Nissan Maxima. Instruction — part 190
AV-580
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/BOSE & NAVI]
AUX IMAGE SIGNAL CIRCUIT
AUX IMAGE SIGNAL CIRCUIT
Description
INFOID:0000000009471498
• Transmits the image signal of AUX device from auxiliary input jacks to AV control unit.
• AV control unit transmits the image signal that is input to the display unit.
Diagnosis Procedure
INFOID:0000000009471499
Regarding Wiring Diagram information, refer to
AV-614, "Wiring Diagram - With BOSE audio system With Nav-
1.
CHECK CONTINUITY AUX IMAGE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect auxiliary input jack connector M209 and AV control unit connector M164.
3. Check continuity between auxiliary input jack harness connector M209 (A) terminal 7 and AV control unit
harness connector M164 (B) terminal 76.
4. Check continuity between auxiliary input jack harness connector M209 (A) terminal 8 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK AUX IMAGE SIGNAL
1. Connect auxiliary input jack connector M209 and AV control unit connector M164.
2. Turn ignition switch ON.
3. Check signal between auxiliary input jack connector M209 terminal 7 and ground.
Is the inspection result normal?
YES
>> Replace AV control unit. Refer to
AV-652, "Removal and Installation"
.
NO
>> Check that there is no malfunction in the external device.
A
B
Continuity
Connector
Terminal
Connector
Terminal
M209
7
M164
76
Yes
A
—
Continuity
Connector
Terminal
M209
7
Ground
No
(+)
(-)
Condition
Reference signal
Connector
Terminal
M209
7
Ground
Receive
video sig-
nal
SKIB2251J
AV
DISK EJECT SIGNAL CIRCUIT
AV-581
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/BOSE & NAVI]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
DISK EJECT SIGNAL CIRCUIT
Description
INFOID:0000000009471500
The eject signal is output to AV control unit when the eject switch of A/C and AV switch assembly is pressed.
Diagnosis Procedure
INFOID:0000000009471501
Regarding Wiring Diagram information, refer to
AV-614, "Wiring Diagram - With BOSE audio system With Nav-
1.
CHECK CONTINUITY DISK EJECT SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect A/C and AV switch assembly connector M98 and AV
control unit connector M164.
3. Check continuity between A/C and AV switch assembly connec-
tor M98 (A) terminal 14 and AV control unit harness connector
M164 (B) terminal 82.
4. Check continuity between A/C and AV switch assembly connec-
tor M98 (A) terminal 14 and ground.
Are continuity results as specified?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK AV CONTROL UNIT VOLTAGE
1. Connect A/C and AV switch assembly connector M98 and AV
control unit connector M164.
2. Turn ignition switch ON.
3. Check voltage between AV control unit harness connector M164
terminal 82 and ground.
Are voltage readings as specified?
YES
>> Replace A/C and AV switch assembly. Refer to
AV-654, "Removal and Installation"
.
NO
>> Replace AV control unit. Refer to
AV-652, "Removal and Installation"
.
A
B
Continuity
Connector
Terminal
Connector
Terminal
M98
14
M164
82
Yes
A
—
Continuity
Connector
Terminal
M98
14
Ground
No
ALNIA1226GB
(+)
(-)
Condition
Voltage
(Approx.)
Connector
Terminal
M164
82
Ground
Pressing
the eject
switch
0 V
Except for
above
5.0 V
ALNIA1227GB
AV-582
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/BOSE & NAVI]
MICROPHONE SIGNAL CIRCUIT
MICROPHONE SIGNAL CIRCUIT
Description
INFOID:0000000009471502
Voice signals are transmitted from the microphone to the AV control unit using the microphone signal circuits.
Diagnosis Procedure
INFOID:0000000009471503
Regarding Wiring Diagram information, refer to
AV-614, "Wiring Diagram - With BOSE audio system With Nav-
1.
CHECK HARNESS BETWEEN AV CONTROL UNIT AND MICROPHONE
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector and microphone connec-
tor.
3. Check continuity between AV control unit harness connector
M163 (A) and microphone harness connector R7 (B).
4. Check continuity between AV control unit harness connector
M163 (A) and ground.
Are the continuity test results as specified?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK MICROPHONE POWER SUPPLY
1. Connect AV control unit connector and microphone connector.
2. Turn ignition switch ON.
3. Check voltage between microphone harness connector R7 ter-
minal 4 and ground.
Is voltage reading approx. 5 volts?
YES
>> GO TO 3.
NO
>> Replace AV control unit. Refer to
AV-652, "Removal and Installation"
.
3.
CHECK MICROPHONE SIGNAL
A
B
Continuity
Connector
Terminal
Connector
Terminal
M163
59
R7
1
Yes
43
2
44
4
A
—
Continuity
Connector
Terminal
M163
44
Ground
No
43
59
AWLIA1762ZZ
(+)
(-)
Voltage (approx)
Connector
Terminal
R7
4
Ground
5V
WKIA5796E
AV
MICROPHONE SIGNAL CIRCUIT
AV-583
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/BOSE & NAVI]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Check signal between AV control unit harness connector M163 ter-
minals 43 and 59.
Are voltage readings as specified?
YES
>> Replace AV control unit. Refer to
AV-652, "Removal and Installation"
.
NO
>> Replace microphone. Refer to
AV-672, "Removal and Installation"
.
Connector
(+)
(-)
Reference signal
Terminal
Terminal
M163
59
43
While speaking into MIC
ALNIA1216GB
PKIB5037J
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст