Honda Accord Electrical Troubleshooting Manual - part 42

 

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Honda Accord Electrical Troubleshooting Manual - part 42

 

 

60-4

HVAC

BLK/YEL

BLK/YEL

BLK/YEL

BLK/YEL

BLU/RED

BLU/RED

See page
14-8.

See Dash and
Console Lights

WHT/YEL

B2

J12

Climate Control

Fuse 3

7.5A

Driver’s
Under-dash
Fuse/Relay
Box

PHOTO 85
VIEW 60

HOT IN ON

B1

Climate
Control
Unit

PHOTO 83
VIEW 57

O13

B8

BLK

Fuse 13

7.5A

Passenger’s
Under-dash
Fuse/Relay
Box

PHOTO 91
VIEW 67

HOT AT ALL TIMES

G401

PHOTO 96

D11

Fuse 3

7.5A

HOT IN ON

D1

1

4

2

3

A/C
Compressor
Clutch Relay

Under-
hood
Fuse/
Relay
Box

PHOTO 9
VIEW 68

Fuse 58

20A

HOT AT ALL TIMES

Driver’s
Under-dash
Fuse/Relay
Box

PHOTO 85
VIEW 60

O13

A17

(ACC)

Relay
control

RED

21

C204

PHOTO 91
VIEW 52

RED

PCM

PHOTO 114
VIEW 66

D7

RED

A/C
Compressor
Clutch

YEL/GRN

A11

2

1

2

A/C
Pressure
Switch
1 = Low
2 = High

PHOTO 6

GRY

A2

YEL/GRN

1

2

Evaporator
Temperature
Sensor

PHOTO 117

A14

Climate
Control
Unit

PHOTO 83
VIEW 57

See page 10-12.

See page 10-5.

WHT/YEL

A8

RED/BLK

YEL/GRN

Blower Controls

LT BLU

BLK

See page 10-12.

See page 10-5.

See page 10-5.

See Circuit 408,
page 15-8.

YEL/GRN

See page
10-5.

BRN

See Dash and
Console Lights

A10

RED

1

C201

PHOTO 120
VIEW 45

1

GRY

A/C ON

input

(ACS)

A27

Climate
Control
Unit

PHOTO 83
VIEW 57

PCM

PHOTO 114
VIEW 66

See
page 10.

C6

H17

Passenger’s
Under-dash
Fuse/Relay
Box

PHOTO 91
VIEW 67

A/C
Compressor

PHOTO 56

LT BLU

LT BLU

See Rear
Window Defogger

B7

BRN/YEL



Circuit Index

Circuit Index

Menu

Menu

How the Circuit Works

How the Circuit Works

s

t

s

t

+

60-5

HVAC

RED/WHT

BLK/YEL

See page
10-5.

C1

Fuse 56

40A

Under-hood
Fuse/Relay
Box

PHOTO 9
VIEW 68

HOT AT ALL TIMES

D1

D14

Blower
Motor
Relay

Blower
Motor
High
Relay

PHOTO 119

Fuse 3

7.5A

Driver’s
Under-dash
Fuse/Relay
Box

PHOTO 85
VIEW 60

G401

PHOTO 96

BLK/YEL

Q5

BLK

G202

PHOTO 65

 

Blower
Power
Transistor

PHOTO 115

BLU/RED

ORN/BLK

BLU/ORN

M

BLK/YEL

1

3

5

3

5

4

1

4

Climate
Control
Unit

PHOTO 83
VIEW 57

B5

B6

3

C202

PHOTO 120
VIEW 17

YEL/BLK

YEL/BLK

B3

B4

BLK

BLK

BLU/RED

BLK/YEL

BLU/RED

2

1

Blower
Motor

PHOTO 115

O13

BLU/RED

1

2

3

4

See Circuit Z28,
page 15-18 (L4), 15-19
(’98-’99 V6) or (’00-’02 V6)

See page
14-6.

BLK/YEL

GRN/BLK

See page
14-8.

BLK

A/C Compressor Controls

BLK

BLK

PCM

PHOTO 114
VIEW 66

(SG2)

Sensor
ground

GRN/BLK

See Circuit E90,
page 15-11,
(’98-’99) or
(’00-’02 V6).

RED/WHT

2

1

C18

ECT
Sensor

PHOTO 21
PHOTO 43 V6

Climate Control

HOT IN ON



Circuit Index

Circuit Index

Menu

Menu

How the Circuit Works

How the Circuit Works

s

t

s

t

60-6

HVAC

See page
10-5.

Fuse 3

7.5A

Driver’s
Under-dash
Fuse/Relay
Box

PHOTO 85
VIEW 60

HOT IN ON

A13

GRY

7

S5V

A1

PNK/BLK

3

AMD-P

A9

RED/WHT

1

M-COOL

A7

RED/YEL

2

M-HOT

A6

BLU/WHT

2

M-VENT

A5

BLU/BLK

1

M-DEF

A20

GRN/BLK

6

MODE1

A19

GRN/YEL

5

MODE2

A18

LT GRN/

BLK

4

MODE3

A17

BLU/GRN

3

MODE4

A11

YEL/GRN

Climate
Control
Unit

PHOTO 83
VIEW 57

YEL/GRN

Mode

Control

Motor

PHOTO 106

VIEW 21

Air Mix

Control

Motor

PHOTO 113

VIEW 19

5

YEL/GRN

S-COM

7

YEL/GRN

S-COM

5

GRN/RED

A3

7

A4

Recirculation
Control
Motor

PHOTO 119
VIEW 23

BLK/YEL

1

IG2

Q5

FRS

REC

GRN/WHT

BLK/YEL

See page 10-5.

See Circuit 408,
page 15-8.

Climate Control



Circuit Index

Circuit Index

Menu

Menu

How the Circuit Works

How the Circuit Works

s

t

s

t

+

60-7

HVAC

See Circuit 408,
page 15-8.

A12

Climate
Control
Unit

PHOTO 83
VIEW 57

YEL/GRN

2

WHT/RED

1

8

WHT/RED

Sunlight
Sensor

PHOTO 80

A16

YEL/GRN

1

YEL/RED

2

1

C401

PHOTO 99
VIEW 53

YEL/RED

In-Car
Temperature
Sensor

PHOTO 82

A15

YEL/GRN

2

1

BRN/WHT

Outside Air
Temperature
Sensor

PHOTO 4

A11

YEL/GRN

BRN/WHT

16

C201

PHOTO 120
VIEW 45

Climate Control



Circuit Index

Circuit Index

Menu

Menu

How the Circuit Works

How the Circuit Works

s

t

s

t

 

 

 

 

 

 

 

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