Acura RL (1996-2004 year). Instruction — page 104

133-12

Security System

How the Circuit Works

Instead of a single control unit, the security system
uses a door multiplex control unit, driver’s multiplex
control unit, and passenger’s multiplex control
unit to receive inputs from the door switches and
other components.

The security system is activated automatically 15
seconds after the hood, trunk, and all the doors
have been closed and locked. The security indicator
on the driver’s door panel will flash after the system
is activated.

If any of the following conditions occur, the horns
will sound and the headlights, side marker lights,
parking lights, and taillights will flash for about two
minutes unless the system is disarmed by unlocking
either front door with the key.

Any door is opened forcibly.

Trunk lid is opened without the key.

Hood is opened.

Engine starter circuit and battery circuit are
bypassed by breaking the ignition switch.

Hood/trunk lid opener is operated.

Panic button on the transmitter is pushed.

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

2004 American Honda Motor Co., Inc.

Circuit Index

Circuit Index

Menu

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134

Trunk Opener

7

FUSE 56

BACK UP
RADIO
7.5A

C307

PHOTO 37
VIEW 47

7

WHT/YEL

See Ground
Distribution,
page 14-5 or 14-9.

Battery
input

1

C412

PHOTO 110
VIEW 96

13

C327

PHOTO 73
VIEW 89

4

BLK

14

Trunk
opener
switch
input

12

Ground

BLK

WHT/

YEL

WHT/

YEL

(’96-’03 BLU/BLK)

BLU/WHT

DOOR
MULTIPLEX
CONTROL
UNIT

PHOTO 137
VIEW 87

TRUNK
OPENER
SWITCH

1

2

WHT/

YEL

WHT/

YEL

See Power
Distribution,
page 10-15.

15

Door
D-line

DRIVER’S
MULTIPLEX
CONTROL
UNIT

PHOTO 79
VIEW 114

10

22

9

C405

11

B

Battery
input

D-A
line

A-D
line

Wakeup

UNDER-DASH

FUSE/RELAY

BOX

PHOTO 75

See Ground
Distribution,
page 14-4 or 14-8.

8

A

BLK

C406

PHOTO 74
VIEW 3

4

BLK

C401

PHOTO 77

2

Ground

C331

PHOTO 75
VIEW 66

13

(Not
used)

C412

PHOTO 110
VIEW 96

14

BRN/YEL

B

23

Door
D-line

BRN/YEL

G401 (’96-’98)

PHOTO 79

G251 (’99-’04)

PHOTO 46

See Ground
Distribution,
page 14-4
or 14-8.

BLK

A

PNK/BLU

RED/YEL

BRN/WHT

WHT/YEL

BLK

(’99-’01 YEL)

YEL/GRN

)

HOT AT ALL TIMES

2004 American Honda Motor Co., Inc.

Circuit Index

Circuit Index

Menu

Menu

+

134-1

Trunk Opener

FUSE 44

DOOR LOCK
20A

C306

PHOTO 36
VIEW 36

2

C528

PHOTO 99

2

C446

PHOTO 108
VIEW 79

4

TRUNK
OPENER
MAIN
SWITCH

PHOTO 99

Trunk
Opener
Solenoid

TRUNK
LATCH

PHOTO 157

C705

PHOTO 157
VIEW 4

See Ground
Distribution,
page 14-17 or 14-18.

G701

PHOTO 148

BLK

C705

PHOTO 157
VIEW 4

4

3

WHT/BLK

C670

PHOTO 150
VIEW 69

13

WHT/BLK

C413

PHOTO 83
VIEW 73

4

WHT/BLK

C442

PHOTO 108
VIEW 92

19

WHT/BLK

B

11

Trunk
opener
solenoid
control

PASSENGER’S
MULTIPLEX
CONTROL
UNIT

PHOTO 107
VIEW 112

C446

PHOTO 108
VIEW 79

5

C528

PHOTO 99

1

YEL

A

5

Trunk
opener
main
switch
input

G404

PHOTO 106

See Ground
Distribution,
page 14-13.

BLK

BLK

BLK

BLK

BLK

BLK

BLK

BLK

BLK

YEL

WHT/BLK

WHT/BLU

WHT/BLU

22

9

10

A

12

Battery
input

D-A
line

A-D
line

Wakeup

PNK/BLU

RED/YEL

BRN/WHT

WHT

WHT

See Power
Distribution,
page 10-13.

WHT

UNDER-HOOD
FUSE/RELAY
BOX

PHOTO 33

WHT

C325

PHOTO 73
VIEW 76

6

2004 American Honda Motor Co., Inc.

Circuit Index

Circuit Index

Menu

Menu

138

Interlock System

’96-’99

C464
(Terminals
14-16)

PHOTO 103
VIEW 82

See Power
Distribution,
page 10-18.

See Ground
Distribution,
page 14-4 or 14-8.

BLK

C470

VIEW 38

8

See Ground
Distribution,
page 14-12.

G402

PHOTO 106

BRAKE PEDAL
POSITION SWITCH
Closed with
brake pedal
pressed.

PHOTO 81

Key Interlock
Switch
Closed with
key pushed.

POWERTRAIN
CONTROL
MODULE
(PCM)

PHOTO 104
VIEW 115

Shift lock
circuit control
(ILU)

(BKSW)
Brake
switch input

(TPS)
TP sensor
input

UNDER-
DASH
FUSE/
RELAY
BOX

PHOTO 75

SHIFT
LOCK
SOLENOID

PHOTO 94

See Power
Distribution,
page 10-8.

THROTTLE
POSITION
(TP)
SENSOR

PHOTO 12

See TCS

C405

PHOTO 74
VIEW 60

2

E

D

4

C101

PHOTO 48
VIEW 53

5

See TCS,
Brakelights

BLK/RED

WHT/YEL

C431

PHOTO 82
VIEW 28

RED/BLK

RED/

BLK

3

RED/

BLK

WHT/GRN

WHT/RED

Key
Interlock
Solenoid

STEERING

LOCK

PHOTO 87

BLK/RED

FUSE 20

ECU
20A

UNDER-HOOD
FUSE/RELAY
BOX

PHOTO 33

C301

PHOTO 36

5

FUSE 39

STOP HORN
15A
(20A

*

)

WHT/YEL

GRN

C

WHT/GRN

UNDER-
DASH
FUSE/
RELAY
BOX

PHOTO 75

1

See A/T Gear
Position
Indicator

C410

PHOTO 79
VIEW 50

C

P

R

N

D4

D3

A/T GEAR
POSITION
SWITCH

PHOTO 66

2

BLK or WHT/BLK

WHT/BLK

C472

PHOTO 95

C472

PHOTO 95

PARK
PIN SWITCH
Closed with shift lever
push button depressed.

PHOTO 95

GRN/WHT

4

5

13

2

26

22

10

2

5

1

WHT/BLK or BLK

BLK/BLU

2

2

6

G401 (‘96-‘98)

PHOTO 79

G251 (‘99-’04)

PHOTO 46

BLK

BLK

4

BLK

BLK

2

RED/BLK

GRN/WHT

GRN/WHT

E

C470

VIEW 38

1

BLK/BLU

C431

PHOTO 82
VIEW 28

8

WHT/YEL

See Wiper/
Washer

GRN/WHT

GRN/WHT

See ABS, VSA,
Cruise Control

B

See Ground
Distribution,
page 14-4 or 14-8.

A

8

DRIVER’S
MULTIPLEX
CONTROL
UNIT

PHOTO 79
VIEW 114

C406

PHOTO 74
VIEW 3

(

**

1) 2

WHT/BLK

BLK/BLU

BLK/BLU

GRN/

WHT

BLK

BLK

C410

PHOTO 79
VIEW 50

3

C471

PHOTO 95

1

Sensor
output

See Power
Distribution,
page 10-8.

BLK/YEL

BLK/

YEL

GRN

C471

PHOTO 95

2

GRN,

YEL or

YEL/BLK

YEL

Key interlock
solenoid control

Key interlock
switch input

Ground

Park pin
switch input

Shift lock
circuit input

Shift lock
solenoid
control

Park
position
input

WHT/RED

*

= ‘99-’04

**

= ’02-’04 USA

(

**

4) 8

GRN/

WHT

HOT IN ON OR START

HOT AT ALL TIMES

2004 American Honda Motor Co., Inc.

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How the Circuit Works

How the Circuit Works

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