Nissan Pathfinder. Manual - part 86

 

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Nissan Pathfinder. Manual - part 86

 

 

AV

AUX IMAGE SIGNAL CIRCUIT

AV-171

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITHOUT BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Is inspection result normal?

YES

>> Replace AV control unit. Refer to 

AV-187, "Removal and Installation"

.

NO

>> Replace front auxiliary input jacks. Refer to 

AV-196, "Removal and Installation"

.

Front auxiliary input jacks

Ground

Condition

Reference value

(+)

(

−)

Connector

Terminal

M205

7

—

AUX image displayed.

SKIB2251J

AV-172

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITHOUT BOSE]

CAMERA IMAGE SIGNAL CIRCUIT

CAMERA IMAGE SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000009174489

Regarding Wiring Diagram information, refer to 

AV-88, "Wiring Diagram"

.

1.

CHECK CAMERA POWER SUPPLY CIRCUIT CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect AV control unit connector M137 and rear view camera connector.

3. Check continuity between AV control unit connector M137 terminal 87 and rear view camera connector

D504 terminal 1.

4. Check continuity between AV control unit connector M137 terminal 87 and ground.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness or connectors.

2.

CHECK CAMERA POWER SUPPLY VOLTAGE

1. Connect AV control unit connector M137 and rear view camera connector.

2. Turn ignition switch ON.

3. Shift the selector lever to “R”.

4. Check voltage between AV control unit connector M137 terminal 87 and ground.

Is inspection result normal?

YES

>> GO TO 3.

NO

>> Replace AV control unit. Refer to 

AV-187, "Removal and Installation"

.

3.

CHECK CAMERA IMAGE SIGNAL CIRCUIT CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect AV control unit connector M137 and rear view camera connector.

3. Check continuity between AV control unit connector M137 terminal 82 and rear view camera connector

D504 terminal 3.

4. Check continuity between AV control unit connector M137 terminal 82 and ground.

AV control unit

Rear view camera

Continuity

Connector

Terminal

Connector

Terminal

M137

87

D504

1

Yes

AV control unit

Ground

Continuity

Connector

Terminal

M137

87

No

AV control unit

Ground

Condition

Voltage

(Approx.)

(+)

(

−)

Connector

Terminal

M137

87

—

Selector lever is in “R”.

6.0 V

AV control unit

Rear view camera

Continuity

Connector

Terminal

Connector

Terminal

M137

82

D504

3

Yes

AV

CAMERA IMAGE SIGNAL CIRCUIT

AV-173

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITHOUT BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Is inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness or connectors.

4.

CHECK CAMERA GROUND CIRCUIT CONTINUITY

Check continuity between AV control unit connector M137 terminal 88 and rear view camera connector D504

terminal 2.

Is inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness or connectors.

5.

CHECK CAMERA IMAGE SIGNAL

1. Connect AV control unit connector M137 and rear view camera connector.

2. Turn ignition switch ON.

3. Shift the selector lever to “R”.

4. Check signal between AV control unit connector M137 terminal 82 and ground.

Is inspection result normal?

YES

>> Replace AV control unit. Refer to 

AV-187, "Removal and Installation"

.

NO

>> Replace rear view camera. Refer to 

AV-200, "Removal and Installation"

.

AV control unit

Ground

Continuity

Connector

Terminal

M137

82

No

AV control unit

Rear view camera

Continuity

Connector

Terminal

Connector

Terminal

M137

88

D504

2

Yes

AV control unit

Ground

Condition

Reference value

(+)

(

−)

Connector

Terminal

M137

82

—

Camera image dis-

played.

SKIB2251J

AV-174

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITHOUT BOSE]

DISK EJECT SIGNAL CIRCUIT

DISK EJECT SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000009174490

Regarding Wiring Diagram information, refer to 

AV-88, "Wiring Diagram"

.

1.

CHECK DISK EJECT SIGNAL CIRCUIT CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect AV control unit connector M124 and A/C and AV switch assembly connector.

3. Check continuity between AV control unit connector M124 terminal 28 and A/C and AV switch assembly

connector M98 terminal 14.

4. Check continuity between AV control unit connector M124 terminal 28 and ground.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness or connectors.

2.

CHECK AV CONTROL UNIT VOLTAGE 

1. Connect AV control unit connector M124 and A/C and AV switch assembly connector.

2. Turn ignition switch ON.

3. Check voltage between AV control unit connector M124 terminal 28 and ground.

Is the inspection result normal?

YES

>> Replace A/C and AV switch assembly. Refer to 

AV-189, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-187, "Removal and Installation"

.

AV control unit

A/C and AV switch assembly

Continuity

Connector

Terminal

Connector

Terminal

M124

28

M98

14

Yes

AV control unit

Ground

Continuity

Connector

Terminal

M124

28

No

AV control unit

Ground

Condition

Voltage

(Approx.)

(+)

(

−)

Connector

Terminal

M124

28

—

Pressing eject switch

0 V

Except above

5.0 V

 

 

 

 

 

 

 

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