Rear Power Window LH does not Operate with Rear Power Window Switch LH [08/2014 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power 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 (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Communication RL-Door Motor	Connection status between power window regulator motor (for rear LH) 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.

Result:  NG

NG 

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

(See article. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2014 - ] )

Result:  OK

OK 

See step  2

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 (POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR REAR LH SIDE))
   
   

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

   OK

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

Result:  NG

NG 

See step  4

Result:  OK

OK 

See step  3

1. Enter the following menus: Body Electrical / RL-Door Motor / Active Test.
2. Perform the Active Test according to the display on the Techstream.
   RL-DOOR MOTOR (POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR REAR LH SIDE))
   
   

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

   OK

   Rear LH 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.

Result:  OK

OK 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 

(See article. Refer to REMOVAL [08/2014 - ] )

Result:  NG

NG 

REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH side) 

(See article. Refer to REMOVAL [08/2014 - ] )

1. Remove the rear power window regulator switch assembly (for LH side) (See article. Refer to REMOVAL [08/2014 - ] ).

   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 Side))

Result:  NG

NG 

REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for LH side) 

(See article. Refer to REMOVAL [08/2014 - ] )

Result:  OK

OK 

See step  5

1. Disconnect the power window regulator motor assembly (for rear LH side) connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   M3-6 (UP) - M2-10 (UP)	Always	Below 1 Ω
   M3-7 (DOWN) - M2-7 (DOWN)	Always	Below 1 Ω
   M3-1 (GND) - Body ground	Always	Below 1 Ω
   M3-6 (UP) - Body ground	Always	10 kΩ or higher
   M3-7 (DOWN) - Body ground	Always	10 kΩ or higher
   M2-10 (UP) - Body ground	Always	10 kΩ or higher
   M2-7 (DOWN) - Body ground	Always	10 kΩ or higher

Result:  OK

OK 

REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH side) 

(See article. Refer to REMOVAL [08/2014 - ] )

Result:  NG

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR