Nissan GT-R. Manual - part 223

MWI

COMBINATION METER

MWI-51

< ECU DIAGNOSIS INFORMATION >

C

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ECU DIAGNOSIS INFORMATION

COMBINATION METER

Reference Value

INFOID:0000000009189352

TERMINAL LAYOUT

INPUT/OUTPUT SIGNAL STANDARD

JSNIA0096ZZ

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

–

Signal name

Input/

Output

1

(V)

Ground

Battery power supply

Input

Igni-

tion 

switch 

OFF

—

Battery voltage

2

(W)

Ground

Ignition power supply

Input

Igni-

tion 

switch 

ON

—

Battery voltage

3

(B)

Ground

Ground

—

Igni-

tion 

switch 

ON

—

0  V

5

(B)

Ground

Ground

—

Igni-

tion 

switch 

ON

—

0  V

6

(W)

Ground

Meter control switch 
ground

—

Igni-

tion 

switch 

ON

—

0  V

7

(Y)

Ground

A/C auto amp. connection 
recognition signal

Input

Igni-

tion 

switch

ON

—

5  V

8

(SB)

Ground

Ambient sensor ground

—

Igni-

tion 

switch

ON

—

0  V

9

(P)

Ground

Ambient sensor

Input

Igni-

tion 

switch

ON

—

This work is recommended to be 

performed by NHPC.

MWI-52

< ECU DIAGNOSIS INFORMATION >

COMBINATION METER

12

(L)

Ground

Vehicle speed signal (2-
pulse)

Output

Igni-

tion 

switch 

ON

Vehicle speed is approxi-
mately 40 km/h (25 MPH)

NOTE:
The maximum voltage varies de-
pending on the specification 
(destination unit).

13

(V)

Ground

Vehicle speed signal (8-
pulse)

Output

Igni-

tion 

switch 

ON

Vehicle speed is approxi-
mately 40 km/h (25 MPH)

NOTE:
The maximum voltage varies de-
pending on the specification 
(destination unit).

14

(B)

Ground

Oil pressure sensor 
ground

—

Igni-

tion 

switch

ON

—

0  V

15

(R)

Ground

Air bag signal

Input

Igni-

tion 

switch

ON

Air bag warning lamp ON

5 V

Air bag warning lamp OFF

0 V

18

(L)

Ground

Fuel level sensor signal 
ground

—

Igni-

tion 

switch

ON

—

0  V

19

(R)

Ground

Oil level sensor ground

—

Igni-

tion 

switch

ON

—

0  V

20

(W)

Ground

Oil level sensor signal

Input

Igni-

tion 

switch

ON

—

This work is recommended to be 
performed by NHPC.

21

(L)

Ground

CAN-H

—

Igni-

tion 

switch

ON

—

—

22

(P)

Ground

CAN-L

—

Igni-

tion 

switch

ON

—

—

23

(LG)

6

(W)

Illumination control switch 
signal (–)

Input

Igni-

tion 

switch 

ON

When  

switch 

is 

pressed

0 V

Other than the above

5 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

–

Signal name

Input/

Output

JSNIA0015GB

JSNIA0012GB

MWI

COMBINATION METER

MWI-53

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

24

(BR)

6

(W)

Illumination control switch 
signal (+)

Input

Igni-

tion 

switch 

ON

When 

 switch is 

pressed

0 V

Other than the above

5 V

25

(G)

6

(W)

Trip A/B reset switch signal

Input

Igni-

tion 

switch 

ON

When trip A/B reset switch 
is pressed

0 V

Other than the above

5 V

26

(O)

6

(W)

Enter switch signal

Input

Igni-

tion 

switch 

ON

When enter switch is 
pressed

0 V

Other than the above

5 V

27

(SB)

6

(W)

Select switch signal

Input

Igni-

tion 

switch 

ON

When select switch is 
pressed

0 V

Other than the above

5 V

28

(BR)

Ground

Alternator signal

Input

Igni-

tion 

switch 

ON

Charging warning lamp 
ON

0 V

Charging warning lamp 
OFF

12 V

29

(G)

Ground

Seat belt buckle switch sig-
nal (passenger side)

Input

Igni-

tion 

switch 

ON

• When getting in the pas-

senger seat

• When passenger seat 

belt is fastened.

12 V

• When getting in the pas-

senger seat

• When passenger seat 

belt is unfastened

0 V

30

(LG)

Ground

Seat belt buckle switch sig-
nal (driver side)

Input

Igni-

tion 

switch 

ON

When driver seat belt is 
fastened

12 V

When driver seat belt is 
unfastened

0 V

31

(V)

Ground

Parking brake switch sig-
nal

Input

Igni-

tion 

switch 

ON

Parking brake applied

0 V

Parking brake released

5 V

32

(V)

Ground

Brake fluid level switch sig-
nal

Input

Igni-

tion 

switch 

ON

Brake fluid level is normal

0 V

Brake fluid level is MIN lev-
el or less

5 V

33

(L)

Ground

Washer level switch signal

Input

Igni-

tion 

switch

ON

Low washer fluid warning 
display ON

0 V

Low washer fluid warning 
display OFF

5 V

34

(GR)

Ground

Oil pressure sensor power

Output

Igni-

tion 

switch 

ON

—

5  V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

–

Signal name

Input/

Output

MWI-54

< ECU DIAGNOSIS INFORMATION >

COMBINATION METER

35

(W)

Ground

Oil pressure sensor signal

Input

Igni-

tion 

switch 

ON

—

Refer to 

MWI-45, "Component 

Inspection"

. 

38

(O)

Ground

Fuel level sensor signal

Input

Igni-

tion 

switch

ON

—

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

–

Signal name

Input/

Output

NNNIA0108ZZ