Acura RL (1996-2004 year). Instruction — page 69

74-2

Low Fuel Indicator Light

How the Circuit Works

WARNING

Do not smoke while working on the fuel system.
Keep open flame away from the work area.
Drain fuel only into an approved container.

’96-’03

A thermistor is mounted in the fuel tank unit. When
the thermistor is cool, its resistance is very high.
When the thermistor is warm, its resistance
decreases. Fuel in the fuel tank transfers heat away
from the thermistor fast enough to keep it cool so
the thermistor’s resistance stays high and the low
fuel indicator light does not come on. When the fuel
level drops below about 2.2 gallons, the thermistor
is no longer immersed in fuel. Without the fuel to
cool it, the thermistor’s resistance decreases,
allowing current to flow through the low fuel
indicator light and the thermistor to ground, and the
low fuel indicator light comes on.

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

Menu

80

Gauge Assembly

C477

PHOTO 97
VIEW 29

See Power
Distribution,
page 10-15.

7

C502

PHOTO 77
VIEW 83

C307

PHOTO 37
VIEW 47

1

A

C325

PHOTO 73
VIEW 76

See Power
Mirror
Defoggers

WHT/RED

WHT/RED

WHT/RED

1

9

22

UNDER-
DASH
FUSE/
RELAY
BOX

PHOTO 75

IMMOBI-
LIZER
SYSTEM
INDICA-
TOR
LIGHT

FUSE 56

BACK UP
RADIO
7.5A

See Power Distribution,
page 10-10.

UNDER-HOOD

FUSE/RELAY

BOX

PHOTO 33

C331

PHOTO 75
VIEW 66

2

3

See Ground
Distribution,
page 14-6.

G301

PHOTO 31

5

BLK

GAUGE
RELAY

PHOTO 27

UNDER-
HOOD
RELAY
BOX C

PHOTO 23

6

WHT/YEL

YEL

YEL

FUSE 20

ECU
20A

See Power
Distributon,
page 10-10.

FUSE 13

METER
7.5A

1

11

BLK/YEL

WHT/RED

2

RED/YEL

P

!

– +

To page
80-2.

SEAT
BELT
REMINDER
LIGHT

MAINTE-
NANCE
REMINDER
LIGHT

From C on
page 80-2.

BRAKE
SYSTEM
INDICA-
TOR
LIGHT

To page
80-2.

USA

Canada

CHARG-
ING
SYSTEM
INDICA-
TOR
LIGHT

HI
BEAM
INDICA-
TOR
LIGHT

USA

Canada

MAL-
FUNCTION
INDICATOR
LIGHT
(MIL)

B

20

See
Headlights

RED/

GRN

21

See
Seat Belt
Reminder

RED/BLU

5

See
Brake
System
Indicator
Light

GRN/RED

A

5

See
Charging
System

WHT/BLU

4

See
PGM-FI

LT GRN/RED

B

19

See
Immobilizer
System

PNK

16

See
Headlights

RED/

BLU

FUSE 55

METER
15A

See Power
Distributon,
page 10-8.

See Power
Distribution,
page 10-9.

WHT/YEL

BLK/YEL

5

WHT/RED

WHT/

YEL

‘96-‘97

LOW
EN-
GINE
OIL
PRES-
SURE
INDI-
CATOR
LIGHT

3

See
Engine Oil
Pressure
Indicator
Light

YEL/RED

’97

7

(Not
used)

B

C476

PHOTO 97
VIEW 94

14

GRY

HOT IN ON OR START

HOT AT ALL TIMES

2004 American Honda Motor Co., Inc.

Circuit Index

Circuit Index

Menu

Menu

How the Circuit Works

How the Circuit Works

+

80-1

Gauge Assembly

‘96-‘97

RIGHT
TURN
SIGNAL
INDICA-
TOR
LIGHT

From
page
80-3.

LEFT
TURN
SIGNAL
INDICA-
TOR
LIGHT

13

PNK/BLU

A

12

See Turn
Signal Lights

GRN/YEL

TCS
INDICA-
TOR
LIGHT

ABS
INDICA-
TOR
LIGHT

7

See
TCS

BLU/GRY

22

See
ABS

BLU/WHT

LOW
FUEL
INDICA-
TOR
LIGHT

A

8

See
Low Fuel
Indicator
Light

BLU/RED

SRS
INDICATOR
LIGHT

LIGHTS-
ON
INDICATOR
LIGHT

18

See
Lights-on
Reminder

RED/BLK

B

15

See
SRS

BLU/WHT

See Ground
Distribution,
pages 14-8
and 14-9.

10

G401

PHOTO 79

9

BLK

BLK

BLK

BLK

From
page
80-2.

To page
80-2.

B

GAUGE

ASSEMBLY

PHOTO 71

VIEW 113

(USA)

(Canada)

SRS Indicator
Circuit

17

See
Headlights
(Canada)

YEL

DRL
INDICA-
TOR
LIGHT

2004 American Honda Motor Co., Inc.

Circuit Index

Circuit Index

Menu

Menu

How the Circuit Works

How the Circuit Works

80-2

Gauge Assembly

SELECT/

RESET

SWITCH

A

See Dash and
Console Lights

BRN/WHT

From
page 80.

A

1

See
PGM-FI

BLU

SELECT/
RESET
SWITCH
LIGHT

5

RED/

BLK

4

RED

2

See Ground
Distribution,
page 14-8.

BLK

BLK

G401

PHOTO 79

1

GRN/WHT

15

3

BLK/

WHT

16

BRN/WHT

19

See A/C Compressor
Controls, page 60-1.

PNK/BLU

OUTSIDE AIR
TEMPERATURE
SENSOR

PHOTO 3

C201

PHOTO 112
VIEW 71

7

BRN/WHT

BRN/

WHT

C476

PHOTO 97
VIEW 94

9

BRN/

WHT

See HVAC

A

2

CLIMATE
CONTROL
UNIT

VIEW 103

Sensor
ground

PNK/BLU

GRY

20

See
HVAC

BLU/WHT

A

18

See Vehicle
Speed Sensor

See Dash and
Console Lights

From
page 80-1.

(Not
used)

To page
80-1.

FIP
(Display)

ODO/
Trip
Indicator

Outside
Air
Temperature

From
page 80.

Speedometer
Drive Circuit

Main Circuits

Power Supply

Micro Computer

Non-volatile
storage

Fluorescent Light
Power Supply

Beeper

To page
80.

A

14

Select

Reset

Tachometer
Drive Circuit

Power Supply
Circuit

C212

PHOTO 3

1

PNK

C212

PHOTO 3

2

BLK

‘96-‘97

Protection Circuit

2004 American Honda Motor Co., Inc.

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Circuit Index

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How the Circuit Works

How the Circuit Works

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