Infiniti G37 Coupe. Manual — part 1390

WCS-32

< ECU DIAGNOSIS >

COMBINATION METER

*1: With A/T models

*2: With M/T models

28

(LG)

Ground

Brake fluid level switch sig-
nal

Input

Ignition
switch
ON

Brake fluid level is normal.

The brake fluid level is low-
er than the low level

0 V

29

(L

*1

or

LG

*2

)

Ground

Seat belt buckle switch sig-
nal (driver side)

Input

Ignition
switch
ON

When driver seat belt is fas-
tened

12 V

When driver seat belt is un-
fastened

0 V

30

(G)

Ground

Seat belt buckle switch sig-
nal (passenger side)

Input

Ignition
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

31

(L)

Ground

Washer level switch signal

Input

Ignition
switch
ON

Washer level switch ON

0 V

Washer level switch OFF

5 V

34

(R)

Ground

Illumination control signal

Output

Ignition
switch
ON

Lighting switch ON, then
operate the illumination
control switch.

NOTE:
When brightness level is midway

36

(LG)

16

(B)

Select switch signal

Input

Ignition
switch
ON

When

is pressed

0 V

Other than the above

5 V

37

(SB)

16

(B)

Enter switch signal

Input

Ignition
switch
ON

When

is

pressed

0 V

Other than the above

5 V

38

(L)

16

(B)

Trip A/B reset switch signal

Input

Ignition
switch
ON

When trip A/B reset switch
is pressed

0 V

Other than the above

5 V

39

(P)

16

(B)

Illumination control switch
signal (–)

Input

Ignition
switch
ON

When

switch

is

pressed

0 V

Other than the above

5 V

40

(O)

16

(B)

Illumination control switch
signal (+)

Input

Ignition
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

JSNIA0008GB

JSNIA0010GB

WCS

COMBINATION METER

WCS-33

< ECU DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Wiring Diagram - METER -

INFOID:0000000001677397

JCNWA0436GB

WCS-34

< ECU DIAGNOSIS >

COMBINATION METER

JCNWA0437GB

WCS

COMBINATION METER

WCS-35

< ECU DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

JCNWA0438GB