Acura RL (1996-2004 year). Instruction — page 96

+

120-9

Power Windows

‘99-’01

2

See Ground Distribution,
page 14-5.

4

BLU

BLK

C743

PHOTO 141

4

Pulser

C743

PHOTO 141

3

BLU

BLK

BLK/

GRN

See Power Distribution,
page 10-15.

FUSE 56

BACK UP
RADIO
7.5A

C307

PHOTO 37
VIEW 47

7

1

WHT/YEL

UNDER-HOOD
FUSE/RELAY
BOX

PHOTO 33

11

DOOR

MULTIPLEX

CONTROL

UNIT

PHOTO 137

VIEW 87

UP

DN

Right
Rear

UP

DN

Left
Rear

UP

DN

Right
Front

UP

AUTO

DN

WHT/YEL

10

12

20

BLU/ORN

G251

PHOTO 46

BLK

1

2

BLK/WHT

C412

PHOTO 110
VIEW 96

12

RED

DRIVER’S WINDOW MOTOR

PHOTO 141

13

POWER
WINDOW
MASTER
SWITCH
RELAY

PHOTO 164

BLK

2

C412

PHOTO 110
VIEW 96

19

GRY/

BLK

5

1

3

RED

See Dash
and Console
Lights

WHT/BLK

2

WHT/BLK

C412

PHOTO 110
VIEW 96

21

From page
120-8.

RED/BLK

3

See Dash and
Console Lights

POWER
WINDOW
MASTER
SWITCH
LIGHT

From
page
120-11.

Main
Switch

UNDER-HOOD

RELAY BOX B

PHOTO 164

RED or

RED/YEL

RED/BLU or GRN

FUSE 41

DR
POWER WINDOW
20A

C306

PHOTO 36
VIEW 36

1

GRN/WHT

GRN/WHT

C325

PHOTO 73
VIEW 76

5

BLK

BLK

BLK

15

To page
120-10.

BRN/

YEL

BLK/WHT

1

4

BLK

GRN/

WHT

GRN/WHT

Control Unit

26

BLU/ORN

M

C412

PHOTO 110
VIEW 96

1

6

BLK

GRN

1

BLK

3

3

5

2

RED

GRN

5

BLK

GRY/

BLK

BLK

4

BLK

*

1

*

2

G251

PHOTO 46

See Ground
Distribution,
page 14-5.

BLK

Power

Window

Master
Switch

*

1 = DRIVER’S

POWER
WINDOW
RELAY B

PHOTO 164

*

2 = DRIVER’S

POWER
WINDOW
RELAY A

PHOTO 164

Driver’s

Switch

DN

HOT AT ALL TIMES

HOT AT ALL TIMES

2004 American Honda Motor Co., Inc.

Circuit Index

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How the Circuit Works

120-10

Power Windows

See Ground Distribution,
page 14-12.

FUSE 13

METER
SUN ROOF
7.5A

See Power
Distribution,
page 10-10.

LEFT
REAR
WINDOW
SWITCH

VIEW 13

M

LEFT REAR
WINDOW MOTOR

PHOTO 146

2

C784

PHOTO 146

1

1

2

GRN

RED

BLK

C406

PHOTO 74
VIEW 3

4

DRIVER’S
MULTI-
PLEX
CONTROL
UNIT

PHOTO 79
VIEW 114

See Ground
Distribution,
page 14-4.

A

8

14

BRN/

YEL

23

From page
120-9.

A

13

DOWN

UP

Ground

D-A
line

Wake-
up

Ignition
input

Door
D-line

Window control

BLU/RED

BLU/WHT

See Ground
Distribution,
page 14-4.

G251

PHOTO
46

BLK

C

BLK/GRN

16

BLK/GRN

YEL

15

YEL

3

7

WHT/BLK

18

YEL/BLK

5

From
page
120-8.

6

YEL/
GRN

8

17

C663

PHOTO 131
VIEW 86

PNK/BLU

9

YEL/GRN

A-D
line

22

10

B

D-A
line

Wake-up

10

A-D
line

9

22

A

Door
Switch
Closed with
door open.

23

C445

PHOTO 110
VIEW 97

10

C764

PHOTO 145
VIEW 34

3

GRN/RED

See
Safety
Indicator

C764

PHOTO 145
VIEW 34

8

BLK

2

BLK

3

BLK

A

G402

PHOTO 106

BLK

BLK

Ground

Ground

Door
switch input

RED/YEL

BRN/WHT

BLK

GRN/RED

GRN/RED

GRN/RED

GRN/RED

4

BLK

See Dash
Lights

RED/

BLK

6

See
Dash
Lights

LEFT
REAR
SWITCH
LIGHT

PASSENGER’S

MULTIPLEX

CONTROL UNIT

PHOTO 107

VIEW 112

DOWN

See Power
Distribution,
page 10-10.

14

Ignition
input

C404

PHOTO 76
VIEW 49

8

UNDER-DASH
FUSE/RELAY
BOX

PHOTO 75

YEL

YEL

FRONT
PASSEN-
GER’S
DOOR
LATCH

PHOTO 145

’99-’01

BLK/GRN

C413

PHOTO
83
VIEW
73

5

BLK/GRN

HOT IN ON OR START

2004 American Honda Motor Co., Inc.

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How the Circuit Works

+

120-11

Power Windows

’99-’01

BLK/RED

M

2

C763

PHOTO 144

1

1

2

GRN

RED

PASSENGER’S
MULTIPLEX
CONTROL UNIT

PHOTO 107
VIEW 112

17

Window control

BLU/RED

BLU/WHT

A

BLK/GRN

32

BLK/GRN

BLU/BLK

1

BLU/BLK

3

7

WHT/

YEL

6

WHT/

YEL

5

From page
120-8.

4

BLK/

RED

8

4

C445

PHOTO 110
VIEW 97

RIGHT REAR
WINDOW MOTOR

PHOTO 146

FRONT PASSENGER’S
WINDOW MOTOR

PHOTO 144

YEL/GRN

M

2

C794

PHOTO 146

1

1

2

GRN

RED

17

Window control

BLU/

RED

BLU/WHT

B

YEL/BLK

18

YEL/BLK

YEL

15

YEL

5

7

BLK/

GRN

16

BLK/

GRN

3

From page
120-8.

6

YEL/
GRN

8

17

C609

PHOTO 131
VIEW 84

20

C442

PHOTO 108
VIEW 92

YEL/BLK

3

C442

PHOTO
108
VIEW 92

BLK/GRN

4

RED

See Dash
Lights

RED/

BLK

6

See
Dash
Lights

4

BLK

See
Dash
Lights

RED/BLK

6

See
Dash
Lights

RIGHT

REAR

WINDOW

SWITCH

LIGHT

RIGHT
REAR
WINDOW
SWITCH

VIEW 17

DOWN

UP

FRONT
PASSEN-
GER’S
SWITCH
LIGHT

DOWN

DOWN

UP

DOWN

To page
120-9.

BLK/

GRN

FRONT
PASSENGER’S
WINDOW
SWITCH

VIEW 11

BLK/GRN

2004 American Honda Motor Co., Inc.

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How the Circuit Works

How the Circuit Works

120-12

Power Windows

How the Circuit Works

CAUTION: Disconnect the window switch
connector before you start. You could
unintentionally switch the window to “automatic
down” while working in the driver’s door with the
power on. The moving glass could injure your
arms, hands, or fingers.

Battery voltage is applied at all times through fuse
36 to the power window relay contacts. Fuses 17,
18, 21, and 24 receive voltage through the power
window relay and are controlled by the driver’s
multiplex control unit.

Driver’s Window

The driver’s power window master switch is part of
the door multiplex control unit. When you hold the
driver’s window switch in the UP or DOWN
position, the door multiplex control unit applies
power to the power window control unit which
activates the driver’s window motor in the direction
requested.

Auto Up

The driver’s window is equipped with an AUTO UP
feature. When you momentarily hold the driver’s
window switch in the UP position, the door multiplex
control unit applies power to the driver’s window
motor. As the window moves up, the pulser in the
driver’s window motor sends a pulsing ground
signal to the door multiplex control unit. When the
window reaches the fully up position, the pulsing
signal stops and the door multiplex control unit
removes power from the motor.

Passenger Windows

All windows can be opened and closed at the
driver’s power window master switch. The
passenger windows can be disabled with this
master switch. When the main switch is open,
the power window master relay deenergizes
and removes ground from the passenger
window switches.

Left Rear Window

The left rear window switch receives voltage
through fuse 21. This switch contains two relays
and an UP/DOWN switch. When you press the left
rear window UP/DOWN switch, the corresponding
relay energizes and the window switch relay coils
are grounded through the power window master
relay switch. Voltage is applied to one side of the
window motor by the energized relay. The opposite
power window motor terminal is grounded through
the normally closed relay contacts in the
deenergized power window switch relay. When you
open or close the left rear window from the master
power window switch, the door multiplex control unit
sends a signal to the driver’s multiplex control unit
through the BRN/YEL wire. The driver’s multiplex
control unit turns on the window motor by supplying
power to the YEL or YEL/GRN wire.

Front Passenger’s and Right Rear Windows

The front passenger’s and right rear window
switches receive voltage through fuses 18 and 24
respectively. Each window switch contains two
relays and an up/down switch. When you press the
window UP/DOWN switch, the corresponding relay
energizes and the window switch relay coils are
grounded through the power window master relay
switch. Voltage is applied to one side of the window
motor by the energized relay. The opposite power
window motor terminal is grounded through the
normally closed relay contacts in the deenergized
power window switch relay. When you open or close
the front passenger’s or right rear window from the
master power window switch, the door multiplex
control unit sends a signal to the driver’s multiplex
control unit through the BRN/YEL wire. The driver’s
multiplex control unit sends this request to the
passenger’s multiplex control unit and turns on the
window motor by supplying power to the control
wires to the corresponding window switch.

Refer to the Service Manual (Section 23, Electrical)
for specific tests and troubleshooting procedures.

2004 American Honda Motor Co., Inc.

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