Nissan Frontier. Manual - part 57

 

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Nissan Frontier. Manual - part 57

 

 

AV-220

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO WITH AMPLIFIER]

STEERING SWITCH

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace spiral cable. Refer to 

SR-13, "Removal and Installation"

.

4.

CHECK HARNESS BETWEEN BLUETOOTH

®

 CONTROL UNIT AND AUDIO UNIT

1. Disconnect audio unit connector M46.
2. Check continuity between Bluetooth

®

 control unit connector B141 and audio unit connector M46.

3. Check continuity between Bluetooth

®

 control unit connector B141 and ground.

Is the inspection result normal?

YES

>> Replace audio unit. Refer to 

AV-233, "Removal and Installation"

.

NO

>> Repair or replace harness or connectors.

Combination switch

Continuity

Connector

Terminal

Connector

Terminal

M30

24

M102

15

Yes

25

16

31

18

Bluetooth

®

 control unit

Audio unit

Continuity

Connector

Terminal

Connector

Terminal

B141

17

M46

6

Yes

18

16

19

15

Bluetooth

®

 control unit

Continuity

Connector

Terminal

B141

17

Ground

No

18

19

AV

MICROPHONE SIGNAL CIRCUIT

AV-221

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO WITH AMPLIFIER]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

MICROPHONE SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000009482162

Regarding Wiring Diagram information, refer to 

AV-177, "Wiring Diagram"

.

1.

CHECK HARNESS BETWEEN BLUETOOTH

®

 CONTROL UNIT AND MICROPHONE

1. Turn ignition switch OFF.
2. Disconnect Bluetooth

®

 control unit connector B141 and microphone connector.

3. Check continuity between Bluetooth

®

 control unit connector B141 and microphone connector R8.

4. Check continuity between Bluetooth

®

 control unit connector B141 and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK MICROPHONE POWER SUPPLY

1. Connect Bluetooth

®

 control unit connector B141 and microphone connector.

2. Turn ignition switch ON.

3. Check voltage between microphone connector R8 terminal 4 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace Bluetooth

®

 control unit. Refer to 

AV-241, "Removal and Installation"

.

3.

CHECK MICROPHONE SIGNAL

Check signal between Bluetooth

®

 control unit connector B141 with CONSULT or and oscilloscope.

Bluetooth

®

 control unit

Microphone

Continuity

Connector

Terminal

Connector

Terminal

B141

7

R8

1

Yes

8

2

29

4

Bluetooth

®

 control unit

Continuity

Connector

Terminal

B141

7

Ground

No

8

29

Microphone

Ground

Value (Approx.)

Connector

Terminal

R8

4

5V

AV-222

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO WITH AMPLIFIER]

MICROPHONE SIGNAL CIRCUIT

Is the inspection result normal?

YES

>> Replace Bluetooth

®

 control unit. Refer to 

AV-241, "Removal and Installation"

.

NO

>> Replace microphone. Refer to 

AV-243, "Removal and Installation"

.

Bluetooth

®

 control unit connector B141

Condition

Reference signal

(+)

(-)

Terminal

Terminal

7

8

Speak into microphone.

PKIB5037J

AV

USB CONNECTOR

AV-223

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO WITH AMPLIFIER]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

USB CONNECTOR

Diagnosis Procedure

INFOID:0000000009482163

Regarding Wiring Diagram information, refer to 

AV-177, "Wiring Diagram"

.

1.

CHECK USB INTERFACE HARNESS CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect audio unit connector M65 and USB interface connector M214.

3. Check continuity between audio unit connector M65 and USB interface connector M214.

4. Check continuity between audio unit connector M65 and ground.

Is the inspection result normal?

YES

>> Replace the USB interface. Refer to 

AV-247, "Removal and Installation"

.

NO

>> Repair or replace harness or connectors.

Audio unit

USB interface 

Continuity

Connector

Terminal

Connector

Terminal

M65

53

M214

4

Yes

54

1

55

2

56

3

57

5

Audio unit

Continuity

Connector

Terminal

M65

54

Ground

No

57

 

 

 

 

 

 

 

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