Nissan Pathfinder (2012 year). Instruction - part 69

AV-370

< DTC/CIRCUIT DIAGNOSIS >

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REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT

REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT

Description

INFOID:0000000007347926

Rear view camera signals are transmitted from the rear view camera to the display unit using the camera sig-

nal circuits.

Diagnosis Procedure

INFOID:0000000007347927

Regarding Wiring Diagram information, refer to 

AV-385, "Wiring Diagram - With Navigation System"

.

1.

CHECK CAMERA IMAGE SIGNAL CIRCUIT CONTINUITY

NOTE:

Apply parking brakes before proceeding.

1. Turn ignition switch OFF.

2. Disconnect display unit connector M92 and rear view camera connector D551.

3. Check continuity between display unit harness connector M92 terminals 12, 14, 24 and rear view camera

harness connector D551 terminals 3, 5 and 6.

4. Check continuity between display unit harness connector M92 terminals 14, 12, 24 and ground.

Is inspection result OK?

YES

>> GO TO 2

NO

>> Repair harness or connector.

2.

CHECK CAMERA IMAGE SIGNAL

1. Connect display unit connector M92 and rear view camera connector D551.

2. Turn ignition switch ON.

3. Shift transmission into reverse.

4. Check signal between display unit harness connector M92 terminals 12 and 14.

Is inspection result OK?

YES

>> Replace display unit. Refer to 

AV-422, "Removal and Installation"

.

NO

>> Replace rear view camera. Refer to 

AV-438, "Removal and Installation"

.

12 - 6

: Continuity should exist.

14 - 5

: Continuity should exist.

24 - 3

: Continuity should exist.

12, 14, 24 - Ground

: Continuity should not exist.

12 - 14

:

SKIB2251J

August 2012

2012 Pathfinder

AV

AV CONTROL UNIT

AV-371

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ECU DIAGNOSIS INFORMATION

AV CONTROL UNIT

Reference Value

INFOID:0000000007347928

VALUES ON THE DIAGNOSIS TOOL

CONSULT data monitor item

TERMINAL LAYOUT

PHYSICAL VALUES

Display Item

Dis-
play

Vehicle status

Remarks

VHCL SPD SIG

ON

Vehicle speed >0 km/h (0 MPH)

Changes in indication may be delayed. This is 
normal.

OFF

Vehicle speed =0 km/h (0 MPH)

PKB SIG

ON

Parking brake is applied.

Changes in indication may be delayed. This is 
normal.

OFF

Parking brake is released.

ILLUM SIG

ON

Block the light beam from the auto 
light optical sensor when the light 
SW is ON.

—

OFF

Expose the auto light optical sensor 
to light when the light SW is OFF or 
ON.

IGN SIG

ON

Ignition switch ON

—

OFF

Ignition switch in ACC position

REV SIG

ON

Selector lever in R position

Changes in indication may be delayed. This is 
normal.

OFF

Selector lever in any position other 
than R

AWNIA0148ZZ

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

1

(SB)

Ground Amp. ON signal

Output

Ignition 

switch 

ON

—

Battery voltage

2

(BR)

3

(B)

Pre-amp. audio signal front 
LH

Output

Ignition 

switch 

ON

Audio output

SKIB3609E

August 2012

2012 Pathfinder

AV-372

< ECU DIAGNOSIS INFORMATION >

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AV CONTROL UNIT

4

(BR/W)

5

(BR/Y)

Pre-amp. audio signal rear 
LH

Output

Ignition 

switch 

ON

Audio output

6

(Y)

15

(L)

Steering switch signal A

Input

Ignition 

switch 

ON

Pressing  

switch

 0V

Pressing  

switch

0.75V

Pressing VOL up switch

2V

Except for above

5V

7

(G/Y)

Ground ACC power supply

Input

Ignition 

switch 

ACC

−

Battery voltage

9

(V)

Ground Illumination signal

Input

Ignition 

switch 

OFF

Lighting switch is OFF.

0V

Lighting switch is ON.

Battery voltage

11

(G/Y)

12

(G/O)

Pre-amp. audio signal front 
RH

Output

Ignition 

switch 

ON

Audio output

13

(G/R)

14

(B)

Audio signal rear RH

Output

Ignition 

switch 

ON

Audio output

15

(L)

Ground

Steering switch signal 
ground

—

Ignition 

switch 

ON

—

0V

16

(G)

15

(L)

Steering switch signal B

Input

Ignition 

switch 

ON

Pressing  

switch

0V

Pressing  

switch

0.75V

Pressing VOL down switch

2V

Except for above

5V

19

(Y)

Ground Battery power supply

Input

Ignition 

switch 

OFF

—

Battery voltage

20

(B)

Ground Ground

—

Ignition 

switch 

ON

—

0V

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB3609E

SKIB3609E

SKIB3609E

August 2012

2012 Pathfinder

AV

AV CONTROL UNIT

AV-373

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21

(L)

Ground RGB signal (R: red)

Output

Ignition 

switch 

ON

Start confirmation/adjust-
ment mode, and then dis-
play color bar by selecting 
“Color Spectrum Bar” on 
DISPLAY DIAGNOSIS 
screen.

22

(G)

Ground RGB signal (G: green)

Output

Ignition 

switch 

ON

Start confirmation/adjust-
ment mode, and then dis-
play color bar by selecting 
“Color Spectrum Bar” on 
DISPLAY DIAGNOSIS 
screen.

23

(Y)

Ground RGB signal (B: blue)

Output

Ignition 

switch 

ON

Start confirmation/adjust-
ment mode, and then dis-
play color bar by selecting 
“Color Spectrum Bar” on 
DISPLAY DIAGNOSIS 
screen.

25

(R)

Ground RGB synchronizing signal

Output

Ignition 

switch 

ON

—

27

(G)

Ground RGB area (YS) signal

Output

Ignition 

switch 

ON

At RGB image displayed

5V

At rear view camera image 
displayed

28

(B)

Ground

Horizontal synchronizing 
(HP) signal

Input

Ignition 

switch 

ON

—

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB2238J

SKIB2236J

SKIB2237J

SKIB3603E

PKIB4948J

SKIB3601E

August 2012

2012 Pathfinder

AV-374

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AV CONTROL UNIT

29

(W)

Ground

Vertical synchronizing (VP) 
signal

Input

Ignition 

switch 

On

—

30

(V)

Ground

Communication signal
(CONT

→

DISP)

Output

Ignition 

switch 

ON

When adjusting display 
brightness

31

(LG)

Ground

Communication signal
(DISP

→

CONT)

Input

Ignition 

switch 

ON

When adjusting display 
brightness

34

—

Antenna main

—

—

—

—

35

—

Antenna B+

—

—

—

—

42

(W)

58

(B)

DVD audio signal LH

Input

Ignition 

switch 

ON

When DVD player is oper-
ating

43

(R)

59

(G)

DVD audio signal RH

Input

Ignition 

switch 

ON

When DVD player is oper-
ating

48

(SB)

Ground CD/DVD eject signal

Input

—

Pressing the eject switch

0V

Except for above

3.3V

50

(B)

51

(R)

AUX jack audio signal LH

Input

Ignition 

switch 

ON

When AUX mode is select-
ed

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB3598E

PKIB5039J

PKIB5039J

SKIB3609E

SKIB3609E

SKIB3609E

August 2012

2012 Pathfinder

AV

AV CONTROL UNIT

AV-375

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61

(G)

45

(W)

Headphone LH audio sig-
nal

Output

Ignition 

switch 

ON

When DVD player is oper-
ating

62

(R)

46

(B)

Headphone RH audio sig-
nal

Output

Ignition 

switch 

ON

When DVD player is oper-
ating

65

(GR)

Ground

A/C and AV switch assem-
bly ground

—

Ignition 

switch 

ON

—

0V

66

(W)

51

(R)

AUX jack audio signal RH

Input

Ignition 

switch 

ON

When AUX mode is select-
ed

68

(B)

Ground Ground

—

Ignition 

switch 

ON

—

0V

69

(R/B)

Ground Battery power supply

Input

Ignition 

switch 

OFF

—

Battery voltage

70

(B)

Ground Ground

—

Ignition 

switch 

ON

—

0V

71

(R/B)

Ground Battery power supply

Input

Ignition 

switch 

OFF

—

Battery voltage

72

(G/Y)

Ground ACC power supply

Input

Ignition 

switch 

ACC

—

Battery voltage

73

(G)

Ground MIC power 

Output

Ignition 

switch 

ON

—

5V

74

—

Shield

—

—

—

—

75

(R)

—

MIC signal

Input

Ignition 

switch 

ON

—

—

76

—

Shield

—

—

—

—

82

(W/G)

Ground

IGN ON or START power 
supply

Input

Ignition 

switch 

ON or 

START

—

Battery voltage

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB3609E

SKIB3609E

SKIB3609E

August 2012

2012 Pathfinder

AV-376

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AV CONTROL UNIT

DTC Index

INFOID:0000000007347929

Self-diagnosis results display item

83

(G)

Ground Parking brake signal

Input

Ignition 

switch 

ON

Parking brake ON

0V

Parking brake OFF

Battery voltage

84

(W)

Ground Reverse signal

Input

Ignition 

switch 

ON

R position

Battery voltage

Other than R position

0V

85

(LG)

Ground

Vehicle speed signal (8-
pulse) 

Input

Ignition 

switch 

ON

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

87

(B)

—

Ground

Input

—

—

0V

89

(B)

—

Ground

Input

—

—

0V

90

(B)

—

Ground

Input

—

—

0V

95

(L)

—

AV communication signal 2 
(H)

Input/

Output

—

—

—

96

(P)

—

AV communication signal 2 
(L)

Input/

Output

—

—

—

97

(L)

—

AV communication signal 1 
(H)

Input/

Output

—

—

—

98

(P)

—

AV communication signal 1 
(L)

Input/

Output

—

—

—

99

(L)

—

CAN–H

Input/

Output

—

—

—

100

(P)

—

CAN–L

Input/

Output

—

—

—

108

—

Satellite antenna signal

Input

—

—

—

109

—

GPS antenna 

Input

—

—

—

110

—

GPS antenna

Input

—

—

—

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIA6649J

Error item

Refer to

CAN COMM CIRCUIT [U1000]

AV-309, "DTC Logic"

CONTROL UNIT (CAN) [U1010]

AV-310, "DTC Logic"

Control Unit FLASH-ROM [U1200]

AV-311, "DTC Logic"

Gyro NO CONN [U1201]

AV-312, "DTC Logic"

CAN CONT [U1216]

AV-317, "DTC Logic"

BLUETOOTH CONN [U1217]

AV-318, "DTC Logic"

HDD CONN [U1218]

AV-319, "DTC Logic"

HDD READ [U1219]

AV-320, "DTC Logic"

August 2012

2012 Pathfinder

AV

AV CONTROL UNIT

AV-377

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XM SERIAL COMM [U1220]

AV-321, "DTC Logic"

HDD WRITE [U121A]

AV-322, "DTC Logic"

HDD COMM [U121B]

AV-323, "DTC Logic"

HDD ACCESS [U121C]

AV-324, "DTC Logic"

DSP CONN [U121D]

AV-325, "DTC Logic"

DSP COMM [U121E]

AV-326, "DTC Logic"

INTERNAL COMM [U121F]

AV-327, "DTC Logic"

GPS COMM [U1204]

AV-313, "DTC Logic"

GPS ROM [U1205]

AV-314, "DTC Logic"

GPS RAM [U1206]

AV-315, "DTC Logic"

GPS RTC [U1207]

AV-316, "DTC Logic"

FRONT DISP CONN [U1243]

AV-328, "DTC Logic"

GPS ANTENNA CONN [U1244]

AV-330, "DTC Logic"

XM ANTENNA CONN [U1258]

AV-331, "DTC Logic"

AV COMM CIRCUIT [U1300]

AV-332, "Description"

CONTROL UNIT (AV) [U1310]

AV-333, "DTC Logic"

Error item

Refer to

August 2012

2012 Pathfinder