Clock, DPMS, Gauge assembly, Multiplex control
unit, Navigation control unit, OnStar control unit (*8),
OnStar system interface unit (*8), Powertrain control
module (PCM), Security system, Stereo sound
system, XM satellite radio unit (’04)

INTERIOR

10-16

Audio unit, Ceiling lights, Cigarette lighter, Courtesy

LIGHTS

lights, Front spotlights, HomeLink system, Ignition key
light, Trunk light, Vanity light (*4)

WIPER

10-17

Windshield wiper motor

*1: ’96-’97

*2: ’98

*3: ’96-’98

*4: ’99-’04

*5: ’98-’99

*6: ’96-’99

*7: ’00-’04

*8: ’02-’04

Under-hood Fuse/Relay Box

2004 American Honda Motor Co., Inc.

6-6

Ground-to-Components Index

NOTE: All ground wires are BLK unless otherwise noted.

Ground

Page

Component or Circuit Grounded

Battery, Engine cylinder block

Right valve cover

G101

Data link connector (DLC), PCM (PG1 and PG2 are BLK; LG1 and LG2 are BRN/BLK),
PGM-FI main relay, TCS control unit (2 wires, BRN/BLK) (’96-’99), VSA connector unit (2
BRN/BLK) (’00-’04)

Shielding between the PCM and these components (all have BRN/BLK wires):
CKP/CYP sensor, Countershaft speed sensor, Knock sensors, Left and right primary HO2S,
Mainshaft speed sensor, Secondary HO2S

G102

14-1

Shielding between the spark plug voltage detection module and the ignition coils

G151

14-1

Ignition control module (ICM) (2 wires)

G201

14-2

A/C pressure switch, Hood switch, Horns (’96-’98), Keyless buzzer, Right fog
light, Right front parking light (’96-’98), Right front side marker light, Right front turn
signal light (’96-’98), Right front turn signal/parking lights (’99-’04),
Right headlight low beam (’99-’04), Security horn (’99-’00)...... plus
everything grounded through G202

G202

14-2

Spark plug voltage detection module ...... plus everything grounded through G201

G251

14-3

ABS pump motor, ABS pressure switch (’96-’97), Cigarette lighter relay, Driver’s

(*1)

power window relays A & B (‘98-’04), Front seat heater relay, Navigation display

and

unit, Power window master switch relay (’98-’04), Seat heater switches for both

14-4

front seats

(*2)

‘99-’04 only:
Accessory power socket, Automatic lighting control unit, Clock, Cruise control main switch,
Daytime running lights control unit (Canada), Door multiplex control unit, Driver’s door latch
(2 wires), Driver’s door key cylinder switch, Driver’s door lock switch, Driver’s multiplex
control unit, Driver’s power window motor, Gauge assembly, Glove box light, Ignition key
switch, Immobilizer control unit, Left rear door latch, Power mirror control unit, Power seat
control unit, Power window relay, Select/Reset switch, Steering column control unit,
Steering column switch, Turn signal/hazard relay, Trunk opener switch, VSA modulator/
control unit (’00-’04)

G301

14-6

Accessory power socket relay (’99-’04), ABS front and rear fail-safe relays (‘96-‘97),
Brake fluid level switch (’99-’04), Cruise control actuator, Dimmer relay,
Front seat heater relay (‘98-’04), Gauge relay, Left headlight low beam (‘99-’04),
Left fog light, Left front parking light (’96-’98), Left front turn signal
light (’96-’98), Left front turn signal/parking light (’99-’04), Left front side
marker light (’99-’04), Power window master switch relay (‘96-‘97), Radiator
fan main relay, Windshield wiper intermittent relay, Windshield wiper motor relay

G302

14-7

Brake fluid level switch (’96-’98), Left front side marker light (’96-’98),
Radiator fan motor, Windshield washer motor, Windshield wiper motor

*1: ’96-’98

*2: ’99-’04

2004 American Honda Motor Co., Inc.

–

6-7

Ground-to-Components Index

Ground

Page

Component or Circuit Grounded

G401

14-8

Automatic dimming mirror, Cigarette lighter, Combination light switch (2 wires), Cruise

(*1)

control unit, Front/Rear ceiling lights, Gauge assembly, Left power mirror, Left rear door

and

latch, Power mirror control unit, Power mirror switch, Steering column control unit (2 wires:

14-10

’96-’98,1 wire: ’99-’04), Steering column switch, Vanity lights, VSA modulator

(*2)

control unit (’00-’04), Windshield wiper/washer switch ...... plus everything grounded
through G402
For ’96-’98 only:
Automatic lighting control unit, Clock, Cruise control main switch, Daytime running lights
control unit (Canada), Door multiplex control unit, Driver’s door latch (2 wires), Driver’s door
key cylinder switch, Driver’s door lock switch, Driver’s multiplex control unit, Driver’s
window motor, Gauge assembly, Glove box light, Ignition key switch, Immobilizer control
unit, Left rear door latch, Power window relay, Select/Reset switch, Steering column control
unit, Turn signal/hazard relay, Trunk opener switch

G402

14-12

ABS control unit (3 wires on ’96-’97, 2 wires on ’98-’99), A/T gear position switch,
Audio unit, Blower motor high relay, Climate control unit, Data link connector (DLC),
Fan control unit, Front fog light switch (USA), Front passenger’s door key cylinder switch,
Front passenger’s door latch (2 wires), Front passenger’s door lock switch, Multiplex
control inspection connector, Park pin switch, Passenger’s multiplex control unit (2 wires),
Power transistor, Rear window defogger switch, Right power mirror, Shielding between
audio unit and stereo amplifier with Bose sound system (’96 model), VSA converter unit
(’00-’04)......plus everything grounded through G401

G403

14-19

Audio unit, Shielding between audio unit and stereo amplifier with Bose sound system
(’97-’04), Shielding for all VSA components

G404

14-13

ABS control unit (2 wires), Blower motor relay, Passenger’s multiplex control unit,
Trunk opener main switch, VSA convertor unit (’00-’04)

G601

14-14

Front passenger’s occupant detection system unit (’99-’04), Front passenger’s
seat belt switch, Front passenger’s seat heater, OnStar control unit (*3), Right rear door
ashtray light, Right rear door latch (2 wires), Right rear window switch (’98-’04),
TCS control unit, Yaw rate lateral/acceleration sensor shield (’00-’04)......
plus everything grounded through G641

G602

14-15

Keyless control unit, Moonroof open and close relays, Shielding between moonroof
relays and motor, Yaw rate lateral/acceleration sensors Shield (’00-’04)

G603

14-15

Navigation unit, Stereo amplifier (2 wires) (Bose sound system)

G641

14-14

Front passenger’s power seat switch, ...... plus everything grounded through G601

G651

14-16

Automatic lighting control unit (USA), Daytime running lights control unit (Canada), Driver’s
seat belt switch, Driver’s lumbar switch, Driver’s seat heater, Left rear door ashtray light,
Left rear door latch, Left rear window switch (’98-’04), Power seat control unit (2 wires),
Traction control unit
(‘97-‘99).......plus everything grounded through G681

G652

14-16

Fuel pump, Fuel tank unit

G681

14-16

Power seat control unit, ...... plus everything grounded through G651

G701

14-17

(*1) High mount brake light, Left and right brake lights failure sensors (’99-’04) , Left and right

and

license plate lights, Left and right rear turn signal lights, Left and right taillights, XM satellite

14-18