Nissan Quest E52. Instruction — part 38

AV

BASE AUDIO WITHOUT SEPARATE DISPLAY

AV-31

< WIRING DIAGRAM >

[BASE AUDIO WITHOUT SEPARATE DISPLAY]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

JRNWC6728GB

AV-32

< BASIC INSPECTION >

[BASE AUDIO WITHOUT SEPARATE DISPLAY]

DIAGNOSIS AND REPAIR WORKFLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

INFOID:0000000009651907

OVERALL SEQUENCE

Reference 1···Refer to

AV-35, "Symptom Table"

.

DETAILED FLOW

1.

CHECK SYMPTOM

Check the malfunction symptoms by performing the following items.
• Interview the customer to obtain the malfunction information (conditions and environment when the malfunc-

tion occurred).

• Check the symptom.

>> GO TO 2.

2.

PERFORM DIAGNOSIS BY SYMPTOM

Perform the relevant diagnosis referring to the diagnosis chart by symptom. Refer to

AV-35, "Symptom Table"

.

>> GO TO 3.

3.

REPAIR OR REPLACE MALFUNCTIONING PARTS

Repair or replace the malfunctioning parts.

>> GO TO 4.

4.

FINAL CHECK

JSNIA0669GB

AV

DIAGNOSIS AND REPAIR WORKFLOW

AV-33

< BASIC INSPECTION >

[BASE AUDIO WITHOUT SEPARATE DISPLAY]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Perform the operation to check that the malfunction symptom is solved or any other symptoms are present.

Is there any symptom?

YES

>> GO TO 2.

NO

>> INSPECTION END

AV-34

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO WITHOUT SEPARATE DISPLAY]

POWER SUPPLY AND GROUND CIRCUIT

DTC/CIRCUIT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

AUDIO UNIT

AUDIO UNIT : Diagnosis Procedure

INFOID:0000000009651908

1.

CHECK FUSE

Check for blown fuses.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Be sure to eliminate cause of malfunction before installing new fuse.

2.

CHECK POWER SUPPLY CIRCUIT

Check voltage between audio unit harness connectors and ground.

Is inspection result normal?

YES

>> INSPECTION END

NO

>> Check harness between audio unit and fuse.

Power source

Fuse No.

Battery

35

Ignition switch ACC or ON

19

Signal name

Audio unit

Probe

Condition

Standard

Reference value

Terminal

Connector

(+)

(

−

)

Ignition switch

Battery power supply

M141

19

Ground

OFF

10.8 - 15.6 V

Battery voltage

ACC power supply

7

ACC