Nissan Cube. Instruction — part 6
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-17
< DTC/CIRCUIT DIAGNOSIS >
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DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
AUDIO UNIT
AUDIO UNIT : Diagnosis Procedure
INFOID:0000000009949543
1.
CHECK FUSE
Check that the following fuses of the audio unit are not blown.
Is inspection result OK?
YES
>> GO TO 2.
NO
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK AUDIO UNIT POWER SUPPLY CIRCUIT
Check voltage between the audio unit and ground.
Is inspection result OK?
YES
>> INSPECTION END
NO
>> Check harness between audio unit and fuse.
iPod ADAPTER
iPod ADAPTER : Diagnosis Procedure
INFOID:0000000009949544
1.
CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Be sure to eliminate the cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between iPod adapter harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Check harness between iPod adapter and fuse.
TEL ADAPTER UNIT
Power source
Fuse No.
Battery
34
Ignition switch ACC or ON
20
Signal name
Connector No.
Terminal No.
Ignition switch position
Voltage
Battery power supply
M46
19
OFF
Battery voltage
ACC power supply
7
ACC
Battery voltage
Power source
Fuse No.
Battery
34
Ignition switch ACC or ON
20
Signal name
Connector No.
Terminal No.
Ignition switch position
Voltage
Battery power supply
M99
5
OFF
Battery voltage
ACC power supply
3
ACC
AV-18
< DTC/CIRCUIT DIAGNOSIS >
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POWER SUPPLY AND GROUND CIRCUIT
TEL ADAPTER UNIT : Diagnosis Procedure
INFOID:0000000009949545
1.
CHECK FUSES
Check that the following fuses of the TEL adapter unit are not blown.
Is inspection result OK?
YES
>> GO TO 2.
NO
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between TEL adapter unit harness connector and ground.
Is inspection result OK?
YES
>> GO TO 3.
NO
>> Check harness between TEL adapter unit and fuse.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect TEL adapter unit connector.
3.
Check continuity between TEL adapter unit harness connector and ground.
Is inspection result OK?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
Power source
Fuse No.
Battery
34
Ignition switch ACC or ON
20
Ignition switch ON or start
2
Signal name
Connector No.
Terminal No.
Ignition switch position
Voltage
Battery power supply
B54
1
OFF
Battery voltage
ACC power supply
2
ACC
Battery voltage
IGN power supply
3
ON
Battery voltage
Signal name
Connector No.
Terminal No.
Ignition switch position
Continuity
Ground
B54
4
OFF
Existed
AV
TELEPHONE ON SIGNAL CIRCUIT
AV-19
< DTC/CIRCUIT DIAGNOSIS >
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TELEPHONE ON SIGNAL CIRCUIT
Description
INFOID:0000000009949546
When telephone is being used, TEL adapter unit transmits telephone ON signal to audio unit.
Diagnosis Procedure
INFOID:0000000009949547
1.
CHECK CONTINUITY TELEPHONE ON SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect TEL adapter unit connector and audio unit connector.
3.
Check continuity between TEL adapter unit harness connector and audio unit harness connector.
4.
Check continuity between TEL adapter unit harness connector and ground.
Is inspection result OK?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK TELEPHONE ON SIGNAL
1.
Connect audio unit connector and TEL adapter unit connector.
2.
Turn ignition switch ON.
3.
Check voltage between audio unit harness connector and ground.
Is inspection result OK?
YES
>> INSPECTION END
NO
>> Replace audio unit. Refer to
.
TEL adapter unit
Audio unit
Continuity
Connector
Terminal
Connector
Terminal
B54
11
M49
54
Existed
TEL adapter unit
Ground
Continuity
Connector
Terminal
B54
11
Not existed
Audio unit
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
M49
54
While using hands-free
phone system.
0 V
While not using hands-free
phone system.
5.0 V
AV-20
< DTC/CIRCUIT DIAGNOSIS >
[AUDIO WITHOUT NAVIGATION]
MICROPHONE SIGNAL CIRCUIT
MICROPHONE SIGNAL CIRCUIT
Description
INFOID:0000000009949548
TEL adapter unit supplies power to microphone. The microphone transmits the sound voice to the TEL
adapter unit.
Diagnosis Procedure
INFOID:0000000009949549
1.
CHECK CONTINUITY BETWEEN TEL ADAPTER UNIT AND MICROPHONE CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect TEL adapter unit connector and microphone connector.
3.
Check continuity between TEL adapter unit harness connector and microphone harness connector.
4.
Check continuity between TEL adapter unit harness connector and ground.
Is inspection result OK?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK MICROPHONE POWER SUPPLY
1.
Connect TEL adapter unit connector.
2.
Turn ignition switch ON.
3.
Check voltage between TEL adapter unit harness connector and ground.
Is inspection result OK?
YES
>> GO TO 3.
NO
>> Replace TEL adapter unit. Refer to
.
3.
CHECK MICROPHONE SIGNAL
1.
Turn ignition switch OFF.
2.
Connect microphone connector.
3.
Turn ignition switch ON.
4.
Check signal between TEL adapter unit harness connector.
TEL adapter unit
Microphone
Continuity
Connector
Terminal
Connector
Terminal
B54
7
R21
1
Existed
8
2
29
4
TEL adapter unit
Ground
Continuity
Connector
Terminal
B54
7
Not existed
29
TEL adapter unit
Ground
Voltage
(Approx.)
Connector
Terminal
B54
29
5.0 V
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