Nissan Frontier. Instruction — part 75
AV-292
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
U1244 GPS ANTENNA
U1244 GPS ANTENNA
DTC Logic
INFOID:0000000009482210
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000009482211
Regarding Wiring Diagram information, refer to
.
1.
GPS ANTENNA INSPECTION
Visually inspect the GPS 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. Disconnect AV control unit connector M99.
2. Turn ignition switch ON.
3. Check voltage between AV control unit connector M99 and ground.
Is inspection result normal?
YES
>> Replace GPS antenna.
NO
>> Replace AV control unit. Refer to
AV-348, "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
Ground
Voltage
Connector
Terminal
M99
50
—
5.0 V
AV
U1258 SATELLITE RADIO ANTENNA
AV-293
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
U1258 SATELLITE RADIO ANTENNA
DTC Logic
INFOID:0000000009482212
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000009482213
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. Disconnect AV control unit connector M100.
2. Turn ignition switch ON.
3. Check voltage between AV control unit connector M100 and ground.
Is inspection result normal?
YES
>> Replace satellite radio antenna. Refer to
AV-360, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-348, "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
Ground
Voltage
Connector
Terminal
M100
58
—
5.0 V
AV-294
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
U1263 USB
U1263 USB
DTC Logic
INFOID:0000000009482214
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM SELF DIAGNOSTIC RESULT
1. If there is a device connected to the USB interface, disconnect it.
2. Turn ignition switch ON and wait for 2 seconds or more.
3. Perform Self Diagnostic Result for MULTI AV.
Is DTC U1263 displayed?
YES
>> Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009482215
1.
CHECK USB INTERFACE HARNESS
Visually inspect USB interface harness. Refer to
AV-362, "Removal and Installation"
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace USB interface harness. Refer to
AV-362, "Removal and Installation"
.
2.
CHECK USB INTERFACE HARNESS
Check USB interface harness. Refer to
.
Is the inspection result normal?
YES
>> Replace AV control unit. Refer to
AV-348, "Removal and Installation"
.
NO
>> Replace USB interface harness. Refer to
AV-362, "Removal and Installation"
.
CONSULT Display
DTC Detection Condition
Possible Cause
USB OVERCURRENT
[U1263]
Overcurrent in USB harness is detected.
• Device connected to USB interface.
• Harness between the AV control unit and USB
interface.
AV
U1265 AUDIO AMP.
AV-295
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
C
D
E
F
G
H
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J
K
L
M
B
A
O
P
U1265 AUDIO AMP.
DTC Logic
INFOID:0000000009482216
Diagnosis Procedure
INFOID:0000000009482217
Regarding Wiring Diagram information, refer to
.
1.
CHECK CONTINUITY BETWEEN AV CONTROL UNIT AND AUDIO AMP.
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M96 and audio amplifier connector B158.
3. Check continuity between AV control unit connector M96 and audio amp. connector B158.
4. Check continuity between AV control unit connector M96 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connectors.
2.
CHECK AV CONTROL UNIT VOLTAGE
1. Connect AV control unit connector M96.
2. Turn ignition switch ON.
3. Check voltage between AV control unit connector M96 and ground.
Is the inspection result normal?
YES
>> Replace audio amplifier. Refer to
AV-349, "Removal and Installation"
.
NO
>> Replace AV control unit. Refer to
AV-348, "Removal and Installation"
.
CONSULT Display
DTC Detection Condition
Possible Cause
AMP ON TERMINAL
[U1265]
Open or short to ground is detected in audio amp.
ON signal circuit.
Open or short to ground in audio amp. ON signal
circuit.
AV control unit
Audio amplifier
Continuity
Connector
Terminal
Connector
Terminal
M96
1
B158
9
Yes
AV control unit
Ground
Continuity
Connector
Terminal
M96
1
—
No
AV control unit
Ground
Voltage
(Approx.)
Connector
Terminal
M96
1
—
Battery voltage
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