Driver Side Power Window does not Operate with Power Window Master Switch [12/2024 - ]: Procedure

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

   Result

   Result	Proceed to
   OK (Operates normally)	A
   NG (Does not operate only for the driver seat.)	B
   NG (Does not operate except for the driver seat.)	C

Result: 

A 

USE SIMULATION METHOD TO CHECK 

Refer to METHOD TO SIMULATE PROBLEM SYMPTOMS [12/2024 - ]

Result: 

C 

GO TO OTHER PROBLEM (Remote Up / Down Function does not Operate) 

Refer to Remote Up / Down Function does not Operate [12/2024 - ] 

Result: 

B 

See step  2

1. 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
   Communication D-Door Motor	Connection status between power window regulator motor assembly LH (for front door) and main body ECU (multiplex network body ECU)	STOP or OK	STOP: Communication stopped OK: Normal communication	-
   Communication Master Switch	Connection status between multiplex network master switch assembly and main body ECU (multiplex network body ECU)	STOP or OK	STOP: Communication stopped OK: Normal communication	-

   Body Electrical > Main Body > Data List 

   Tester Display
   Communication D-Door Motor
   Communication Master Switch

   OK

   OK is displayed for each Data List item above.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  7

Result: 

OK 

See step  3

1. 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

Result: 

NG 

INSTALL PARTS CORRECTLY 

Result: 

OK 

See step  4

1. 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.
   NOTE:

   • The door glass fits with the door glass run without improper contact or deformation.
   • Foreign matter is not caught in the door glass run.
   • The door glass run is not misaligned.
   • The door belt moulding or door inner glass weatherstrip is not caught.
   • The door 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

Result: 

NG 

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

Result: 

OK 

See step  5

1. Remove the front door glass sub-assembly LH.

   HINT: 

   Refer to DISASSEMBLY [12/2024 - ]

2. Connect the multiplex network master switch assembly connector.
3. Turn the ignition switch to ON.
4. Operate the driver door switch of the multiplex network master switch assembly and check that the front door window regulator with motor assembly LH operates smoothly.

   OK

   Operates smoothly without being caught.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

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

Result: 

NG 

See step  6

1. Remove the front door window regulator with motor assembly LH.

   HINT: 

   Refer to DISASSEMBLY [12/2024 - ]

2. Remove the power window regulator motor assembly LH (for front door).

   HINT: 

   Refer to REMOVAL [12/2024 - ]

3. Check that the front door window regulator sub-assembly LH is not deformed or distorted.

   OK

   No deformation or distortion.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (for Front Door) 

Refer to REMOVAL [12/2024 - ]

Result: 

NG 

REPLACE FRONT DOOR WINDOW REGULATOR SUB-ASSEMBLY LH 

Refer to DISASSEMBLY [12/2024 - ]

1. Disconnect the N7 multiplex network master switch assembly connector.
2. Disconnect the N8 power window regulator motor assembly LH (for front door) connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   N7-6 (UP) - N8-10 (UP)	Always	Below 1 Ω
   N7-2 (DOWN) - N8-7 (DOWN)	Always	Below 1 Ω
   N7-6 (UP) or N8-10 (UP) - Body ground	Always	10 kΩ or higher
   N7-2 (DOWN) or N8-7 (DOWN) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  8

1. Disconnect the N8 power window regulator motor assembly LH (for front door) connector.
2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   N8-10 (UP) - Body ground	Ignition switch ON	11 to 14 V
   N8-7 (DOWN) - Body ground	Ignition switch ON	11 to 14 V

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (for front door) 

Refer to REMOVAL [12/2024 - ]

Result: 

NG 

REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY 

Refer to REMOVAL [12/2024 - ]