Nissan Maxima. Manual - part 76

 

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Nissan Maxima. Manual - part 76

 

 

AV-124

< DTC/CIRCUIT DIAGNOSIS >

[MONOCHROME DISPLAY - W/ BOSE]

STEERING SWITCH

3.

CHECK HARNESS BETWEEN COMBINATION SWITCH (SPIRAL CABLE) AND AUDIO UNIT

1. Disconnect audio unit connector M135.

2. Check continuity between audio unit harness connector M135 and combination switch (spiral cable) har-

ness connector M30.

3. Check continuity between audio unit connector M135 and ground.

Are the continuity results as specified?

YES

>> GO TO 4.

NO

>> Repair harness.

4.

COMBINATION SWITCH (SPIRAL CABLE) CHECK

1. Check continuity between combination switch (spiral cable) har-

ness connector M30 (A) and M88 (B).

Does the combination switch (spiral cable) check OK?

YES

>> GO TO 5.

NO

>> Replace combination switch (spiral cable). Refer to 

SR-15, "Removal and Installation"

.

5.

CHECK HARNESS BETWEEN BLUETOOTH

®

 CONTROL UNIT AND AUDIO UNIT

1. Disconnect audio unit connector M132.
2. Check continuity between Bluetooth

®

 control unit harness connector B131 and audio unit harness con-

nector M132.

3. Check continuity between Bluetooth

®

 control unit connector B131 and ground.

Are the continuity results as specified?

YES

>> GO TO 6.

Connector

Terminal

Connector

Terminal

Continuity

M135

23

M30

24

Yes

24

31

30

33

Connector

Terminal

Continuity

M135

23

Ground

No

24

30

A

B

Continuity

Connector

Terminal

Connector

Terminal

M30

24

M88

14

Yes

31

15

33

17

ALNIA0931GB

Connector

Terminal

Connector

Terminal

Continuity

B131

17

M132

6

Yes

18

16

19

15

Connector

Terminal

Continuity

B131

17

Ground

No

18

19

AV

STEERING SWITCH

AV-125

< DTC/CIRCUIT DIAGNOSIS >

[MONOCHROME DISPLAY - W/ BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

NO

>> Repair harness.

6.

CHECK AUDIO UNIT VOLTAGE

1. Connect audio unit harness connector M132 and Bluetooth

®

 control unit harness connector B131.

2. Turn ignition switch ON.

3. Check voltage between audio unit harness connector M132 terminals.

Are the continuity results as specified?

YES

>> Replace Bluetooth

®

 control unit. Refer to 

AV-177, "Removal and Installation"

.

NO

>> Replace audio unit. Refer to 

AV-161, "Removal and Installation"

.

(+)

(-)

Voltage

(Approx.)

Audio unit

Audio unit

Connector

Terminal

Connector

Terminal

M132

6

M132

15

3.3V

16

AV-126

< DTC/CIRCUIT DIAGNOSIS >

[MONOCHROME DISPLAY - W/ BOSE]

MICROPHONE SIGNAL CIRCUIT

MICROPHONE SIGNAL CIRCUIT

Description

INFOID:0000000009471247

Voice signals are transmitted from the microphone to the Bluetooth

®

 control unit using the microphone signal

circuits.

Diagnosis Procedure

INFOID:0000000009471248

Regarding Wiring Diagram information, refer to 

AV-138, "Wiring Diagram - With BOSE Audio System"

.

1.

CHECK HARNESS BETWEEN BLUETOOTH

®

 CONTROL UNIT AND MICROPHONE

1. Turn ignition switch OFF.
2. Disconnect Bluetooth

®

 control unit connector and microphone

connector.

3. Check continuity between Bluetooth

®

 control unit harness con-

nector B131 (A) and microphone harness connector R7 (B).

4. Check continuity between Bluetooth

®

 control unit harness connector B131 (A) and ground.

Are the continuity test results as specified?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK MICROPHONE POWER SUPPLY

1. Connect Bluetooth

®

 control unit connector and microphone con-

nector.

2. Turn ignition switch ON.

3. Check voltage between microphone harness connector R7 ter-

minal 4 and ground.

Is voltage reading approx. 5 volts?

YES

>> GO TO 3.

NO

>> Replace Bluetooth

®

 control unit. Refer to 

AV-177, "Removal and Installation"

.

3.

CHECK MICROPHONE SIGNAL

A

B

Continuity

Connector

Terminal

Connector

Terminal

B131

7

R7

1

Yes

8

2

29

4

A

Continuity

Connector

Terminal

B131

7

Ground

No

8

29

WKIA5795E

(+)

(-)

Voltage (Approx.)

Connector

Terminal

R7

4

Ground

5V

WKIA5796E

AV

MICROPHONE SIGNAL CIRCUIT

AV-127

< DTC/CIRCUIT DIAGNOSIS >

[MONOCHROME DISPLAY - W/ BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Check signal between Bluetooth

®

 control unit harness connector

B131 terminals 7 and 8.

Are voltage readings as specified?

YES

>> Replace Bluetooth

®

 control unit. Refer to 

AV-177, "Removal and Installation"

.

NO

>> Replace microphone. Refer to 

AV-175, "Removal and Installation"

.

Connector

(+)

(-)

Reference signal

Terminal

Terminal

B131

7

8

While talking into microphone

ALNIA0934GB

PKIB5037J

 

 

 

 

 

 

 

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