Nissan Leaf. Manual — part 119
AV
AMP ON SIGNAL CIRCUIT
AV-467
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITH BOSE]
C
D
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G
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B
A
O
P
AMP ON SIGNAL CIRCUIT
Diagnosis Procedure
INFOID:0000000010122693
Regarding Wiring Diagram information, refer to
.
1.
CHECK CONTINUITY BETWEEN AV CONTROL UNIT AND BOSE SPEAKER AMP.
1. Turn power switch OFF.
2. Disconnect AV control unit connector M100 and Bose speaker amp. connector B20.
3. Check continuity between audio unit connector M100 and Bose speaker amp. connector B20.
4. Check continuity between AV control unit connector M100 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connectors.
2.
CHECK AV CONTROL UNIT VOLTAGE
1. Connect AV control unit connector M100.
2. Turn power switch ON.
3. Check voltage between AV control unit connector M100 and ground.
Is the inspection result normal?
YES
>> Replace Bose speaker amp. Refer to
AV-501, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-488, "Removal and Installation"
.
AV control unit
Bose speaker amp.
Continuity
Connector
Terminal
Connector
Terminal
M100
1
B20
22
Yes
AV control unit
Ground
Continuity
Connector
Terminal
M100
1
—
No
AV control unit
Ground
Voltage
(Approx.)
(+)
(–)
Connector
Terminal
M100
1
—
Battery voltage
AV-468
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITH BOSE]
AUXILIARY INPUT JACK
AUXILIARY INPUT JACK
Diagnosis Procedure
INFOID:0000000010122694
Regarding Wiring Diagram information, refer to
.
1.
CHECK AUXILIARY INPUT JACK HARNESS CONTINUITY
1. Turn power switch OFF.
2. Disconnect audio unit connector M103 and auxiliary input jack connector M52.
3. Check continuity between audio unit connector M103 and auxiliary input jack connector M52.
4. Check continuity between audio unit connector M103 and ground.
Is the inspection result normal?
YES
>> Replace auxiliary input jack. Refer to
AV-498, "Removal and Installation"
.
NO
>> Repair or replace harness or connectors.
Audio unit
Auxiliary input jack
Continuity
Connector
Terminal
Connector
Terminal
M103
35
M52
4
Yes
36
1
55
2
Audio unit
—
Continuity
Connector
Terminal
M103
35
Ground
No
55
AV
MICROPHONE SIGNAL CIRCUIT
AV-469
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITH BOSE]
C
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A
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MICROPHONE SIGNAL CIRCUIT
Diagnosis Procedure
INFOID:0000000010122695
Regarding Wiring Diagram information, refer to
.
1.
CHECK MICROPHONE SIGNAL CIRCUIT CONTINUITY
1. Turn power switch OFF.
2. Disconnect AV control unit connector M103 and microphone connector R3.
3. Check continuity between AV control unit connector M103 and microphone connector R3.
4. Check continuity between AV control unit connector M103 and ground.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connectors.
2.
CHECK MICROPHONE VCC VOLTAGE
1. Connect AV control unit connector M103.
2. Turn power switch ON.
3. Check voltage between terminals of AV control unit connector M103.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace AV control unit. Refer to
AV-488, "Removal and Installation"
.
3.
CHECK MICROPHONE SIGNAL
1. Connect microphone connector.
2. Check signal between terminals of AV control unit connector M103.
AV control unit
Microphone
Continuity
Connector
Terminal
Connector
Terminal
M103
34
R3
4
Yes
53
1
54
2
AV control unit
Ground
Continuity
Connector
Terminal
M103
34
—
No
53
AV control unit connector M103
Voltage
(Approx.)
(+)
(
−)
Terminal
Terminal
34
54
5.0 V
AV-470
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITH BOSE]
MICROPHONE SIGNAL CIRCUIT
Is the inspection result normal?
YES
>> Replace AV control unit. Refer to
AV-488, "Removal and Installation"
.
NO
>> Replace microphone. Refer to
AV-494, "Removal and Installation"
.
AV control unit connector M103
Condition
Reference value
(+)
(
−)
Terminal
Terminal
53
54
Speak into microphone.
PKIB5037J
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