Discovery electrical Manual - part 12

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

A3

10

CIRCUIT DIAGRAM

NAS

F 1

30 A

P114
Heated Front
Screen Fuse
Block

10

C1027

21

Z132
Engine Control
Module (ECM)

Z108
Anti–Lock Brake
System ECU

29

C2084

1

8

YK

C1017

S2074

Heated Front
Screen

C1017

C1026

3

26

C1026

Z163
Theft Alarm Unit

15

C225

B

S2126

HJ13

K121
Heated Front
Screen Relay

PS

PO

30

MF 1

100 A

1

C294

3

C294

1

C118

OS

60 A

P139
Heated Front
Screen In–Line
Maxi–Fuse

P125
Engine Compart-
ment Fuse Box

N

30

87

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

A3

11

CIRCUIT DIAGRAM

[2]

YB

7

C1027

9

C2073

G

L

1

C2076

Z132
Engine Control
Module (ECM)

X101
Front A/C Evapor-
ator Temperature
Switch

[1]

> 0

C (32

F)

[2]

< 0

C (32

F)

1

C2077

8

C2073

ON

[1]

28

C1017

YB

1

C181

X102
A/C Dual Pres-
sure Switch

[1]

> 32 Bar
(455 psi)

[2]

< 2.07 Bar
(30 psi)

2

C181

[1]

[2]

PB

0

X225
Front A/C Switch

[1]

1

C2025

4

C2025

5

C2022

2

C2067

N

Blower Controls

S2056

See Ground Dis-
tribution

E200

1

C2022

0

I

II

III

IV

X247
Front Fan Speed
Switch

N

2

C2027

29

1

C2067

NW

NW

4

C2073

PB

13

S2071

With Air Condi-
tioning only

With Air Condi-
tioning only

PB

NAS

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

A3

12

CIRCUIT DIAGRAM

30

F 3

30 A

9

C1027

S229

30

Compressor Con-
trols

With Air Condi-
tioning only

K108
Compressor
Clutch Relay

1

C116

NG

85

C241

86

C241

30

87

87

86

85

WG

BG

BS

Compressor Con-
trols

1

Z132
Engine Control
Module (ECM)

5

C1026

30

K109
Condenser Fan
Relay

86

C292

85

C292

30

87

87

85

86

BN

GW

Cooling Fans

3

C1032

P125
Engine Compart-
ment Fuse Box

With Air Condi-
tioning only

NAS

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

A3

13

CIRCUIT DIAGRAM

C1033

13

14

Z132
Engine Control
Module (ECM)

S151

Z261
Ignition Coils

15

1

3

2

4

C1002

1

1&6

2&3

4&7

5&8

5

C1002

WG

See Fuse Details

P127
Satellite Fuse
Box 1

15

F 3

20 A

WB

WU

WY

WK

NAS

R

R

R

R

U

O

P

G