Nissan Frontier D40. Manual - part 1134

WCS-28

< COMPONENT DIAGNOSIS >

WARNING CHIME SYSTEM

ABNIA1679GB

WCS

COMBINATION METER

WCS-29

< ECU DIAGNOSIS >

C

D

E

F

G

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K

L

M

B

A

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ECU DIAGNOSIS

COMBINATION METER

Reference Value

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TERMINAL LAYOUT

PHYSICAL VALUES

LKIA0698E

Termi-

nal

Wire 

color

Item

Condition

Reference value (V)

(Approx.)

Ignition 

switch

Operation or condition

2

P

Generator

ON

Generator voltage low

0

Generator voltage normal

Battery voltage

3

R/Y

Battery power supply

—

—

Battery voltage

4

B/Y

Fuel level sensor ground

ON

—

0

5

W

Vehicle speed signal out-
put (2-pulse)

ON

Speedometer operated
[When vehicle speed is ap-
prox. 20 km/h (12 MPH)]

240 Hz

6

SB

Vehicle speed signal out-
put (8-pulse)

ON

Speedometer operated
[When vehicle speed is ap-
prox. 40 km/h (25 MPH)]

NOTE:
Maximum voltage may be 12V due to spec-
ifications (connected units).

9

BR

Fuel level sensor signal

—

—

Refer to 

MWI-11, "FUEL GAUGE : System 

Description"

.

11

P

CAN-L

—

—

—

12

L

CAN-H

—

—

—

13

GR

Ground

—

—

0

16

W/G

Ignition switch ON or 
START

ON

—

Battery voltage

22

BR

Illumination control 
switch

—

—

Refer to 

INL-75, "System Description"

.

23

B

Ground

—

—

0

24

V

Seat belt buckle switch 
LH

ON

Unfastened (ON)

0

Fastened (OFF)

Battery voltage

25

SB

DIFF LOCK indicator in-
put

ON

DIFF LOCK indicator ON

0

DIFF LOCK indicator OFF

Battery voltage

PKIC0643E

WCS-30

< ECU DIAGNOSIS >

COMBINATION METER

31

G

Parking brake switch

ON

Parking brake applied

0

Parking brake released

Battery voltage

32

SB

Brake fluid level switch

ON

Brake fluid level low

0

Brake fluid level normal

Battery voltage

33

LG

Stop lamp switch

—

Brake pedal depressed

Battery voltage

Brake pedal released

0

34

L

Washer fluid level switch

ON

Washer fluid level low

0

Washer fluid level normal

Battery voltage

37

SB

Air bag warning lamp in-
put

ON

Air bag warning lamp ON

4

Air bag warning lamp OFF

0

39

G

Security indicator input

OFF

Security indicator ON

0

Security indicator OFF

Battery voltage

40

LG

Seat belt buckle switch 
RH

ON

Unfastened (ON)

0

Fastened (OFF)

Battery voltage

Termi-

nal

Wire 

color

Item

Condition

Reference value (V)

(Approx.)

Ignition 

switch

Operation or condition

WCS

COMBINATION METER

WCS-31

< ECU DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Wiring Diagram

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ABNWA0548GB