Nissan Pathfinder. Instruction - part 131

AV

DISK EJECT SIGNAL CIRCUIT

AV-351

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITH BOSE]

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DISK EJECT SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000009174612

Regarding Wiring Diagram information, refer to 

AV-242, "Wiring Diagram"

.

1.

CHECK DISK EJECT SIGNAL CIRCUIT CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect AV control unit connector M42 and A/C and AV switch assembly connector.

3. Check continuity between AV control unit connector M42 terminal 28 and A/C and AV switch assembly

connector M98 terminal 14.

4. Check continuity between AV control unit connector M42 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 M42 and A/C and AV switch assembly connector.

2. Turn ignition switch ON.

3. Check voltage between AV control unit connector M42 terminal 28 and ground.

Is the inspection result normal?

YES

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

AV-367, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-365, "Removal and Installation"

.

AV control unit

A/C and AV switch assembly

Continuity

Connector

Terminal

Connector

Terminal

M42

28

M98

14

Yes

AV control unit

Ground

Continuity

Connector

Terminal

M42

28

No

AV control unit

Ground

Condition

Voltage

(Approx.)

(+)

(

−)

Connector

Terminal

M42

28

—

Pressing eject switch

0 V

Except above

5.0 V

AV-352

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITH BOSE]

MICROPHONE SIGNAL CIRCUIT

MICROPHONE SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000009174613

Regarding Wiring Diagram information, refer to 

AV-242, "Wiring Diagram"

.

1.

CHECK MICROPHONE SIGNAL CIRCUIT CONTINUITY

1. Turn ignition switch OFF.
2. Disconnect Bluetooth

®

 control unit connector B3 and microphone connector.

3. Check continuity between Bluetooth

®

 control unit connector B3 terminals 7, 8, 29 and microphone con-

nector R109 terminals 6, 5, 3.

4. Check continuity between Bluetooth

®

 control unit connector B3 terminals 7, 8, 29 and ground.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness or connectors.

2.

CHECK MICROPHONE VCC VOLTAGE

1. Connect Bluetooth

®

 control unit connector B3.

2. Turn ignition switch ON.
3. Check the voltage between the terminals of Bluetooth

®

 control unit connector B3.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace Bluetooth

®

 control unit. Refer to 

AV-382, "Removal and Installation"

.

3.

CHECK MICROPHONE SIGNAL 

1. Connect microphone connector.
2. Check the signal between the terminals of Bluetooth

®

 control unit connector B3.

Bluetooth

®

 control unit

Microphone

Continuity

Connector

Terminal

Connector

Terminal

B3

7

R109

6

Yes

8

5

29

3

Bluetooth

®

 control unit

Ground

Continuity

Connector

Terminal

B3

7

—

No

8

29

Bluetooth

®

 control unit connector B3

Voltage

(Approx.)

(+)

(

−)

Terminal

Terminal

29

8

5.0 V

AV

MICROPHONE SIGNAL CIRCUIT

AV-353

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITH BOSE]

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Is the inspection result normal?

YES

>> Replace Bluetooth

®

 control unit. Refer to 

AV-382, "Removal and Installation"

.

NO

>> Replace microphone. Refer to 

AV-383, "Removal and Installation"

.

Bluetooth

®

 control unit connector B3

Condition

Reference value

(+)

(

−)

Terminal

Terminal

7

8

Speak into microphone.

PKIB5037J

AV-354

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITH BOSE]

BLUETOOTH® CONTROL SIGNAL CIRCUIT

BLUETOOTH® CONTROL SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000009174614

1.

CHECK CONTROL SIGNAL CIRCUIT CONTINUITY

1. Turn ignition switch OFF.
2. Disconnect Bluetooth

®

 control unit connector B3.

3. Check continuity between Bluetooth

®

 control unit connector B3 terminals 20, 24 and ground.

Is the inspection result normal?

YES

>> Replace Bluetooth

®

 control unit. Refer to 

AV-382, "Removal and Installation"

.

NO

>> Repair or replace harness or connectors.

Bluetooth

®

 control unit

Ground

Continuity

Connector

Terminal

B3

20

—

Yes

24