Nissan Leaf. Instruction — part 46
AV
FRONT DOOR SPEAKER
AV-175
< DTC/CIRCUIT DIAGNOSIS >
[AUDIO W/O NAVI (FOR MEXICO)]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
FRONT DOOR SPEAKER
Diagnosis Procedure
INFOID:0000000010385229
Regarding Wiring Diagram information, refer to
.
1.
CONNECTOR CHECK
Check the AV control 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 AV control unit connector M150 and suspect front door speaker connector.
2. Check continuity between AV control unit connector M150 and suspect front door speaker connector.
3. Check continuity between AV control unit connector M150 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 AV control unit connector M150 and suspect front door speaker connector.
2. Turn power switch to ACC.
3. Push AV control unit POWER switch.
4. Check signal between terminals of AV control unit connector M150.
AV control unit
Front door speaker
Continuity
Connector
Terminal
Connector
Terminal
M150
2
D23 (LH)
1
Yes
3
2
11
D123 (RH)
1
12
2
AV control unit
Ground
Continuity
Connector
Terminal
M150
2
—
No
3
11
12
AV control unit connector M150
Condition
Reference value
(+)
(
−)
Terminal
Terminal
AV-176
< DTC/CIRCUIT DIAGNOSIS >
[AUDIO W/O NAVI (FOR MEXICO)]
FRONT DOOR SPEAKER
Is the inspection result normal?
YES
>> Replace front door speaker. Refer to
AV-194, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-192, "Removal and Installation"
.
2
3
Audio signal output
11
12
SKIB3609E
AV
TWEETER
AV-177
< DTC/CIRCUIT DIAGNOSIS >
[AUDIO W/O NAVI (FOR MEXICO)]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
TWEETER
Diagnosis Procedure
INFOID:0000000010385230
Regarding Wiring Diagram information, refer to
.
1.
CONNECTOR CHECK
Check the AV control 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 TWEETER SIGNAL CIRCUIT CONTINUITY
1. Disconnect AV control unit connector M150 and suspect tweeter connector.
2. Check continuity between AV control unit connector M150 and suspect tweeter connector.
3. Check continuity between AV control unit connector M150 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness or connectors.
3.
CHECK TWEETER SIGNAL
1. Connect AV control unit connector M150 and suspect tweeter connector.
2. Turn power switch to ACC.
3. Push AV control unit POWER switch.
4. Check signal between terminals of AV control unit connector M150.
AV control unit
Tweeter
Continuity
Connector
Terminal
Connector
Terminal
M150
2
M15 (LH)
1
Yes
3
2
11
M525 (RH)
1
12
2
AV control unit
Ground
Continuity
Connector
Terminal
M150
2
—
No
3
11
12
AV control unit connector M150
Condition
Reference value
(+)
(
−)
Terminal
Terminal
AV-178
< DTC/CIRCUIT DIAGNOSIS >
[AUDIO W/O NAVI (FOR MEXICO)]
TWEETER
Is the inspection result normal?
YES
>> Replace tweeter. Refer to
AV-195, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-192, "Removal and Installation"
.
2
3
Audio signal output
11
12
SKIB3609E
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