Nissan Versa Sedan. Manual - part 16

AV-56

< WIRING DIAGRAM >

[MID AUDIO]

MID AUDIO SYSTEM

ABNIA4557GB

AV

DIAGNOSIS AND REPAIR WORKFLOW

AV-57

< BASIC INSPECTION >

[MID AUDIO]

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BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

INFOID:0000000009375111

OVERALL SEQUENCE

DETAILED FLOW

1.

GET INFORMATION FOR SYMPTOM

Get detailed information from the customer about the symptom (the condition and the environment when the

incident/malfunction occurred).

>> GO TO 2.

2.

CONFIRM THE SYMPTOM

Try to confirm the symptom described by the customer. Verify relation between the symptom and the condition

when the symptom is detected. Refer to 

AV-72, "Symptom Table"

.

>> GO TO 3.

3.

DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE

Inspect according to Diagnostic Procedure of the system.

AWNIA2404GB

AV-58

< BASIC INSPECTION >

[MID AUDIO]

DIAGNOSIS AND REPAIR WORKFLOW

Is malfunctioning part detected?

YES

>> GO TO 4.

NO

>> GO TO 2.

4.

REPAIR OR REPLACE THE MALFUNCTIONING PART

1. Repair or replace the malfunctioning part.

2. Reconnect parts or connectors disconnected during Diagnostic Procedure.

>> GO TO 5.

5.

FINAL CHECK

Refer to confirmed symptom in step 2, and make sure that the symptom is not detected.
Has the symptom been repaired?

YES

>> Inspection End.

NO

>> GO TO 2.

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-59

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO]

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DTC/CIRCUIT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

AUDIO UNIT
AUDIO UNIT : Diagnosis Procedure

INFOID:0000000009375112

Regarding Wiring Diagram information, refer to 

AV-48, "Wiring Diagram"

.

1.

CHECK FUSE

Check that the following fuses are not blown.

Are the fuses blown?

YES

>> Replace the blown fuse after repairing the affected circuit.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect audio unit connector M44.

3. Check voltage between audio unit connector M44 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connectors.

3.

CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect audio unit connector M45.

3. Check continuity between audio unit connector M45 and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair or replace harness or connectors.

BLUETOOTH® CONTROL UNIT
BLUETOOTH® CONTROL UNIT : Diagnosis Procedure

INFOID:0000000009375113

Regarding Wiring Diagram information, refer to 

AV-48, "Wiring Diagram"

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Terminal No.

Signal name

Fuse No.

7

ACC power supply

18 (10A)

19

Battery power supply

29 (20A)

Audio unit

Ground

Condition

Voltage

(Approx.)

Connector

Terminal

M44

7

—

Ignition switch: ON

Battery voltage

19

Ignition switch: OFF

Audio unit

Ground

Continuity 

Connector

Terminal

M45

22

—

Yes

23

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