Nissan Maxima. Instruction — part 189
AV-576
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/BOSE & NAVI]
POWER SUPPLY AND GROUND CIRCUIT
3.
CHECK REVERSE POSITION INPUT SIGNAL
1. Connect AV control unit connector.
2. Turn ignition switch ON.
3. Shift transmission into reverse.
4. Check voltage between AV control unit harness connector M163 terminal 53 and ground.
Is voltage reading approximately 12 volts?
YES
>> Replace AV control unit. Refer to
AV-652, "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.
MICROPHONE
MICROPHONE : Diagnosis Procedure
INFOID:0000000009471493
Regarding Wiring Diagram information, refer to
AV-614, "Wiring Diagram - With BOSE audio system With Nav-
1.
CHECK POWER SUPPLY CIRCUIT
Check voltage between microphone harness connector R7 terminal
4 and ground.
Is approximately 5V present?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT (CONTINUITY)
(+)
(-)
Transmission position
Value (Approx.)
Connector
Terminal
M163
53
Ground
Reverse
12V
Connector
Terminal
—
Continuity
T101
2
Ground
Yes
AWNIA1725ZZ
(+)
(-)
Value (Approx.)
Connector
Terminal
R7
4
Ground
5V
WKIA5796E
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-577
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/BOSE & NAVI]
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1. Turn ignition switch OFF.
2. Disconnect microphone and AV control unit harness connectors.
3. Check continuity between microphone harness connector R7
(A) terminal 4 and AV control unit harness connector M163 (B)
terminal 44.
4. Check continuity between microphone harness connector R7
(A) terminal 4 and ground.
Are the continuity test results as specified?
YES
>> Replace the AV control unit. Refer to
AV-652, "Removal and Installation"
.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect microphone harness connector R7 and AV control
unit harness connector M163.
3. Check continuity between microphone harness connector R7
(A) terminal 2 and AV control unit harness connector M163 (B)
terminal 43.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair harness or connector.
A
B
Continuity
Connector
Terminal
Connector
Terminal
R7
4
M163
44
Yes
A
—
Continuity
Connector
Terminal
R7
4
Ground
No
ALNIA1219GB
A
B
Continuity
Connector
Terminal
Connector
Terminal
R7
2
M163
43
Yes
AWNIA1933ZZ
AV-578
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/BOSE & NAVI]
RGB DIGITAL IMAGE SIGNAL CIRCUIT
RGB DIGITAL IMAGE SIGNAL CIRCUIT
Description
INFOID:0000000009471494
Transmit the image displayed with AV control unit with RGB digital image signal to the display unit.
Diagnosis Procedure
INFOID:0000000009471495
Regarding Wiring Diagram information, refer to
AV-652, "Removal and Installation"
1.
CHECK CONTINUITY RGB DIGITAL IMAGE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector M151 and AV control unit con-
nector M161.
3. Check continuity between display unit harness connector M151
(A) terminals 27, 28 and AV control unit harness connector
M161 (B) terminals 23 and 24.
4. Check continuity between display unit harness connector M151 (A) terminals 27, 28 and ground.
Are continuity results as specified?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK RGB DIGITAL IMAGE SIGNAL
1. Connect display unit connector M151 and AV control unit con-
nector M161.
2. Turn ignition switch ON.
3. Check voltage between display unit harness connector M151
terminals 27, 28 and ground.
Are voltage readings as specified?
YES
>> Replace display unit. Refer to
AV-655, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-652, "Removal and Installation"
.
A
B
Continuity
Connector
Terminal
Connector
Terminal
M151
27
M161
23
Yes
28
24
A
—
Continuity
Connector
Terminal
M151
27
Ground
No
28
ALNIA1222GB
(+)
(-)
Condition
Voltage
(Approx.)l
Connector
Terminal
M151
27
Ground
Not con-
nected
connector
1.3 V
28
ALNIA1223GB
AV
COMPOSITE IMAGE SIGNAL CIRCUIT
AV-579
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/BOSE & NAVI]
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B
A
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COMPOSITE IMAGE SIGNAL CIRCUIT
Description
INFOID:0000000009471496
AV control unit transmits the playback DVD image signal and AUX image signal to the display unit.
Diagnosis Procedure
INFOID:0000000009471497
Regarding Wiring Diagram information, refer to
AV-614, "Wiring Diagram - With BOSE audio system With Nav-
1.
CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M163 and display unit con-
nector M142.
3. Check continuity between AV control unit connector M163 (A)
terminal 40 and display unit connector M142 (B) terminal 18.
4. Check continuity between AV control unit connector M163 (A)
terminal 40 and ground.
Are continuity results as specified?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK AUX COMPOSITE SIGNAL
1. Connect AV control unit connector M163 and display unit con-
nector M142.
2. Turn ignition switch ON.
3. Check signal between AV control unit harness connector M163
terminal 40 and ground.
Are voltage readings as specified?
YES
>> Replace display unit. Refer to
AV-655, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-652, "Removal and Installation"
.
A
B
Continuity
Connector
Terminal
Connector
Terminal
M163
40
M142
18
Yes
A
—
Continuity
Connector
Terminal
M163
40
Ground
No
ALNIA1224GB
(+)
(-)
Condition
Reference signal
Connector
Terminal
M163
40
Ground
At DVD
image is
displayed
ALNIA1225GB
SKIB2251J
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