Nissan Frontier. Manual - part 17

AV-60

< BASIC INSPECTION >

[BASE AUDIO (FOR MEXICO)]

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

AUDIO SYSTEM

AV-61

< SYSTEM DESCRIPTION >

[BASE AUDIO (FOR MEXICO)]

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SYSTEM DESCRIPTION

AUDIO SYSTEM

System Diagram

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System Description

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AUDIO SYSTEM

The audio system consists of the following components

• Audio unit

• Rod antenna

• Front door speakers

• Front tweeters

• Rear door speakers

When the audio system is on, radio signals are received by the rod antenna. The audio unit then sends audio

signals to the front door speakers, front tweeters and rear door speakers.

Refer to Owner's Manual for audio system operating instructions.

AWNIA0788GB

AV-62

< SYSTEM DESCRIPTION >

[BASE AUDIO (FOR MEXICO)]

AUDIO SYSTEM

Component Parts Location

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Component Description

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1.

Front tweeter LH M109 

2.

Audio unit M11,M12

3.

Front tweeter RH M111 

4.

Front door speaker LH D12
Front door speaker RH D112

5.

Rear door speaker LH D207 
Rear door speaker RH D307 

6.

Rod antenna

Part name

Description

Audio unit

Controls audio system functions

Front door speakers

• Outputs audio signal from audio unit
• Outputs high, mid and low range sounds

Front tweeters

• Outputs audio signal from audio unit
• Outputs high range sounds

Rear door speakers

• Outputs audio signal from audio unit
• Outputs high, mid and low range sounds

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-63

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO (FOR MEXICO)]

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DTC/CIRCUIT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

AUDIO UNIT
AUDIO UNIT : Diagnosis Procedure

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Regarding Wiring Diagram information, refer to 

AV-72, "Wiring Diagram"

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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 M12.

3. Check voltage between audio unit connector M12 and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair or replace harness or connectors.

Terminal No.

Signal name

Fuse No.

7

ACC power supply

4 (10A)

19

Battery power supply

29 (20A)

Audio unit

Ground

Condition

Voltage

(Approx.)

Connector

Terminal

M12

7

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Ignition switch: ON

Battery voltage

19

Ignition switch: OFF