Nissan Maxima. Instruction — part 191
AV-584
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/BOSE & NAVI]
AMP ON SIGNAL CIRCUIT
AMP ON SIGNAL CIRCUIT
Description
INFOID:0000000009471504
When the audio system is turned on, a voltage signal is supplied from the AV control unit to the BOSE speaker
amp. When this signal is received, the BOSE speaker amp. will turn on.
Diagnosis Procedure
INFOID:0000000009471505
Regarding Wiring Diagram information, refer to
AV-614, "Wiring Diagram - With BOSE audio system With Nav-
1.
CHECK AMP ON SIGNAL (BOSE SPEAKER AMP)
1. Turn audio system ON.
2. Check voltage between BOSE speaker amp. harness connector
B109 terminal 20 and ground.
Is inspection result normal?
YES
>> Inspection End.
NO
>> GO TO 2.
2.
CHECK AMP ON SIGNAL (AV CONTROL UNIT)
Check voltage between AV control unit harness connector M160 ter-
minal 1 and ground.
Is inspection result normal?
YES
>> Repair harness or connector.
NO
>> Replace AV control unit. Refer to
(+)
(-) Voltage
(Approx.)
Connector
Terminal
B109
20
Ground
Battery voltage
AWNIA1707ZZ
(+)
(-) Voltage
(Approx.)
Connector
Terminal
M160
1
Ground
Battery voltage
ALNIA0148ZZ
AV
FRONT DOOR SPEAKER
AV-585
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/BOSE & NAVI]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
FRONT DOOR SPEAKER
Description
INFOID:0000000009471506
The AV control 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:0000000009471507
Regarding Wiring Diagram information, refer to
AV-614, "Wiring Diagram - With BOSE audio system With Nav-
1.
CONNECTOR CHECK
Check the AV control 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
-
Continuity
Connector
Terminal
B109
18
Ground
No
19
31
32
AWNIA1694ZZ
AV-586
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/BOSE & NAVI]
FRONT DOOR SPEAKER
1. Connect BOSE speaker amp. connector B109 and suspect
speaker connector.
2. Turn ignition switch to ACC.
3. Push POWER switch.
4. Check the signal between BOSE speaker amp. harness connec-
tor B109 terminals with CONSULT or oscilloscope.
Is audio signal voltage as specified?
YES
>> Replace suspect speaker. Refer to
.
NO
>> GO TO 4.
4.
HARNESS CHECK
1. Disconnect AV control unit connector M160 and BOSE speaker
amp. connector B109.
2. Check continuity between AV control unit harness connector
M160 (A) and BOSE speaker amp. harness connector B109 (B).
3. Check continuity between AV control unit harness connector
M160 (A) and ground.
Are continuity test results as specified?
YES
>> GO TO 5.
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
5.
FRONT DOOR SPEAKER SIGNAL CHECK
Connec-
tor
Terminal
Condition
Reference
signal
(+)
(-)
B109
18
19
Receive
audio sig-
nal
31
32
AWNIA1695ZZ
SKIA0177E
A
B
Continuity
Connector
Terminal
Connector
Terminal
M160
2
B109
35
Yes
3
36
11
33
12
34
A
—
Continuity
Connector
Terminal
M160
2
Ground
No
3
11
12
AWNIA1696ZZ
AV
FRONT DOOR SPEAKER
AV-587
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/BOSE & NAVI]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
1. Connect AV control unit connector and BOSE speaker amp.
connector.
2. Turn ignition switch ACC.
3. Push POWER switch.
4. Check the signal between AV control unit harness connector ter-
minals with CONSULT or oscilloscope.
Are the audio signal voltage readings as specified?
YES
>> Replace BOSE speaker amp. Refer to
.
NO
>> Replace AV control unit. Refer to
Connector
Terminals
Condition
Reference
signal
(+)
(-)
M160
2
3
Receive
audio sig-
nal
11
12
ALNIA0171ZZ
SKIA0177E
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст