1991 ACURA NSX Service Repair Manual

C106

C107

C108

C113

C116
C119

C533
C532
C121

C122

C123

C534
NOTE: Several different wires have the same color.
They have been given a number suffix to distinguish them (for example YEL/BLK1 and YEL/BLK2 are not the same).
O: Related to PGM-FI SYSTEM

(cont'd)ProCarManuals.com

System Description

System Connecors [Engine Compartment (Right Side)] (cont'd)
C132
C171

C130
C133
KNOCK SENSOR

HARNESS

C143
C173C172

C141

C139
C140
C138

C101

C137
C146
C144 C152

C151
C149
C142

ENGINE WIRE
HARNESS
C148 C136
C135
C134
ProCarManuals.com

C130

C132

C133C134

C135

C136

C137

C138

C139

C140

C141

C142
C143

C144

C146

C148
C149

C151

C152

C171

C172

C173

NOTE: Several different wires have the same color.
They have been given a number suffix to distinguish them (for example YEL/BLK1 and YEL/BLK2 are not the same).
O: Related to PGM-FI SYSTEM (cont'd)ProCarManuals.com

System Description
System Connectors [Behind the seat back panels] (cont'd)
ENGINE
WIRE HARNESS

C476
C158
C478
C161

C475
C159 C154
(ECM-A)
C155 (ECM-B) C156 (ECM-C)

C480 (ECM-F)

C483

SIDE
WIRE
HARNESS

FUEL TANK
WIRE HARNESS
C482
C481
C157 (ECM-D)
C477
C160

FLOOR
WIRE HARNESS
ProCarManuals.com

System Description
System Connectors [Behind the seat back panels] (cont'd)
ENGINE
WIRE
HARNESS

C489
C771 C491

C496
C495

SIDE
WIRE HARNESS
C500
C527
C494
C493

FUEL TANK
WIRE HARNESS

C773

FLOOR
WIRE
HARNESS
ProCarManuals.com

C489

C491

C493

C494

C495
(A/T)


C496 (A/T)


C500

C773
1

2

4

5

YEL/BLU

BLK

BLK

YEL/WHT

BLK/RED

YEL

BLK/YEL

RED2

BLK/RED

31

33

34

35

36

RED/GRN

GRN/YEL
ORN/BLU (A/T)

GRN/WHT

WHT/BLK

GRY/BLK
37

38

40

42

BLU

BRN/BLK
WHT/RED
LT GRN/YEL

GRN

YEL/BLK

2

5

6

7

8

9

GRY

RED/BLK
RED/YEL
BLU/RED

YEL/RED

LT GRN
(A/T)
ORN/RED

YEL/BLK

ORN/BLK

WHT/BLK

11

14

15

16


17

18

19
20

YEL

ORN/RED

BLU

LT GRN/WHT

BRN/WHT

LT GRN/RED
GRN/RED

BLU/ORN

YEL/GRN
GRY/WHT

1

2

4

6

8

10
GRY

GRN/WHT
BLU/RED
RED/WHT

BLU

RED/YEL

YEL/RED
PNK/BLK
WHT/RED
12

14

16

17

19

20

21

22

WHT

WHT/GRN

ORN/BLU
BLU/YEL

PNK

BLU/GRN

BLU

ORN
1

2

3

4

5

6
7

8

10

11

12

13
BLK/WHT

BLK

GRN/WHT

WHT/BLK
BLU/YEL
RED/WHT
YEL/BLK
GRN

YEL/BLU LT GRN/WHT
GRN/YEL
14

15

16

17

18

19
20


21

22
23
24
25
26

BRN/BLK
GRN/BLU ORN/BLK

LT GRN

WHT/YEL

LT BLU

RED/BLU
BLK/YEL
BLK/YEL
BRN/WHT

BRN/WHT

1
2

3

6

9


10

LT BLU

BLU/WHT

WHT/BLU

GRN
YEL/WHT2

GRN/RED

BRN

RED3

GRN/YEL

GRY
11

12

18

19

20

BLU/GRN

WHT/GRN RED/BLU1

GRN/WHT1
YEL/WHT1

WHT3

GRN/WHT2

WHT/GRN

LT GRN

BLU/YEL

BLK

BLK/RED
NOTE: Several different wires have the same color. They have been given a number suffix to distinguish them (for example YEL/BLK1 and YEL/BLK2 are not the same).
O: Related to PGM-FI SYSTEM

(cont'd)ProCarManuals.com

System Description
System Connectors [Front Compartment and Under-dash] (cont'd)

UNDER-HOOD
FUSE/RELAY

BOX
C464
C249

C446

C425

C439

C412

FLOOR

WIRE
HARNESS
SIDE

WIRE

HARNESS
UNDER-DASH
FUSE

BOX

C405

C406

C404

C318
C458
C228
FRONT

COMPARTMENT

WIRE
HARNESS
SUB RELAY

BOX AProCarManuals.com