Acura RL (1996-2004 year). Manual - part 62

 

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Acura RL (1996-2004 year). Manual - part 62

 

 

+

50-5

Multiplex Control System

DOOR

MULTIPLEX

CONTROL UNIT

PHOTO 137

VIEW 87

RED/BLK

3

See Dash and
Console Lights

+

11

(’96-’97 RED/YEL)

(’98-’01 BLK/WHT)

BLU/GRN

)

10

(’96-’02 RED/BLU)

BLU/ORN

)

4

(’96-’01 BLU)

YEL/GRN

)

See Power
Windows

Power window
master switch
illumination

Driver’s power
window motor control

13

RED

See Dash and
Console Lights

14

(’96-’03 BLU/BLK)

BLU/WHT

)

See
Trunk
Opener

Trunk
opener
switch
input

20

GRY/BLK

Main
switch
output

9

BLU/ORN

19

BLK/WHT

Driver’s power
window switch
control

Window motor
pulser input
(’96-’01)
Switch auto
input (’02)

’02-’04



2004 American Honda Motor Co., Inc.

Circuit Index

Circuit Index

Menu

Menu

60

HVAC

A

(

*

18)
20

)

(

*

8)

19

)

(

*

6)
4

)

14

)

(

*

12)

(’96-’03 4)

7

)

A

B

See Ground
Distribution,
page 14-12.

1

5

FUSE 3

CONDENSER FAN RELAY
COOLING FAN RELAY
7.5A

BLK/YEL

2

C403

PHOTO 74
VIEW 90

1

RECIRCULATION
CONTROL
MOTOR

PHOTO 101

2

4

GRN/RED

GRN/WHT

B

1

RED

10

RED/

YEL

9

)

(

*

20)

PNK/

BLK

15

)

(

*

13)

GRY

3

2

4

5

1

AIR MIX
CONTROL
MOTOR

PHOTO 102

2

LT GRN/BLK

BLU

7

)

(

*

19)

LT

GRN/

RED

8

)

(

*

9)

4

MODE
CONTROL
MOTOR

PHOTO 91

7

)

(

*

10)

BLK

BLK

BLK/YEL

UNDER-DASH
FUSE/RELAY
BOX

PHOTO 75

See Power
Distribution,
page 10-6.

Ignition
input

Recirc

Fresh

Ground

2

)

(

*

11)

PNK/BLU

Vent
input

Defrost
input

Position
input

5V
input

Ground

5V
input

Position
input

Hot
input

Cool
input

Ground

Sensor
ground

Mode
motor
vent

Mode
motor
defrost

Mode
motor
position

5V
reference

Air
mix
position

Air
mix
hot

Air
mix
cool

Battery
(back-up)

PNK/BLU

UNDER-HOOD
FUSE/RELAY
BOX

PHOTO 33

WHT/YEL

WHT/YEL

WHT/YEL

WHT/YEL

See Power
Distribution,
page 10-15.

6

C446

PHOTO 108
VIEW 79

4

C327

PHOTO 73
VIEW 89

7

C307

PHOTO 37
VIEW 47

FUSE 56

BACK UP
RADIO
7.5A

WHT/YEL

G402

PHOTO 106

WHT/YEL

BLK/YEL

BLK/YEL

BLK/YEL

See Power
Distribution,
page 10-6.

GRY

GRY

B

A

3

3

C448
(Terminals 1-6)

PHOTO 111
VIEW 80

BLK/YEL

3

C446

PHOTO 108
VIEW 79

(’96-’03

10)
16

)

C446

PHOTO 108
VIEW 79

BLK

A

20

GAUGE
ASSEMBLY

PHOTO 71 (’96-’03)
PHOTO 212
VIEW 113

GRY

GRY

GRY

C477

PHOTO 97
VIEW 29

C446

PHOTO 108
VIEW 79

7

C446

PHOTO 108
VIEW 79

(’96-’03 19)

20

)

PNK/BLU

PNK/BLU

PNK/BLU

PNK/BLU

Climate Control

HOT IN ON

HOT AT ALL TIMES

*

 = ’04 Navigation



2004 American Honda Motor Co., Inc.

Circuit Index

Circuit Index

Menu

Menu

How the Circuit Works

How the Circuit Works

+

60-1

HVAC

5

)

(

*

7)

5

)

(

*

4)

16

)

(

*

14)

6

)

(

*

5)

4

)

(

*

3)

(’96-’03 13)

14

)

(’96-’03 12)

13

)

(’96-’03 11)

12

)

Climate Control

Evaporator
temperature
input

Outside air
temperature input

In-car
temperature input

Sunlight
sensor input

2

C476

PHOTO 97
VIEW 94

1

WHT/RED

SUNLIGHT
SENSOR

PHOTO 69

1

BRN

EVAPORATOR
TEMPERATURE
SENSOR

PHOTO 102

C212

PHOTO 3

2

BRN/WHT

OUTSIDE AIR
TEMPERATURE
SENSOR

PHOTO 3

2

BRN/BLK

IN-CAR
TEMPERATURE
SENSOR

PHOTO 70

1

C446

PHOTO 108
VIEW 79

B

BRN/WHT

WHT/RED

PNK/BLU

PNK/BLU

PNK

C212

PHOTO 3

1

WHT/RED

BRN/BLK

BRN/BLK

PNK/BLU

C526

PHOTO 102

1

C526

PHOTO 102

2

22

BLK

BRN/WHT

YEL/GRN

WHT/BLU

C476

PHOTO 97
VIEW 94

2

PNK/BLU

PNK/BLU

PNK/BLU

CLIMATE
CONTROL
UNIT

PHOTO 201 (’04)
VIEW 103

C476

PHOTO 97
VIEW 94

9

BRN/WHT

BRN/WHT

A

19

GAUGE
ASSEMBLY

PHOTO 71
(’96-’03)
PHOTO 212
VIEW 113

PNK/BLU

Outside air
temperature
input

PNK/BLU

C201

PHOTO 112
VIEW 71

6

BRN/WHT

C201

PHOTO 112
VIEW 71

7

RED/BLK

(

*

2)

6

See Dash and
Console Lights

+

Illumination

RED

See Dash and
Console Lights

A

A

A

4

LT GRN

C446

PHOTO 108
VIEW 79

11

B

4

5

BRN/WHT

10

3

12

YEL

21

2

BLK/WHT

11

See Dash,
Console and
Ashtray Lights

B

YEL/GRN

(

*

17)

11

See Rear
Window
Defogger

B

LT GRN

BRN/WHT

YEL

NAVIGATION
DISPLAY
UNIT

PHOTO 159
VIEW 88

S0

S1

CLK2

Dash lights
cancel

Defog
control

’04 Navigation

*

= ’04 Navigation



2004 American Honda Motor Co., Inc.

Circuit Index

Circuit Index

Menu

Menu

How the Circuit Works

How the Circuit Works

60-2

HVAC

(’96-’03 20)

9)

12

)

(’04 Navi 6)

17

)

(’04 Navi 15)

C456
(Terminals
17-20)

PHOTO 103
VIEW 81

See Power
Distribution,
page 10-2.

FUSE 3

CONDENSER FAN RELAY
COOLING FAN RELAY
7.5A

See Power
Distribution,
page 10-6.

POWERTRAIN
CONTROL
MODULE
(PCM)

PHOTO 104
VIEW 115

(ACC)

YEL/BLK

A/C on
input

(ACS)

RED/WHT

A

8

FUSE 5

A/C CLUTCH
(FR HEATED SEAT)
20A

C404

PHOTO 
76
VIEW 49

3

UNDER-
DASH
FUSE/
RELAY
BOX

PHOTO 75

BLK/YEL

C331

PHOTO 75
VIEW 66

10

WHT/BLK

1

2

3

4

A/C
COM-
PRESSOR
CLUTCH
RELAY

PHOTO 25

C132

PHOTO 64

LT BLU

RED

(On Bracket)

BLK

A/C
COMPRESSOR
CLUTCH

C325

PHOTO 73
VIEW 76

4

G201

PHOTO 19

BLK

A/C
Pressure
switch input

(PDSW)

4

2

1

3

FAN
CONTROL
UNIT

PHOTO 103
VIEW 52

RED

4

C404

(Not
used)

UNDER-
HOOD
RELAY
BOX A

PHOTO 23

See Ground
Distribution,
page 14-2.

Relay
control

(

*

6)
8

)

C328

PHOTO 72
VIEW 48

RED/

WHT

A/C on
input

A/C on ouput

2

PNK

8

3

C

GRN/RED

1

2

C201

PHOTO 112
VIEW 71

GRN/RED

GRN/RED

GRN/RED

4

3

5

RED/WHT

RED/WHT

WHT/BLK

C103

PHOTO 48
VIEW 55

2

RED

BLK

BLK

YEL/BLK

A/C
PRESSURE
SWITCH
A: High–low
B: Middle

PHOTO 1

1

2

RED/WHT

ENGINE
COOLANT
TEMPERATURE
(ECT) SENSOR

PHOTO 10

See
PGM-FI

9

C101

PHOTO 48
VIEW 53

RED/WHT

RED/WHT

RED/WHT

1

C446

PHOTO 108
VIEW 79

RED/WHT

C114
(Terminals
8-14)

PHOTO 6
VIEW 57

See
PGM-FI

GRN/BLK

C103

PHOTO 48
VIEW 55

1

GRN/BLK

GRN/BLK

D

22

GRN/BLK

GRN/BLU

GRN/BLU

(SG2)

Sensor
ground

B

CLIMATE
CONTROL
UNIT

PHOTO 201 (’04)
VIEW 103

YEL/BLK

ECT
sensor
input

A/C
ON
output

Middle pressure
switch input

B

A

GRN/BLU

*

 = ‘96-’98

Climate Control

HOT IN ON

HOT AT ALL TIMES



2004 American Honda Motor Co., Inc.

Circuit Index

Circuit Index

Menu

Menu

How the Circuit Works

How the Circuit Works

 

 

 

 

 

 

 

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