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Honda Accord Electrical Troubleshooting Manual - part 38

ABS/TCS (Anti-lock Brake/Traction Control System)

(FRW(–))

(FRW(+))

(RRW(–))

(RRW(+))

(RLW(–))

(RLW(+))

(FLW(–))

(FLW(+))

Speed sensor inputs

C202

PHOTO 120
VIEW 17

BRN

ABS/TCS
Control
Unit

PHOTO 195
VIEW 76

C201

PHOTO 120
VIEW 45

GRN/BLU

C301

PHOTO 98
VIEW 51

GRN/BLU

A22

GRY

A21

C201

PHOTO 120
VIEW 45

LT BLU

(Not
Used)

O10

B14

B13

Driver’s
Under-dash
Fuse/Relay
Box

PHOTO 85
VIEW 60

GRY

LT BLU

A24

BLU/YEL

A23

GRN/YEL

(Not
Used)

Passenger’s
Under-dash
Fuse/Relay
Box

PHOTO 91
VIEW 67

A10

GRN

A11

GRN/BLK

Left
Front
Wheel
Speed
Sensor

PHOTO 61

Left
Rear
Wheel
Speed
Sensor

PHOTO 74

Right
Rear
Wheel
Speed
Sensor

PHOTO 74

Right
Front
Wheel
Speed
Sensor

PHOTO 61

GRY

WHT

GRY

WHT

GRY

WHT

BRN/BLK

GRN/YEL

TCS
Relay

PHOTO 9

Fuse 52

20A

HOT AT ALL TIMES

Under-hood
Fuse/Relay
Box

PHOTO 9
VIEW 68

BLU

From page
44-5.

Left
TCS
Solenoids

YEL/GRN

GRY

Right
TCS
Solenoids

LTBLU

A16

RED/GRN

A15

RED/BLU

ABS/TCS
Modulator
Unit

PHOTO 67
VIEW 77

B13

(NCL)

(TCSR)

(NOL)

(NOR)

(NCR)

Left TCS solenoid control

TCS relay
control

Right TCS solenoid control

’01-’02 V6

44-7

–

Circuit Index

ABS/TCS (Anti-lock Brake/Traction Control System)

Fuse 9

7.5A

YEL

RED/WHT

Cruise
Control/TCS
Switch
0 = Off
1 = On

PHOTO 192
VIEW 78

Gauge
Assembly

PHOTO 87
VIEW 61

C204

PHOTO 91
VIEW 52

See Circuit F44,
page 15-13.

HOT IN ON OR START

Driver’s
Under-dash
Fuse/Relay
Box

PHOTO 85
VIEW 60

Fuse 6

15A

BLK/YEL

PCM

PHOTO 114
VIEW 66

A19

RPM
output

(NEP)

A13

TCS
operation
permission
output

(PFINH)

A31

Throttle
position
output

(THLOUT)

A11

A/T gear
position
output
signal

(ATSFTP)

A22

Engine
retard
request
input

(FPTDR)

Reference
voltage

(VREF)

See page
10-9.

See page 10-7.

YEL

See page 10-9.

See page 10-7.

’01-’02 V6

TCS
Indicator

B16

RED/WHT

Gauges
and
Indicators

HOT IN ON OR START

Cruise
Control

TCS
Switch

B11

BLK/YEL

(TCS1)

(TCS2)

TCS indicator light control

RED/WHT

B18

A18

B10

B11

Passenger’s
Under-dash
Fuse Relay
Box

PHOTO 91
VIEW 67

ABS/TCS
Control
Unit

PHOTO 195
VIEW 76

ORN/WHT

PNK

WHT/RED

LT GRN

RED/BLU

BLU

ORN/WHT

PNK

WHT/RED

LT GRN

RED/BLU

BLU

(TCS SW)

TCS
switch
input

(FPTDR)

Engine
retard
request
output

(VREF)

Reference
voltage

(ATSFTP)

A/T gear
position
input

(THLOUT)

Throttle
position
input

(PFINH)

TCS
operation
permission
input

(NEP)

RPM
input

44-8

Circuit Index

SRS (Supplemental Restraint System)

GRN

BRN

GRN

BLU/YEL

GRN

YEL

GRN

RED

GRN

LT GRN/RED

GRN

LT GRN/BLK

GRN

BLK

GRN

Fuse 1

15A

HOT IN ON OR START

Driver’s
Under-dash
Fuse/Relay
Box

PHOTO 85
VIEW 60

To avoid accidental deployment and
possible injury, always disconnect the
driver’s airbag and front passenger’s
airbag connectors (which automatically
shorts them) before working near any
SRS wiring.

CAUTION: Whenever the ignition switch
is ON (II), or has been turned OFF for
less than three minutes, be careful not to
bump the SRS unit; the airbags could
accidentally deploy and cause damage
or injuries.

Driver’s Airbag

Steering Wheel

Indicators

SRS
Indicator

SRS

Fuse 2

10A

Fuse 9

7.5A

Gauge
Assembly

PHOTO 87
VIEW 61

RED/BLU

GRN

SRS Indicator Circuit

BLK/WHT

GRN

YEL

B11

Ignition
input
(VA)

Ignition
input
(VB)

Airbag
control

Front
Passenger’s
Airbag

PHOTO 108

Airbag
control

Cable
Reel

PHOTO
193

DLC
input/
output

BLK

GRN

MES
connector
input

BLK

GRN

Ground

See Circuit F28,
page 15-12.

BLU

GRN

SRS indicator
control

BLU

BLK

B16

C503

PHOTO 106

G501

PHOTO 108

Service
check
input

G801

PHOTO 109

C503

PHOTO 106

See Circuit F29,
page 15-13.

BRN

LT BLU

MES Connector

PHOTO 104

SRS
Unit

PHOTO 109
VIEW 64

See page
10-9.

See page
10-4.

YEL

BLK

BRN

LT BLU

RED

See page 10-9.

See page 14-10.

DLC

PHOTO 95
VIEW 47

WARNING

’98-’99 Models

)

(

)

(

= Non-SAE terminal number

used in Service Manual

= Has built-in short contact

Circuit Index

–

47-1

SRS (Supplemental Restraint System)

)

(

)

(

A12

GRN

GRN/

BLK

GRN

YEL

GRN

BLU/YEL

GRN

LT GRN/BLK

GRN

BLK

GRN

Fuse 1

15A

HOT IN ON OR START

Driver’s
Under-dash
Fuse/Relay
Box

PHOTO 85
VIEW 60

To avoid accidental deployment and
possible injury, always disconnect the
driver’s airbag, front passenger’s airbag,
and side airbag connectors (which
automatically shorts them) before
working near any SRS wiring.