Nissan Note E12. Manual — part 9
AV-28
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO]
REAR DOOR SPEAKER
REAR DOOR SPEAKER
Diagnosis Procedure
INFOID:0000000009460118
Regarding Wiring Diagram information, refer to
1.
CONNECTOR CHECK
Check the audio unit and speaker connectors for the following:
• Proper connection
• Damage
• Disconnected or loose terminals
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminals or connectors.
2.
CHECK REAR SPEAKER SIGNAL CIRCUIT CONTINUITY
1. Disconnect audio unit connector M43 and suspect rear door speaker connector.
2. Check continuity between audio unit connector M43 and suspect rear door speaker connector.
3. Check continuity between audio unit connector M43 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connectors.
3.
CHECK REAR SPEAKER SIGNAL
1. Connect audio unit connector M43 and suspect rear door speaker connector.
2. Turn ignition switch to ACC.
3. Push audio unit POWER switch.
4. Check signal between the terminals of audio unit connector M43.
Audio unit
Rear door speaker
Continuity
Connector
Terminal
Connector
Terminal
M43
4
D207 (LH)
1
Yes
5
2
13
D307 (RH)
1
14
2
Audio unit
Ground
Continuity
Connector
Terminal
M43
4
—
No
5
13
14
Audio unit connector M43
Condition
Reference value
(+)
(
−)
Terminal
Terminal
AV
REAR DOOR SPEAKER
AV-29
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Is the inspection result normal?
YES
>> Replace rear door speaker. Refer to
AV-35, "Removal and Installation"
.
NO
>> Replace audio unit. Refer to
AV-33, "Removal and Installation"
.
4
5
Audio signal output
13
14
SKIB3609E
AV-30
< SYMPTOM DIAGNOSIS >
[BASE AUDIO]
AUDIO SYSTEM
SYMPTOM DIAGNOSIS
AUDIO SYSTEM
Symptom Table
INFOID:0000000009460123
RELATED TO AUDIO
Symptoms
Check items
Probable malfunction location
The disk cannot be removed.
Audio unit
Malfunction in audio unit.
Refer to
AV-11, "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-
Only a certain speaker (front door speaker
LH, front door speaker 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).
-
(rear door
speaker).
• Malfunction in speaker.
Refer to:
-
AV-34, "Removal and Installation"
(front
door speaker).
-
AV-35, "Removal and Installation"
(rear
door speaker).
• Malfunction in audio unit.
Noise is mixed with audio.
Noise comes out from all speakers.
Malfunction in audio unit.
Refer to
AV-11, "On Board Diagnosis Func-
Noise comes out only from a certain speak-
er (front door speaker LH, front door speak-
er 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:
-
(front door
speaker).
-
(rear door
speaker).
• Malfunction in speaker.
• Poor Installation of speaker (e.g. back-
lash and looseness).
Refer to:
-
AV-34, "Removal and Installation"
(front
door speaker).
-
AV-35, "Removal and Installation"
(rear
door speaker).
• Malfunction in audio unit.
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
AV
AUDIO SYSTEM
AV-31
< SYMPTOM DIAGNOSIS >
[BASE AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
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).
• Antenna amp. ON signal circuit malfunc-
tion.
Refer to
• Poor connector connection of antenna or
antenna feeder.
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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