Infiniti M35/M45 Y50. Manual - part 221

TROUBLE DIAGNOSIS

AV-261

[WITH MOBILE ENTERTAINMENT SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

AV

6. 

CHECK HARNESS BETWEEN VIDEO DISTRIBUTOR AND FRONT DISPLAY UNIT

1.

Turn ignition switch OFF.

2.

Disconnect video distributor connector and front display unit connector.

3.

Check continuity between video distributor harness connector
(A) M205 terminal 14 and front display unit harness connector
(B) M203 terminal 2.

OK or NG

OK >> GO 

TO 

7.

NG

>> Repair harness or connector.

7. 

CHECK RGB AREA SIGNAL FOR VIDEO DISTRIBUTOR

1.

Connect video distributor connector and front display unit connector.

2.

Turn ignition switch ON.

3.

Shift the selector lever in R position.

4.

Check signal between video distributor harness connector M205
terminal 14 and ground.

OK or NG

OK

>> Replace front display unit.

NG

>> Replace video distributor.

ONLY REAR DISPLAY

1. 

CHECK HARNESS BETWEEN VIDEO DISTRIBUTOR AND REAR DISPLAY UNIT

1.

Disconnect video distributor connector and rear display unit connector. 

2.

Check continuity  between video distributor harness connector
(A) M206 terminal 34 and rear display unit harness connector
(B) R102 terminal 16.

3.

Check continuity between video distributor harness connector
(A) M206 terminal 34 and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Repair harness or connector.

14 – 2

: Continuity should exist.

SKIB4615E

14 – Ground:

SKIB4616E

PKIB4948J

34 – 16

: Continuity should exist.

34 – Ground

: Continuity should not exist.

SKIB4625E

AV-262

[WITH MOBILE ENTERTAINMENT SYSTEM]

TROUBLE DIAGNOSIS

2. 

CHECK RGB AREA SIGNAL

1.

Connect video distributor connector and rear display unit connector. 

2.

Turn ignition switch ON.

3.

Select DVD mode on rear display.

4.

Check signal between rear display unit harness connector R102
terminal 17 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Replace video distributor.

3. 

CHECK IMAGE SIGNAL

1.

Connect video distributor connector and rear display unit connector.

2.

Turn ignition switch ON.

3.

Display DVD image.

4.

Check signal between video distributor harness connector M206
terminal 34 and ground.

OK or NG

OK

>> Replace rear display unit.

NG

>> Replace video distributor.

BOTH FRONT DISPLAY AND REAR DISPLAY

1. 

CHECK HARNESS BETWEEN DVD PLAYER AND VIDEO DISTRIBUTOR

1.

Disconnect DVD player connector and video distributor connector.

2.

Check continuity between DVD player harness connector (A)
M272 terminal 20 and video distributor harness connector (B)
M205 terminal 23.

3.

Check continuity between DVD player harness connector (A)
M272 terminal 20 and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Repair harness or connector.

17 – Ground:

SKIB4626E

PKIB4949J

34 – Ground:

SKIB4627E

SKIB2251J

20 – 23

: Continuity should exist.

20 – Ground

: Continuity should not exist.

SKIB4628E

TROUBLE DIAGNOSIS

AV-263

[WITH MOBILE ENTERTAINMENT SYSTEM]

C

D

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F

G

H

I

J

L

M

A

B

AV

2. 

CHECK IMAGE SIGNAL

1.

Connect DVD player and video distributor connector.

2.

Turn ignition switch ON.

3.

Display DVD image.

4.

Check signal between DVD player harness connector M272 ter-
minal 20 and ground.

OK or NG

OK

>> Replace video distributor.

NG

>> Replace DVD player.

Warning Message of Whether Rear View Image Is Rolling or Not Displayed

NKS004B7

1. 

CHECK HARNESS BETWEEN VIDEO DISTRIBUTOR AND FRONT DISPLAY UNIT

1.

Disconnect video distributor connector and front display unit connector.

2.

Check continuity between video distributor harness connector
(A) M205 terminals 15, 16 and front display unit harness con-
nector (B) M203 terminals 4, 6. 

3.

Check continuity between video distributor harness connector
(A) M205 terminals 15, 16 and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Repair harness or connector.

2. 

CHECK HORIZONTAL SYNCHRONIZING SIGNAL

1.

Connect AV (NAVI) control unit connector and display unit connector.

2.

Turn ignition switch ON.

3.

Check signal between video distributor harness connector M205
terminal 15 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Replace front display unit.

20 – Ground:

SKIB4629E

SKIB2251J

15 – 4

: Continuity should exist.

16 – 6

: Continuity should exist.

15, 16 – Ground

: Continuity should not exist.

SKIB4823E

15 – Ground:

SKIB4824E

SKIB3601E

AV-264

[WITH MOBILE ENTERTAINMENT SYSTEM]

TROUBLE DIAGNOSIS

3. 

CHECK VERTICAL SYNCHRONIZING SIGNAL

Check signal between video distributor harness connector M205 ter-
minals 16 and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Replace front display unit.

4. 

CHECK HARNESS BETWEEN AV (NAVI) CONTROL UNIT AND VIDEO DISTRIBUTOR

1.

Disconnect AV (NAVI) control unit connector and video distributor connector.

2.

Check continuity between AV (NAVI) control unit harness con-
nector (A) M210 terminals 51, 52 and video distributor harness
connector (B) M207 terminals 49, 50. 

3.

Check continuity between AV (NAVI) control unit harness con-
nector (A) M210 terminals 51, 52 and ground.

OK or NG

OK

>> GO TO 5.

NG

>> Repair harness or connector.

5. 

CHECK HORIZONTAL SYNCHRONIZING SIGNAL

1.

Connect AV (NAVI) control unit connector and display unit connector.

2.

Turn ignition switch ON.

3.

Check signal between AV (NAVI) control unit harness connector
M210 terminal 51 and ground.

OK or NG

OK

>> GO TO 6.

NG

>> Replace video distributor.

16 – Ground:

SKIB4825E

SKIB3598E

51 – 49

: Continuity should exist.

52 – 50

: Continuity should exist.

51, 52 – Ground

: Continuity should not exist.

SKIB4826E

51 – Ground:

SKIB4699E

SKIB3601E