Nissan Maxima. Manual — part 142
AV-388
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/ BOSE]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
AV CONTROL UNIT
AV CONTROL UNIT : Diagnosis Procedure
INFOID:0000000009471342
Regarding Wiring Diagram information, refer to
AV-449, "Wiring Diagram - With BOSE Audio system Without
1.
CHECK FUSES
Check that the following fuses of the AV control unit are not blown.
Are the fuses OK?
YES
>> GO TO 2.
NO
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.
POWER SUPPLY CIRCUIT CHECK
1. Disconnect AV control unit connectors M152 and M156.
2. Check voltage between the AV control unit connectors M152
and M156 and ground.
Are the voltage results as specified?
YES
>> GO TO 3.
NO
>> • Check connector housings for disconnected or loose
terminals.
• Repair harness or connector.
3.
GROUND CIRCUIT CHECK
Unit
Terminals
Signal name
Fuse No.
AV control unit
19
Battery power
24
7
Ignition switch ACC or ON
17
104
Ignition switch ON or START
3
(+)
(-)
OFF
ACC
ON
Connector
Terminal
M152
7
Ground
0V
Battery
voltage
Battery
voltage
19
Ground
Battery
voltage
Battery
voltage
Battery
voltage
M156
104
Ground
0V
0V
Battery
voltage
AWNIA1581ZZ
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-389
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/ BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
1. Turn ignition switch OFF.
2. Check continuity between AV control unit harness connector
and ground.
Are the inspection results OK?
YES
>> Inspection End.
NO
>> Repair AV control unit ground.
DISPLAY UNIT
DISPLAY UNIT : Diagnosis Procedure
INFOID:0000000009471343
Regarding Wiring Diagram information, refer to
AV-449, "Wiring Diagram - With BOSE Audio system Without
1.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch to ACC.
2. Check voltage between display unit harness connector M141
and ground.
Does specified voltage exist?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect the display unit connector M141 and the AV control
unit connector M154.
3. Check continuity between the display unit harness connector
M141 (A) and the AV control unit connector M154 (B).
4. Check continuity between the display unit harness connector M141 (A) and ground.
Are continuity results as specified?
YES
>> Check AV control unit power and ground supply. Refer to
AV-388, "AV CONTROL UNIT : Diagno-
NO
>> Repair harness or connector.
Connector
Terminal
—
Continuity
M152
20
Ground
Yes
AWNIA1930ZZ
(+)
(-)
Value (Approx.)
Connector
Terminal
M141
2
Ground
9V
3
ALNIA0317GB
A
B
Continuity
Connector
Terminal
Connector
Terminal
M141
2
M154
59
Yes
3
47
A
—
Continuity
Connector
Terminal
M141
2
Ground
No
3
ALNIA0318GB
AV-390
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/ BOSE]
POWER SUPPLY AND GROUND CIRCUIT
3.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector.
3. Check continuity between display unit harness connector and
ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair harness or connector.
A/C AND AV SWITCH ASSEMBLY
A/C AND AV SWITCH ASSEMBLY : Diagnosis Procedure
INFOID:0000000009471344
Regarding Wiring Diagram information, refer to
AV-449, "Wiring Diagram - With BOSE Audio system Without
1.
CHECK FUSE
Check that the fuse of the AC and AV switch assembly is not blown.
Is the fuse OK?
YES
>> GO TO 2.
NO
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.
POWER SUPPLY CIRCUIT CHECK
1. Disconnect A/C and AV switch assembly connector M98.
2. Check voltage between the A/C and AV switch assembly con-
nector M98 and ground.
Are the voltage results as specified?
YES
>> GO TO 3.
NO
>> • Check connector housings for disconnected or loose
terminals.
• Repair harness or connector.
3.
GROUND CIRCUIT CHECK
Connector
Terminal
—
Continuity
M141
1
Ground
Yes
ALNIA0319GB
Unit
Terminal
Signal name
Fuse No.
A/C and AV switch assembly
3
Ignition switch ACC or ON
17
(+)
(-)
OFF
ACC
ON
Connector
Terminal
M98
3
Ground
0V
Battery
voltage
Battery
voltage
AWNIA1718ZZ
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-391
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/ BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
1. Turn ignition switch OFF.
2. Check continuity between A/C and AV switch assembly harness
connector M98 and ground.
Are the continuity results as specified?
YES
>> Inspection End.
NO
>> Repair harness or ground.
BOSE SPEAKER AMP
BOSE SPEAKER AMP : Diagnosis Procedure
INFOID:0000000009471345
Regarding Wiring Diagram information, refer to
AV-449, "Wiring Diagram - With BOSE Audio system Without
1.
CHECK FUSE
Check that the BOSE speaker amp. fuse is 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
1. Turn ignition switch OFF.
2. Disconnect BOSE speaker amp. connector.
3. Check voltage between BOSE speaker amp. harness connector
B110 terminal 10, 11 and ground.
Is battery voltage present?
YES
>> GO TO 3.
NO
>> Check harness between BOSE speaker amp. and fuse.
3.
CHECK GROUND CIRCUIT
Connector
Terminal
—
Continuity
M98
1
Ground
Yes
ALNIA0316GB
Unit
Terminal
Signal name
Fuse No.
BOSE speaker amp.
11
Battery power
26
10
25
(+)
(-)
Voltage (approx.)
Connector
Terminal
B110
10
Ground
Battery voltage
11
AWNIA1719ZZ
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