Rear Power Window LH does not Operate with Rear Power Window Switch LH [08/2017 - 08/2019]: Procedure

1. Disconnect the rear power window regulator switch assembly LH connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of wire harness connector (to Rear Power Window Regulator Switch Assembly LH)

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

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   N9-3 (B) - Body ground	Ignition switch ON	11 to 14 V

3. Reconnect the rear power window regulator switch assembly LH connector.

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  2

1. Remove the rear power window regulator switch assembly LH (Refer to REMOVAL [08/2015 - ] ).
2. Inspect the rear power window regulator switch assembly LH Refer to INSPECTION [08/2015 - ] ).

Result: 

NG 

REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH 

(Refer to REMOVAL [08/2015 - ] )

Result: 

OK 

See step  3

1. Disconnect the N9 rear power window regulator switch assembly LH connector.
2. Disconnect the N10 rear power window regulator motor assembly LH connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   N9-1 (D) - N10-1	Always	Below 1 Ω
   N9-4 (U) - N10-2	Always	Below 1 Ω
   N9-1 (D) - Body ground	Always	10 kΩ or higher
   N9-4 (U) - Body ground	Always	10 kΩ or higher

4. Reconnect the rear power window regulator motor assembly LH connector.
5. Reconnect the rear power window regulator switch assembly LH connector.

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  4

1. Remove the rear power window regulator motor assembly LH (Refer to REMOVAL [08/2015 - 08/2019] ).
2. Inspect the rear power window regulator motor assembly LH (Refer to INSPECTION [08/2015 - ] ).

Result: 

NG 

REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH 

(Refer to REMOVAL [08/2015 - 08/2019] )

Result: 

OK 

See step  5

1. Disconnect the M2 power window regulator master switch assembly connector.
2. Disconnect the N9 rear power window regulator switch assembly LH connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   M2-12 (U) - N9-5 (SU)	Always	Below 1 Ω
   M2-15 (D) - N9-2 (SD)	Always	Below 1 Ω
   M2-12 (U) - Body ground	Always	10 kΩ or higher
   M2-15 (D) - Body ground	Always	10 kΩ or higher

4. Reconnect the rear power window regulator switch assembly LH connector.
5. Reconnect the power window regulator master switch assembly connector.

Result: 

OK 

REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY 

(Refer to REMOVAL [08/2015 - ] )

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR