Toyota 4Runner: Front Passenger Side Power Window does not Operate with Front Passenger Side Power Window Switch

Toyota 4Runner Service Manual / Vehicle Exterior / Window / Glass / Power Window Control System / Front Passenger Side Power Window does not Operate with Front Passenger Side Power Window Switch

DESCRIPTION

If the manual up/down function does not operate, there may be a malfunction in the power window regulator switch, front power window regulator motor, harness or connector.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

HINT:

Since the power window control system has functions that use LIN communication, first confirm that there is no malfunction in the communication system by inspecting the LIN communication functions in accordance with the "How to Proceed with Troubleshooting" procedures. Then, conduct the following inspection procedure.

PROCEDURE

1.	CHECK FOR DTC (B2312)

(a) Check if DTC B2312 is output (See page ).

OK:

DTC B2312 is not output.

GO TO DTC B2312

2.	READ VALUE USING TECHSTREAM (POWER WINDOW REGULATOR SWITCH)

(a) Use the Data List to check if the front power window regulator motor is functioning properly (See page ).

P-Door Motor

Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
P Door P/W Up SW	Front passenger side power window manual up signal / ON or OFF	ON: Front passenger side power window manual up switch operated OFF: Front passenger side power window regulator switch not operated	-
P Door P/W Down SW	Front passenger side power window manual down signal / ON or OFF	ON: Front passenger side power window manual down switch operated OFF: Front passenger side power window regulator switch not operated	-

Tester Display

Measurement Item/Range

Normal Condition

Diagnostic Note

P Door P/W Up SW

Front passenger side power window manual up signal / ON or OFF

ON: Front passenger side power window manual up switch operated

OFF: Front passenger side power window regulator switch not operated

P Door P/W Down SW

Front passenger side power window manual down signal / ON or OFF

ON: Front passenger side power window manual down switch operated

OFF: Front passenger side power window regulator switch not operated

OK:

On tester screen, each item changes between ON and OFF according to above chart.

GO TO STEP 4

3.	PERFORM ACTIVE TEST USING TECHSTREAM (POWER WINDOW)

(a) Select the Active Test, use the Techstream to generate a control command, and then check that power window regulator motor operates (See page ).

P-Door Motor

Tester Display	Test Part	Control Range	Diagnostic Note
Power Window	Passenger side power window	OFF/UP/DOWN	-

OK:

The power window regulator motor operates normally.

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH

4.	INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY

(a) Remove the power window regulator switch (See page ).

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

Standard Resistance:

Tester Connection	Switch Condition	Specified Condition
6 (UP) - 1 (GND)	Manual up operation	Below 1 Ω
7 (DOWN) - 1 (GND)	Manual down operation	Below 1 Ω
6 (UP) - 1 (GND)	Not operated	10 kΩ or higher
7 (DOWN) - 1 (GND)	Not operated	10 kΩ or higher

REPLACE POWER WINDOW REGULATOR SWITCH ASSEMBLY

5.	CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR SWITCH ASSEMBLY - BODY GROUND)

(a) Disconnect the g1 power window regulator switch connector.

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
g1-1 (GND) - Body ground	Always	Below 1 Ω

Text in Illustration

*a	Front view of wire harness connector (to Power Window Regulator Switch Assembly)

REPAIR OR REPLACE HARNESS OR CONNECTOR

6.	CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR SWITCH ASSEMBLY - FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH)

(a) Disconnect the g1 power window regulator switch connector.

(b) Disconnect the H2 power window regulator motor connector.

Standard Resistance:

Tester Connection	Condition	Specified Condition
g1-6 (UP) - H2-10 (UP)	Always	Below 1 Ω
g1-7 (DOWN) - H2-7 (DOWN)	Always	Below 1 Ω
g1-6 (UP) - Body ground	Always	10 kΩ or higher
g1-7 (DOWN) - Body ground	Always	10 kΩ or higher

REPAIR OR REPLACE HARNESS OR CONNECTOR

7.	CHECK HARNESS AND CONNECTOR (FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH - BATTERY AND BODY GROUND)

(a) Disconnect the H2 power window regulator motor connector.

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

Standard Voltage:

Tester Connection	Condition	Specified Condition
H2-2 (B) - Body ground	Always	11 to 14 V

Standard Resistance:

Tester Connection	Condition	Specified Condition
H2-1 (GND) - Body ground	Always	Below 1 Ω

Text in Illustration

*a	Front view of wire harness connector (to Front Power Window Regulator Motor Assembly RH)

REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH

REPAIR OR REPLACE HARNESS OR CONNECTOR

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