Rear Power Window LH 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 / Main Body / Data List.
5. Read the Data List according to the display on the Techstream.
   MAIN BODY (MAIN BODY ECU)
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Communication RL-Door Motor	Connection status between rear power window regulator motor assembly LH and main body ECU / OK or STOP	OK: Normal communication STOP: Communication stopped	-

   OK

   On the Techstream screen, OK is displayed.

NG → See step   8 

OK: Go to next step 

1. Enter the following menus: Body Electrical / RL-Door Motor / Data List.
2. Read the Data List according to the display on the Techstream.
   RL-DOOR MOTOR (REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH)
   
   

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

   OK

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

NG → See step   4 

OK: Go to next step 

1. Enter the following menus: Body Electrical / RL-Door Motor / Active Test.
2. Perform the Active Test according to the display on the Techstream.
   RL-DOOR MOTOR (REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH)
   
   

   Tester Display	Test Part	Control Range	Diagnostic Note
   Power Window	Power window	OFF / UP / DOWN	-

   OK

   Rear LH side power window operates normally.

   WARNING:

   Be careful to avoid injuries as this test causes vehicle parts to move. During the Active Test, the jam protection function will not operate.

NG → See step   7 

OK → See step   9 

1. Remove the rear power window regulator switch assembly LH. 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
   6 (UP) - 1 (GND)	Auto up or up position	Below 1 Ω
   7 (DOWN) - 1 (GND)	Auto down or down position	Below 1 Ω

   TEXT IN ILLUSTRATION
   
   

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

NG → See step   6 

OK: Go to next step 

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J1-6 (UP) - J7-10 (UP)	Always	Below 1 Ω
   J1-7 (DOWN) - J7-7 (DOWN)	Always	Below 1 Ω
   J1-1 (GND) - Body ground	Always	Below 1 Ω
   J1-6 (UP) - Body ground	Always	10 kΩ or higher
   J1-7 (DOWN) - Body ground	Always	10 kΩ or higher
   J7-10 (UP) - Body ground	Always	10 kΩ or higher
   J7-7 (DOWN) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   7