POWER WINDOW MAIN SWITCH INSPECTION

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Note

• Before proceeding with diagnosis of malfunctioning power windows, ensure the POWER WINDOW INITIALIZATION PROCEDURE has been performed.

1. Measure the voltage at each terminal (other than terminals H and I).

• If the voltage is not as specified in the Terminal Voltage Table (Reference), inspect the parts under “Inspection item(s)” and related wiring harnesses.

2. Disconnect the negative battery cable.

3. Inspect the power window main switch connector for continuity at terminals H and I.

4. If the system does not work properly even though the inspection items or related wiring harnesses do not have any malfunction, replace the power window main switch.

Terminal Voltage Table (Reference)

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Terminal

Signal name

Connected to

Measured condition

Voltage (V)/Continuity

Inspection item(s)

A

Power supply

IG SIG 10 A fuse

Ignition switch at ON

B+

•  IG SIG 10 A fuse

•  Related wiring harnesses

B

Door status

PJB

All doors are closed

B+

•  PJB (See PASSENGER JUNCTION BOX (PJB) INSPECTION.)

•  Related wiring harnesses

Any door is opened

1.0 or less

C

Power supply

Power window motor

Ignition switch at ON

B+

•  Power window motor (See POWER WINDOW MOTOR INSPECTION.)

•  Related wiring harnesses

D

Close output

Power window motor

While door glass is opening

1.0 or less

•  Power window motor (See POWER WINDOW MOTOR INSPECTION.)

•  Related wiring harnesses

While door glass is closing

B+

E

Pulse 2

Power window motor

Door glass moving

Alternates between 1.0 or less and B+.

•  Power window motor (See POWER WINDOW MOTOR INSPECTION.)

•  Related wiring harnesses

Door glass stopped

1.0 or less or B+

F

Open output

Power window motor

While door glass is opening

B+

•  Power window motor (See POWER WINDOW MOTOR INSPECTION.)

•  Related wiring harnesses

While door glass is closing

1.0 or less

G

Pulse 1

Power window motor

Door glass moving

Alternates between 1.0 or less and B+.

•  Power window motor (See POWER WINDOW MOTOR INSPECTION.)

•  Related wiring harnesses

Door glass stopped

1.0 or less or B+

H

GND

Body ground

Under any condition: Inspect for continuity to ground.

Continuity detected

•  GND

I

Sensor ground

Power window motor

Under any condition: Inspect for continuity to ground.

Continuity detected

•  Power window motor (See POWER WINDOW MOTOR INSPECTION.)

•  Related wiring harnesses

J

Power-cut signal

Power window subswitch

Ignition switch at ON and power-cut switch at UNLOCK

B+

•  Power window subswitch (See POWER WINDOW SUBSWITCH INSPECTION.)

•  Related wiring harnesses

K

Communication

Power window subswitch

–

–

–

L

Power supply

P/WIND L 30 A fuse (LHD) P/WIND R 30 A fuse (RHD)

Under any condition

B+

•  P/WIND L 30 A fuse (LHD) P/WIND R 30 A fuse (RHD)

•  Related wiring harnesses

Terminal	Signal name	Connected to	Measured condition	Voltage (V)/Continuity	Inspection item(s)
A	Power supply	IG SIG 10 A fuse	Ignition switch at ON	B+	• IG SIG 10 A fuse • Related wiring harnesses
B	Door status	PJB	All doors are closed	B+	• PJB (See PASSENGER JUNCTION BOX (PJB) INSPECTION.) • Related wiring harnesses
B	Door status	PJB	Any door is opened	1.0 or less
C	Power supply	Power window motor	Ignition switch at ON	B+	• Power window motor (See POWER WINDOW MOTOR INSPECTION.) • Related wiring harnesses
D	Close output	Power window motor	While door glass is opening	1.0 or less	• Power window motor (See POWER WINDOW MOTOR INSPECTION.) • Related wiring harnesses
D	Close output	Power window motor	While door glass is closing	B+
E	Pulse 2	Power window motor	Door glass moving	Alternates between 1.0 or less and B+.	• Power window motor (See POWER WINDOW MOTOR INSPECTION.) • Related wiring harnesses
E	Pulse 2	Power window motor	Door glass stopped	1.0 or less or B+
F	Open output	Power window motor	While door glass is opening	B+	• Power window motor (See POWER WINDOW MOTOR INSPECTION.) • Related wiring harnesses
F	Open output	Power window motor	While door glass is closing	1.0 or less
G	Pulse 1	Power window motor	Door glass moving	Alternates between 1.0 or less and B+.	• Power window motor (See POWER WINDOW MOTOR INSPECTION.) • Related wiring harnesses
G	Pulse 1	Power window motor	Door glass stopped	1.0 or less or B+
H	GND	Body ground	Under any condition: Inspect for continuity to ground.	Continuity detected	• GND
I	Sensor ground	Power window motor	Under any condition: Inspect for continuity to ground.	Continuity detected	• Power window motor (See POWER WINDOW MOTOR INSPECTION.) • Related wiring harnesses
J	Power-cut signal	Power window subswitch	Ignition switch at ON and power-cut switch at UNLOCK	B+	• Power window subswitch (See POWER WINDOW SUBSWITCH INSPECTION.) • Related wiring harnesses
K	Communication	Power window subswitch	–	–	–
L	Power supply	P/WIND L 30 A fuse (LHD) P/WIND R 30 A fuse (RHD)	Under any condition	B+	• P/WIND L 30 A fuse (LHD) P/WIND R 30 A fuse (RHD) • Related wiring harnesses