Nissan Note E12. Instruction — part 8
AV-24
< BASIC INSPECTION >
[BASE 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.
Was the repair confirmed?
YES
>> Inspection End.
NO
>> GO TO 2.
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-25
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO]
C
D
E
F
G
H
I
J
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M
B
A
O
P
DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
AUDIO UNIT
AUDIO UNIT : Diagnosis Procedure
INFOID:0000000009460114
Regarding Wiring Diagram information, refer to
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 M43.
3. Check voltage 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 GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect audio unit connector M101.
3. Check continuity between audio unit connector M101 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
18 (10A)
19
Battery power supply
29 (15A)
Audio unit
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
M43
7
—
Ignition switch: ON
Battery voltage
19
Ignition switch: OFF
Audio unit
Ground
Continuity
Connector
Terminal
M101
21
—
Yes
23
AV-26
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO]
FRONT DOOR SPEAKER
FRONT DOOR SPEAKER
Diagnosis Procedure
INFOID:0000000009460116
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 FRONT DOOR SPEAKER SIGNAL CIRCUIT CONTINUITY
1. Disconnect audio unit connector M43 and suspect front door speaker connector.
2. Check continuity between audio unit connector M43 and suspect front 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 FRONT DOOR SPEAKER SIGNAL
1. Connect audio unit connector M43 and suspect front 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
Front door speaker
Continuity
Connector
Terminal
Connector
Terminal
M43
2
D12 (LH)
1
Yes
3
2
11
D112 (RH)
1
12
2
Audio unit
Ground
Continuity
Connector
Terminal
M43
2
—
No
3
11
12
Audio unit connector M43
Condition
Reference value
(+)
(
−)
Terminal
Terminal
AV
FRONT DOOR SPEAKER
AV-27
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO]
C
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A
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Is the inspection result normal?
YES
>> Replace front door speaker. Refer to
AV-34, "Removal and Installation"
NO
>> Replace audio unit. Refer to
AV-33, "Removal and Installation"
.
2
3
Audio signal output
11
12
SKIB3609E
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