Toyota CH-R Service Manual: Driver Side Power Window Auto Up / Down Function does not Operate with Power Window Master Switch

DESCRIPTION

If the manual up and down functions operate normally but the auto up and down functions do not, the power window control system may be in fail-safe mode.

If power window initialization has not been performed, the auto up and down functions will not operate.

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WIRING DIAGRAM

CAUTION / NOTICE / HINT

HINT:

If the pulse sensor built into the power window regulator motor assembly (for driver door) is malfunctioning, the power window control system will enter fail-safe mode. The remote up and down and auto up and down functions cannot be operated during fail-safe mode. However, the power window can be closed by holding the multiplex network master switch assembly at the auto up position, and opened manually by pushing down the multiplex network master switch assembly.

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PROCEDURE

1.	READ VALUE USING TECHSTREAM (MASTER SWITCH)

(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 / Master switch / Data List.

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

Body Electrical > Master Switch > Data List

Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
D Door P/W Auto SW	Driver door power window auto switch signal	OFF or ON	OFF: Driver door power window auto up or auto down switch not being operated ON: Driver door power window auto up or auto down switch being operated	-

Body Electrical > Master Switch > Data List

Tester Display
D Door P/W Auto SW

OK:

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

NG

REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY

OK

2.	READ VALUE USING TECHSTREAM (D-DOOR MOTOR)

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

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

Body Electrical > D-Door Motor > Data List

Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
D Door P/W Auto SW	Driver door power window auto switch signal	OFF or ON	OFF: Driver door power window auto up or auto down switch not being operated ON: Driver door power window auto up or auto down switch being operated	-

Body Electrical > D-Door Motor > Data List

Tester Display
D Door P/W Auto SW

OK:

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

NG

GO TO STEP 5

OK

3.	PERFORM INITIALIZATION (FOR DRIVER DOOR)

(a) Initialize the power window regulator motor assembly (for driver door).

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NEXT

4.	CHECK POWER WINDOW CONTROL SYSTEM (AUTO UP / DOWN FUNCTION)

(a) Check that the driver door power window moves when the auto up and down functions of the multiplex network master switch assembly are operated.

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OK:

Driver door auto up and down functions are normal.

OK

END (PROBLEM DUE TO INITIALIZATION FAILURE)

NG

REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR DRIVER DOOR)

5.	REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY

(a) Replace the multiplex network master switch assembly.

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NEXT

6.	CHECK POWER WINDOW CONTROL SYSTEM (AUTO UP / DOWN FUNCTION)

(a) Check that the driver door power window moves when the auto up and down functions of the multiplex network master switch assembly are operated.

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OK:

Driver door auto up and down functions are normal.

OK

END (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY WAS DEFECTIVE)

NG

REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR DRIVER DOOR)