Discovery electrical Manual — part 5

KEY INFORMATION

i

+),+*"*/ &. !&. +**" /"!

',-+" %-*".. +**" /+-

+),+*"*/ &. +**" /"!

',-+" %-*".. +**" /+-

+),+*"*/ &. !&. +**" /"!

-+" +),+*"*/

+),+*"*/ &. !&. +**" /"!

-+" %-*".. +**" /+-

-+" &*5(&*" +**" /+-



//"-4 1+(/$" $*&/&+*

&* ,+.&/&+*

//"-4 1+(/$" .0,,(&"! +*./*/(4

//"-4 1+(/$" $*&/&+*

&* ,+.&/&+* +-

//"-4 1+(/$" $*&/&+*

&* ,+.&/&+*.

-+0*!



&- 0&/ !&$-). -" --*$"! .+ /%/

0--"*/ #(+2 &. #-+) /%" /+, +# /%" !&$-)

0--"*/ .+0- " /+ /%" +//+) +# /%"

!&$-) $-+0*!

D

D *(4 /%+." +),+*"*/. /%/ 2+-' /+$"/%"-

&* /%" &- 0&/ -" .%+2* # +*(4 ,-/ +#

+),+*"*/ &. 0."! &* /%" &- 0&/ /%"* +*(4

/%/ ,-/ +# /%" +),+*"*/ &. .%+2*

D ")")"-

*/&-" +),+*"*/

-/ +# +),+*"*/

D

# /%" !&$-) &. +),*&"! 4 /"3/

"! /%" &- 0&/ ,"-/&+* "#+-"

,-+ ""!&*$ 2&/% /%" "(" /-& ( !&$*+.&.

"! /%" -+0(".%++/&*$ &*/. "#+-"

,"-#+-)&*$ /%"

"./. #+((+2 /%"

%"* ,"-#+-)&*$ /%"

" "-/&* /%/ (( +),+*"*/.

!&. +**" /"! &* ,-"1&+0. ./",. -"

-" +**" /"! 0*(".. +/%"-2&." !&-" /"!

&- 0&/ !&$-) .4)+(.

MULTIPORT FUEL INJECTION (MFI–V8)

A1

1

CIRCUIT DIAGRAM

15

F 3

10 A

86

85

87a

87

30

15

31

31

85

30/51

P127
Satellite Fuse
Box 1

K116
Engine Control
Load Relay

Z118
Fan Control Mod-
ule

Z132
Engine Control
Module (ECM)

See Ground Dis-
tribution

7

30

C239

86

85

87a

87

C239

2

C238

6

C238

5

40

C243

14

36

C243

2

12

19

S292

S291

HJ7

S294

WG

NO

BG

B

B

B

NO

UR

E100

B

A1-2

A

A1-2

30

F 7

20 A

P125
Engine Compart-
ment Fuse Box

1

C100

1

C216

NLG

S224

NLG

NO

15

30

NO

87a

HJ7

See Fuse Details

B

NLG

MULTIPORT FUEL INJECTION (MFI–V8)

A1

2

CIRCUIT DIAGRAM

A1-1

B

A1-1

NO

NO

S109

S111

NO

YW

2

C141

1

C141

S108

S110

NO

YW

2

C139

1

C139

NO

YW

2

C137

1

C137

NO

YW

2

C135

1

C135

NO

YU

2

C140

1

C140

NO

YU

2

C138

1

C138

NO

YU

2

C136

1

C136

NO

YU

2

C134

1

C134

13

C243

11

Z132
Engine Control
Module (ECM)

A1-6

C

NO

A

8

6

4

2

7

5

3

1

5

C243

SB

1

C246

BS

2

C246

S290

E100

See Ground Dis-
tribution

HJ7

27

BS

31

K140
Tune Select Re-
sistor

K141
Fuel Injectors

MULTIPORT FUEL INJECTION (MFI–V8)

A1

3

CIRCUIT DIAGRAM

Z132
Engine Control
Module (ECM)

Z193
Left Heated Oxy-
gen Sensor
Shield

Z194
Right Heated
Oxygen Sensor
Shield

X139
Left Heated Oxy-
gen Sensor

X160
Right Heated
Oxygen Sensor

17

C243

SY

87a

C243

23

24

2

C112

2

C113

1

C113

3

3

C112

1

B

S289

B

R

B

E103

B

R

SCR

B

4

B

SCR

K132
Evaporative
Emission Can-
ister Purge
Valve

1

C144

2

C144

D

A1-4

WP

87

B

87a

K119
Fuel Pump Relay

C240

UP

85

16

87

85

30

86

30

F 6

15 A

C100

2

P125
Engine Compart-
ment Fuse Box

30

3

C216

WO

WO

PW

15

F 3

10 A

P127
Satellite Fuse
Box 1

86

7

C216

WG

S292

HJ7

See Fuse Details

C240

See Ground Dis-
tribution

U

U