Toyota Venza manuals

Toyota Venza: Power Window Switch Malfunction (B2312)

Toyota Venza Service Manual / Window / Glass / Power Window Control System / Power Window Switch Malfunction (B2312)

DESCRIPTION

The power window regulator motor assembly is operated by the power window regulator master switch assembly or power window regulator switch assembly. The power window regulator motor assembly has motor, regulator and ECU functions.

This DTC is output when the ECU built into the regulator motor determines that the power window regulator master switch assembly or power window regulator switch assembly is stuck.

HINT:

DTC B2312 can be stored in the power window regulator master switch assembly and in each power window regulator motor assembly (power window ECU).

Master Switch (Power Window Regulator Master Switch Assembly)

DTC No.

DTC Detection Condition

Trouble Area

B2312

  • Power window regulator master switch assembly stuck
  • Power window regulator master switch assembly held in same position for more than 20 seconds

Power window regulator master switch assembly

D-Door Motor (Power Window Regulator Motor Assembly (for Driver Side))

DTC No.

DTC Detection Condition

Trouble Area

B2312

  • Power window regulator master switch assembly (for driver side) stuck
  • Power window regulator master switch assembly held in same position for more than 20 seconds
  • Power window regulator master switch assembly
  • Power window regulator motor assembly (for driver side)
  • Wire harness or connector
P-Door Motor (Power Window Regulator Motor Assembly (for Front Passenger Side))

DTC No.

DTC Detection Condition

Trouble Area

B2312

  • Power window regulator switch assembly (for front passenger side) stuck
  • Power window regulator switch assembly held in same position for more than 20 seconds
  • Power window regulator switch assembly (for front passenger side)
  • Power window regulator motor assembly (for front passenger side)
  • Wire harness or connector
RL-Door Motor (Power Window Regulator Motor Assembly (for Rear LH Side))

DTC No.

DTC Detection Condition

Trouble Area

B2312

  • Power window regulator switch assembly (for rear LH side) stuck
  • Power window regulator switch assembly held in same position for more than 20 seconds
  • Power window regulator switch assembly (for rear LH side)
  • Power window regulator motor assembly (for rear LH side)
  • Wire harness or connector
RR-Door Motor (Power Window Regulator Motor Assembly (for Rear RH Side))

DTC No.

DTC Detection Condition

Trouble Area

B2312

  • Power window regulator switch assembly (for rear RH side) stuck
  • Power window regulator switch assembly held in same position for more than 20 seconds
  • Power window regulator switch assembly (for rear RH side)
  • Power window regulator motor assembly (for rear RH side)
  • Wire harness or connector

WIRING DIAGRAM

1. for Driver Side


2. for Front Passenger Side


3. for Rear LH Side


4. for Rear RH Side


CAUTION / NOTICE / HINT

NOTICE:

  • When the power window regulator motor assembly 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 master switch assembly or power window regulator switch assembly and holding it at the auto up position.
    2. Open the power window by fully pushing down the switch.

PROCEDURE

1.

CHECK DTC OUTPUT

(a) Clear the DTC (See page ).


(b) Check for DTCs (See page ).


OK:

No DTCs output.


OK

END (DUE TO SWITCH BEING OPERATED FOR 20 SECONDS OR MORE)


NG

2.

CHECK DTC

(a) Check for DTC output conditions.

Result

Proceed to

DTC output from power window regulator master switch assembly

A

DTC output from power window regulator motor assembly (for driver side)

B

DTC output from power window regulator motor assembly (for front passenger side)

C

DTC output from power window regulator motor assembly (for rear LH side)

D

DTC output from power window regulator motor assembly (for rear RH side)

E


A

REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY


C

GO TO STEP 5


D

GO TO STEP 8


E

GO TO STEP 11


B

3.

READ VALUE USING TECHSTREAM (D-Door Motor)

(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 / D-Door Motor / Data List.

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

D-Door Motor (Power Window Regulator Motor Assembly (for Driver Side))

Tester Display

Measurement Item/Range

Normal Condition

Diagnostic Note

D Door P/W Up SW

Driver side power window manual up switch signal / ON or OFF

ON: Driver door power window manual up switch operated

OFF: Driver door power window manual up switch not operated

-

D Door P/W Down SW

Driver side power window manual down switch signal / ON or OFF

ON: Driver door power window manual down switch operated

OFF: Driver door power window manual down switch not operated

-

OK:

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


OK

REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Side)


NG

4.

CHECK HARNESS AND CONNECTOR (MASTER SWITCH - DRIVER SIDE MOTOR)

(a) Disconnect the power window regulator master switch assembly connector.

(b) Disconnect the power window regulator motor assembly (for driver side) connector.


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

Standard Resistance:

Tester Connection

Condition

Specified Condition

I6-20 (UP) - Body ground

Always

10 kΩ or higher

I6-15 (DOWN) - Body ground

Always

10 kΩ or higher

I4-10 (UP) - Body ground

Always

10 kΩ or higher

I4-7 (DOWN) - Body ground

Always

10 kΩ or higher

Text in Illustration

*1

Front view of wire harness connector

(to Power Window Regulator Master Switch Assembly)

*2

Front view of wire harness connector

(to Power Window Regulator Motor Assembly (for Driver Side))


OK

REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Side)


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.

READ VALUE USING TECHSTREAM (P-Door Motor)

(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 / P-Door Motor / Data List.

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

P-Door Motor (Power Window Regulator Motor Assembly (for Front Passenger Side))

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 side door power window auto switch operated

OFF: Front passenger side door 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 side door power window manual up switch operated

OFF: Front passenger side door 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 side door power window manual down switch operated

OFF: Front passenger side door power window manual down switch not operated

-

OK:

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


OK

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


NG

6.

INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Front Passenger Side)

(a) Remove the power window regulator switch assembly (for front passenger 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

8 (AUTO) - 1 (GND)

Auto up or auto down position

Below 1 Ω

6 (UP) - 1 (GND)

Free

10 kΩ or higher

7 (DOWN) - 1 (GND)

Free

10 kΩ or higher

8 (AUTO) - 1 (GND)

Free

10 kΩ or higher

Text in Illustration

*1

Component without harness connected

(Power Window Regulator Switch Assembly (for Front Passenger Side))


NG

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


OK

7.

CHECK HARNESS AND CONNECTOR (FRONT PASSENGER SIDE SWITCH - FRONT PASSENGER SIDE MOTOR)

(a) Disconnect the power window regulator motor assembly (for front passenger side) connector.


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

Standard Resistance:

Tester Connection

Condition

Specified Condition

H8-6 (UP) - Body ground

Always

10 kΩ or higher

H8-7 (DOWN) - Body ground

Always

10 kΩ or higher

H8-8 (AUTO) - Body ground

Always

10 kΩ or higher

H4-10 (UP) - Body ground

Always

10 kΩ or higher

H4-7 (DOWN) - Body ground

Always

10 kΩ or higher

H4-4 (AUTO) - Body ground

Always

10 kΩ or higher

Text in Illustration

*1

Front view of wire harness connector

(to Power Window Regulator Switch Assembly (for Front Passenger Side))

*2

Front view of wire harness connector

(to Power Window Regulator Motor Assembly (for Front Passenger Side))


OK

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


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

8.

READ VALUE USING TECHSTREAM (RL-Door Motor)

(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 / RL-Door Motor / Data List.

(e) 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 Auto SW

Rear LH side power window auto up/down switch signal / ON or OFF

ON: Rear LH door power window auto switch operated

OFF: Rear LH door power window auto switch not operated

-

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.


OK

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


NG

9.

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

8 (AUTO) - 1 (GND)

Auto up or auto down position

Below 1 Ω

6 (UP) - 1 (GND)

Free

10 kΩ or higher

7 (DOWN) - 1 (GND)

Free

10 kΩ or higher

8 (AUTO) - 1 (GND)

Free

10 kΩ or higher

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

10.

CHECK HARNESS AND CONNECTOR (REAR LH SWITCH - REAR LH MOTOR)

(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) - Body ground

Always

10 kΩ or higher

K1-7 (DOWN) - Body ground

Always

10 kΩ or higher

K1-8 (AUTO) - 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

K2-4 (AUTO) - 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

11.

READ VALUE USING TECHSTREAM (RR-Door Motor)

(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 / RR-Door Motor / Data List.

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

RR-Door Motor (Power Window Regulator Motor Assembly (for Rear RH Side))

Tester Display

Measurement Item/Range

Normal Condition

Diagnostic Note

RR Door P/W Auto SW

Rear RH side power window auto up/down switch signal / ON or OFF

ON: Rear RH door power window auto switch operated

OFF: Rear RH door power window auto switch not operated

-

RR Door P/W Up SW

Rear RH side power window manual up switch signal / ON or OFF

ON: Rear RH door power window manual up switch operated

OFF: Rear RH door power window manual up switch not operated

-

RR Door P/W Down SW

Rear RH side power window manual down switch signal / ON or OFF

ON: Rear RH door power window manual down switch operated

OFF: Rear RH door power window manual down switch not operated

-

OK:

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


OK

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


NG

12.

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

(a) Remove the power window regulator switch assembly (for rear RH 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

8 (AUTO) - 1 (GND)

Auto up or auto down position

Below 1 Ω

6 (UP) - 1 (GND)

Free

10 kΩ or higher

7 (DOWN) - 1 (GND)

Free

10 kΩ or higher

8 (AUTO) - 1 (GND)

Free

10 kΩ or higher

Text in Illustration

*1

Component without harness connected

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


NG

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


OK

13.

CHECK HARNESS AND CONNECTOR (REAR RH SWITCH - REAR RH MOTOR)

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


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

Standard Resistance:

Tester Connection

Condition

Specified Condition

J1-6 (UP) - Body ground

Always

10 kΩ or higher

J1-7 (DOWN) - Body ground

Always

10 kΩ or higher

J1-8 (AUTO) - Body ground

Always

10 kΩ or higher

J2-10 (UP) - Body ground

Always

10 kΩ or higher

J2-7 (DOWN) - Body ground

Always

10 kΩ or higher

J2-4 (AUTO) - 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 RH Side))

*2

Front view of wire harness connector

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


OK

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


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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