Nissan Frontier D40. Manual - part 28

 

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Nissan Frontier D40. Manual - part 28

 

 

AV-104

< FUNCTION DIAGNOSIS >

[PREMIUM AUDIO (CREW CAB)]

HANDS-FREE PHONE SYSTEM

Component Parts Location

INFOID:0000000005274937

 :FRONT

1.

Front tweeter LH M107

2.

Combination meter M24

3.

Audio unit M46, M48, M65, M66

4.

Aux in jack M85

5.

Front tweeter RH M108

6.

Satellite radio tuner M41, M129

7.

Steering wheel audio control switch-
es

8.

Front door speaker
LH D15
RH D110

9.

Rear tweeter
LH D208
RH D308

AWNIA2025ZZ

AV

HANDS-FREE PHONE SYSTEM

AV-105

< FUNCTION DIAGNOSIS >

[PREMIUM AUDIO (CREW CAB)]

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Component Description

INFOID:0000000005274938

10. Rear door speaker

LH D206
RH D306

11. Audio amp. B158, B159 (view under 

passenger front seat)

12. Bluetooth control unit B141, B142

13. Subwoofer B72 (under driver’s seat)

14. Microphone R8

Part name

Description

Audio unit

• Receives telephone voice signal from Bluetooth control unit
• Sends telephone voice and voice guidance signals to the speakers

Audio amp.

• Receives audio signals from the audio unit
• Outputs amplified audio signals to the speakers.

Front door speaker

Receives telephone voice and voice guidance signals from the audio  amp.

Front tweeter

Steering wheel audio control switches

• Start a voice recognition session
• Answer and end telephone calls
• Adjust the volume level

Microphone

Sends voice signals to Bluetooth control unit

Bluetooth control unit

Controls hands-free phone functions

Bluetooth antenna

Sends telephone voice signal to Bluetooth control unit

AV-106

< FUNCTION DIAGNOSIS >

[PREMIUM AUDIO (CREW CAB)]

DIAGNOSIS SYSTEM (AUDIO UNIT)

DIAGNOSIS SYSTEM (AUDIO UNIT)

Component Function Check

INFOID:0000000005274939

STARTING THE SELF-DIAGNOSIS MODE

1.

Turn ignition switch from OFF to ACC.

2.

Press and hold the “DISP/CLOCK” switch and turn the volume control dial clockwise or counterclockwise
for 30 clicks or more.

Then the self-diagnosis operates. A single beep indicates self-diagnosis mode is active.

3.

Initially, all display segments will be illuminated.

4.

Press each switch. When each switch is pressed, its name and communication code will be displayed
NOTE:
CD player LOAD and EJECT buttons are not included in this test and will not change the display when
pressed.

DIAGNOSIS FUNCTION 

• It can check for continuity of the switches by sounding the beep when each audio unit switch and steering

switch is pressed.

• It can check for continuity of harness between audio unit switch and steering switch.

EXITING THE SELF-DIAGNOSIS MODE

Turn ignition switch OFF. Then the self-diagnosis ends.

WKIA5819E

AV

DIAGNOSIS SYSTEM (BLUETOOTH CONTROL UNIT)

AV-107

< FUNCTION DIAGNOSIS >

[PREMIUM AUDIO (CREW CAB)]

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DIAGNOSIS SYSTEM (BLUETOOTH CONTROL UNIT)

Diagnosis Description

INFOID:0000000005274940

The Bluetooth control unit has two diagnostic checks. The first diagnostic check is performed automatically
every ignition cycle during control unit initialization. The second diagnostic check is performed by the techni-
cian using the steering wheel audio control switches prior to trouble diagnosis.

BLUETOOTH CONTROL UNIT INITIALIZATION CHECKS

• Internal control unit failure
• Bluetooth antenna connection open or shorted
• Steering wheel audio control switches [SEND(

)/END(

)] stuck closed

• Vehicle speed pulse count
• Microphone connection test (with playback to operator)
• Bluetooth inquiry check

OPERATION PROCEDURE

1.

Turn ignition switch to ACC or ON.

2.

Wait for the Bluetooth system to complete initialization. This may take up to 10 seconds.

3.

Press and hold the steering wheel audio control switch 
button for at least 5 seconds. The Bluetooth system will begin to
play a verbal prompt.

4.

While the prompt is playing, press and hold the steering wheel

audio control switch 

 button until you hear the “Diagnostics

mode” prompt. The Bluetooth system will sound a 5 second
beep.

5.

While the beep is sounding, press and hold the steering wheel

audio control switch 

 button again until you hear prompts.

6.

The Bluetooth system has now entered into the diagnostic
mode. Results of the diagnostic checks will be verbalized to the
technician. Refer to 

AV-107, "Work Flow"

.

7.

After the failure records are reported, an interactive microphone
test will be performed. Follow the voice prompt. If the micro-
phone test fails refer to 

AV-107, "Work Flow"

.

8.

Self-diagnosis mode is complete when the voice prompt says “All diagnostic functions completed”.

Work Flow

INFOID:0000000005274941

ALNIA0448GB

ALNIA0449GB

Failure Message

Action

“Internal failure”

Replace Bluetooth control unit. Refer to 

AV-175, "Removal and Installation"

.

“Bluetooth antenna open”

1.

Inspect harness connection.

2.

Replace Bluetooth antenna. Refer to 

AV-175, "Removal and Installation"

.

“Bluetooth antenna shorted”

“Phone/Send for Hands Free System is stuck”

Check steering wheel audio control switches. Refer to 

AV-53, "Diagnosis Proce-

dure"

.

“Phone/End for the Hands Free System is stuck”

“Microphone test” (failed interactive test)

1.

Inspect harness between Bluetooth control unit and microphone.

2.

Replace microphone. Refer to 

AV-177, "Removal and Installation"

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