Honda Accord Electrical Troubleshooting Manual - part 29

 

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Honda Accord Electrical Troubleshooting Manual - part 29

 

 

23-4

Fuel and Emissions (L4)

G101

PHOTO 14

C3

Sensor
input

  (KS)

RED/BLU

Knock
Sensor

PHOTO 69

PCM or ECM

PHOTO 114
VIEW 66

BLK

Vehicle
speed input

      (VSS)

3

C23

VSS

PHOTO 37

BLU/WHT

M/T

See Circuit E93,
page 15-11.

BLU/WHT

LX, EX, SE

G101

PHOTO 14

BRN/BLK

Ground

(LG1)

B20

BRN/BLK

See page 14.

See page 14.

BRN/BLK

PGM-FI System

 

(All models

)



Circuit Index

Circuit Index

Menu

Menu

s

t

s

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+

23-5

Fuel and Emissions (L4)

See page
10-6.

See page 14.

BLK/YEL

(All except ULEV)

4

BLK/YEL

2

WHT

BLK/WHT

3

GRN/BLK

1

Primary
HO2S

PHOTO 11

Fuse 6

15A

Driver’s
Under-dash
Fuse/Relay
Box

PHOTO 85
VIEW 60

HOT IN ON OR START

C1

C16

Sensor
input

(PHO2S)

I

12

C18

See Circuit Z28,
page 15-18.

2

WHT/RED

4

WHT/RED

BLK

1

3

Secondary
HO2S

PHOTO 72

A8

A23

Sensor
input

(SHO2S)

G101

PHOTO 14

12

C204

PHOTO 91
VIEW 52

LT GRN

(PO2SHTC)

Heater
control

  (SG2)

Sensor
ground

(SO2SHTC)

Heater
control

BLK/WHT

13

C204

PHOTO 91
VIEW 52

See page
10-6.

BLK

BLK

WHT

BLK

PCM or ECM

PHOTO 114
VIEW 66

LT GRN

BLK/WHT

BRN/BLK

BRN/BLK

BLK

WHT

PCM or ECM

PHOTO 114
VIEW 66

GRN/BLK

BLK/YEL

BLK/YEL

BRN/BLK

See page 14.

GRN/BLK



Circuit Index

Circuit Index

Menu

Menu

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t

s

t

23-6

Fuel and Emissions (L4)

See Circuit Z28,
page 15-18.

RED/BLU

BLK/YEL

4

2

RED

BLK/WHT

3

1

Primary HO2S
(’98-’00 models)
A/F Sensor
(’01-’02 models)

PHOTO 11

Fuse 6

15A

Driver’s
Under-dash
Fuse/Relay
Box

PHOTO 85
VIEW 60

HOT IN ON OR START

B19

PCM

PHOTO 114
VIEW 66

C14

Sensor
input

(PHO2S+)

I

12

C18

2

WHT/RED

4

WHT/RED

BLK/WHT

1

3

Secondary
HO2S

PHOTO 72

A8

A23

Sensor
input

(SHO2S)

12

C204

PHOTO 91
VIEW 52

GRN/BLK

(PO2SHTC)

Heater
control

  (SG2)

Sensor
ground

(SO2SHTC)

Heater
control

BLK/WHT

13

C204

PHOTO 91
VIEW 52

C15

(PHO2S–)

Sensor
input

BLU

PGM-FI System (ULEV

)

WHT

C13

     (PO2SHTC+)

Heater control
voltage input

GRN/

RED

B16

(PO2SHTCR)

Relay
control

12

)

(M/T 8)

C102

PHOTO 34
VIEW 40

WHT

WHT

Fuse 6

20A

Passenger’s
Under-dash
Fuse/Relay
Box

PHOTO 91
VIEW 67

HOT AT ALL TIMES

J1

1

2

3

5

B

From B
on this
page.

BLK/

YEL

4

GRN/

RED

Primary
HO2S Relay
(’98-’00 models)
A/F Sensor Heated
Control Relay
(’01-’02 models)

PHOTO 123

B

To B
on this
page.

BLK

WHT

WHT

BLK

BLK

GRN

LT GRN

BLK

See page
10-6.

PCM

PHOTO 114
VIEW 66

(Not Used)

4

C203

PHOTO 120

H8

RED/BLU

BLK/YEL

See page
10-6.

BLK/YEL

BLK/YEL

RED

G101

PHOTO 14

See
page 14.

BRN/BLK

BLK

See
page 14.

GRN/BLK

WHT



Circuit Index

Circuit Index

Menu

Menu

s

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+

23-7

Fuel and Emissions (L4)

See Circuit D04,
page 15-8.

G101

PHOTO 14

See page
14-1.

Fuse 1

15A

Driver’s
Under-dash
Fuse/Relay
Box

PHOTO 85
VIEW 60

Idle Control System

HOT IN ON OR START

6

3

PGM-FI
Main
Relay

PHOTO 99
VIEW 22

2

RED/WHT

O1

5

Fuse 46

15A

Under-hood
Fuse/Relay
Box

PHOTO 9
VIEW 68

HOT AT ALL TIMES

WHT/GRN

A17

7

PCM or ECM

PHOTO 114
VIEW 66

BLK

Fuse 13

7.5A

BLU/ORN

Q10

YEL/BLK

HOT WITH ENGINE CRANKING

WHT/GRN

BLK

See page 10-4.

See page 10.

GRN/YEL

BLK/YEL

4

1

Fuel Supply System

BLU/ORN

K18

1

BLK

G101

PHOTO 14

BLK/BLU

B23

(IACV)

Valve
control

3

IAC
Valve

PHOTO 15

YEL/BLK

2

BLK

See page 14-1.

A24

(STS)

Start
input

BLU/ORN



Circuit Index

Circuit Index

Menu

Menu

s

t

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