POWER WINDOW CONTROL SYSTEM Driver Side Power Window does not Operate with Power Window Master Switch

DESCRIPTION

When the power switch is on (IG) or on (READY), the power window regulator motor assembly (for driver side) is operated by the power window regulator master switch assembly. The power window regulator motor assembly (for driver side) has motor, regulator, and ECU functions.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING INTELLIGENT TESTER (Main Body)

   
   

   1. Connect the intelligent tester to the DLC3.

   2. Turn the power switch on (IG).

   3. Turn the intelligent tester on.

   4. Enter the following menus: Body / Main Body / Data List.

   5. Read the Data List according to the display on the intelligent tester.

      Main Body (Main Body ECU (Multiplex Network Body ECU))

      Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
      Communication D-Door Motor	Connection status between power window regulator motor (for driver side) and main body ECU (multiplex network body ECU) / OK or STOP	OK: Normal communication STOP: Communication stopped	-

      OK
      On the intelligent tester screen, OK is displayed.

   
   

   NG

   GO TO LIN COMMUNICATION SYSTEM (Proceed to How to Proceed with Troubleshooting) Click here

   OK

2. READ VALUE USING INTELLIGENT TESTER (D-Door Motor)

   
   

   1. Enter the following menus: Body / D-Door Motor / Data List.

   2. Read the Data List according to the display on the intelligent tester.

      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 intelligent tester screen, ON or OFF is displayed accordingly.

   
   

   NG

   CHECK HARNESS AND CONNECTOR (MASTER SWITCH - DRIVER SIDE MOTOR) Click here

   OK

3. PERFORM ACTIVE TEST USING INTELLIGENT TESTER (D-Door Motor)

   
   

   1. Enter the following menus: Body / D-Door Motor / Active Test.

   2. Perform the Active Test according to the display on the intelligent tester.

      D-Door Motor (Power Window Regulator Motor Assembly (for Driver Side))

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

      OK
      Driver side power window operates normally.

      CAUTION:

      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

   REPLACE FRONT DOOR WINDOW REGULATOR ASSEMBLY (for Driver Side) Click here

   OK

   REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

4. CHECK HARNESS AND CONNECTOR (MASTER SWITCH - DRIVER SIDE MOTOR)

   
   

   1. Disconnect the power window regulator master switch assembly connector.

   2. Disconnect the front door window regulator assembly (for driver side) connector.

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

      Standard Resistance
      for LHD Tester Connection Condition Specified Condition I13-20 (UP) - I6-10 (UP) Always Below 1 Ω I13-15 (DOWN) - I6-7 (DOWN) Always Below 1 Ω I13-20 (UP) - Body ground Always 10 kΩ or higher I13-15 (DOWN) - Body ground Always 10 kΩ or higher I6-10 (UP) - Body ground Always 10 kΩ or higher I6-7 (DOWN) - Body ground Always 10 kΩ or higher
      for RHD Tester Connection Condition Specified Condition H12-20 (UP) - H5-10 (UP) Always Below 1 Ω H12-15 (DOWN) - H5-7 (DOWN) Always Below 1 Ω H12-20 (UP) - Body ground Always 10 kΩ or higher H12-15 (DOWN) - Body ground Always 10 kΩ or higher H5-10 (UP) - Body ground Always 10 kΩ or higher H5-7 (DOWN) - Body ground Always 10 kΩ or higher

   
   

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

   OK

5. REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

   
   

   1. Replace the power window regulator master switch assembly Click here.

   
   

   NEXT

6. CHECK MANUAL UP / DOWN FUNCTION (for Driver Side)

   
   

   1. Check that the driver door power window moves when the manual up/down function of the power window regulator master switch assembly is operated Click here.

      OK
      Driver side manual up/down function is normal.

   
   

   NG

   REPLACE FRONT DOOR WINDOW REGULATOR ASSEMBLY (for Driver Side) Click here

   OK

   END (POWER WINDOW REGULATOR MASTER SWITCH WAS DEFECTIVE)