Nissan Pathfinder. Manual — part 88

AV

STEERING SWITCH

AV-179

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITHOUT BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

YES

>> GO TO 3.

NO

>> Repair or replace harness or connectors.

3.

CHECK COMBINATION SWITCH

Check continuity between combination switch connectors M30 and M149.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace spiral cable. Refer to

SR-15, "Removal and Installation"

.

4.

CHECK HARNESS BETWEEN COMBINATION METER AND AV CONTROL UNIT

1. Disconnect AV control unit connector M125.

2. Check continuity between combination meter connector M24 and AV control unit connector M125.

3. Check continuity between combination meter connector M24 and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness or connectors.

5.

CHECK AV CONTROL UNIT VOLTAGE

1. Connect combination meter connector M125 and AV control unit connector M125.

2. Turn ignition switch ON.

3. Check the voltage between the terminals of AV control unit connector M125.

Is the inspection result normal?

YES

>> Replace combination meter. Refer to

MWI-82, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to

AV-187, "Removal and Installation"

.

Combination switch

Continuity

Connector

Terminal

Connector

Terminal

M30

24

M149

14

Yes

31

15

33

17

Combination meter

AV control unit

Continuity

Connector

Terminal

Connector

Terminal

M24

14

M125

38

Yes

15

48

16

47

Combination meter

Ground

Continuity

Connector

Terminal

M24

14

—

No

15

16

AV control unit M125

Voltage

(Approx.)

(+)

(

−)

Terminal

Terminal

38

47

5.0 V

48

AV-180

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITHOUT BOSE]

USB CONNECTOR

USB CONNECTOR

Diagnosis Procedure

INFOID:0000000009174494

Regarding Wiring Diagram information, refer to

AV-88, "Wiring Diagram"

.

1.

CHECK USB INTERFACE HARNESS CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect AV control unit connector M145 and USB interface connector M209.

3. Check continuity between AV control unit connector M145 and USB interface connector M209.

4. Check continuity between AV control unit connector M145 and ground.

Is the inspection result normal?

YES

>> Replace the USB interface. Refer to

AV-195, "Removal and Installation"

.

NO

>> Repair or replace harness or connectors.

AV control unit

USB interface

Continuity

Connector

Terminal

Connector

Terminal

M145

121

M209

2

Yes

122

1

123

4

124

3

125

5

AV control unit

—

Continuity

Connector

Terminal

M145

121

Ground

No

123

AV

MULTI AV SYSTEM

AV-181

< SYMPTOM DIAGNOSIS >

[MID AUDIO WITHOUT BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

SYMPTOM DIAGNOSIS

MULTI AV SYSTEM

Symptom Table

INFOID:0000000009174495

RELATED TO AUDIO

Symptoms

Check items

Probable malfunction location

The disk cannot be removed.

AV control unit

Malfunction in AV control unit.
Refer to

AV-63, "On Board Diagnosis Func-

tion"

.

No sound comes out or the level of the
sound is low.

No sound from all speakers.

• Speaker circuit shorted to ground.

Refer to

AV-88, "Wiring Diagram"

.

• AV control unit power supply and ground

circuits malfunction.
Refer to

AV-149, "Diagnosis Procedure"

.

Only a certain speaker (front door speaker
LH, front door speaker RH, front instrument
panel tweeter LH, front instrument panel
tweeter RH, rear door speaker LH, rear
door speaker RH) does not output sound.

• Poor connector connection of speaker.
• Sound signal circuit malfunction between

AV control unit and speaker.
Refer to:

-

AV-149, "Diagnosis Procedure"

(front

door speaker).

-

AV-151, "Diagnosis Procedure"

(front in-

strument panel tweeter).

-

AV-153, "Diagnosis Procedure"

(rear

door speaker).

• Malfunction in speaker.

Refer to:

-

AV-192, "Removal and Installation"

(front

door speaker).

-

AV-193, "Removal and Installation"

(front

instrument panel tweeter).

-

AV-194, "Removal and Installation"

(rear

door speaker).

• Malfunction in AV control unit.

Refer to

AV-63, "On Board Diagnosis

Function"

.

AV-182

< SYMPTOM DIAGNOSIS >

[MID AUDIO WITHOUT BOSE]

MULTI AV SYSTEM

RELATED TO HANDS-FREE PHONE

• Before performing diagnosis, confirm that the cellular phone being used by the customer is compatible with

the vehicle.

• It is possible that a malfunction is occurring due to a version change of the phone even though the phone is

a compatible type. This can be confirmed by changing the cellular phone to another compatible type, and

check that it operates normally. It is important to determine whether the cause of the malfunction is the vehi-

cle or the cellular phone.

Noise is mixed with audio.

Noise comes out from all speakers.

Malfunction in AV control unit.
Refer to

AV-63, "On Board Diagnosis Func-

tion"

.

Noise comes out only from a certain speak-
er (front door speaker LH, front door speak-
er RH, front instrument panel tweeter LH,
front instrument panel tweeter RH, rear
door speaker LH, rear door speaker RH).

• Poor connector connection of speaker.
• Sound signal circuit malfunction between

AV control unit and speaker.
Refer to:

-

AV-149, "Diagnosis Procedure"

(front

door speaker).

-

AV-151, "Diagnosis Procedure"

(front in-

strument panel tweeter).

-

AV-153, "Diagnosis Procedure"

(rear

door speaker).

• Malfunction in speaker.
• Poor Installation of speaker (e.g. back-

lash and looseness).
Refer to:

-

AV-192, "Removal and Installation"

(front

door speaker).

-

AV-193, "Removal and Installation"

(front

instrument panel tweeter).

-

AV-194, "Removal and Installation"

(rear

door speaker).

• Malfunction in AV control unit.

Refer to

AV-63, "On Board Diagnosis

Function"

.

Noise is mixed with radio only (when the ve-
hicle hits a bump or while driving over bad
roads)

Poor connector connection of antenna or
antenna feeder.
Refer to

AV-201, "Location of Antennas"

.

No radio reception or poor reception.

• Other audio sounds are normal.
• Any radio station cannot be received or

poor reception is caused even after mov-
ing to a service area with good reception
(e.g. a place with clear view and no ob-
stacles generating external noises).

• Antenna amp. ON signal circuit malfunc-

tion.

• Poor connector connection of antenna or

antenna feeder.
Refer to

AV-201, "Location of Antennas"

.

No satellite radio reception.

There is malfunction in the CONSULT self
diagnosis result.
Refer to

AV-70, "CONSULT Function"

.

• Malfunction in antenna, antenna feeder

or AV control unit. Perform DTC diagno-
sis.
Refer to

AV-70, "CONSULT Function"

.

• Poor continuity in antenna feeder.
• Poor connector connection of antenna or

antenna feeder.
Refer to

AV-201, "Location of Antennas"

.

There is no malfunction in the CONSULT
self diagnosis result.
Refer to

AV-70, "CONSULT Function"

.

• Poor continuity in antenna feeder.
• Poor connector connection of antenna or

antenna feeder.

• Loose satellite radio antenna mounting

nut.
Refer to

AV-201, "Location of Antennas"

.

Buzz/rattle sound from speaker

The majority of buzz/rattle sounds are not
indicative of an issue with the speaker, usu-
ally something nearby the speaker is caus-
ing the buzz/rattle.

Refer to "SQUEAK AND RATTLE TROU-
BLE DIAGNOSIS" in the appropriate interi-
or trim section.

Symptoms

Check items

Probable malfunction location