Discovery electrical Manual - part 11

SEQUENTIAL MULTIPORT FUEL INJECTION (SFI–V8) (NAS ONLY)

A3

6

CIRCUIT DIAGRAM

15

F 3

20 A

S149

E102

S143

Z132
Engine Control
Module (ECM)

P127
Satellite Fuse
Box 1

WG

GR

OG

34

C1017

33

See Fuse Details

X160
Right Heated
Oxygen Sensor

Z193
Left Heated Oxy-
gen Sensor
Shield

Z194
Right Heated
Oxygen Sensor
Shield

X139
Left Heated Oxy-
gen Sensor

Z193
Left Heated Oxy-
gen Sensor
Shield

Z194
Right Heated
Oxygen Sensor
Shield

Z132
Engine Control
Module (ECM)

YB

S144

SCR

WO

NU

WG

WO

SCR

S146

Partial

A3-7

C

21

C1032 32

C1017

See Ground Dis-
tribution

1

C113

2

C113

3

1

C112

3

4

2

C112

4

RB

NAS

SEQUENTIAL MULTIPORT FUEL INJECTION (SFI–V8) (NAS ONLY)

A3

7

CIRCUIT DIAGRAM

15

F 3

20 A

S151

E102

S143

Z132
Engine Control
Module (ECM)

P127
Satellite Fuse
Box 1

WG

GW

R

17

C1017

8

See Fuse Details

X289
Left Heated Oxy-
gen Sensor (Post
Catalyst)

Z266
Left Heated Oxy-
gen Sensor (Post
Catalyst) Shield

Z267
Right Heated
Oxygen Sensor
(Post Catalyst)
Shield

X290
Right Heated
Oxygen Sensor
(Post Catalyst)

Z266
Left Heated Oxy-
gen Sensor (Post
Catalyst) Shield

Z267
Right Heated
Oxygen Sensor
(Post Catalyst)
Shield

Z132
Engine Control
Module (ECM)

U

S144

SCR

WU

NW

WG

WU

SCR

S147

Partial

28

C1032

See Ground Dis-
tribution

A3-6

C

1

C1020

2

C1020

3

1

C1019

3

4

2

C1019

4

 

NAS

SEQUENTIAL MULTIPORT FUEL INJECTION (SFI–V8) (NAS ONLY)

A3

8

CIRCUIT DIAGRAM

480 

Z132
Engine Control
Module (ECM)

OB

18

6

Z163
Theft Alarm Unit

P

R

N

D

3

2

1

Z273
Neutral Sense
Diode

S322

X167
Park/Neutral
Position Switch

See Ground Dis-
tribution

S343

5

C105

E201

C1017

C1027

S288

9

C105

See Ground Dis-
tribution

BY

YB

BY

5

C323
B

K166
Neutral Sense
Resistor

BO

4

C323

BG

B

HJ11

Automatic Trans-
mission

Manual Trans-
mission

C274

Starting and
Charging

11

C105

10

11

C274

E200

With Theft Alarm

Without Theft
Alarm

10

C274

B

11

C274

E200

See Ground Dis-
tribution

See Ground Dis-
tribution

S204

HJ3

NAS

BO

BO

SEQUENTIAL MULTIPORT FUEL INJECTION (SFI–V8) (NAS ONLY)

A3

9

CIRCUIT DIAGRAM

15

F 14

10 A

S214

P126
Fascia Fuse Box

15

C208

See Fuse Details

LG

Z142
Instrument
Cluster

[12] Vehicle

Speed Out-
put

MALFUNCTION

INDICATOR

LAMP

(CHECK ENGINE)

1

C222

4

C221

17

C209

YK

S2030

HJ2

Instruments

5

C1027

[12]

27

Z132
Engine Control
Module (ECM)

2

RS

11

22

C1032

C2083

C1026

7

1

WLG

15

2

WK

S2114

S2108

Data Link Con-
nector

C1017

23

20

X318
Data Link Con-
nector (OBDII)

2

C222

S2103

Warnings and
Indicators (NAS)

HJ9

NAS