audio NISSAN TEANA 2008 User Guide

AV-12
< BASIC INSPECTION >[AUDIO SYSTEM]
DIAGNOSIS AND REPAIR WORKFLOW
Is a malfunctioning part detected?
YES >> GO TO 4.
NO >> GO TO 2.
4.REPAIR OR REPLACE THE MALFUNCTIONING PART
1. Repair or replace the malfunctioning part.
2. Reconnect parts or connectors disconnected during Diagnostic Procedure.
>> GO TO 5.
5.FINAL CHECK
Refer to confirmed symptom in step 2, and check that the symptom is not detected.
Has the symptom been repaired?
YES >> INSPECTION END
NO >> GO TO 2.

AV
AUDIO SYSTEM
AV-13
< FUNCTION DIAGNOSIS >[AUDIO SYSTEM]
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FUNCTION DIAGNOSIS
AUDIO SYSTEM
System DiagramINFOID:0000000003765588
System DescriptionINFOID:0000000003765589
AUDIO SYSTEM
The audio system consists of the following components.
 Audio unit
 Antenna amp.
 Glass antenna
 Steering switch
 Front door speakers
 Rear door speakers
 Front squawkers
 Audio display unit
AM/FM Radio Mode
 AM/FM radio tuner is integrated into audio unit.
 When AM/FM radio waves are received by rear window glass antenna, the radio waves are amplified by an
antenna amp. to input them to audio unit. Sound signals are output to each speaker for the audio unit. The
FM sub antenna is installed on the rear window glass and the audio unit is received.
CD Mode
 The audio unit has CD function.
 The audio unit outputs sound signals to each speaker when CD is inserted into the audio unit.
JSNIA1295GB

AV-14
< FUNCTION DIAGNOSIS >[AUDIO SYSTEM]
AUDIO SYSTEM
Component Parts Location
INFOID:0000000003765590
Component DescriptionINFOID:0000000003765591
1. Front squawker RH 2. Front squawker LH 3. Front door speaker LH
4. Rear door speaker LH 5. Antenna amp. 6. Rear door speaker RH
7. Front door speaker RH 8. Steering switch 9. Audio unit
10. Audio display unit
A. Within rear pillar finisher RH
JPNIA1057ZZ
Part name Description
AUDIO UNIT Has radio function and CD playing function.
 Sound signals are output to each speaker.
AUDIO DISPLAY UNIT Display images are controlled by AV communication from audio unit.
FRONT DOOR SPEAKER Outputs sound signals from audio unit.
 Outputs sound (mid and low range).
REAR DOOR SPEAKER Outputs sound signals from audio unit.
 Outputs sound (mid and low range).
FRONT SQUAWKER Outputs sound signals from audio unit.
 Outputs sound (high and mid range).
STEERING SWITCH Steering switch signals (operation signals) are output to audio unit.
ANTENNA AMP. Radio signal received by glass antenna is amplified and transmitted to audio
unit.
 Power (antenna amp. ON signal) is supplied from audio unit.

AV
DIAGNOSIS SYSTEM (AUDIO UNIT)
AV-15
< FUNCTION DIAGNOSIS >[AUDIO SYSTEM]
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DIAGNOSIS SYSTEM (AUDIO UNIT)
Diagnosis DescriptionINFOID:0000000003765592
Self-diagnosis mode can perform the following items.
 Versions display
 Channel check diagnosis
 Key check diagnosis
 AV communication diagnosis
VERSIONS DISPLAY FUNCTION
1. Turn ignition switch ON.
2. Turn the audio unit off.
3. While pressing “1” button, turn volume control dial clockwise or
counterclockwise for 30 clicks or more.
4. Diagnosis default screen of audio display unit is displayed.
NOTE:
Diagnosis default screen = All icons and segments of the audio display unit are turned on.
5. Pressing the AUDIO switch briefly displays the version display mode. Pressing the AUDIO switch briefly
switches to each version display. Pressing and holding the AUDIO switch when displaying each software
version returns to the diagnosis default screen.
Version display item
6. Self-diagnosis mode is canceled when the ignition switch is turned OFF.
CHANNEL CHECK DIAGNOSIS FUNCTION
1. Turn ignition switch ON.
2. Turn the audio unit off.
3. While pressing the “1” button, turn the volume control dial clock-
wise or counterclockwise for 30 clicks or more.
JSNIA1334GB
Mode Description
Ve r s i o n s d i s p l a ySoftware V###### Audio unit software version is displayed.
Hardware V###### Audio unit hardware version is displayed.
Disp HW V###### Display unit hardware version is displayed.
CD Mech V###### Audio unit CD mechanism version is displayed.
EEPROM V###### Audio unit EEPROM version is displayed.
Disp SW V###### Display unit software version is displayed.
JSNIA1334GB

AV-16
< FUNCTION DIAGNOSIS >[AUDIO SYSTEM]
DIAGNOSIS SYSTEM (AUDIO UNIT)
4. The diagnosis default screen of audio display unit is displayed.
NOTE:
Diagnosis default screen = All icons and segments of the audio display unit are turned on.
5. Turning the TUNE/FOLDER dial clockwise displays the channel check mode. Pressing and holding the
AUDIO switch during each channel check or waiting approximately 1 second after finishing all channel
checks returns to the diagnosis default screen.
Channel check item
6. Self-diagnosis mode is canceled when the ignition switch is turned OFF.
KEY CHECK DIAGNOSIS FUNCTION
1. Turn ignition switch ON.
2. Turn the audio unit off.
3. While pressing the “1” button, turn the volume control dial clock-
wise or counterclockwise for 30 clicks or more.
4. The diagnosis default screen of audio display unit is displayed.
NOTE:
Diagnosis default screen = All icons and segments of the audio display unit are turned on.
5. Turning the TUNE/FOLDER dial counterclockwise displays the key check mode, and the pressed switch
name is shown. Pressing and holding the AUDIO switch during the key check returns to the diagnosis
default screen.
Mode Description
Channel checkChannel Check
Front Left
Connection of a speaker can be confirmed by test tone. Channel Check
Rear Left
Channel Check
Rear Right
Channel Check
Front Right
JSNIA1334GB

AV
DIAGNOSIS SYSTEM (AUDIO UNIT)
AV-17
< FUNCTION DIAGNOSIS >[AUDIO SYSTEM]
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Key check item (audio)
Key check item (steering switch)
6. Self-diagnosis mode is canceled when the ignition switch is turned OFF.
AV COMMUNICATION DIAGNOSIS FUNCTION
1. Turn ignition switch ON.
2. Turn the audio unit off.
3. While pressing the “6” button, turn the volume control dial clock-
wise or counterclockwise for 30 clicks or more.
4. Returns to diagnosis default screen and displays “AV DIAGNOSIS”.
Mode Display item Switch name
Key checkEJECT “EJECT” switch
LOAD “LOAD” switch
POWER “ON·OFF” switch
VOLUME up “VOL up” switch
VOLUME down “VOL down” switch
1 Preset button “1” switch
2 Preset button “2” switch
3 Preset button “3” switch
4 Preset button “4” switch
5 Preset button “5” switch
6 Preset button “6” switch
AM·FM “AM·FM” switch
DISC “DISC” switch
AUX “AUX” switch
AUDIO “AUDIO” switch
TUNE/FOLDER up “TUNE/FOLDER up” switch
TUNE/FOLDER down “TUNE/FOLDER up” switch
DISP CLOCK “DISP CLOCK” switch
AUTO.P “AUTO.P”” switch
SCAN/RPT “SCAN RPT” switch
SEEK/TRACK down “SEEK” switch
SEEK/TRACK up “TRACK” switch
Mode Display item Switch name
Key checkSTR SOURCE “SOURCE” switch
STR VOL UP “VOL up” switch
STR VOL DOWN “VOL down” switch
STR UP “SEEK up” switch
STR DOWN “SEEK down” switch
JSNIA1335GB

AV-18
< FUNCTION DIAGNOSIS >[AUDIO SYSTEM]
DIAGNOSIS SYSTEM (AUDIO UNIT)
5. Pressing the AUDIO switch briefly displays the AV communication diagnosis mode. Pressing the AUDIO
switch briefly again switches to each AV communication display.
AV communication diagnosis item
6. Pressing the TRACK switch displays the confirmation screen of “delete error record”. Press the SEEK
switch if returning from RECORD DEL YES? to RECORD DEL NO?
The item is automatically determined approximately 6 seconds after it is displayed. Then the display
returns to AV TROUBLE DEL display item.
7. Self-diagnosis mode is canceled when the ignition switch is turned OFF.
Display item
Description
AV communication item Current Past
TRANSMIT OK / UN OK / 0 –39The communication condition and error counter from the audio unit to
the audio display unit are displayed.
DISP OK / UN OK / 0 –39
The communication condition and error counter from the audio display
unit to the audio unit.
DISP MPDT OK / UN OK / 0 –39
NO HISTORY BTHF — — Not used.
AV TROUBLE DEL — — The error record can be deleted.
Display item Description
RECORD DEL NO? Does not delete error record.
RECORD DEL YES? Deletes error record.

AV
POWER SUPPLY AND GROUND CIRCUIT
AV-19
< COMPONENT DIAGNOSIS >[AUDIO SYSTEM]
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COMPONENT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
AUDIO UNIT
AUDIO UNIT : Diagnosis ProcedureINFOID:0000000003765593
1.CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Be sure to eliminate the cause of malfunction before installing new fuse.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between audio unit harness connectors and ground.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Check harness between audio unit and fuse.
Power source Fuse No.
Battery 31
Ignition switch ACC or ON 19
Signal name Connector No. Terminal No. Ignition switch position Value (Approx.)
Battery power supply
M4619 OFF
Battery voltage
ACC power supply 7 ACC

AV-20
< COMPONENT DIAGNOSIS >[AUDIO SYSTEM]
STEERING SWITCH SIGNAL A CIRCUIT
STEERING SWITCH SIGNAL A CIRCUIT
DescriptionINFOID:0000000003765594
Transmits the steering switch signal to audio unit.
Diagnosis ProcedureINFOID:0000000003765595
1.CHECK STEERING SWITCH SIGNAL A CIRCUIT
1. Disconnect audio unit connector and spiral cable connector.
2. Check continuity between audio unit harness connector and spiral cable harness connector.
3. Check continuity between audio unit harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK SPIRAL CABLE
Check spiral cable.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace spiral cable.
3.CHECK AUDIO UNIT VOLTAGE
1. Connect audio unit connector and spiral cable connector.
2. Turn ignition switch ON.
3. Check voltage between audio unit harness connector terminals.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Replace audio unit.
4.CHECK STEERING SWITCH
1. Turn ignition switch OFF.
2. Check steering switch. Refer to AV-21, "
Component Inspection".
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace steering switch.
Audio unit Spiral cable
Continuity
Connector Terminal Connector Terminal
M46 6 M33 24 Existed
Audio unit
—Continuity
Connector Terminal
M46 6 Ground Not existed
(+) (−)
Vo l ta g e Audio unit
Connector Terminal Connector Terminal
M46 6 M46 15 Approx. 5.0 V

AV
STEERING SWITCH SIGNAL A CIRCUIT
AV-21
< COMPONENT DIAGNOSIS >[AUDIO SYSTEM]
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Component InspectionINFOID:0000000003765596
Measure the resistance between the steering switch connector ter-
minals.
Standard
JSNIA1145GB
Steering switch
ConditionResistance
Ω Con-
nectorTe r m i -
nalsCon-
nectorTe r m i -
nal
M30314
M303 17SEEK DOWN switch
ON315 – 327
SEEK UP switch ON 119 – 123
SOURCE switch ON 0
15VOL UP switch ON 119 – 123
VOL DOWN switch ON 0