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 power switch on (IG).
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 DOOR))
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   RL Door P/W Auto SW	Rear LH door power window auto switch signal / OFF or ON	OFF: Rear LH power window auto switch not operated ON: Rear LH power window auto switch 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 door). Refer to INITIALIZATION .

NEXT: Go to next step 

1. Check that the rear LH door power window moves when the auto up and down functions of the rear power window regulator switch assembly (for LH door) are operated. Refer to OPERATION CHECK .

   OK

   Rear LH door auto up and down functions are normal.

NG → See step   6 

OK → END (PROBLEM DUE TO INITIALIZATION FAILURE) 

1. Remove the rear power window regulator switch assembly (for LH door). Refer to REMOVAL .
   Fig 1: Inspecting Power Window Regulator Switch Assembly

   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

   TEXT IN ILLUSTRATION
   
   

   *a	Component without harness connected (Rear Power Window Regulator Switch Assembly (for LH Door))

NG → See step   7 

OK: Go to next step 

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   Q2-8 (AUTO) - Q4-4 (AUTO)	Always	Below 1 Ω
   Q2-8 (AUTO) - Body ground	Always	10 kΩ or higher
   Q4-4 (AUTO) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   6