Nissan Quest E52. Instruction — part 173
AV
U1244 GPS ANTENNA
AV-571
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
U1244 GPS ANTENNA
DTC Logic
INFOID:0000000009652358
Diagnosis Procedure
INFOID:0000000009652359
1.
GPS ANTENNA CHECK
Visually check GPS antenna and antenna feeder.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair malfunctioning parts.
2.
CHECK AV CONTROL UNIT VOLTAGE
1.
Disconnect GPS antenna connector.
2.
Turn ignition switch ON.
3.
Check voltage between AV control unit and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace AV control unit. Refer to
AV-610, "Removal and Installation"
.
DTC
Display contents of
CONSULT
DTC detection condition
Possible malfunction factor
U1244
GPS ANTENNA CONN
[U1244]
GPS antenna connection malfunction is detected.
Check the connection of the GPS an-
tenna connector.
Probe
Standard
Voltage
(Approx.)
(+)
(
−
)
AV control unit
Terminal
Terminal
153
20
4.5 - 5.25 V
5.0 V
AV-572
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
U1258 SATELLITE RADIO ANTENNA
U1258 SATELLITE RADIO ANTENNA
DTC Logic
INFOID:0000000009652360
Diagnosis Procedure
INFOID:0000000009652361
1.
SATELLITE RADIO ANTENNA CHECK
Visually check satellite radio antenna and antenna feeder.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair malfunctioning parts.
2.
CHECK AV CONTROL UNIT VOLTAGE
1.
Disconnect satellite radio antenna connector.
2.
Turn ignition switch ON.
3.
Check voltage between AV control unit and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace AV control unit. Refer to
AV-610, "Removal and Installation"
.
DTC
Display contents of
CONSULT
DTC Detection Condition
Possible causes
U1258
XM ANTENNA CONN
[U1258]
Satellite radio antenna connection malfunction is detect-
ed.
Satellite radio antenna disconnection.
Probe
Standard
Voltage
(Approx.)
(+)
(
−
)
(
−
)
AV control unit
Terminal
Terminal
159
20
Ground
−
5.0 V
AV
U1263 USB
AV-573
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
U1263 USB
DTC Logic
INFOID:0000000009652362
Diagnosis Procedure
INFOID:0000000009652363
1.
CHECK USB HARNESS
Visually check USB harness.
Is the inspection result normal?
YES
>> Replace AV control unit. Refer to
AV-610, "Removal and Installation"
.
NO
>> Replace USB harness.
DTC
Display contents of
CONSULT
DTC detection condition
Possible malfunction factor
U1263
USB OVERCURRENT
[U1263]
Detection of overcurrent in USB connector.
Check USB harness between the AV
control unit and USB connector.
AV-574
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
U1264 ANTENNA AMP.
U1264 ANTENNA AMP.
DTC Logic
INFOID:0000000009652364
Diagnosis Procedure
INFOID:0000000009652365
1.
CHECK CONTINUITY BETWEEN AV CONTROL UNIT AND ANTENNA AMP.
1.
Turn ignition switch OFF.
2.
Disconnect AV control unit connector and antenna amp. connector.
3.
Check continuity between AV control unit harness connector and antenna amp. harness connector.
4.
Check continuity between AV control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK VOLTAGE AV CONTROL UNIT
1.
Connect AV control unit connector.
2.
Turn ignition switch ON.
3.
Check voltage between AV control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace antenna amp. Refer to
AV-627, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-610, "Removal and Installation"
.
DTC
Display contents of
CONSULT
DTC detection condition
Possible malfunction factor
U1264
ANTENNA AMP TER-
MINAL
[U1264]
Radio antenna amp. ON circuit is open or shorted.
Check antenna amp. ON signal circuit
between the AV control unit and radio
antenna amp.
AV control unit
Antenna amp.
Continuity
Connector
Terminals
Connector
Terminals
M351
150
M363
1
Existed
AV control unit
Ground
Continuity
Connector
Terminals
M351
150
Not existed
Probe
Standard
Voltage
(Approx.)
(+)
(–)
AV control unit
Connector
Terminal
Connector
Terminal
M351
150
M178
20
9.0 V - 16.0 V
12.0 V
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