Toyota Venza: Remote Up / Down Function does not Operate

Toyota Venza Service Manual / Window / Glass / Power Window Control System / Remote Up / Down Function does not Operate

DESCRIPTION

When the ignition switch is ON, the power window regulator master switch assembly sends remote up/down signals to each power window regulator motor assembly via the LIN communication line.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

The power window control system uses a multiplex communication system (LIN communication system). Inspect the communication function by following How to Proceed with Troubleshooting (See page ). Troubleshoot the power window control
system after confirming that the communication system is functioning properly.

PROCEDURE

1.	READ VALUE USING TECHSTREAM (Main Body)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(d) Enter the following menus: Body Electrical / Main Body / Data List.

(e) Read the Data List according to the display on the Techstream.

Main Body (Main Body ECU (Driver Side Junction Block Assembly))

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 (driver side junction block assembly) / 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 (driver side junction block assembly) / 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 (driver side junction block assembly) / OK or STOP	OK: Normal communication STOP: Communication stopped	-
Communication Master SW	Connection status between power window master switch and main body ECU (driver side junction block assembly) / OK or STOP	OK: Normal communication STOP: Communication stopped	-

OK:

On the Techstream screen, OK is displayed.

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

2.	READ VALUE USING TECHSTREAM (Master Switch)

(a) Enter the following menus: Body Electrical / Master Switch / Data List.

(b) Read the Data List according to the display on the Techstream.

Master Switch (Power Window Regulator 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/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/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/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	Proceed to
NG	A
OK (Front passenger side power window remote up/down function does not operate)	B
OK (Rear LH side power window remote up/down function does not operate)	C
OK (Rear RH side power window remote up/down function does not operate)	D

REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Side)

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

REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Side)

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