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

1. Check for LIN communication system DTCs related to the power window control system. Refer to DIAGNOSTIC TROUBLE CODE CHART .

   OK

   LIN communication system DTCs are not output.

NG → See step   10 

OK: Go to next step 

1. Check if DTC B2312 is output. Refer to DTC CHECK / CLEAR .

   OK

   DTC B2312 is not output.

NG → See step   11 

OK: Go to next step 

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 / D-Door Motor / Data List.
5. According to the display on the Techstream, read the Data List.
   D-DOOR MOTOR
   
   

   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 side power window manual UP switch operated OFF: Driver side power window switch not operated	-
   D Door P/W Down SW	Driver side power window MANUAL DOWN switch signal / ON or OFF	ON: Driver side power window manual DOWN switch operated OFF: Driver side power window switch not operated	-

   OK

   The Techstream display changes normally when master switch is operated.

NG → See step   4 

OK → See step   9 

1. Disconnect the F1 power window regulator master switch assembly connector.
   Fig 1: Measuring Voltage Of Power Window Regulator Master Switch Connector

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

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   F1-11 (B) - Body ground	Always	11 to 14 V

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   F1-12 (GND) - Body ground	Always	Below 1 Ω

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector (to Power Window Regulator Master Switch Assembly)

4. Reconnect the power window regulator master switch assembly connector.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the F4 front power window regulator motor assembly LH connector.
   Fig 2: Measuring Voltage Of Front Power Window Regulator Motor Assembly LH Connector

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

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   F4-2 (B) - Body ground	Always	11 to 14 V

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   F4-1 (GND) - Body ground	Always	Below 1 Ω

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector (to Front Power Window Regulator Motor Assembly LH)

4. Reconnect the front power window regulator motor assembly LH connector.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the F1 power window regulator master switch assembly connector.
2. Disconnect the F4 front power window regulator motor assembly LH connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   F1-20 (UP) - F4-10 (UP)	Always	Below 1 Ω
   F1-15 (DOWN) - F4-7 (DOWN)	Always	Below 1 Ω
   F1-20 (UP) - Body ground	Always	10 kΩ or higher
   F1-15 (DOWN) - Body ground	Always	10 kΩ or higher

4. Reconnect the front power window regulator motor assembly LH connector.
5. Reconnect the power window regulator master switch assembly connector.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Remove the front power window regulator motor assembly LH. Refer to DISASSEMBLY .
2. Apply battery voltage to the regulator motor and check the operation of the regulator motor.
   Fig 3: Inspecting Front Power Window Regulator Motor Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   OK

   Measurement Condition	Specified Condition
   Battery positive (+) → Terminal 2 Battery positive (-) → Terminal 1	Motor gear rotates clockwise
   Battery positive (+) → Terminal 1 Battery positive (-) → Terminal 2	Motor gear rotates counterclockwise

   TEXT IN ILLUSTRATION
   
   

   *a	Component without harness connected (Front Power Window Regulator Motor Assembly LH)
   *b	Counterclockwise
   *c	Clockwise

3. Reinstall the front power window regulator motor assembly LH.

NG → See step   12 

OK → See step   8