Nissan Frontier. Instruction — part 36
AV-136
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITHOUT AMPLIFIER]
MICROPHONE SIGNAL CIRCUIT
Is the inspection result normal?
YES
>> Replace Bluetooth
®
control unit. Refer to
AV-151, "Removal and Installation"
NO
>> Replace microphone. Refer to
AV-153, "Removal and Installation"
.
Bluetooth
®
control unit connector B141
Condition
Reference signal
(+)
(-)
Terminal
Terminal
7
8
Speak into microphone.
PKIB5037J
AV
USB CONNECTOR
AV-137
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITHOUT AMPLIFIER]
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USB CONNECTOR
Diagnosis Procedure
INFOID:0000000009482118
Regarding Wiring Diagram information, refer to
.
1.
CHECK USB INTERFACE HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect audio unit connector M64 and USB interface connector M214.
3. Check continuity between audio unit connector M64 and USB interface connector M214.
4. Check continuity between audio unit connector M64 and ground.
Is the inspection result normal?
YES
>> Replace the USB interface. Refer to
AV-157, "Removal and Installation"
.
NO
>> Repair or replace harness or connectors.
Audio unit
USB interface
Continuity
Connector
Terminal
Connector
Terminal
M64
53
M214
4
Yes
54
1
55
2
56
3
57
5
Audio unit
—
Continuity
Connector
Terminal
M64
54
Ground
No
57
AV-138
< SYMPTOM DIAGNOSIS >
[DISPLAY AUDIO WITHOUT AMPLIFIER]
AUDIO SYSTEM
SYMPTOM DIAGNOSIS
AUDIO SYSTEM
Symptom Table
INFOID:0000000009482119
RELATED TO AUDIO
Symptoms
Check items
Probable malfunction location
The disk cannot be removed.
Audio unit
Malfunction in audio unit.
Refer to
AV-94, "On Board Diagnosis Func-
No sound comes out or the level of the
sound is low.
No sound from all speakers.
• Speaker circuit shorted to ground.
.
• Audio unit power supply and ground cir-
cuits malfunction.
Refer to
Only a certain speaker (front door speaker
LH, front door speaker RH, front tweeter
LH, front tweeter RH, rear door speaker LH,
rear door speaker RH) does not output
sound.
• Poor connector connection of speaker.
• Sound signal circuit malfunction between
audio unit and speaker.
Refer to:
-
(front
door speaker).
-
(front
tweeter).
-
(rear
door speaker).
• Malfunction in speaker.
Refer to:
-
AV-148, "Removal and Installation"
door speaker).
-
AV-147, "Removal and Installation"
tweeter).
-
AV-149, "Removal and Installation"
(rear
door speaker).
• Malfunction in audio unit.
AV
AUDIO SYSTEM
AV-139
< SYMPTOM DIAGNOSIS >
[DISPLAY AUDIO WITHOUT AMPLIFIER]
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RELATED TO HANDS-FREE PHONE
• Before performing diagnosis, confirm that the cellular phone being used by the customer is compatible with
the vehicle.
• It is possible that a malfunction is occurring due to a version change of the phone even though the phone is
a compatible type. This can be confirmed by changing the cellular phone to another compatible type, and
check that it operates normally. It is important to determine whether the cause of the malfunction is the vehi-
cle or the cellular phone.
Check Compatibility
1. Make sure the customer’s Bluetooth
®
related concern is understood.
2. Verify the customer’s concern.
NOTE:
The customer’s phone may be required, depending upon their concern.
Noise is mixed with audio.
Noise comes out from all speakers.
Malfunction in audio unit.
Refer to
AV-94, "On Board Diagnosis Func-
.
Noise comes out only from a certain speak-
er (front door speaker LH, front door speak-
er RH, front tweeter LH, front tweeter RH,
rear door speaker LH, rear door speaker
RH).
• Poor connector connection of speaker.
• Sound signal circuit malfunction between
audio unit and speaker.
Refer to:
-
door speaker).
-
tweeter).
-
door speaker).
• Malfunction in speaker.
• Poor Installation of speaker (e.g. back-
lash and looseness).
Refer to:
-
AV-148, "Removal and Installation"
(front
door speaker).
-
AV-147, "Removal and Installation"
(front
tweeter).
-
AV-149, "Removal and Installation"
door speaker).
• Malfunction in audio unit.
Refer to
.
Noise is mixed with radio only (when the ve-
hicle hits a bump or while driving over bad
roads)
Poor connector connection of antenna or
antenna feeder.
Refer to
No radio reception or poor reception.
• Other audio sounds are normal.
• Any radio station cannot be received or
poor reception is caused even after mov-
ing to a service area with good reception
(e.g. a place with clear view and no ob-
stacles generating external noises).
• Rod antenna is not fully connected to an-
tenna base.
• Antenna base/rod connection (thread
zone) has foreign material or corrosion
inside.
• Poor connector connection of antenna or
antenna feeder.
Refer to
No satellite radio reception.
Satellite radio antenna malfunction.
• Poor continuity in antenna feeder.
• Poor connector connection of antenna or
antenna feeder.
• Loose satellite radio antenna mounting
nut.
Refer to
.
Buzz/rattle sound from speaker
The majority of buzz/rattle sounds are not
indicative of an issue with the speaker, usu-
ally something nearby the speaker is caus-
ing the buzz/rattle.
Refer to "SQUEAK AND RATTLE TROU-
BLE DIAGNOSIS" in the appropriate interi-
or trim section.
Symptoms
Check items
Probable malfunction location
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