Nissan Titan A60. Instruction — part 70
AV
DIAGNOSIS SYSTEM (AUDIO UNIT)
AV-105
< SYSTEM DESCRIPTION >
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DIAGNOSIS SYSTEM (AUDIO UNIT)
AV SWITCH
AV SWITCH : Component Function Check
INFOID:0000000006166497
STARTING THE SELF-DIAGNOSIS MODE
1. Turn ignition switch from OFF to ACC.
2. Press and hold the “SCAN” switch and turn the volume control dial clockwise or counterclockwise for 30
clicks or more.
Then the self-diagnosis operates. A single beep indicates self-diagnosis mode is active.
3. Initially, all display segments will be illuminated.
4. Press each switch. When each switch is pressed, its name and communication code will be displayed
NOTE:
CD player LOAD and EJECT buttons are not included in this test and will not change the display when
pressed.
DIAGNOSIS FUNCTION
• It can check for continuity of the switches by sounding the beep when each AV switch and steering switch is
pressed.
• It can check for continuity of harness between AV switch and steering switch.
EXITING THE SELF-DIAGNOSIS MODE
Turn ignition switch OFF. Then the self-diagnosis ends.
WKIA4645E
AV-106
< SYSTEM DESCRIPTION >
[PREMIUM WITHOUT NAVIGATION]
DIAGNOSIS SYSTEM (BLUETOOTH CONTROL UNIT)
DIAGNOSIS SYSTEM (BLUETOOTH CONTROL UNIT)
Diagnosis Description
INFOID:0000000006166498
The Bluetooth control unit has two diagnostic checks. The first diagnostic check is performed automatically
every ignition cycle during control unit initialization. The second diagnostic check is performed by the techni-
cian using the steering wheel audio control switches prior to trouble diagnosis.
BLUETOOTH CONTROL UNIT INITIALIZATION CHECKS
• Internal control unit failure
• Bluetooth antenna connection open or shorted
• Steering wheel audio control switches [SEND(
)/END( )] stuck closed
• Vehicle speed pulse count
• Microphone connection test (with playback to operator)
• Bluetooth inquiry check
OPERATION PROCEDURE
1. Turn ignition switch to ACC or ON.
2. Wait for the Bluetooth system to complete initialization. This may take up to 10 seconds.
3. Press and hold the steering wheel audio control switch
button for at least 5 seconds. The Bluetooth system will begin to
play a verbal prompt.
4. While the prompt is playing, press and hold the steering wheel
audio control switch button until you hear the “Diagnostics
mode” prompt. The Bluetooth system will sound a 5 second
beep.
5. While the beep is sounding, press and hold the steering wheel
audio control switch button again until you hear prompts.
6. The Bluetooth system has now entered into the diagnostic
mode. Results of the diagnostic checks will be verbalized to the
technician. Refer to
7. After the failure records are reported, an interactive microphone
test will be performed. Follow the voice prompt. If the micro-
phone test fails refer to
.
8. Self-diagnosis mode is complete when the voice prompt says “All diagnostic functions completed”.
Work Flow
INFOID:0000000006166499
ALNIA0448GB
ALNIA0449GB
Failure Message
Action
“Internal failure”
Replace Bluetooth control unit. Refer to
AV-190, "Removal and Installation"
.
“Bluetooth antenna open”
1.
Inspect harness connection.
2.
Replace Bluetooth antenna. Refer to
AV-189, "Removal and Installation"
“Bluetooth antenna shorted”
“Phone/Send for Hands Free System is stuck”
Check steering wheel audio control switches. Refer to
.
“Phone/End for the Hands Free System is stuck”
“Microphone test” (failed interactive test)
1.
Inspect harness between Bluetooth control unit and microphone.
2.
Replace microphone. Refer to
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-107
< DTC/CIRCUIT DIAGNOSIS >
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DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
AUDIO UNIT
AUDIO UNIT : Diagnosis Procedure
INFOID:0000000006166500
Regarding Wiring Diagram information, refer to
AV-151, "Wiring Diagram - Without Navigation System"
1.
CHECK FUSES
Check that the following fuses of the audio unit are not are not blown.
Are the fuses OK?
YES
>> GO TO 2.
NO
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.
POWER SUPPLY CIRCUIT CHECK
1. Disconnect audio unit connector M171.
2. Check voltage between the audio unit connector M171 and
ground.
Are the voltage results as specified?
YES
>> GO TO 3.
NO
>> • Check connector housing for disconnected or loose terminals.
• Repair harness or connector.
3.
GROUND CIRCUIT CHECK
Inspect audio unit case ground.
Does case ground pass inspection?
YES
>> Inspection End.
NO
>> Repair audio unit case ground.
AV SWITCH
AV SWITCH : Diagnosis Procedure
INFOID:0000000006166501
Regarding Wiring Diagram information, refer to
AV-151, "Wiring Diagram - Without Navigation System"
1.
CHECK FUSE
Check that the fuses for the AV switch are not blown.
Unit
Terminals
Signal name
Fuse No.
Audio unit
6
Battery power
31
10
Ignition switch ACC or ON
4
(+)
(-)
OFF
ACC
ON
Connector
Terminal
M171
6
Ground
0V
Battery
voltage
Battery
voltage
10
Ground
Battery
voltage
Battery
voltage
Battery
voltage
ALNIA0695GB
AV-108
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM WITHOUT NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
Are the fuses OK?
YES
>> GO TO 2.
NO
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.
POWER SUPPLY CIRCUIT CHECK
1. Disconnect AV switch connector M98.
2. Check voltage between the AV switch connector M98 and
ground.
Are the voltage results as specified?
YES
>> GO TO 3.
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
3.
GROUND CIRCUIT CHECK
1. Turn ignition switch OFF.
2. Check continuity between AV switch harness connector M98
and ground.
Are the continuity results as specified?
YES
>> Inspection End.
NO
>> Repair harness or ground.
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Diagnosis Procedure
INFOID:0000000006166502
Regarding Wiring Diagram information, refer to
AV-151, "Wiring Diagram - Without Navigation System"
1.
CHECK FUSES
Check that the following fuses of the satellite radio tuner (factory installed) are not blown.
Are the fuses OK?
YES
>> GO TO 2.
NO
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
Unit
Terminal
Signal name
Fuse No.
AV switch
1
Battery
31
2
Ignition switch ACC or ON
4
(+)
(-)
OFF
ACC
ON
Connector
Terminal
M98
1
Ground
Battery
voltage
Battery
voltage
Battery
voltage
2
Ground
0V
Battery
voltage
Battery
voltage
ALNIA0696GB
Connector
Terminal
—
Continuity
M98
5
Ground
Yes
ALNIA0697GB
Unit
Terminals
Signal name
Fuse No.
Satellite radio tuner (factory in-
stalled)
32
Battery power
31
36
Ignition switch ACC or ON
4
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