Remote Up/Down Function does not Operate: 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 P-Door Motor	Connection status between power window regulator motor (for front passenger side) and main body ECU (multiplex network body ECU)/OK or STOP	OK: Normal communication STOP: Communication stopped	-
   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	-
   Communication RR-Door Motor	Connection status between power window regulator motor (for rear RH) and main body ECU (multiplex network body ECU)/OK or STOP	OK: Normal communication STOP: Communication stopped	-
   Communication Master SW	Connection status between multiplex network master switch assembly 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.

NG → See step   4 

OK: Go to next step 

1. Enter the following menus: Body Electrical/Master Switch/Data List.
2. Read the Data List according to the display on the Techstream.
   MASTER SWITCH (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY)
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   P Door P/W Auto SW	Front passenger side power window auto up and down switch signal/ON or OFF	ON: Front passenger door power window auto switch operated OFF: Front passenger door power window auto switch not operated	-
   RL Door P/W Auto SW	Rear LH side power window auto up and down switch signal/ON or OFF	ON: Rear LH power window auto switch operated OFF: Rear LH power window auto switch not operated	-
   RR Door P/W Auto SW	Rear RH side power window auto up and down switch signal/ON or OFF	ON: Rear RH power window auto switch operated OFF: Rear RH power window auto switch not operated	-
   P Door P/W Up SW	Front passenger side power window manual up switch signal/ON or OFF	ON: Front passenger door power window manual up switch operated OFF: Front passenger door power window manual up switch not operated	-
   RL Door P/W up Switch	Rear LH side power window manual up switch signal/ON or OFF	ON: Rear LH power window manual up switch operated OFF: Rear LH power window manual up switch not operated	-
   RR Door P/W up Switch	Rear RH side power window manual up switch signal/ON or OFF	ON: Rear RH power window manual up switch operated OFF: Rear RH power window manual up switch not operated	-
   P Door P/W Down SW	Front passenger side power window manual down switch signal/ON or OFF	ON: Front passenger door power window manual down switch operated OFF: Front passenger door power window manual down switch not operated	-
   RL Door P/W Down SW	Rear LH side power window manual down switch signal/ON or OFF	ON: Rear LH power window manual down switch operated OFF: Rear LH power window manual down switch not operated	-
   RR Door P/W Down SW	Rear RH side power window manual down switch signal/ON or OFF	ON: Rear RH power window manual down switch operated OFF: Rear RH power window manual down switch not operated	-
   Window Lock Switch Status	Window lock switch signal/ON or OFF	ON: Window lock switch LOCK position OFF: Window lock switch UNLOCK position	-

   OK

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

   Result

   Result	Proceed to
   NG	A
   OK (Front passenger side power window remote up and down function does not operate)	B
   OK (Rear LH side power window remote up and down function does not operate)	C
   OK (Rear RH side power window remote up and down function does not operate)	D

B → See step   5 

C → See step   7 

D → See step   6 

A → See step   3