Toyota Venza manuals

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.

(c) Turn the Techstream 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.


NG

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


OK

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


A

REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY


B

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


C

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


D

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

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