Toyota Tacoma 2015-2018 Service Manual: Front Passenger Side Power Window does not Operate with Front Passenger Side Power Window Switch

Toyota Tacoma 2015-2018 Service Manual / Window / Glass / Power Window Control System(w/ Jam Protection Function) / Front Passenger Side Power Window does not Operate with Front Passenger Side Power Window Switch

DESCRIPTION

When the engine is running or the ignition switch is ON, the front power window regulator motor assembly RH is operated by the front power window regulator switch assembly RH. The front power window regulator motor assembly RH has motor, regulator, and ECU functions.

HINT:

If the pulse sensor built into the front power window regulator motor assembly RH 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 front power window regulator switch assembly RH at the auto up position, and opened manually by pushing down the front power window regulator switch assembly RH.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

The power window control system uses the LIN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the power window control system after confirming that the communication system is functioning properly (See page ).
If the front power window regulator motor assembly RH has been replaced with a new one, initialize the power window control system (See page ).
Check that the window lock switch is off before performing the following procedure.
Inspect the fuses for circuits related to this system before performing the following procedure.

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)

Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
Communication P-Door Motor	Connection status between front power window regulator motor assembly RH and main body ECU / OK or STOP	OK: Normal communication STOP: Communication stopped	-

Tester Display

Measurement Item/Range

Normal Condition

Diagnostic Note

Communication P-Door Motor

Connection status between front power window regulator motor assembly RH and main body ECU / 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 (P-DOOR MOTOR)

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

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

P-Door Motor (Front Power Window Regulator Motor Assembly RH)

Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
P Door P/W Up SW	Front passenger side power window manual up switch signal / ON or OFF	ON: Front passenger side power window manual up switch operated OFF: Front passenger 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 power window manual down switch operated OFF: Front passenger power window manual down 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 switch signal / ON or OFF

ON: Front passenger side power window manual up switch operated

OFF: Front passenger 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 power window manual down switch operated

OFF: Front passenger power window manual down switch not operated

OK:

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

GO TO STEP 4

3.	PERFORM ACTIVE TEST USING TECHSTREAM (P-DOOR MOTOR)

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

(b) Perform the Active Test according to the display on the Techstream.

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.

P-Door Motor (Front Power Window Regulator Motor Assembly RH)

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

HINT:

Up and down movement does not occur if the arrow is not pressed and held.

OK:

Front passenger side power window operates normally.

REPLACE MAIN BODY ECU

REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH

4.	INSPECT FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY RH

(a) Remove the front power window regulator switch assembly RH (See page (b) Inspect the front power window regulator switch assembly RH. ).

(b) Inspect the front power window regulator switch assembly RH.

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

Standard Resistance:

Tester Connection	Switch Condition	Specified Condition
5 - 7	Auto up or manual up position	Below 1 Ω
4 - 7	Auto down or manual down position	Below 1 Ω
7 - 8	Auto down or manual down position	Below 1 Ω
4 - 5	Off	10 kΩ or higher

REPLACE FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY RH

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

(a) Disconnect the P21 power window regulator switch assembly connector.

(b) Disconnect the P22 front power window regulator motor assembly RH connector.

Standard Resistance:

Tester Connection	Condition	Specified Condition
P21-5 (UP) - P22-10 (UP)	Always	Below 1 Ω
P21-4 (DOWN) - P22-7 (DOWN)	Always	Below 1 Ω
P21-7 (GND) - Body ground	Always	Below 1 Ω
P21-5 (UP) - Body ground	Always	10 kΩ or higher
P21-4 (DOWN) - Body ground	Always	10 kΩ or higher
P22-10 (UP) - Body ground	Always	10 kΩ or higher
P22-7 (DOWN) - Body ground	Always	10 kΩ or higher

REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH

REPAIR OR REPLACE HARNESS OR CONNECTOR

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