Nissan Leaf. Manual — part 75
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-291
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITHOUT BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
POWER SUPPLY AND GROUND CIRCUIT
AV CONTROL UNIT
AV CONTROL UNIT : Diagnosis Procedure
INFOID:0000000010122563
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSE
Check if the following fuses are blown.
Is the check result normal?
YES
>> GO TO 2.
NO
>> Replace the blown fuse after repairing the affected circuit.
2.
CHECK BATTERY VOLTAGE
Check the voltage between AV control unit harness connector and ground.
Is the check result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness and connectors.
Power supply
Fuse No.
BAT
34
Power switch ACC
19
Signal
AV control unit
Probe
Test condition
Standard
Reference value
Terminal
Connector
(+)
(-)
Power switch
BAT
M95
19
Ground
OFF
9 – 16 V
Battery voltage
ACC
7
ACC
4.5 – 16 V
AV-292
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITHOUT BOSE]
FRONT DOOR SPEAKER
FRONT DOOR SPEAKER
Diagnosis Procedure
INFOID:0000000010122564
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 M95 and suspect front door speaker connector.
2. Check continuity between AV control unit connector M95 and suspect front door speaker connector.
3. Check continuity between AV control unit connector M95 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 M95 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 M95.
AV control unit
Front door speaker
Continuity
Connector
Terminal
Connector
Terminal
M95
2
D23 (LH)
1
Yes
3
2
11
D123 (RH)
1
12
2
AV control unit
Ground
Continuity
Connector
Terminal
M95
2
—
No
3
11
12
AV control unit connector M95
Condition
Reference value
(+)
(
−)
Terminal
Terminal
AV
FRONT DOOR SPEAKER
AV-293
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITHOUT BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Is the inspection result normal?
YES
>> Replace front door speaker. Refer to
AV-320, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-318, "Removal and Installation"
.
2
3
Audio signal output
11
12
SKIB3609E
AV-294
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITHOUT BOSE]
TWEETER
TWEETER
Diagnosis Procedure
INFOID:0000000010122565
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 M95 and suspect tweeter connector.
2. Check continuity between AV control unit connector M95 and suspect tweeter connector.
3. Check continuity between AV control unit connector M95 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 M95 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 M95.
AV control unit
Tweeter
Continuity
Connector
Terminal
Connector
Terminal
M95
2
M15 (LH)
1
Yes
3
2
11
M525 (RH)
1
12
2
AV control unit
Ground
Continuity
Connector
Terminal
M95
2
—
No
3
11
12
AV control unit connector M95
Condition
Reference value
(+)
(
−)
Terminal
Terminal
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