Nissan Xterra. Instruction — part 43
AV-164
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
U1263 USB
U1263 USB
DTC Logic
INFOID:0000000009485284
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:0000000009485285
1.
CHECK USB INTERFACE HARNESS
Visually inspect USB interface harness. Refer to
AV-232, "Removal and Installation"
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace USB interface harness. Refer to
AV-232, "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-218, "Removal and Installation"
.
NO
>> Replace USB interface harness. Refer to
AV-232, "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-165
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
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U1265 AUDIO AMP.
DTC Logic
INFOID:0000000009485286
Diagnosis Procedure
INFOID:0000000009485287
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-219, "Removal and Installation"
.
NO
>> Replace AV control unit. Refer to
AV-218, "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
AV-166
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
U12AA CONFIGURATION ERROR
U12AA CONFIGURATION ERROR
DTC Logic
INFOID:0000000009485288
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000009485289
1.
PERFORM CONFIGURATION
When U12AA is detected, configuration data must be written.
>> Write configuration data with CONSULT. Refer to
AV-155, "CONFIGURATION (AV CONTROL
CONSULT Display
DTC Detection Condition
Possible Cause
Configuration Error
[U12AA]
AV control unit is not properly configured or con-
figuration is corrupt.
Configuration data needs to be written.
Refer to
AV-155, "CONFIGURATION (AV CON-
.
AV
U12AB ANTENNA
AV-167
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
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U12AB ANTENNA
DTC Logic
INFOID:0000000009485290
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000009485291
1.
ROD ANTENNA INSPECTION
Visually inspect the rod antenna and antenna feeder. Refer to
Is inspection result normal?
YES
>> Replace AV control unit. Refer to
AV-218, "Removal and Installation"
.
NO
>> Repair or replace malfunctioning components.
CONSULT Display
DTC Detection Condition
Possible Cause
FM Antenna error
[U12AB]
Open or short to ground is detected in rod anten-
na connection.
• Rod antenna disconnection.
• Open or short to ground in antenna feeder.
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