Infiniti G37 Coupe. Manual — part 1389

WCS-28

< COMPONENT DIAGNOSIS >

WARNING CHIME SYSTEM

JCNWA0450GB

WCS

WARNING CHIME SYSTEM

WCS-29

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

JCNWA0451GB

WCS-30

< ECU DIAGNOSIS >

COMBINATION METER

ECU DIAGNOSIS

COMBINATION METER

Reference Value

INFOID:0000000001677396

VALUES ON THE DAIAGNOSIS TOOL

Refer to

WCS-44, "Reference Value"

.

TERMINAL LAYOUT

PHYSICAL VALUES

JSNIA0457ZZ

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

–

Signal name

Input/

Output

1

(V)

Ground

Battery power supply

Input

Ignition
switch
OFF

—

Battery voltage

2

(LG)

Ground

Communication signal
(METER

→

AMP.)

Output

Ignition
switch
ON

—

3

(GR)

Ground

Communication signal
(AMP.

→

METER)

Input

Ignition
switch
ON

—

5

(B)

Ground

Ground

—

Ignition
switch
ON

—

0 V

6

(W)

Ground

Alternator signal

Input

Ignition
switch
ON

Charge warning lamp ON

0 V

Charge warning lamp OFF

12 V

7

(LG)

Ground

Air bag signal

Input

Ignition
switch
ON

Air bag warning lamp ON

4 V

Air bag warning lamp OFF

0 V

10

(R)

Ground

Security signal

Input

Ignition
switch
OFF

Security warning lamp ON

0 V

Security warning lamp OFF

12 V

JSNIA0027GB

JSNIA0027GB

WCS

COMBINATION METER

WCS-31

< ECU DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

15

(B)

Ground

Ground

—

Ignition
switch
ON

—

0 V

16

(B)

Ground

Meter control switch ground

—

Ignition
switch
ON

—

0 V

21

(R)

Ground

Ignition signal

Input

Ignition
switch
ON

—

12 V

22

(B)

Ground

Ground

—

Ignition
switch
ON

—

0 V

24

(BR)

Ground

Communication signal
(LCD

→

AMP.)

Output

Ignition
switch
ON

—

25

(Y)

Ground

Communication signal
(AMP.

→

LCD)

Input

Ignition
switch
ON

—

26

(R)

Ground

Vehicle speed signal
(8-pulse)

Input

Ignition
switch
ON

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

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

27

(O)

Ground

Parking brake switch signal

Input

Ignition
switch
ON

Parking brake applied

0 V

Parking brake released

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

–

Signal name

Input/

Output

JSNIA0028GB

JSNIA0027GB

JSNIA0012GB

JSNIA0007GB