Honda Accord Electrical Troubleshooting Manual - part 31

See page 14-3 (’98-’99)
or 14-5 (’00-’02).

Fuse 1

15A

Driver’s
Under-
dash
Fuse/
Relay
Box

PCM Power and Ground

HOT IN ON OR START

PGM-FI
Main
Relay

PHOTO 99
VIEW 22

RED/WHT

Fuse 46

15A

Under-
hood
Fuse/
Relay
Box

PHOTO 9
VIEW 68

HOT AT ALL TIMES

WHT/GRN

A17

PCM

BLK

YEL/BLK

(IGP1)

Power
input

YEL/BLK

Fuse 13

7.5A

BLU/ORN

Q10

YEL/BLK

HOT WITH ENGINE CRANKING

(IGP2)

Power
input

WHT/GRN

BLK

YEL/BLK

See page 10-4.

See page 10.

See Circuit D04, page 15-9.
(’98-’99) or (’00-’02).

Fuel Supply System

See page 10-3.

Fuse 13

7.5A

Passenger’s
Under-dash
Fuse/Relay
Box

PHOTO 91
VIEW 67

HOT AT ALL TIMES

B21

(VBU)

Battery
input

J12

WHT/

YEL

WHT/

YEL

See page
10-12.

B20

Ground

(LG1)

BRN/BLK

BLK

Ground

(PG1)

BLK

B10

Ground

(PG2)

G101

B22

Ground

(LG2)

BLK

See page
14-3 (’98-’99)
or 14-5 (’00-’02).

See page 10-12.

BLK (’98-’99)

BRN/BLK

(’00-’02)

See page
14-2 (’98-’99)
or 14-4 (’00-’02).

BLK (’98-’99)

BRN/BLK (’00-’02)

BLK (’98-’99)

BRN/BLK (’00-’02)

See Circuit F28,
page 15-12.

–

24-1

Fuel and Emissions (V6)

)

(

13)

(

)

See Circuit F29,
page 15-13.

(

)

(

12)

)

(

)

(

15)

Power for PGM tester
(B+, 4 amps max)

Signal ground for
communication
network

Ground
for PGM

K line for
off-board comm

= Non-SAE terminal number

used in Service Manual.

Fuse 46

15A

Under-hood
Fuse/Relay
Box

HOT AT ALL TIMES

PCM

BRN

(SCS)

Service
check input

WHT/GRN

GRY

A21

(K-LINE)

Scan tool
input/output

BLK

See page
14-8.

BRN/BLK

See page 14-2
(’98-’99)
or 14-4 (’00-’02).

DLC

G101

G401

C401

GRY

WHT/GRN

BRN

BLK

See page 10.

DLC and MIL Circuits

Fuse 9

7.5A

Driver’s
Under-dash
Fuse/Relay
Box

HOT IN ON OR START

Gauge
Assembly

PHOTO 87
VIEW 61

YEL

B11

Gauges and
Indicators

MIL

GRN/ORN

A18

(MIL)

MIL control

See page
10-9.

YEL

See page 10-9.

LT BLU

24-2

Fuel and Emissions (V6)

G101

See page 14-3
(’98-’99)
or page 14-5
(’00-’02).

Fuse 1

15A

Driver’s
Under-dash
Fuse/Relay
Box

PGM-FI System

HOT IN ON OR START

PGM-FI
Main
Relay

PHOTO 99
VIEW 22

RED/WHT

Fuse 46

15A

Under-hood
Fuse/Relay
Box

PHOTO 9
VIEW 68

HOT AT ALL TIMES

WHT/GRN

A17

PCM

BLK

(INJ4)

Fuel
Injectors

PHOTO 41

YEL

YEL/BLK

B15

(INJ3)

BLU

YEL/BLK

(INJ2)

RED

YEL/BLK

B11

(INJ1)

BRN

YEL/BLK

Fuse 13

7.5A

BLU/ORN

Q10

YEL/BLK

HOT WITH ENGINE CRANKING

(INJ5)

BLK/RED

YEL/BLK

(INJ6)

WHT/BLU

YEL/BLK

C106
(Terminals
1-8)

PHOTO 48
VIEW 25

Fuel injector control

WHT/GRN

BLK

YEL/BLK

See page 10-4.

See page 10.

See Circuit D04,
page 15-9 (’98-’99)
or (’00-’02).

GRN/YEL

BLK/YEL

Fuel Supply System

See Circuit D04,
page 15-9
(’98-’99) or
(’00-’02).

See page 10-3.

–

24-3

Fuel and Emissions (V6)

Fuse 6

15A

Driver’s
Under-dash
Fuse/Relay
Box

HOT IN ON OR START

PCM

C27

Sensor
input

(TPS)

C18

(SG2)

Sensor
ground

GRN/BLK

RED/BLK

YEL/BLU

TP
Sensor

PHOTO 44

See Circuit Z28, page 15-19
(’98-’99) or (’00-’02).

C26

Sensor
input

(ECT)

RED/WHT

GRN/BLK

ECT
Sensor

PHOTO 43

C25

Sensor
input

(IAT)

RED/YEL

GRN/BLK

IAT
Sensor

PHOTO 52

GRN/RED

A30

(ELD)

ELD unit
input

C204

PHOTO 91
VIEW 52

BLK

ELD
Unit

See Circuit
E90, page
15-11
(’98-’99) or
(’00-’02).

See page
10-7.

BLK/YEL

RED/WHT

GRN/BLK

See page 10-7.

BLK/YEL

C28

Reference
voltage

(VCC2)

See page 14-6.

BLK

G202

PHOTO 65

PCM

RED/GRN

MAP
Sensor

PHOTO 42

YEL/RED

C17

Sensor
input

(MAP)

C19

Reference
voltage

(VCC1)

See page 14-2
(’98-’99) or
14-4 (’00-’02).

PCM

(CKPM)

Sensor
ground

CKP
Sensor

PHOTO 76

WHT

BLU

Sensor
input

(CKPP)

C30

(TDC2M)

Sensor
ground

TDC
Sensor
(1 and 2)

PHOTO 54

RED

C29

Sensor
input

(TDC2P)

C21

(TDC1M)

Sensor
ground

BLK

C20

Sensor
input

(TDC1P)

GRN

YEL

BRN/BLK

G101

See Circuit
D46, page
15-10.

BLK

WHT

BLU

GRN

YEL

RED

BLK

GRN/WHT

Under-hood
Fuse/Relay
Box

PHOTO 9

(SG1)

Sensor
ground

YEL/BLU

See page 10.

Barometric
Pressure
Sensor

PGM-FI System