Rear Power Window LH does not Operate with Rear Power Window Switch LH: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
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
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Communication RL-Door Motor	Connection status between power window regulator motor assembly (for rear LH door) and main body ECU (multiplex network 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
   
   

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

   RL-DOOR MOTOR
   
   

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

   OK

   Rear LH power window operates normally.

NG → See step   7 

OK → See step   9 

1. Remove the rear power window regulator switch assembly (for LH door). Refer to REMOVAL [06/2012 - ] .
   Fig 1: Identifying Rear Power Window Regulator Switch Assy & Connector Terminals

   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
   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 (for LH Door))

NG → See step   6 

OK: Go to next step 

1. Disconnect the O2 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
   O4-6 (UP) - O2-10 (UP)	Always	Below 1 Ω
   O4-7 (DOWN) - O2-7 (DOWN)	Always	Below 1 Ω
   O4-1 (GND) - Body ground	Always	Below 1 Ω
   O4-6 (UP) - Body ground	Always	10 kΩ or higher
   O4-7 (DOWN) - Body ground	Always	10 kΩ or higher
   O2-10 (UP) - Body ground	Always	10 kΩ or higher
   O2-7 (DOWN) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   7