Nissan Maxima. Instruction — part 71
AV-104
< DTC/CIRCUIT DIAGNOSIS >
[MONOCHROME DISPLAY - W/ BOSE]
POWER SUPPLY AND GROUND CIRCUIT
2.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BOSE speaker amp connector.
3. Check voltage between BOSE speaker amp harness connector
and ground.
Is battery voltage present?
YES
>> GO TO 3.
NO
>> Check harness between BOSE speaker amp and fuse.
3.
CHECK GROUND CIRCUIT
Check continuity between BOSE speaker amp harness connector
and ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair harness or connector.
BLUETOOTH® CONTROL UNIT
BLUETOOTH® CONTROL UNIT : Diagnosis Procedure
INFOID:0000000009471227
Regarding Wiring Diagram information, refer to
AV-138, "Wiring Diagram - With BOSE Audio System"
.
1.
CHECK FUSE
Check that the following fuses of the Bluetooth
®
control unit are not blown.
Are the fuses OK?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
(+)
(-)
Voltage (approx.)
Connector
Terminal
B110
10
Ground
Battery voltage
11
AWNIA1689ZZ
(+)
(-)
Continuity
Connector
Terminal
B110
7
Ground
Yes
12
AWNIA1690ZZ
Power source
Fuse No.
Battery
24
Ignition switch ACC or ON
17
Ignition switch ON or START
3
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-105
< DTC/CIRCUIT DIAGNOSIS >
[MONOCHROME DISPLAY - W/ BOSE]
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Check voltage between Bluetooth
®
control unit harness connector
and ground.
Are the voltage results as specified?
YES
>> GO TO 3.
NO
>> Check harness between Bluetooth
®
control unit and fuse.
3.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Bluetooth
®
control unit connector B131.
3. Check continuity between Bluetooth
®
control unit harness con-
nector and ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair harness or connector.
MICROPHONE
MICROPHONE : Diagnosis Procedure
INFOID:0000000009471228
Regarding Wiring Diagram information, refer to
AV-138, "Wiring Diagram - With BOSE Audio System"
1.
CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE)
Check voltage between microphone harness connector and ground.
Is proper voltage present?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT (CONTINUITY)
(+)
(-)
Ignition switch
position
Value (Approx.)
Connector
Terminal
B131
1
Ground
OFF
Battery voltage
2
ACC
3
ON
WKIA4389E
(+)
(-)
Continuity
Connector
Terminal
B131
4
Ground
Yes
23
AWNIA1681ZZ
(+)
(-)
Ignition switch po-
sition
Value (Approx.)
Connector
Terminal
R7
4
Ground
ON
5V
WKIA5796E
AV-106
< DTC/CIRCUIT DIAGNOSIS >
[MONOCHROME DISPLAY - W/ BOSE]
POWER SUPPLY AND GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Bluetooth
®
control unit and microphone connectors.
3. Check continuity between microphone harness connector R7
(A) terminal 4 and Bluetooth
®
control unit harness connector
B131 (B) terminal 29.
4. Check continuity between microphone harness connector R7
(A) terminal 4 and ground.
Are continuity results as specified?
YES
>> Replace the Bluetooth
®
AV-177, "Removal and Installation"
.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Bluetooth
®
control unit and microphone connectors.
3. Check continuity between Bluetooth
®
control unit harness con-
nector B131 (A) terminal 8 and microphone harness connector
R7 (B) terminal 2.
Is continuity present?
YES
>> Inspection End.
NO
>> Repair harness or connector.
A
B
Continuity
Connector
Terminal
Connector
Terminal
R7
4
B131
29
Yes
ALNIA0132ZZ
A
—
Continuity
Connector
Terminal
R7
4
Ground
No
A
B
Continuity
Connector
Terminal
Connector
Terminal
B131
8
R7
2
Yes
AWNIA1693ZZ
AV
FRONT DOOR SPEAKER
AV-107
< DTC/CIRCUIT DIAGNOSIS >
[MONOCHROME DISPLAY - W/ BOSE]
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FRONT DOOR SPEAKER
Description
INFOID:0000000009471229
The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio
signals before sending them to the front door speakers using the audio signal circuits.
Diagnosis Procedure
INFOID:0000000009471230
Regarding Wiring Diagram information, refer to
AV-138, "Wiring Diagram - With BOSE Audio System"
1.
CONNECTOR CHECK
Check the audio unit, BOSE speaker amp. 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 terminal and connector.
2.
HARNESS CHECK
1. Disconnect BOSE speaker amp. connector B109 and suspect
speaker connector.
2. Check continuity between BOSE speaker amp. harness connec-
tor B109 (A) and suspect speaker harness connector (B).
3. Check continuity between BOSE speaker amp. harness connec-
tor B109 (A) and ground.
Are continuity test results as specified?
YES
>> GO TO 3.
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
3.
FRONT DOOR SPEAKER SIGNAL CHECK
A B
Continuity
Connector
Terminal
Connector
Terminal
B109
18
D3
1
Yes
19
2
31
D103
1
32
2
A
B
Continuity
Connector
Terminal
B109
18
Ground
No
19
31
32
AWNIA1694ZZ
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