Infiniti QX56 (Z62). Manual - part 51

AV-58

< ECU DIAGNOSIS INFORMATION >

AV CONTROL UNIT

DTC

Display item

Refer to

U1000

CAN COMM CIRCUIT [U1000]

AV-118, "Diagnosis Procedure"

U1010

CONTROL UNIT (CAN) [1010]

AV-119, "DTC Logic"

U1200

Cont Unit [U1200]

AV-120, "DTC Logic"

U1201

GYRO NO CONN [U1201]

AV-121, "DTC Logic"

U1202

G-SENSOR NO CONN [U1202]

AV-122, "DTC Logic"

U1204

GPS COMM [U1204]

AV-123, "Diagnosis Procedure"

U1205

GPS ROM [U1205]

AV-124, "Diagnosis Procedure"

U1206

GPS RAM [U1206]

AV-125, "Diagnosis Procedure"

U1207

GPS RTC [U1207]

AV-126, "Diagnosis Procedure"

U1216

CAN CONT [U1216]

AV-127, "DTC Logic"

U1217

BLUETOOTH MODULE [U1217]

AV-128, "DTC Logic"

U1218

HDD CONN [U1218]

AV-129, "Diagnosis Procedure"

U1219

HDD READ [U1219]

AV-130, "Diagnosis Procedure"

U121A

HDD WRITE [U121A]

AV-131, "Diagnosis Procedure"

U121B

HDD COMM [U121B]

AV-132, "Diagnosis Procedure"

U121C

HDD ACCESS [U121C]

AV-133, "Diagnosis Procedure"

U121D

DSP CONN [U121D]

AV-134, "Diagnosis Procedure"

U121E

DSP COMM [U121E]

AV-135, "Diagnosis Procedure"

U1225

USB CONTROLLER [U1225]

AV-136, "DTC Logic"

U1227

DVD COMM [U1227]

AV-137, "Diagnosis Procedure"

U1228

SUB CPU CONN [U1228]

AV-138, "DTC Logic"

U1229

iPod CERTIFICATION [U1229]

AV-139, "DTC Logic"

U122A

CONFIG UNFINISH [U122A]

AV-140, "Diagnosis Procedure"

U122E

Built-in AUDIO CONN [U122E]

AV-141, "DTC Logic"

U1232

ST ANGLE SEN CALIB [1232]

AV-142, "Diagnosis Procedure"

U1243

FRONT DISP CONN [U1243]

AV-143, "Diagnosis Procedure"

U1244

GPS ANTENNA CONN [U1244]

AV-145, "Diagnosis Procedure"

U1258

XM ANTENNA CONN [U1258]

AV-146, "Diagnosis Procedure"

U125A

3RD DISP CONN [U125A]

AV-147, "Diagnosis Procedure"

U1263

USB OVERCURRENT [U1263]

AV-148, "Diagnosis Procedure"

U1264

ANTENNA AMP TERMINAL [OPEN or 
SHORT] [U1264]

AV-149, "Diagnosis Procedure"

U1265

AMP ON TERMINAL [GND-SHORT or VB-
SHORT] [U1265]

AV-150, "Diagnosis Procedure"

U1310

CONTROL UNIT (AV) [U1310]

AV-152, "DTC Logic"

AV

AV CONTROL UNIT

AV-59

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

U1300
U1240

• AV COMM CIRCUIT [U1300]
• SWITCH CONN [U1240]

AV-151, "Description"

U1300
U1246

• AV COMM CIRCUIT [U1300]
• VIDEO DIST CONN [U1246]

U1300

U125B

• AV COMM CIRCUIT [U1300]
• AROUND CAMERA CONN [U125B]

U1300

U125C

• AV COMM CIRCUIT [U1300]
• SONAR CONN [U125C]

U1300
U1240

U125C
U125B

• AV COMM CIRCUIT [U1300]
• SWITCH CONN [U1240]
• SONAR CONN [U125C]
• AROUND CAMERA CONN [U125B]

U1300
U1240

U125C
U125B

U1246

• AV COMM CIRCUIT [U1300]
• SWITCH CONN [U1240]
• SONAR CONN [U125C]
• AROUND CAMERA CONN [U125B]
• VIDEO DIST CONN [U1246]

DTC

Display item

Refer to

AV-60

< ECU DIAGNOSIS INFORMATION >

FRONT DISPLAY UNIT

FRONT DISPLAY UNIT

Reference Value

INFOID:0000000006216228

TERMINAL LAYOUT

PHYSICAL VALUES

JSNIA2241ZZ

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

6

—

Shield

—

—

—

—

7

—

Shield

—

—

—

—

8

(W)

Ground

Camera image signal

Input

Ignition 

switch 

ON

At camera image is dis-
played.

9

(Y/L)

Ground

Communication signal
(DISP

→

CONT)

Output

Ignition 

switch 

ON

When adjusting display 
brightness.

10

(Y/G)

Ground

Communication signal
(CONT

→

DISP)

Input

Ignition 

switch 

ON

When adjusting display 
brightness.

11

(Y/R)

Ground

Battery power supply

Input

Ignition 

switch 

OFF

—

Battery voltage

12

(B)

Ground

Ground

—

Ignition 

switch 

ON 

—

0  V

SKIB2251J

PKIB5039J

PKIB5039J

AV

FRONT DISPLAY UNIT

AV-61

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

18

(R)

Ground

Composite image signal

Input

Ignition 

switch 

ON

At DVD image is displayed.

19

(W)

Ground

Composite image signal 
ground

—

Ignition 

switch 

ON 

—

0  V

20

(W/B)

Ground

Composite image synchro-
nizing signal

Input

Ignition 

switch 

ON 

—

22

—

Shield

—

—

—

—

23

(V)

Ground

ACC power supply

Input

Ignition 

switch 

ACC

—

Battery voltage

27

—

RGB digital image signal
(

−

)

Input

—

—

—

28

—

RGB digital image signal 
(+)

Input

—

—

—

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB2251J

SKIB0825E