RM38T0EC _59 Vehicle Exterior _115107 WINDOW / GLASS _0583893 POWER WINDOW CONTROL SYSTEM(Production Date from 2023/04) C

WINDOW / GLASS  POWER WINDOW CONTROL SYSTEM(Production Date from 2023/04)  B231D96  D-Door P/W Motor Component Internal Failure   


DESCRIPTION

The main body ECU (multiplex network body ECU) communicates with the multiplex network master switch assembly and power window regulator motor assembly (for driver door) via LIN communication.

This DTC is stored when a power window regulator motor assembly (for driver door) is malfunctioning, or the ECU built into the power window regulator motor assembly (for driver door) determines that the fully closed power window position has deviated approximately 20 mm (0.787 in.) or more from the normal position.

DTC No. Detection Item DTC Detection Condition Trouble Area
B231D96 D-Door P/W Motor Component Internal Failure
Either condition is met:
1.

Power window regulator motor assembly (for driver door) is malfunctioning

2.

ECU in power window regulator motor assembly (for driver door) determines that fully closed power window position has deviated approx. 20 mm (0.787 in.) or more from normal position


·

Incorrect installation of power window components

·

Overheated power window regulator motor assembly (for driver door)

·

Power window regulator motor assembly (for driver door)

·

Harness or connector



WIRING DIAGRAM

E497645E03
5.323,4.906 5.938,5.104 0.615,0.198 10 false IC 5.813,4.354 6.271,4.552 0.458,0.198 10 false 5 V 5.74,3.76 6.354,3.958 0.615,0.198 10 false 12 V 5.75,3.052 6.063,3.25 0.313,0.198 10 false +B 4.615,7.521 4.927,7.719 0.313,0.198 10 false L7 4.625,7.688 6.281,8.052 1.656,0.365 10 false Multiplex Network Master Switch Assembly 0.99,7.521 1.302,7.719 0.313,0.198 10 false L2 0.99,7.698 2.99,8.156 2,0.458 10 false Power Window Regulator Motor Assembly (for Driver Door) 0.844,3.156 2.573,3.427 1.729,0.271 10 false from Auxiliary Battery 2.74,3.333 3.896,3.625 1.156,0.292 10 false ECU-B NO. 2 2.813,4.146 3.583,4.344 0.771,0.198 10 false DOOR F/L 5.865,6.938 6.323,7.135 0.458,0.198 10 false GND 2.365,6.781 2.823,6.979 0.458,0.198 10 false GND 6.271,6.823 6.583,7.021 0.313,0.198 10 false 12 1.302,6.031 1.615,6.229 0.313,0.198 10 false IC 1.292,6.323 1.604,6.521 0.313,0.198 10 false IC 0.708,8.427 2.583,8.646 1.875,0.219 10 false : LIN Communication Line 4.719,3.083 4.875,3.281 0.156,0.198 10 false B 2.531,4.917 2.688,5.115 0.156,0.198 10 false B 2.458,5.865 2.771,6.063 0.313,0.198 10 false UP 2.219,6.385 2.833,6.583 0.615,0.198 10 false DOWN 4.719,5.979 5.031,6.177 0.313,0.198 10 false UP 4.719,6.49 5.333,6.688 0.615,0.198 10 false DOWN 2.792,4.917 2.948,5.115 0.156,0.198 10 false 2 2.771,5.854 3.083,6.052 0.313,0.198 10 false 10 2.792,6.365 2.948,6.563 0.156,0.198 10 false 7 2.781,6.813 2.938,7.01 0.156,0.198 10 false 1 4.448,5.854 4.76,6.052 0.313,0.198 10 false 20 4.438,6.365 4.75,6.563 0.313,0.198 10 false 15 1.021,1.969 2.667,2.385 1.646,0.417 10 false Main Body ECU (Multiplex Network Body ECU) 4.448,3.073 4.656,3.292 0.208,0.219 10 false 11 0.844,3.958 2.344,4.188 1.5,0.229 10 false from Auxiliary Battery

CAUTION / NOTICE / HINT

NOTICE:
·

Inspect the fuses for circuits related to this system before performing the following procedure.

·

If a power window regulator motor assembly (for driver door) has been replaced with a new one, initialize the power window control system.

Click hereVehicle Exterior>WINDOW / GLASS>POWER WINDOW CONTROL SYSTEM (Production Date from 2023/04)>INITIALIZATION

·

If a power window regulator motor assembly (for driver door) and door window regulator sub-assembly have been removed and installed, or if a power window regulator motor assembly (for driver door) was reused when a door glass or door glass run was replaced, initialize the power window control system.

Click hereVehicle Exterior>WINDOW / GLASS>POWER WINDOW CONTROL SYSTEM (Production Date from 2023/04)>INITIALIZATION

·

The power window control system uses the LIN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the power window control system after confirming that the communication system is functioning properly.

Click hereVehicle Exterior>WINDOW / GLASS>POWER WINDOW CONTROL SYSTEM (Production Date from 2023/04)>HOW TO PROCEED WITH TROUBLESHOOTING



PROCEDURE

1.CHECK DRIVER DOOR POWER WINDOW OPERATION
a.

Operate the multiplex network master switch assembly and check that the driver door power window operates normally.


Result:
Result Proceed to
OK (Operates normally) A
NG (Although it operates, the deviation from the fully closed position is approximately 20 mm or more.) B
NG (Does not operate at all.) C



A

2.PERFORM VISUAL INSPECTION TO CHECK INSTALLATION CONDITION

B

6.CLEAR DTC

C

2.PERFORM VISUAL INSPECTION TO CHECK INSTALLATION CONDITION
a.

Check that the power window components of the driver door window are correctly installed (components which may cause the door glass to deviate from the normal fully closed position, such as the door glass runs).

OK:

The power window components of the driver door window are correctly installed.



Result:
Proceed to
OK
NG



OK

3.CHECK DOOR GLASS SLIDING MOVEMENT

NG

INSTALL PARTS CORRECTLY

3.CHECK DOOR GLASS SLIDING MOVEMENT
a.

Remove the bolt of the door glass and check that the door glass slides smoothly without being caught when it is moved up and down by hand.

NOTICE:
·

The door glass fits with the glass run without improper contact or deformation.

·

Foreign matter is not caught in the glass run.

·

The glass run is not misaligned.

·

The door belt moulding or door inner glass weatherstrip is not caught.

·

The glass is not tilted and does not catch.



OK:

The door glass slides smoothly without being caught when it is moved up and down by hand.



Result:
Proceed to
OK
NG



OK

4.CHECK FRONT DOOR WINDOW REGULATOR WITH MOTOR ASSEMBLY (for Driver Door) OPERATION

NG

INSTALL PARTS CORRECTLY (Remove any foreign matter which may cause poor installation, or repair or replace parts that are installed incorrectly.)

4.CHECK FRONT DOOR WINDOW REGULATOR WITH MOTOR ASSEMBLY (for Driver Door) OPERATION

b.

Connect the multiplex network master switch assembly connector.


c.

Turn the ignition switch to ON.


d.

Operate the driver door switch of the multiplex network master switch assembly and check that the front door window regulator with motor assembly (for driver door) operates smoothly.

OK:

Operates smoothly without being caught.



Result:
Proceed to
OK
NG



OK

END (OVERHEATED POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Door) WAS DEFECTIVE)

NG

5.PERFORM VISUAL INSPECTION OF FRONT DOOR WINDOW REGULATOR SUB-ASSEMBLY (for Driver Door)
5.PERFORM VISUAL INSPECTION OF FRONT DOOR WINDOW REGULATOR SUB-ASSEMBLY (for Driver Door)


c.

Check that the front door window regulator sub-assembly (for driver door) is not deformed or distorted.

OK:

No deformation or distortion.



Result:
Proceed to
OK
NG



OK

NG

6.CLEAR DTC
a.

Clear the DTCs.

Body Electrical > Main Body > Clear DTCs
50002 449

Result:
Proceed to
NEXT



NEXT

7.PERFORM INITIALIZATION
7.PERFORM INITIALIZATION

Result:
Proceed to
NEXT



NEXT

8.CHECK FOR DTC
8.CHECK FOR DTC
a.

Check for DTCs.

Body Electrical > Main Body > Trouble Codes
50001 449

Result:
Result Proceed to
DTCs are not output A
B231D96 is output B



A

B

END (POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Door) WAS INITIALIZATION FAILURE)