Nissan Quest E52. Instruction — part 122
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-367
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
POWER SUPPLY AND GROUND CIRCUIT
AV CONTROL UNIT
AV CONTROL UNIT : Diagnosis Procedure
INFOID:0000000009652170
1.
CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between AV control unit harness connectors and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check harness between AV control unit and fuse.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect AV control unit connectors.
3.
Check continuity between AV control unit harness connectors and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
FRONT DISPLAY UNIT
FRONT DISPLAY UNIT : Diagnosis Procedure
INFOID:0000000009652171
1.
CHECK POWER SUPPLY CIRCUIT (DISPLAY SIDE)
Check voltage between display unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 2.
Power source
Fuse No.
Battery
35
Ignition switch ACC or ON
19
Signal name
AV control unit
Probe
Condition
Standard
Reference value
Terminal
Connector
(+)
(
−
)
Ignition switch
Battery power supply
M171
19
20
OFF
9.0 - 15.6 V
Battery voltage
ACC power supply
7
ACC
9.0 - 16.0 V
Signal name
Connector
Terminal
Ignition switch position
Continuity
Ground
M171
20
OFF
Existed
Signal name
Front display
unit
Probe
Condition
Standard
Voltage
(Approx.)
Terminal
Connector
(+)
(
−
)
Ignition switch
Inverter VCC
M156
2
13
OFF
8.0 - 9.5 V
8.8 V
Signal VCC
3
14
ACC
AV-368
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
2.
CHECK POWER SUPPLY CIRCUIT (CONTINUITY)
1.
Turn ignition switch OFF.
2.
Disconnect the harness connector between front display unit and AV control unit.
3.
Check continuity between front display unit harness connector and AV control unit harness connector.
4.
Check continuity between front display unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK POWER SUPPLY CIRCUIT (AV CONTROL UNIT SIDE)
1.
Connect the AV control unit harness connector.
2.
Turn ignition switch ACC.
3.
Check voltage between AV control unit harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace AV control unit. Refer to
AV-404, "Removal and Installation"
.
4.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect front display unit connector.
3.
Check continuity between front display unit harness connectors and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
REAR DISPLAY UNIT
REAR DISPLAY UNIT : Diagnosis Procedure
INFOID:0000000009652172
1.
CHECK FUSE
Check for blown fuses.
Front display unit
AV control unit
Continuity
Connector
Terminal
Connector
Terminal
M156
2
M172
48
Existed
3
36
Front display unit
Ground
Continuity
Connector
Terminal
M156
2
Not existed
3
Probe
Standard
Voltage
(Approx.)
(+)
(
−
)
AV control unit
Connector
Terminal
Connector
Terminal
M172
48
M172
49
8.0 - 9.5 V
8.8 V
36
37
Signal name
Connector
Terminal
Ignition switch position
Continuity
Ground
M156
1
OFF
Existed
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-369
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between rear display unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check harness between rear display unit and fuse.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect rear display unit connector.
3.
Check continuity between rear display unit harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
BOSE AMP.
BOSE AMP. : Diagnosis Procedure
INFOID:0000000009652173
1.
CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between BOSE amp. harness connector and ground.
Power source
Fuse No.
Battery
35
Ignition switch ACC or ON
19
Signal name
Rear display unit
Probe
Condition
Standard
Reference value
Terminal
Connector
(+)
(
−
)
Ignition switch
Battery power supply
R36
29
31
32
OFF
9.0 - 16.0 V
Battery voltage
30
ACC power supply
28
ACC
7.6 V - Battery
voltage
Signal name
Connector No.
Terminal No.
Ignition switch position
Continuity
Ground
R36
31
OFF
Existed
32
Power source
Fuse No.
Battery
26
27, 28
AV-370
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check harness between BOSE amp. and fuse.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BOSE amp. connector.
3.
Check continuity between BOSE amp. harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Diagnosis Procedure
INFOID:0000000009652174
1.
CHECK FUSES
Check that the following fuses of the satellite radio tuner are not blown.
Is inspection result OK?
YES
>> GO TO 2.
NO
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between the satellite radio tuner and ground.
Is inspection result OK?
YES
>> GO TO 3.
NO
>> Check harness between satellite radio tuner and fuse.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect satellite radio tuner connector.
3.
Check continuity between satellite radio tuner harness connector and ground.
Signal name
BOSE amp.
Probe
Condition
Standard
Reference value
Terminal
Connector
(+)
(
−
)
Ignition switch
Battery power supply
B251
10
7
12
OFF
9.0 - 16.0 V
Battery voltage
11
Signal name
Connector No.
Terminal No.
Ignition switch position
Continuity
Ground
B251
7
OFF
Existed
12
Power source
Fuse No.
Battery
35
Ignition switch ACC or ON
19
Signal name
Satellite radio
tuner
Probe
Condition
Standard
Reference value
Terminal
Connector
(+)
(
−
)
Ignition switch
Battery power supply
B49
12
15
OFF
10.8 - 15.6 V
Battery voltage
ACC power supply
16
ACC
7.0 - 16.0 V
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст