Nissan Pathfinder. Manual - part 84

AV

RGB (B: BLUE) SIGNAL CIRCUIT

AV-163

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITHOUT BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

RGB (B: BLUE) SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000009174482

Regarding Wiring Diagram information, refer to 

AV-88, "Wiring Diagram"

.

1.

CHECK RGB (B: BLUE) SIGNAL CIRCUIT CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect AV control unit connector M136 and display unit connector.

3. Check continuity between AV control unit connector M136 terminal 55 and display unit connector M93 ter-

minal 18.

4. Check continuity between AV control unit connector M136 terminal 55 and ground.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness or connectors.

2.

CHECK RGB (B: BLUE) SIGNAL

1. Connect AV control unit connector M136 and display unit connector.

2. Turn ignition switch ON.

3. Check signal between display unit connector M93 terminal 18 and ground.

Is inspection result normal?

YES

>> Replace display unit. Refer to 

AV-191, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-187, "Removal and Installation"

.

AV control unit

Display unit

Continuity

Connector

Terminal

Connector

Terminal

M136

55

M93

18

Yes

AV control unit

Ground

Continuity

Connector

Terminal

M136

55

No

Display unit

Ground

Condition

Reference value

(+)

(

−)

Connector

Terminal

M93

18

—

“Color Spectrum Bar” 

on DISPLAY DIAG-

NOSIS screen.

SKIB2237J

AV-164

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITHOUT BOSE]

RGB SYNCHRONIZING SIGNAL CIRCUIT

RGB SYNCHRONIZING SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000009174483

Regarding Wiring Diagram information, refer to 

AV-88, "Wiring Diagram"

.

1.

CHECK RGB SYNCHRONIZING SIGNAL CIRCUIT CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect AV control unit connector M136 and display unit connector.

3. Check continuity between AV control unit connector M136 terminal 58 and display unit connector M93 ter-

minal 19.

4. Check continuity between AV control unit connector M136 terminal 58 and ground.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness or connectors.

2.

CHECK RGB SYNCHRONIZING SIGNAL

1. Connect AV control unit connector M136 and display unit connector.

2. Turn ignition switch ON.

3. Check signal between display unit connector M93 terminal 19 and ground.

Is inspection result normal?

YES

>> Replace display unit. Refer to 

AV-191, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-187, "Removal and Installation"

.

AV control unit

Display unit

Continuity

Connector

Terminal

Connector

Terminal

M136

58

M93

19

Yes

AV control unit

Ground

Continuity

Connector

Terminal

M136

58

No

Display unit

Ground

Reference value

(+)

(

−)

Connector

Terminal

M93

19

—

SKIB3603E

AV

RGB AREA (YS) SIGNAL CIRCUIT

AV-165

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITHOUT BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

RGB AREA (YS) SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000009174484

Regarding Wiring Diagram information, refer to 

AV-88, "Wiring Diagram"

.

1.

CHECK RGB AREA (YS) SIGNAL CIRCUIT CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect AV control unit connector M136 and display unit connector.

3. Check continuity between AV control unit connector M136 terminal 60 and display unit connector M93 ter-

minal 9.

4. Check continuity between AV control unit connector M136 terminal 60 and ground.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness or connectors.

2.

CHECK RGB AREA (YS) SIGNAL

1. Connect AV control unit connector M136 and display unit connector.

2. Turn ignition switch ON.

3. Check signal between display unit connector M93 terminal 9 and ground.

Is inspection result normal?

YES

>> Replace display unit. Refer to 

AV-191, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-187, "Removal and Installation"

.

AV control unit

Display unit

Continuity

Connector

Terminal

Connector

Terminal

M136

60

M93

9

Yes

AV control unit

Ground

Continuity

Connector

Terminal

M136

60

No

Display unit

Ground

Condition

Reference value

(+)

(

−)

Connector

Terminal

M93

9

—

RGB image displayed.

5.0 V

AUX image displayed.

PKIB4948J

AV-166

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITHOUT BOSE]

HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT

HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000009174485

Regarding Wiring Diagram information, refer to 

AV-88, "Wiring Diagram"

.

1.

CHECK HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect AV control unit connector M136 and display unit connector.

3. Check continuity between AV control unit connector M136 terminal 62 and display unit connector M93 ter-

minal 8.

4. Check continuity between AV control unit connector M136 terminal 62 and ground.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness or connectors.

2.

CHECK HORIZONTAL SYNCHRONIZING (HP) SIGNAL

1. Connect AV control unit connector M136 and display unit connector.

2. Turn ignition switch ON.

3. Check signal between display unit connector M93 terminal 8 and ground.

Is inspection result normal?

YES

>> Replace AV control unit. Refer to 

AV-187, "Removal and Installation"

.

NO

>> Replace display unit. Refer to 

AV-191, "Removal and Installation"

.

AV control unit

Display unit

Continuity

Connector

Terminal

Connector

Terminal

M136

62

M93

8

Yes

AV control unit

Ground

Continuity

Connector

Terminal

M136

62

No

Display unit

Ground

Reference value

(+)

(

−)

Connector

Terminal

M93

8

—

SKIB3601E