Toyota Venza manuals

Toyota Venza: Rear Power Window LH does not Operate with Rear Power Window Switch LH

Toyota Venza Service Manual / Window / Glass / Power Window Control System / Rear Power Window LH does not Operate with Rear Power Window Switch LH

DESCRIPTION

When the engine is running or the ignition switch is ON, the power window regulator motor assembly (for rear LH side) is operated by the power window regulator switch assembly (for rear LH side). The power window regulator motor has motor, regulator, and ECU functions.

HINT:

If the pulse sensor built into the power window regulator motor assembly (for rear LH side) malfunctions, the power window control system enters fail-safe mode. The remote up/down and auto up/down functions cannot be operated during fail-safe mode. However, the power window can be closed by holding the power window regulator switch assembly (for rear LH side) at the auto up position, and opened manually by pushing down the power window regulator switch assembly (for rear LH side).

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.
  • When the power window regulator motor assembly (for rear LH side) is reinstalled or replaced, the power window control system must be initialized.
  • After a door glass or a door glass run has been replaced, the jam protection function may operate unexpectedly when the auto up function is used. In such cases, the auto up function can be reinitialized by repeating the following operations at least 5 times:
    1. Close the power window by fully pulling up the power window regulator switch assembly (for rear LH side) and holding it at the auto up position.
    2. Open the power window by fully pushing down the power window regulator switch assembly (for rear LH side).
  • When the ECU determines that the power window regulator motor assembly (for rear LH side) has a malfunction, DTC B2311 is set.

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 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

-

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 (RL-Door Motor)

(a) Enter the following menus: Body Electrical / RL-Door Motor / Data List.

(b) 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.


NG

GO TO STEP 4


OK

3.

PERFORM ACTIVE TEST USING TECHSTREAM (RL-Door Motor)

(a) Enter the following menus: Body Electrical / RL-Door Motor / Active Test.

(b) 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.

CAUTION:

Be careful to avoid injuries as this test causes vehicle parts to move. During the Active Test, the jam protection function will not operate.


OK

REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)


NG

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

4.

INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Rear LH Side)

(a) Remove the power window regulator switch assembly (for rear LH side) (See page ).



(b) 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

*1

Component without harness connected

(Power Window Regulator Switch Assembly (for Rear LH Side))


NG

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


OK

5.

CHECK HARNESS AND CONNECTOR (REAR LH SIDE SWITCH - REAR LH SIDE MOTOR AND BODY GROUND)

(a) Disconnect the power window regulator motor assembly (for rear LH side) connector.


(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

K1-6 (UP) - K2-10 (UP)

Always

Below 1 Ω

K1-7 (DOWN) - K2-7 (DOWN)

Always

Below 1 Ω

K1-1 (GND) - Body ground

Always

Below 1 Ω

K1-6 (UP) - Body ground

Always

10 kΩ or higher

K1-7 (DOWN) - Body ground

Always

10 kΩ or higher

K2-10 (UP) - Body ground

Always

10 kΩ or higher

K2-7 (DOWN) - Body ground

Always

10 kΩ or higher

Text in Illustration

*1

Front view of wire harness connector

(to Power Window Regulator Switch Assembly (for Rear LH Side))

*2

Front view of wire harness connector

(to Power Window Regulator Motor Assembly (for Rear LH Side))


OK

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


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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