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

WINDOW / GLASS  POWER WINDOW CONTROL SYSTEM(Production Date from 2023/04)  Rear Power Window RH Auto Up / Down Function does not Operate with Rear Power Window Switch RH  


DESCRIPTION

If the manual up and down functions operate normally but the auto up and down functions do not, the power window control system may be in fail-safe mode.

If power window initialization has not been performed, the auto up and down functions will not operate.

CAUTION / NOTICE / HINT

NOTICE:
·

If the power window regulator motor assembly (for rear RH 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

·

Check that power window system customize settings "RR Window Auto Up Function" and "RR Window Auto Down Function" are set to "ON" before performing the following procedure.

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

·

After the catch protection function has operated, the auto up function will not operate the first time the power window auto up switch is operated. The auto up function will operate normally after the first power window switch operation.

·

Before replacing the main body ECU (multiplex network body ECU), refer to Service Bulletin.*1

*1: w/ Smart Entry and Start System




HINT:

If the pulse sensor built into the power window regulator motor assembly (for rear RH door) is malfunctioning, the power window control system will enter fail-safe mode. The remote up and down and auto up and down functions cannot be operated during fail-safe mode. However, the power window can be closed by holding the rear power window regulator switch assembly (for rear RH door) at the auto up position, and opened manually by pushing down the rear power window regulator switch assembly (for rear RH door).


PROCEDURE

1.PERFORM INITIALIZATION (AUTO UP / DOWN FUNCTION)
a.

Initialize the power window regulator motor assembly RH (for rear RH door).

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


b.

Check that the rear RH door power window moves when the auto up and down functions of the rear power window regulator switch assembly (for RH door) are operated.

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

OK:

Rear RH door auto up and down functions are normal.



Result:
Proceed to
OK
NG



OK

END (PROBLEM DUE TO INITIALIZATION FAILURE)

NG

2.CHECK REAR RH DOOR POWER WINDOW SWITCH (READ VALUE USING GTS)
2.CHECK REAR RH DOOR POWER WINDOW SWITCH (READ VALUE USING GTS)
a.

Read the Data List according to the display on the GTS.

Body Electrical > Main Body > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
RR Door Power Window AUTO Switch Rear RH door power window auto switch OFF or ON OFF: Manual down switch not being operated
ON: Manual down switch being operated 		-
Body Electrical > Main Body > Data List
Tester Display
RR Door Power Window AUTO Switch
50003 449 322
OK:

On the GTS screen, ON or OFF is displayed accordingly.



Result:
Proceed to
OK
NG



OK

REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Door)

Click hereVehicle Exterior>WINDOW / GLASS>POWER WINDOW REGULATOR MOTOR (for Rear Door)>REMOVAL


NG

3.INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Rear RH Door)
3.INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Rear RH Door)

Click hereVehicle Exterior>WINDOW / GLASS>REAR POWER WINDOW SWITCH>INSPECTION

Result:
Proceed to
OK
NG



OK

4.CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY - POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Door))

NG

REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Rear RH Door)

Click hereVehicle Exterior>WINDOW / GLASS>REAR POWER WINDOW SWITCH>REMOVAL


4.CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY - POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Door))
a.

Disconnect the M3 power window regulator motor assembly (for rear RH door) connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
M2-8 (AUTO) - M3-4 (AUTO) Always Below 1 Ω
M2-8 (AUTO) or M3-4 (AUTO) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

5.CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Door)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Door)
a.

Connect the M3 power window regulator motor assembly (for rear RH door) connector.


b.

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

Standard Voltage:
Tester Connection Switch Condition Specified Condition
M2-8 (AUTO) - Body ground Ignition switch ON 11 to 14 V



Result:
Proceed to
OK
NG



OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU>REMOVAL


NG

REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Door)

Click hereVehicle Exterior>WINDOW / GLASS>POWER WINDOW REGULATOR MOTOR (for Rear Door)>REMOVAL