Nissan Maxima. Instruction — part 75

AV-120

< DTC/CIRCUIT DIAGNOSIS >

[MONOCHROME DISPLAY - W/ BOSE]

SUBWOOFER

1. Connect BOSE speaker amp. connector B110 and suspect rear

subwoofer connector.

2. Turn ignition switch to ACC.

3. Push POWER switch.

4. Check the signal between BOSE speaker amp. harness connec-

tor B110 terminals with CONSULT or oscilloscope.

Is the audio signal voltage as specified?

YES

>> Replace suspect rear subwoofer. Refer to

AV-168,

"Removal and Installation"

.

NO

>> GO TO 4.

4.

HARNESS CHECK

1. Disconnect audio unit connector M132 and BOSE speaker amp.

connector B109.

2. Check continuity between audio unit harness connector M132

(A) and BOSE speaker amp. harness connector B109 (B).

3. Check continuity between audio unit harness connector M132

(A) terminal and ground.

Are continuity test results as specified?

YES

>> GO TO 5.

NO

>> • Check connector housings for disconnected or loose terminals.

• Repair harness or connector.

5.

REAR SUBWOOFER SIGNAL CHECK

Connector

Terminals

Condition

Reference

signal

(+)

(-)

B110

13

8

Receive au-
dio signal

5

6

AWNIA1706ZZ

SKIA0177E

A

B

Continuity

Connector

Terminal

Connector

Terminal

M132

4

B109

24

Yes

5

23

13

26

14

25

A

—

Continuity

Connector

Terminal

M132

4

Ground

No

5

13

14

AWNIA1704ZZ

AV

SUBWOOFER

AV-121

< DTC/CIRCUIT DIAGNOSIS >

[MONOCHROME DISPLAY - W/ BOSE]

C

D

E

F

G

H

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B

A

O

P

1. Connect audio unit connector M132 and BOSE speaker amp.

connector B109.

2. Turn ignition switch to ACC.

3. Push POWER switch.

4. Check the signal between audio unit harness connector termi-

nals with CONSULT or oscilloscope.

Is the audio signal voltage as specified?

YES

>> Replace BOSE speaker amp. Refer to

AV-169,

"Removal and Installation"

.

NO

>> Replace audio unit. Refer to

AV-161, "Removal and

Installation"

.

Connector

Terminals

Condition

Reference

signal

(+)

(-)

M132

4

5

Receive
audio sig-
nal

13

14

AWNIA0034ZZ

SKIA0177E

AV-122

< DTC/CIRCUIT DIAGNOSIS >

[MONOCHROME DISPLAY - W/ BOSE]

AMP ON SIGNAL CIRCUIT

AMP ON SIGNAL CIRCUIT

Description

INFOID:0000000009471239

When the audio system is turned on, a voltage signal is supplied from the audio unit to the BOSE speaker

amp. When this signal is received, the BOSE speaker amp. will turn on.

Diagnosis Procedure

INFOID:0000000009471240

Regarding Wiring Diagram information, refer to

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

.

1.

CHECK AMP ON SIGNAL (BOSE SPEAKER AMP)

1. Turn audio system ON.

2. Check voltage between BOSE speaker amp. harness connector

B109 terminal 20 and ground.

Is inspection result normal?

YES

>> Inspection End.

NO

>> GO TO 2.

2.

CHECK AMP ON SIGNAL (AUDIO UNIT)

Check voltage between audio unit harness connector M132 terminal

1 and ground.

Is inspection result normal?

YES

>> Repair harness or connector.

NO

>> Replace audio unit. Refer to

AV-161, "Removal and

Installation"

.

(+)

(-) Voltage

(Approx.)

Connector

Terminal

B109

20

Ground

Battery voltage

AWNIA1707ZZ

(+)

(-) Voltage

(Approx.)

Connector

Terminal

M132

1

Ground

Battery voltage

ALNIA0148ZZ

AV

STEERING SWITCH

AV-123

< DTC/CIRCUIT DIAGNOSIS >

[MONOCHROME DISPLAY - W/ BOSE]

C

D

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F

G

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B

A

O

P

STEERING SWITCH

Description

INFOID:0000000009471241

When one of the steering wheel audio control switches is pushed, the resistance in the steering wheel audio

control switch circuit changes, depending on which button is pushed.

Diagnosis Procedure

INFOID:0000000009471242

Regarding Wiring Diagram information, refer to

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

.

1.

CHECK STEERING SWITCH RESISTANCE

1. Disconnect steering switch connector M88.

2. Check resistance between steering switch connector terminals.

Do the steering switches check OK?

YES

>> GO TO 2.

NO

>> Replace steering switch. Refer to

AV-170, "Removal and Installation"

.

2.

CHECK HARNESS BETWEEN COMBINATION SWITCH (SPIRAL CABLE) AND BLUETOOTH

®

CON-

TROL UNIT

1. Turn ignition switch OFF.
2. Disconnect Bluetooth

®

control unit connector B131 and combination switch (spiral cable) connector M30.

3. Check continuity between Bluetooth

®

control unit harness connector B131 and combination switch (spiral

cable) harness connector M30.

4. Check continuity between Bluetooth

®

control unit connector B131 and ground.

Are the continuity results as specified?

YES

>> GO TO 3.

NO

>> Repair harness.

Terminal

Signal name

Condition

Resistance

(

Ω)

(Approx.)

15

17

Volume (down)

Depress volume DOWN switch.

0

Volume (up)

Depress volume UP switch.

121

Phone/End

Depress

switch.

321

14

Source

Depress SOURCE switch.

0

Seek (up)

Depress

switch.

121

Seek (down)

Depress

switch.

321

Phone/Send

Depress

switch.

723

AWNIA0035ZZ

Connector

Terminal

Connector

Terminal

Continuity

B131

12

M30

24

Yes

13

31

14

33

Connector

Terminal

—

Continuity

B131

12

Ground

No

13

14