Nissan Maxima. Manual - part 152

AV-428

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SOUND SIGNAL CIRCUIT

YES

>> Replace AV control unit. Refer to 

AV-481, "Removal and Installation"

.

NO

>> Replace satellite radio tuner. Refer to 

AV-494, "Removal and Installation"

.

RIGHT CHANNEL

1.

CHECK HARNESS

1. Turn ignition switch OFF.

2. Disconnect satellite radio tuner (factory installed) connector

B111 and AV control unit connector M153.

3. Check continuity between satellite radio tuner (factory installed)

B111 (A) and AV control unit M153 (B).

4. Check continuity between satellite radio tuner (factory installed) connector B111 (A) and ground.

Are continuity results as specified?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK RIGHT CHANNEL AUDIO SIGNAL

1. Connect satellite radio tuner (factory installed) and AV control unit.

2. Turn ignition switch ON.

3. Check signal between satellite radio tuner (factory installed)

connector B111 terminals 23 and 24 with CONSULT or oscillo-

scope.

Are voltage readings as specified?

YES

>> Replace AV control unit. Refer to 

AV-481, "Removal and Installation"

.

NO

>> Replace satellite radio tuner. Refer to 

AV-494, "Removal and Installation"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

B111

23

M153

23

Yes

24

24

A

—

Continuity

Connector

Terminal

B111

23

Ground

No

24

ALNIA0338GB

(+)

(-)

Reference signal

Connector

Terminal

B111

24

23

ALNIA0881GB

SKIB3609E

AV

MICROPHONE SIGNAL CIRCUIT

AV-429

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MICROPHONE SIGNAL CIRCUIT

Description

INFOID:0000000009471382

Voice signals are transmitted from the microphone to the Bluetooth

®

 control unit using the microphone signal

circuits.

Diagnosis Procedure

INFOID:0000000009471383

Regarding Wiring Diagram information, refer to 

AV-449, "Wiring Diagram - With BOSE Audio system Without

Navigation 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-503, "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-430

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MICROPHONE SIGNAL CIRCUIT

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-503, "Removal and Installation"

.

NO

>> Replace microphone. Refer to 

AV-501, "Removal and Installation"

.

Connector

(+)

(-)

Reference signal

Terminal

Terminal

B131

7

8

While talking into microphone

ALNIA0934GB

PKIB5037J

AV

AV CONTROL UNIT

AV-431

< ECU DIAGNOSIS INFORMATION >

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ECU DIAGNOSIS INFORMATION

AV CONTROL UNIT

Reference Value

INFOID:0000000009471384

VALUES ON THE DIAGNOSIS TOOL

CONSULT data monitor item

TERMINAL LAYOUT

PHYSICAL VALUES

Display Item

Dis-
play

Vehicle status

Remarks

VHCL SPD SIG

ON

Vehicle speed >0 km/h (0 MPH)

Changes in indication may be delayed. This is nor-
mal.

OFF

Vehicle speed =0 km/h (0 MPH)

PKB SIG

ON

Parking brake is applied.

Changes in indication may be delayed. This is nor-
mal.

OFF

Parking brake is released.

ILLUM SIG

ON

Block the light beam from the auto 
light optical sensor when the light SW 
is ON .

—

OFF

Expose the auto light optical sensor 
to light when the light SW is OFF or 
ON.

IGN SIG

ON

Ignition switch ON

—

OFF

Ignition switch in ACC position

REV SIG

ON

Selector lever in R position

Changes in indication may be delayed. This is nor-
mal.

OFF

Selector lever in any position other 
than R

AWNIA1971ZZ

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

6 

(W/G)

15 

(L/B)

Steering switch signal A

Input

ON

Depress volume DOWN 
switch.

0.7V

Depress volume UP switch.

1.3V

Depress  

  switch.

2.0V

Except for above.

3.3V

7

(V/Y)

Ground ACC power supply

Input

Ignition 

switch 

ACC

—

Battery voltage

9

(R/L)

Ground Illumination signal

Input

OFF

Lighting switch is OFF.

0V

Lighting switch is ON.

Battery voltage