Infiniti G37 Coupe. Manual - part 78

AV

AV CONTROL UNIT

AV-65

< ECU DIAGNOSIS >

[BASE AUDIO WITHOUT NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

85

(B)

Ground

GND

—

Ignition 

switch 

ON 

—

0  V

86

(L)

—

CAN–H

Input/

Output

—

—

—

87

(P)

—

CAN–L

Input/

Output

—

—

—

88

(SB)

—

AV communication signal 
(H)

Input/

Output

—

—

—

89

(W)

—

AV communication signal 
(L)

Input/

Output

—

—

—

90

(L)

—

AV communication signal 
(H)

Input/

Output

—

—

—

91

(P)

—

AV communication signal 
(L)

Input/

Output

—

—

—

95

(L)

Ground

AUX sound signal RH

Input

Ignition 

switch 

ON

When AUX mode is select-
ed

96

(W)

Ground

AUX sound signal LH

Input

Ignition 

switch 

ON

When AUX mode is select-
ed

97

—

Shield

—

—

—

—

101

(BR)

Ground

SW GND

—

Ignition 

switch 

ON

—

0  V

103

(LG)

Ground

Eject signal

Input

—

Pressing the eject switch

0 V

Except for above

3.3 V

104

(G)

Ground

Ignition signal

Input

Ignition 

switch 

ON

—

Battery voltage

105

(O)

Ground

Reverse signal

Input

Ignition 

switch 

ON

R position

12 V

Other than R position

0 V

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB3609E

SKIB3609E

AV-66

< ECU DIAGNOSIS >

[BASE AUDIO WITHOUT NAVIGATION]

AV CONTROL UNIT

106

(SB)

Ground

Parking brake signal

Input

Ignition 

switch 

ON

Parking brake ON

0 V

Parking brake OFF

107

(GR)

Ground

Vehicle speed signal
 (8-pulse)

Input

Ignition 

switch 

ON

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

NOTE:
Maximum voltage may be 12 V 
due to specifications (connected 
units).

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

JSNIA0007GB

SKIA6649J

AV

AV CONTROL UNIT

AV-67

< ECU DIAGNOSIS >

[BASE AUDIO WITHOUT NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Wiring Diagram - BASE AUDIO WITHOUT NAVIGATION SYSTEM -

INFOID:0000000001559183

JCNWA0452GB

AV-68

< ECU DIAGNOSIS >

[BASE AUDIO WITHOUT NAVIGATION]

AV CONTROL UNIT

JCNWA0453GB