Nissan March K13. Manual - part 4

AV

AUDIO UNIT

AV-9

< ECU DIAGNOSIS INFORMATION >

[AUDIO SYSTEM]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

13

(L)

14

(Y)

Sound signal rear door 
speaker RH

Output

Ignition 

switch 

ON

Sound signal output

19

(LG)

Ground

Battery power supply

Input

Ignition 

switch 

OFF

—

Battery voltage

42

—

Antenna signal

Input

—

—

—

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB3609E

AV-10

< WIRING DIAGRAM >

[AUDIO SYSTEM]

AUDIO SYSTEM

WIRING DIAGRAM

AUDIO SYSTEM

Wiring Diagram

INFOID:0000000005986786

For connector terminal arrangements, harness layouts, and alphabets in a 

 (option abbreviation; if not

described in wiring diagram), refer to 

GI-12, "Connector Information"

.

AV

DIAGNOSIS AND REPAIR WORKFLOW

AV-11

< BASIC INSPECTION >

[AUDIO SYSTEM]

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BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

INFOID:0000000005911594

OVERALL SEQUENCE

Reference 1···Refer to 

AV-14, "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-14, "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-12

< BASIC INSPECTION >

[AUDIO SYSTEM]

DIAGNOSIS AND REPAIR WORKFLOW

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