Nissan Frontier. Manual - part 83

AV-324

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION]

REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT

2. Disconnect AV control unit connector M97 and rear view camera connector.

3. Check continuity between AV control unit connector M97 and rear view camera connector C251.

4. Check continuity between AV control unit connector M97 and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness or connectors.

5.

CHECK CAMERA GROUND CIRCUIT CONTINUITY

Check continuity between AV control unit connector M97 and rear view camera connector C251.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace harness or connectors.

6.

CHECK CAMERA IMAGE SIGNAL

1. Connect AV control unit connector M97 and rear view camera connector.

2. Turn ignition switch ON.

3. Shift the selector lever to R (reverse).

4. Check signal between AV control unit connector M97 and ground.

Is the inspection result normal?

YES

>> Replace AV control unit. Refer to 

AV-348, "Removal and Installation"

.

NO

>> Replace rear view camera. Refer to 

AV-363, "Removal and Installation"

.

AV control unit

Rear view camera

Continuity

Connector

Terminal

Connector

Terminal

M97

36

C251

3

Yes

AV control unit

Ground

Continuity

Connector

Terminal

M97

36

No

AV control unit

Rear view camera

Continuity

Connector

Terminal

Connector

Terminal

M97

35

C251

6

Yes

AV control unit

Ground

Condition

Reference value

(+)

(

−)

Connector

Terminal

M97

36

—

Camera image dis-

played.

SKIB2251J

AV

STEERING SWITCH

AV-325

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION]

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STEERING SWITCH

Diagnosis Procedure

INFOID:0000000009482240

Regarding Wiring Diagram information, refer to 

AV-264, "Wiring Diagram"

.

1.

CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE

1. Disconnect combination switch connector M102.

2. Check resistance between combination switch connector terminals.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace steering wheel audio control switches. Refer to 

AV-240, "Removal and Installation"

.

2.

CHECK HARNESS BETWEEN AV CONTROL UNIT AND COMBINATION SWITCH

1. Turn ignition switch OFF.

2. Disconnect AV control unit connector M96 and combination switch connector M30.

3. Check continuity between AV control unit connector M96 and combination switch connector M30.

4. Check continuity between AV control unit connector M96 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connectors.

3.

SPIRAL CABLE CHECK

Check continuity between combination switch connectors M30 and M102.

Combination switch connector M102

Condition

Resistance (

Ω)

(Approx.)

Terminal

Terminal

16

18

Depress VOL DOWN switch.

1

Depress VOL UP switch.

121

Depress  

switch.

321

15

Depress MODE switch.

1

Depress  

switch.

121

Depress  

switch.

321

Depress  

switch.

723

AV control unit

Combination switch

Continuity

Connector

Terminal

Connector

Terminal

M96

6

M30

24

Yes

16

25

15

31

AV control unit

—

Continuity

Connector

Terminal

M96

6

Ground

No

16

15

AV-326

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION]

STEERING SWITCH

Is the inspection result normal?

YES

>> Replace AV control unit. Refer to 

AV-348, "Removal and Installation"

.

NO

>> Replace spiral cable. Refer to 

SR-13, "Removal and Installation"

.

Combination switch

Continuity

Connector

Terminal

Connector

Terminal

M30

24

M102

15

Yes

25

16

31

18

AV

MICROPHONE SIGNAL CIRCUIT

AV-327

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION]

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MICROPHONE SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000009482241

Regarding Wiring Diagram information, refer to 

AV-264, "Wiring Diagram"

.

1.

CHECK MICROPHONE SIGNAL CIRCUIT CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect AV control unit connector M97 and microphone connector R8.

3. Check continuity between AV control unit connector M97 and microphone connector R8.

4. Check continuity between AV control unit connector M97 and ground.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness or connectors.

2.

CHECK MICROPHONE VCC VOLTAGE

1. Connect AV control unit connector M97.

2. Turn ignition switch ON.

3. Check voltage between terminals of AV control unit connector M97.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace AV control unit. Refer to 

AV-348, "Removal and Installation"

.

3.

CHECK MICROPHONE SIGNAL 

1. Connect microphone connector.

2. Check signal between terminals of AV control unit connector M97.

AV control unit

Microphone

Continuity

Connector

Terminal

Connector

Terminal

M97

41

R8

2

Yes

42

4

43

1

AV control unit

Ground

Continuity

Connector

Terminal

M97

41

—

No

42

43

AV control unit connector M97

Voltage

(Approx.)

(+)

(

−)

Terminal

Terminal

42

41

5.0 V