Nissan Teana J32. Instruction — part 156
AV
RGB SYNCHRONIZING SIGNAL CIRCUIT (NAVI CONTROL UNIT TO AV CON-
TROL UNIT)
AV-479
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
RGB SYNCHRONIZING SIGNAL CIRCUIT (NAVI CONTROL UNIT TO AV
CONTROL UNIT)
Description
INFOID:0000000003765922
Transmit the RGB synchronizing signal to the AV control unit so as to synchronize the RGB image displayed
with NAVI control unit.
Diagnosis Procedure
INFOID:0000000003765923
1.
CHECK CONTINUITY RGB SYNCHRONIZING SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect NAVI control unit connector and AV control unit connector.
3.
Check continuity between NAVI control unit harness connector and AV control unit harness connector.
4.
Check continuity between NAVI control unit harness connector and ground.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK RGB SYNCHRONIZING SIGNAL
1.
Connect NAVI control unit connector and AV control unit connector.
2.
Turn ignition switch ON.
3.
Check signal between NAVI control unit harness connector terminal and ground using an oscilloscope.
Is inspection result normal?
YES
>> Replace AV control unit.
NO
>> Replace NAVI control unit.
NAVI control unit
AV control unit
Continuity
Connector
Terminal
Connector
Terminal
B255
23
M130
60
Existed
NAVI control unit
Ground
Continuity
Connector
Terminal
B255
23
Not existed
(+)
(
−
)
Condition
Reference value
NAVI control unit
Connector
Terminal
B255
23
Ground
—
SKIB3603E
AV-480
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
AUX IMAGE SIGNAL CIRCUIT
AUX IMAGE SIGNAL CIRCUIT
Description
INFOID:0000000003765924
Transmits the image signal of external device from auxiliary input jacks to AV control unit.
Diagnosis Procedure
INFOID:0000000003765925
1.
CHECK CONTINUITY AUX IMAGE SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect auxiliary input jacks connector and DVD player connector.
3.
Check continuity between auxiliary input jacks harness connector and DVD player harness connector.
4.
Check continuity between auxiliary input jacks harness connector and ground.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK AUX IMAGE SIGNAL
1.
Connect auxiliary input jacks connector and DVD player connector.
2.
Turn ignition switch ON.
3.
Make AUX image signal being input.
4.
Check signal between auxiliary input jacks harness connector using an oscilloscope.
Is inspection result normal?
YES
>> Replace DVD player.
NO
>> Check that there is no malfunction in the external device.
Auxiliary input jacks
DVD player
Continuity
Connector
Terminals
Connector
Terminals
M253
7
M254
8
Existed
8
10
Auxiliary input jacks
Ground
Continuity
Connector
Terminal
M253
7
Not existed
(+)
(
−
)
Condition
Reference value
Auxiliary input jacks
Auxiliary input jacks
Connector
Terminal
Connector
Terminal
M253
7
M253
8
When AUX image is displayed.
SKIB2251J
AV
DISK EJECT SIGNAL CIRCUIT
AV-481
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
DISK EJECT SIGNAL CIRCUIT
Description
INFOID:0000000003765926
The eject signal is output to AV control unit when the eject switch of multifunction switch is pressed.
Diagnosis Procedure
INFOID:0000000003765927
1.
CHECK CONTINUITY DISK EJECT SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect multifunction switch connector and AV control unit connector.
3.
Check continuity between multifunction switch harness connector and AV control unit harness connector.
4.
Check continuity between multifunction switch harness connector and ground.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK AV CONTROL UNIT VOLTAGE
1.
Connect multifunction switch connector and AV control unit connector.
2.
Turn ignition switch ON.
3.
Check voltage between AV control unit harness connector and ground.
Is inspection result normal?
YES
>> Replace preset switch.
NO
>> Replace AV control unit.
Multifunction switch
AV control unit
Continuity
Connector
Terminal
Connector
Terminal
M125
14
M131
103
Existed
Multifunction switch
Ground
Continuity
Connector
Terminal
M125
14
Not existed
(+)
(
−
)
Condition
Reference value
AV control unit
Connector
Terminal
M131
103
Ground
Pressing the eject switch.
0 V
Except for above.
3.3 V
AV-482
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
MICROPHONE SIGNAL CIRCUIT
MICROPHONE SIGNAL CIRCUIT
Description
INFOID:0000000003765928
Supply power from NAVI control unit to microphone. The microphone transmits the sound voice to the NAVI
control unit.
Diagnosis Procedure
INFOID:0000000003765929
1.
CHECK CONTINUITY BETWEEN NAVI CONTROL UNIT AND MICROPHONE CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect NAVI control unit connector and microphone connector.
3.
Check continuity between NAVI control unit harness connector and microphone harness connector.
4.
Check continuity between NAVI control unit harness connector and ground.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK VOLTAGE MICROPHONE VCC
1.
Connect NAVI control unit connector.
2.
Turn ignition switch ON.
3.
Check voltage between NAVI control unit harness connector.
Is inspection result normal?
YES
>> GO TO 3.
NO
>> Replace NAVI control unit.
3.
CHECK MICROPHONE SIGNAL
1.
Turn ignition switch OFF.
2.
Connect microphone connector.
3.
Turn ignition switch ON.
4.
Check signal between NAVI control unit harness connector using an oscilloscope.
NAVI control unit
Microphone
Continuity
Connector
Terminals
Connector
Terminals
B255
39
R20
4
Existed
41
1
42
2
NAVI control unit
Ground
Continuity
Connector
Terminals
B255
39
Not existed
41
(+)
(
−
)
Voltage
(Approx.)
NAVI control unit
NAVI control unit
Connector
Terminals
Connector
Terminals
B255
39
B255
42
5 V
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст