Nissan Maxima. Manual - part 189

AV-576

< DTC/CIRCUIT DIAGNOSIS >

[COLOR DISPLAY - W/BOSE & NAVI]

POWER SUPPLY AND GROUND CIRCUIT

3.

CHECK REVERSE POSITION INPUT SIGNAL

1. Connect AV control unit connector.

2. Turn ignition switch ON.

3. Shift transmission into reverse.

4. Check voltage between AV control unit harness connector M163 terminal 53 and ground.

Is voltage reading approximately 12 volts?

YES

>> Replace AV control unit. Refer to 

AV-652, "Removal and Installation"

.

NO

>> Check harness for open or short between AV control unit and back-up lamp relay.

4.

CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect rear view camera harness connector.

3. Check continuity between rear view camera harness connector

T101 terminal 2 and ground. 

Does continuity exist?

YES

>> Inspection End.

NO

>> Repair harness or connector.

MICROPHONE
MICROPHONE : Diagnosis Procedure

INFOID:0000000009471493

Regarding Wiring Diagram information, refer to 

AV-614, "Wiring Diagram - With BOSE audio system With Nav-

igation System"

.

1.

CHECK POWER SUPPLY CIRCUIT

Check voltage between microphone harness connector R7 terminal

4 and ground.

Is approximately 5V present?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT (CONTINUITY)

(+)

(-)

Transmission position

Value (Approx.)

     Connector

Terminal

M163

53

Ground

Reverse

12V

Connector

Terminal

—

Continuity

T101

2

Ground

Yes

AWNIA1725ZZ

(+)

(-)

Value (Approx.)

Connector

Terminal

R7

4

Ground

5V

WKIA5796E

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-577

< DTC/CIRCUIT DIAGNOSIS >

[COLOR DISPLAY - W/BOSE & NAVI]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

1. Turn ignition switch OFF.

2. Disconnect microphone and AV control unit harness connectors.

3. Check continuity between microphone harness connector R7

(A) terminal 4 and AV control unit harness connector M163 (B)

terminal 44. 

4. Check continuity between microphone harness connector R7

(A) terminal 4 and ground. 

Are the continuity test results as specified?

YES

>> Replace the AV control unit. Refer to 

AV-652, "Removal and Installation"

.

NO

>> Repair harness or connector.

3.

CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect microphone harness connector R7 and AV control

unit harness connector M163.

3. Check continuity between microphone harness connector R7

(A) terminal 2 and AV control unit harness connector M163 (B)

terminal 43. 

Does continuity exist?

YES

>> Inspection End.

NO

>> Repair harness or connector.

A

B

Continuity

Connector

Terminal

Connector

Terminal

R7

4

M163

44

Yes

A

—

Continuity

Connector

Terminal

R7

4

Ground

No

ALNIA1219GB

A

B

Continuity

Connector

Terminal

Connector

Terminal

R7

2

M163

43

Yes

AWNIA1933ZZ

AV-578

< DTC/CIRCUIT DIAGNOSIS >

[COLOR DISPLAY - W/BOSE & NAVI]

RGB DIGITAL IMAGE SIGNAL CIRCUIT

RGB DIGITAL IMAGE SIGNAL CIRCUIT

Description

INFOID:0000000009471494

Transmit the image displayed with AV control unit with RGB digital image signal to the display unit.

Diagnosis Procedure

INFOID:0000000009471495

Regarding Wiring Diagram information, refer to 

AV-652, "Removal and Installation"

.

1.

CHECK CONTINUITY RGB DIGITAL IMAGE SIGNAL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect display unit connector M151 and AV control unit con-

nector M161.

3. Check continuity between display unit harness connector M151

(A) terminals 27, 28 and AV control unit harness connector

M161 (B) terminals 23 and 24.

4. Check continuity between display unit harness connector M151 (A) terminals 27, 28 and ground.

Are continuity results as specified?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK RGB DIGITAL IMAGE SIGNAL

1. Connect display unit connector M151 and AV control unit con-

nector M161.

2. Turn ignition switch ON.

3. Check voltage between display unit harness connector M151

terminals 27, 28 and ground.

Are voltage readings as specified?

YES

>> Replace display unit. Refer to 

AV-655, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-652, "Removal and Installation"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M151

27

M161

23

Yes

28

24

A

—

Continuity

Connector

Terminal

M151

27

Ground

No

28

ALNIA1222GB

(+)

(-)

Condition

Voltage

(Approx.)l

Connector

Terminal

M151

27

Ground

Not con-
nected 
connector

1.3 V

28

ALNIA1223GB

AV

COMPOSITE IMAGE SIGNAL CIRCUIT

AV-579

< DTC/CIRCUIT DIAGNOSIS >

[COLOR DISPLAY - W/BOSE & NAVI]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

COMPOSITE IMAGE SIGNAL CIRCUIT

Description

INFOID:0000000009471496

AV control unit transmits the playback DVD image signal and AUX image signal to the display unit.

Diagnosis Procedure

INFOID:0000000009471497

Regarding Wiring Diagram information, refer to 

AV-614, "Wiring Diagram - With BOSE audio system With Nav-

igation System"

.

1.

CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect AV control unit connector M163 and display unit con-

nector M142.

3. Check continuity between AV control unit connector M163 (A)

terminal 40 and display unit connector M142 (B) terminal 18.

4. Check continuity between AV control unit connector M163 (A)

terminal 40 and ground.

Are continuity results as specified?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK AUX COMPOSITE SIGNAL

1. Connect AV control unit connector M163 and display unit con-

nector M142.

2. Turn ignition switch ON.

3. Check signal between AV control unit harness connector M163

terminal 40 and ground.

Are voltage readings as specified?

YES

>> Replace display unit. Refer to 

AV-655, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-652, "Removal and Installation"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M163

40

M142

18

Yes

A

—

Continuity

Connector

Terminal

M163

40

Ground

No

ALNIA1224GB

(+)

(-)

Condition

Reference signal

Connector

Terminal

M163

40

Ground

At DVD 
image is 
displayed

ALNIA1225GB

SKIB2251J