Nissan Pathfinder. Manual - part 148

AV

AV CONTROL UNIT

AV-419

< ECU DIAGNOSIS INFORMATION >

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C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

16

(W)

15

(B)

Steering switch signal B

Input

Ignition 

switch 

ON

Keep pressing 

 

switch.

0 V

Keep pressing 

 

switch.

1.0 V

Keep pressing 

 switch.

2.0 V

Keep pressing 

 switch.

3.0 V

Keep pressing DISP 
switch.

4.0 V

Except for above.

5.0 V

19

(Y)

Ground

Battery power supply

Input

Ignition 

switch 

OFF

—

Battery voltage

20

(B)

Ground

Ground

—

Ignition 

switch 

ON 

—

0  V

24

(R)

39

(B)

AUX sound signal LH

Input

Ignition 

switch 

ON

When front AUX mode is 
selected.

26

(W)

40

(R)

Sound signal LH

Output

Ignition 

switch 

ON

When DVD or USB mode is 
selected on headrest dis-
play unit LH or RH.

27

(B)

41

(G)

Sound signal RH

Output

Ignition 

switch 

ON

When DVD or USB mode is 
selected on headrest dis-
play unit LH or RH.

37

—

Shield

—

—

—

—

38

(W)

39

(B)

AUX sound signal RH

Input

Ignition 

switch 

ON

When front AUX mode is 
selected.

42

—

Shield

—

—

—

—

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB3609E

SKIB3609E

SKIB3609E

SKIB3609E

AV-420

< ECU DIAGNOSIS INFORMATION >

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AV CONTROL UNIT

53

(G)

Ground

Parking brake signal

Input

Ignition 

switch 

ON

Parking brake is applied.

0 V

Parking brake is released.

4.5 V

55

(W)

Ground

Composite image signal 
ground

—

Ignition 

switch 

ON

—

0  V

56

(B)

Ground

Composite image signal

Output

Ignition 

switch 

ON

At DVD image is displayed.

57

(BG)

—

I-Key memory

—

—

—

—

60

(W)

Ground

Microphone VCC

Output

Ignition 

switch 

ON

—

5.0  V

61

(W)

Ground

Communication signal
(CONT

→DISP)

Output

Ignition 

switch 

ON

When adjusting display 
brightness.

62

(P)

—

CAN–L

Input/

Output

—

—

—

63

(LG)

—

AV communication signal 
(L)

Input/

Output

—

—

—

64

(LG)

—

M CAN–L TRM

—

—

—

—

67

(P)

—

MR  output

—

—

—

—

68

(LG)

Ground

Ignition signal

Input

Ignition 

switch 

ON

—

Battery voltage

69

(R)

Ground

Reverse signal

Input

Ignition 

switch 

ON

Selector lever is in R posi-
tion.

Battery voltage

Selector lever is in other 
than R position.

0 V

70

(GR)

Ground

Vehicle speed signal (8-
pulse) 

Input

Ignition 

switch 

ON

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

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

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB2251J

PKIB5039J

JSNIA0012GB

AV

AV CONTROL UNIT

AV-421

< ECU DIAGNOSIS INFORMATION >

[PREMIUM AUDIO WITH NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

71

—

Shield

—

—

—

—

72

(R)

Ground

Composite image synchro-
nizing signal

Output

Ignition 

switch 

ON

At DVD image is displayed.

75

(B)

59

Microphone signal

Input

Ignition 

switch 

ON

Give a voice.

76

—

Shield

—

—

—

—

77

(B)

Ground

Communication signal
(DISP

→CONT)

Input

Ignition 

switch 

ON

When adjusting display 
brightness.

78

(L)

—

CAN–H

Input/

Output

—

—

—

79

(SB)

—

AV communication signal 
(H)

Input/

Output

—

—

—

80

(SB)

—

M CAN–H TRM

—

—

—

—

83

(R)

Ground

Camera power supply

Output

Ignition 

switch 

ON

Selector lever in “R” posi-
tion

6.0 V

84

(W)

Ground

Camera ground

—

Ignition switch ON 

0 V

91

(W)

Ground

AUX image signal

Input

Ignition 

switch 

ON 

At front AUX image is dis-
played.

92

(B)

Ground

AUX image signal ground

—

Ignition 

switch 

ON 

—

0  V

94

—

Shield

—

—

—

—

97

(Y)

Ground

Disk eject signal

Input

Ignition 

switch 

ON

Pressing the eject switch.

0 V

Except for above.

5.0 V

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB2251J

PKIB5037J

PKIB5039J

SKIB2251J

AV-422

< ECU DIAGNOSIS INFORMATION >

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AV CONTROL UNIT

Fail-Safe

INFOID:0000000009174668

When the ambient temperature becomes extremely low or extremely high, AV control unit displays a message

and limits the function of the AV control unit. 

FAIL-SAFE CONDITIONS

When the ambient temperature is 

−20°C (−4°F) or lower, or when it is 70°C (158°F) or higher.

Display

The following messages are displayed during fail-safe:

98

(V)

Ground

Switch ground

—

Ignition 

switch 

ON

—

0  V

105
(W)

Ground

Composite image signal 
ground

—

Ignition 

switch 

ON

—

0  V

106

—

Shield

—

—

—

—

107

(B)

Ground

Composite image signal

Output

Ignition 

switch 

ON

When DVD, USB or front 
AUX image is displayed on 
headrest display unit LH or 
RH.

121
(W)

—

V BUS signal

—

—

—

—

122

(G)

—

USB D+ signal

—

—

—

—

123

(L)

—

USB ground

—

—

—

—

124

(R)

—

USB D

− signal

—

—

—

—

125

—

Shield

—

—

—

—

126

(B)

Ground

Antenna amp. ON signal

Input

Ignition 

switch 

ON

—

Battery voltage

127

(B)

—

AM-FM main

Input

—

—

—

128

(B)

—

FM sub

Input

—

—

—

129

(B)

Ground

Satellite radio antenna sig-
nal

Input

Ignition 

switch 

ON

Satellite antenna discon-
nected.

5.0 V

130

(B)

131

GPS antenna signal

Input

Ignition 

switch 

ON

GPS antenna disconnect-
ed.

5.0 V

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB2251J

Fail-safe mode

Display

When HDD temperature is low

HDD system is experiencing problems due to extreme low temperature.
Normal operation will resume when temperature rises.

When HDD temperature is high

HDD system is experiencing problems due to extreme high temperature.
Normal operation will resume when temperature drops.