Nissan Maxima. Manual — part 104
AV-236
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/O BOSE]
POWER SUPPLY AND GROUND CIRCUIT
2. Turn ignition switch ON.
3. Shift transmission into reverse.
4. Check voltage between AV control unit harness connector M119 terminal 105 and ground.
Is voltage reading approximately 12 volts?
YES
>> Replace AV control unit. Refer to
AV-311, "Removal and Installation"
NO
>> Check harness for open or short between AV control unit and back-up lamp relay.
4.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear view camera harness connector.
3. Check continuity between rear view camera harness connector
T101 terminal 2 and ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair harness or connector.
BLUETOOTH® CONTROL UNIT
BLUETOOTH® CONTROL UNIT : Diagnosis Procedure
INFOID:0000000010064879
Regarding Wiring Diagram information, refer to
AV-282, "Wiring Diagram - Without BOSE Audio System With-
1.
CHECK FUSE
Check that the following fuses of the Bluetooth
®
control unit are not blown.
Is inspection result OK?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between Bluetooth
®
control unit harness connector
B131 and ground.
Is battery voltage present as specified?
(+)
(-)
Transmission
position
Value (Approx.)
Connector
Terminal
M119
105
Ground
Reverse
12V
Connector
Terminal
—
Continuity
T101
2
Ground
Yes
AWNIA1725ZZ
Power source
Fuse No.
Battery
24
Ignition switch ACC or ON
17
Ignition switch ON or START
3
(+)
(-)
Ignition switch
position
Value (Approx.)
Connector
Terminal
B131
1
Ground
OFF
Battery voltage
2
ACC
3
ON
ALNIA0323GB
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-237
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/O BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
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.
3. Check continuity between Bluetooth
®
control unit harness connector B131 and ground.
Are continuity results as specified?
YES
>> Inspection End.
NO
>> Repair harness or connector.
MICROPHONE
MICROPHONE : Diagnosis Procedure
INFOID:0000000010064880
Regarding Wiring Diagram information, refer to
AV-282, "Wiring Diagram - Without BOSE Audio System With-
1.
CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE)
1. Turn ignition switch ON.
2. Check voltage between microphone harness connector R7 ter-
minal 4 and ground.
Is approximately 5V present?
YES
>> GO TO 4.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT (CONTINUITY)
1. Turn ignition switch OFF.
2. Disconnect microphone and Bluetooth
®
control unit harness
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.
Connector.
Terminal
—
Continuity
B131
4
Ground
Yes
20
21
24
(+)
(-)
Value (Approx.)
Connector
Terminal
R7
4
Ground
5V
WKIA5796E
A
B
Continuity
Connector
Terminal
Connector
Terminal
R7
4
B131
29
Yes
ALNIA0320GB
AV-238
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/O BOSE]
POWER SUPPLY AND GROUND CIRCUIT
Are the continuity test results as specified?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK POWER SUPPLY CIRCUIT (BLUETOOTH
®
CONTROL UNIT SIDE)
1. Connect Bluetooth
®
control unit harness connector.
2. Turn ignition switch to ACC.
3. Check voltage between Bluetooth
®
control unit harness connec-
tor B131 terminal 29 and ground.
Is approximately 5V present?
YES
>> Go to 4.
NO
>> Replace Bluetooth
®
control unit. Refer to
.
4.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect microphone harness connector R7 and Bluetooth
®
control unit harness connector B131.
3. Check continuity between microphone harness connector R7
(A) terminal 2 and Bluetooth
®
control unit harness connector
B131 (B) terminal 8.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair harness or connector.
A
—
Continuity
Connector
Terminal
R7
4
Ground
No
(+)
(-)
Value (Approx.)
Connector
Terminal
B131
29
Ground
5V
ALNIA0321GB
A
B
Continuity
Connector
Terminal
Connector
Terminal
R7
2
B131
8
Yes
ALNIA0322GB
AV
RGB (R: RED) SIGNAL CIRCUIT
AV-239
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/O BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
RGB (R: RED) SIGNAL CIRCUIT
Description
INFOID:0000000010064881
Transmit the image displayed with AV control unit with RGB signal to the display unit.
Diagnosis Procedure
INFOID:0000000010064882
Regarding Wiring Diagram information, refer to
AV-282, "Wiring Diagram - Without BOSE Audio System With-
1.
CHECK CONTINUITY RGB (R: RED) SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector M141 and AV control unit con-
nector M117.
3. Check continuity between display unit harness connector M141
(A) terminal 17 and AV control unit harness connector M117 (B)
terminal 40.
4. Check continuity between display unit harness connector M141
(A) terminal 17 and ground.
Are the continuity results as specified?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK RGB (R: RED) SIGNAL
1. Connect display unit connector M141 and AV control unit con-
nector M117.
2. Turn ignition switch ON.
3. Check signal between display unit harness connector M141 ter-
minal 17 and ground.
Are the voltage readings as specified?
YES
>> Replace display unit. Refer to
AV-314, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-311, "Removal and Installation"
A
B
Continuity
Connector
Terminal
Connector
Terminal
M141
17
M117
40
Yes
A
—
Continuity
Connector
Terminal
M141
17
Ground
No
ALNIA0382GB
(+)
(-)
Condition
Reference signal
Connector
Terminal
M141
17
Ground
Receive
audio sig-
nal
ALNIA0383GB
SKIB2238J
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