Rear Power Window LH Auto Up / Down Function does not Operate with Rear Power Window Switch LH: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / RL-Door Motor / Data List.
5. Read the Data List according to the display on the Techstream.
   RL-DOOR MOTOR (POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR REAR LH SIDE))
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   RL Door P/W Auto SW	Rear LH side power window auto switch signal / ON or OFF	ON: Rear LH power window auto switch operated OFF: Rear LH power window auto switch not operated	-

   OK

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

NG → See step   4 

OK: Go to next step 

1. Initialize the power window regulator motor assembly (for rear LH side). Refer to INITIALIZATION .

NEXT: Go to next step 

1. Check that the rear LH side door power window moves when the auto up/down function of the power window regulator switch assembly (for rear LH side) is operated. Refer to OPERATION CHECK .

   OK

   Rear LH side auto up/down function is normal.

NG → See step   6 

OK → END (PROBLEM DUE TO INITIALIZATION FAILURE) 

1. Remove the power window regulator switch assembly (for rear LH side).
   Fig 1: Identifying Power Window Regulator Switch Assembly (For Rear LH Side) Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Switch Condition	Specified Condition
   8 (AUTO) - 1 (GND)	Auto up or auto down position	Below 1 Ω

NG → REPLACE POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Rear LH Side) 

OK: Go to next step 

1. Disconnect the power window regulator motor assembly (for rear LH side) connector.
   Fig 2: Identifying Power Window Regulator Motor Assembly (For Rear LH Side) Connectors

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   K2-8 (AUTO) - K4-4 (AUTO)	Always	Below 1 Ω
   K2-8 (AUTO) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   6