIBLE  PANORAMIC MOON ROOF SYSTEM(for Gasoline Model)  B2348  Position Initialization Incomplete (Fr Shade)  


DESCRIPTION

This DTC is stored when the roof sunshade ECU (sliding roof drive gear assembly [roof sunshade]) has not been initialized.

DTC No. Detection Item DTC Detection Condition Trouble Area
B2348 Position Initialization Incomplete (Fr Shade) Roof sunshade ECU (sliding roof drive gear assembly [roof sunshade]) has not been initialized.
·

Roof sunshade ECU (sliding roof drive gear assembly [roof sunshade])

·

Map light sub-assembly

·

Harness or connector



WIRING DIAGRAM

B538116E37
1.094,2.906 1.552,3.104 0.458,0.198 10 false P24 1.094,3.115 2.667,3.385 1.573,0.271 10 false Map Light Sub-assembly 1.51,2.042 2.49,2.427 0.979,0.385 10 false Roof Sunshade Switch 0.833,1.375 1.292,1.573 0.458,0.198 10 false GND 0.573,1.365 0.885,1.563 0.313,0.198 10 false 13 1.76,1.104 2.375,1.302 0.615,0.198 10 false OPEN 1.75,1.646 2.521,1.844 0.771,0.198 10 false CLOSE 2.719,0.833 3.031,1.031 0.313,0.198 10 false UP 2.49,1.354 3.104,1.552 0.615,0.198 10 false DOWN 3.052,0.833 3.365,1.031 0.313,0.198 10 false 20 3.052,1.365 3.365,1.563 0.313,0.198 10 false 19 3.833,0.833 3.99,1.031 0.156,0.198 10 false 5 3.833,1.365 3.99,1.563 0.156,0.198 10 false 9 4.063,0.833 4.375,1.031 0.313,0.198 10 false UP 4.063,1.365 4.521,1.563 0.458,0.198 10 false DWN 3.833,1.781 3.99,1.979 0.156,0.198 10 false 2 4.063,1.771 4.219,1.969 0.156,0.198 10 false E 5.042,1.469 5.5,1.667 0.458,0.198 10 false ECU 6.188,1.323 6.802,1.521 0.615,0.198 10 false MPX2 6.698,1.323 6.854,1.521 0.156,0.198 10 false 3 4.896,5.094 5.354,5.292 0.458,0.198 10 false ECU 4.677,2.51 5.792,2.75 1.115,0.24 10 false Sliding Roof ECU 4.281,3.042 4.594,3.24 0.313,0.198 10 false P4 4.271,3.208 6.354,3.646 2.083,0.438 10 false Sliding Roof Drive Gear Assembly (Sliding Roof) 0.677,7.354 2.323,7.604 1.646,0.25 10 false : LIN Communication Line 4.5,6.323 4.656,6.521 0.156,0.198 10 false A 4.5,6.49 5.823,6.708 1.323,0.219 10 false Roof Sunshade ECU 4.354,7.01 6.438,7.396 2.083,0.385 10 false Sliding Roof Drive Gear Assembly (Roof Sunshade) 5.917,5.646 6.563,6.052 0.646,0.406 10 false Sunshade Motor 5.479,4.198 6.094,4.396 0.615,0.198 10 false LLIN 5.938,4.198 6.094,4.396 0.156,0.198 10 false 3 4.448,5.573 4.604,5.771 0.156,0.198 10 false E 4.25,5.573 4.406,5.771 0.156,0.198 10 false 2

CAUTION / NOTICE / HINT

NOTICE:
·

When the roof sunshade ECU (sliding roof drive gear assembly [roof sunshade]) is removed and reinstalled or replaced, the roof sunshade ECU (sliding roof drive gear assembly [roof sunshade]) must be initialized.

Click hereVehicle Exterior>SLIDING ROOF / CONVERTIBLE>PANORAMIC MOON ROOF SYSTEM (for Gasoline Model)>INITIALIZATION

·

The panoramic moon roof system uses the CAN and LIN communication systems. First, confirm that there are no malfunctions in the CAN and LIN communication systems. Refer to How to Proceed with Troubleshooting.

Click hereVehicle Exterior>SLIDING ROOF / CONVERTIBLE>PANORAMIC MOON ROOF SYSTEM (for Gasoline Model)>HOW TO PROCEED WITH TROUBLESHOOTING



HINT:

When DTC B2342 and B2348 are output simultaneously, perform troubleshooting for DTC B2342 first.


PROCEDURE

1.INITIALIZE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY [ROOF SUNSHADE])
a.

Check that the roof sunshade ECU (sliding roof drive gear assembly [roof sunshade]) can be initialized.

Click hereVehicle Exterior>SLIDING ROOF / CONVERTIBLE>PANORAMIC MOON ROOF SYSTEM (for Gasoline Model)>INITIALIZATION

OK:

Roof sunshade ECU (sliding roof drive gear assembly [roof sunshade]) can be initialized.



Result:
Proceed to
OK
NG



OK

2.CHECK ROOF SUNSHADE OPERATION

NG

4.PERFORM ACTIVE TEST USING GTS (Front Sliding Sunshade)
2.CHECK ROOF SUNSHADE OPERATION
a.

Check the roof sunshade auto operation function.

Click hereVehicle Exterior>SLIDING ROOF / CONVERTIBLE>PANORAMIC MOON ROOF SYSTEM (for Gasoline Model)>OPERATION CHECK

OK:

Auto operation function operates normally.



Result:
Proceed to
OK
NG



OK

3.CHECK DTC OUTPUT

NG

3.CHECK DTC OUTPUT

b.

Check for DTCs.

Click hereVehicle Exterior>SLIDING ROOF / CONVERTIBLE>PANORAMIC MOON ROOF SYSTEM (for Gasoline Model)>DTC CHECK / CLEAR

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

DTC B2348 is not output.



Result:
Proceed to
OK
NG



OK

END (MALFUNCTION DUE TO INITIALIZATION FAILURE)

NG

4.PERFORM ACTIVE TEST USING GTS (Front Sliding Sunshade)
a.

Perform the Active Test according to the display on the GTS.

Click hereVehicle Exterior>SLIDING ROOF / CONVERTIBLE>PANORAMIC MOON ROOF SYSTEM (for Gasoline Model)>DATA LIST / ACTIVE TEST

Body Electrical > Sliding Roof > Active Test
Tester Display Measurement Item Control Range Diagnostic Note
Front Sliding Sunshade Operate sunshade motor OFF / Open / Close -
Body Electrical > Sliding Roof > Active Test
Tester Display
Front Sliding Sunshade
50004 147 3
OK:

Roof sunshade is operated using the GTS.



Result:
Proceed to
OK
NG



OK

5.READ VALUE USING GTS (Shade Close Switch, Shade Open Switch)

NG

5.READ VALUE USING GTS (Shade Close Switch, Shade Open Switch)
a.

Using the GTS, read the Data List.

Click hereVehicle Exterior>SLIDING ROOF / CONVERTIBLE>PANORAMIC MOON ROOF SYSTEM (for Gasoline Model)>DATA LIST / ACTIVE TEST

Body Electrical > Sliding Roof > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Shade Close Switch Sunshade close switch signal ON or OFF OFF: Roof sunshade switch (close) not pressed
ON: Roof sunshade switch (open) pressed
-
Shade Open Switch Roof sunshade open switch signal ON or OFF OFF: Roof sunshade switch (open) not pressed
ON: Roof sunshade (open) switch pressed
-
Body Electrical > Sliding Roof > Data List
Tester Display
Shade Close Switch
Shade Open Switch
50003 147 47,48
OK:

The GTS display changes according to switch operation as shown in the table.



Result:
Proceed to
OK
NG



OK

NG

6.INSPECT MAP LIGHT SUB-ASSEMBLY
6.INSPECT MAP LIGHT SUB-ASSEMBLY

OK

7.CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU [SLIDING ROOF DRIVE GEAR ASSEMBLY (SLIDING ROOF)] - MAP LIGHT SUB-ASSEMBLY AND BODY GROUND)

NG

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

Disconnect the P24 map light sub-assembly connector.


b.

Disconnect the P4 sliding roof ECU (sliding roof drive gear assembly [sliding roof]) connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
P4-9 (DWN) - P24-19 (DOWN) Always Below 1 Ω
P4-5 (UP) - P24-20 (UP) Always Below 1 Ω
P4-2 (E) - Body ground Always Below 1 Ω
P24-13 (GND) - Body ground Always Below 1 Ω
P4-9 (DWN) or P24-19 (DOWN) - Body ground Always 10 kΩ or higher
P4-5 (UP) or P24-20 (UP) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR