Nissan Sentra. Manual — part 66
AV-256
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITHOUT BOSE]
U1229 AV CONTROL UNIT
U1229 AV CONTROL UNIT
DTC Logic
INFOID:0000000009758953
DTC DETECTION LOGIC
CONSULT Display
DTC Detection Condition
Possible Cause
iPod CERTIFICATION
[U1229]
iPod authentication chip error.
Replace AV control unit if malfunction occurs
constantly.
Refer to
AV
U122F AV CONTROL UNIT
AV-257
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITHOUT BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
U122F AV CONTROL UNIT
DTC Logic
INFOID:0000000009758954
DTC DETECTION LOGIC
CONSULT Display
DTC Detection Condition
Possible Cause
Digital broadcasting connection
error
[U122F]
Communication error with digital audio broadcast
module internal to AV control unit.
Replace AV control unit if malfunction occurs
constantly.
Refer to
AV-298, "Removal and Installation"
.
AV-258
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITHOUT BOSE]
U1244 GPS ANTENNA
U1244 GPS ANTENNA
DTC Logic
INFOID:0000000009758955
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000009758956
Regarding Wiring Diagram information, refer to
.
1.
GPS ANTENNA INSPECTION
Visually inspect the GPS antenna and antenna feeder. Refer to
AV-310, "Removal and Installation"
.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace malfunctioning components.
2.
CHECK AV CONTROL UNIT VOLTAGE
1. Disconnect AV control unit connector M115.
2. Turn ignition switch ON.
3. Check voltage between AV control unit terminal 50 and ground.
Is inspection result normal?
YES
>> Replace GPS antenna. Refer to
AV-310, "Removal and Installation"
.
NO
>> Replace AV control unit. Refer to
AV-298, "Removal and Installation"
.
CONSULT Display
DTC Detection Condition
Possible Cause
GPS ANTENNA CONN
[U1244]
Open or short to ground is detected in GPS an-
tenna connection.
• GPS antenna disconnection.
• Open or short to ground in GPS antenna signal
circuit.
AV control unit terminal
Ground
Voltage
(+)
(
−)
50
—
5.0 V
AV
U1258 SATELLITE RADIO ANTENNA
AV-259
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITHOUT BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
U1258 SATELLITE RADIO ANTENNA
DTC Logic
INFOID:0000000009758957
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000009758958
Regarding Wiring Diagram information, refer to
.
1.
SATELLITE ANTENNA INSPECTION
Visually inspect the satellite antenna and antenna feeder. Refer to
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace malfunctioning components.
2.
CHECK AV CONTROL UNIT VOLTAGE
1. Turn ignition switch ON.
2. Check voltage between AV control unit connector M142 terminal 52 and ground.
Is inspection result normal?
YES
>> Replace satellite radio antenna
AV-309, "Removal and Installation"
.
NO
>> Replace AV control unit. Refer to
AV-298, "Removal and Installation"
.
CONSULT Display
DTC Detection Condition
Possible Cause
XM ANTENNA CONN
[U1258]
Open or short to ground is detected in satellite
antenna connection.
• Satellite antenna disconnection.
• Open or short to ground in satellite antenna
signal circuit.
AV control unit terminal
Ground
Voltage
(+)
(
−)
52
—
5.0 V
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