Driver Side Power Window does not Operate with Power Window Master Switch [12/2015 - ]: 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 D-Door Motor	Connection status between front power window regulator motor assembly LH and main body ECU / OK or STOP	OK: Normal communication STOP: Communication stopped	-
   Communication Master SW	Connection status between multiplex network master switch and main body ECU / OK or STOP	OK: Normal communication STOP: Communication stopped	-

   OK

   On the Techstream screen, OK is displayed.

Result: 

NG 

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

(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2015 - ] )

Result: 

OK 

See step  2

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

   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 manual up 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 manual down switch not operated	-

   OK

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

Result: 

NG 

See step  4

Result: 

OK 

See step  3

1. Enter the following menus: Body Electrical / D-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.

   D-DOOR MOTOR (FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH)
   
   

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

   HINT: 

   Up and down movement does not occur if the arrow is not pressed and held.

   OK

   Driver side power window operates normally.

Result: 

OK 

REPLACE MAIN BODY ECU 

(Refer to REMOVAL [12/2015 - ] )

Result: 

NG 

REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH 

(Refer to REMOVAL [12/2015 - ] )

1. Disconnect the H14 multiplex network master switch assembly connector.
2. Disconnect the H1 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
   H14-20 (UP) - H1-10 (UP)	Always	Below 1 Ω
   H14-15 (DOWN) - H1-7 (DOWN)	Always	Below 1 Ω
   H14-20 (UP) - Body ground	Always	10 kΩ or higher
   H14-15 (DOWN) - Body ground	Always	10 kΩ or higher
   H1-10 (UP) - Body ground	Always	10 kΩ or higher
   H1-7 (DOWN) - Body ground	Always	10 kΩ or higher

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  5

1. Replace the multiplex network master switch assembly (Refer to REMOVAL [12/2015 - ] ).

Result: 

NEXT 

See step  6

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 [12/2015 - ] ).

   OK

   Driver side manual up/down function is normal.

Result: 

OK 

END (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY WAS DEFECTIVE) 

Result: 

NG 

REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH 

(Refer to REMOVAL [12/2015 - ] )