Driver Side Power Window does not Operate with Power Window Master Switch: Procedure

1. Use the Techstream to check if the multiplex communication system (BEAN) is functioning normally. Refer to DTC CHECK / CLEAR .

   OK

   DTC(s) is not output.

NG → See step   10 

OK: Go to next step 

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 / D-Door Motor / Data List.
5. Read the Data List according to the display on the Techstream.
   D-DOOR MOTOR (POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR DRIVER SIDE))
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   D Door P/W Up SW	Driver side power window manual up switch signal / ON or OFF	ON: Driver door power window manual up switch operated OFF: Driver door power window manual up switch not operated	-
   D Door P/W Down SW	Driver side power window manual down switch signal / ON or OFF	ON: Driver door power window manual down switch operated OFF: Driver door 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 / D-Door Motor / Active Test.
2. Perform the Active Test according to the display on the Techstream.
   D-DOOR MOTOR (POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR DRIVER SIDE))
   
   

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

   OK

   Driver 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   8 

OK → See step   9 

1. Disconnect the multiplex network master switch assembly connector.
2. Disconnect the power window regulator motor assembly (for driver side) connector.
   Fig 1: Checking Harness And Connector Between Master Switch And Driver Side Motor

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   M18-20 (U) - M16-10 (UP1)	Always	Below 1 Ω
   M18-16 (D) - M16-7 (DWN1)	Always	Below 1 Ω
   M18-9 (LIN2) - M16-9 (LIN)	Always	Below 1 Ω
   M18-20 (U) - Body ground	Always	10 kΩ or higher
   M18-16 (D) - Body ground	Always	10 kΩ or higher
   M18-9 (LIN2) - Body ground	Always	10 kΩ or higher
   M16-10 (UP1) - Body ground	Always	10 kΩ or higher
   M16-7 (DWN1) - Body ground	Always	10 kΩ or higher
   M16-9 (LIN) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Measure the voltage according to the value(s) in the table below.
   Fig 2: Checking Harness And Connector Between Regulator Motor, Battery And Body Ground

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   M16-2 (B) - Body ground	Always	11 to 14 V

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   M16-1 (E) - Body ground	Always	Below 1 Ω

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Replace the multiplex network master switch assembly. Refer to REMOVAL .

NEXT: Go to next step 

1. Check that the driver side door power window moves when the manual up/down function of the multiplex network master switch assembly is operated. Refer to OPERATION CHECK .

   OK

   Driver side manual up/down function is normal.

NG → See step   8 

OK → END (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY IS DEFECTIVE)