NISSAN LATIO 2008 Service Repair Manual

AV-32
< SERVICE INFORMATION >
AUDIO
OK or NG
OK >> GO TO 2.
NG >> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
2.FRONT SPEAKER SIGNAL CHECK
1. Connect audio unit connector, front door speaker connector and tweeter connector.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between audio unit connector terminals with
CONSULT-III or oscilloscope.
OK or NG
OK >> Replace front speaker. Refer to AV-36, "Removal and
Installation" .
NG >> Replace audio unit. Refer to AV-36, "
Removal and
Installation" .
Sound Is Not Heard from Rear Door Speaker (Mid Level and Premium System)
INFOID:0000000001704672
1.HARNESS CHECK
1. Disconnect audio unit connector and rear door speaker connector.
Te r m i n a l s
Continuity Audio unit
—
Connector Terminal
M432
Ground No 3
11
12
Te r m i n a l s
Condi-
tionReference
signal (+) (-)
Con-
nectorTe r m i -
nalCon-
nectorTe r m i -
nal
M512
M513
Receive
audio
signal 11 1 2
WKIA5352E
SKIA0177E

AUDIO
AV-33
< SERVICE INFORMATION >
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2. Check continuity between audio unit harness connector terminal
and speaker harness connector terminal.
3. Check continuity between audio unit harness connector terminal
and ground.
OK or NG
OK >> GO TO 2.
NG >> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
2.REAR SPEAKER SIGNAL CHECK
1. Connect audio unit connector and rear door speaker connector.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between audio unit harness connector termi-
nals with CONSULT-III or oscilloscope.
OK or NG
OK >> Replace speaker. Refer to AV-36, "Removal and Instal-
lation" .
NG >> Replace audio unit. Refer to AV-36, "
Removal and
Installation" .
Te r m i n a l s
Continuity Audio unit Speaker
Connector Terminal Connector Terminal
M434
D207+
Ye s 5-
13
D307+
14 -
Te r m i n a l s
Continuity Audio unit
—
Connector Terminal
M434
Ground No 5
13
14
WKIA5353E
Te r m i n a l s
Condi-
tionReference
signal (+) (-)
Con-
nec-
torTe r m i -
nalCon-
nec-
torTe r m i -
nal
M435
M434
Re-
ceive
audio
signal 14 13
WKIA5354E
SKIA0177E

AV-34
< SERVICE INFORMATION >
AUDIO
Sound Is Not Heard from Subwoofer (Premium System)
INFOID:0000000001704673
1.CHECK FUSE
Check that the following fuse is not blown.
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of blown fuse before installing new fuse. Refer to PG-
3 .
2.EQ SETTING CHECK
1. Ensure that subwoofer amp. connector B29 and audio unit harness connectors M43, M44 and M45 are
securely connected.
2. Turn the ignition switch to the ACC position.
3. Press the "AUDIO", "AUX", and "TUNE DOWN" switches simultaneously, the current EQ Setting will be
displayed.
Is "Woofer On" displayed?
YES >> GO TO 3.
NO >> Disconnect all audio unit harness connectors and wait for 2 minutes in order to reset the audio
unit. Reconnect audio unit connectors M44 and M45 first followed by M43 last. Repeat Steps 1
through 3 to confirm that "Woofer On" is now displayed.
3.POWER SUPPLY CIRCUIT CHECK
1. Turn ignition switch OFF.
2. Disconnect subwoofer connector.
3. Check voltage between the subwoofer and ground.
OK or NG
OK >> GO TO 4.
NG >> • Check connector housings for disconnected or loose
terminals.
• Repair harness or connector.
4.GROUND CIRCUIT CHECK
1. Turn ignition switch OFF.
2. Check continuity between subwoofer harness connector B29
terminal 3 and ground.
OK or NG
OK >> GO TO 5.
NG >> • Check connector housings for disconnected or loose
terminals.
• Repair harness or connector.
5.CHECK SUBWOOFER ON SIGNAL
1. Turn ignition switch to ACC.
Unit Terminals Signal name Fuse No.
Subwoofer 1 Battery power 27
UnitTe r m i n a l N o .
OFF ACC ON (+)
(-)
Connector Terminal
Subwoof-
erB29 1 GroundBattery
voltageBattery
voltageBattery
voltage
WKIA5445E
Continuity should exist.
WKIA5446E

AUDIO
AV-35
< SERVICE INFORMATION >
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2. Operate system and check voltage between subwoofer harness
connector B29 terminal 4 and ground.
OK or NG
OK >> GO TO 6.
NG >> • Check connector housings for disconnected or loose
terminals.
• Repair harness or connector.
6.HARNESS CHECK
1. Turn ignition switch OFF.
2. Disconnect audio unit connector and subwoofer connectors.
3. Check continuity between audio unit harness connector terminal
and subwoofer harness connector terminal.
4. Check continuity between audio unit harness connector terminal
and ground.
OK or NG
OK >> GO TO 7.
NG >> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
7.SUBWOOFER SIGNAL CHECK
1. Connect audio unit connector and subwoofer connector.
2. Turn ignition switch to ACC.
3. Check the signal between audio unit harness connector termi-
nals with CONSULT-III or oscilloscope.Voltage : Approx. 11.3V
WKIA5447E
Te r m i n a l s
Continuity Audio unit Subwoofer
Connector Terminal Connector Terminal
M4424
B296
Ye s
26 2
Te r m i n a l s
Continuity Audio unit
—
Connector Terminal
M4424
Ground No
26
WKIA5448E
Te r m i n a l s
Condi-
tionReference
signal (+) (-)
Con-
nec-
torTe r -
minalCon-
nec-
torTe r -
minal
M4426M4424Receive
audio
signal
WKIA5449E
SKIA0177E

AV-36
< SERVICE INFORMATION >
AUDIO
OK or NG
OK >> Replace subwoofer. Refer to AV-36, "Removal and Installation" .
NG >> Replace audio unit. Refer to AV-36, "
Removal and Installation" .
Removal and InstallationINFOID:0000000001704674
AUDIO UNIT
Removal
1. Remove cluster lid C. Refer to IP-10.
2. Remove the audio unit screws (A), disconnect the connectors
and remove the audio unit (1).
3. Remove the audio unit bracket.
Installation
Installation is in the reverse order of removal.
FRONT DOOR SPEAKER
Removal
1. Remove the front door finisher. Refer to EI-32.
2. Remove the front door speaker screws (A), disconnect the con-
nector and remove the front door speaker (1).
Installation
Installation is in the reverse order of removal.
REAR DOOR SPEAKER
Removal
1. Remove the rear door finisher. Refer to EI-32.
2. Remove the rear door finisher screws (A), disconnect the con-
nector and remove the rear door speaker (1).
Installation
SKIB4726E
SKIB4728E
SKIB4729E

AUDIO
AV-37
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Installation is in the reverse order of removal.
TWEETER
Removal
1. Remove the front pillar garnish. Refer to EI-37.
2. Remove the tweeter screw (A), disconnect the connector and
remove the tweeter (1).
Installation
Installation is in the reverse order of removal.
SATELLITE RADIO TUNER
Hatchback
SKIB4730E
LKIA0767E
1. Bracket (upper) 2. Satellite radio tuner 3. Bracket (lower)
A. Screws B. Connector C. Satellite radio tuner bolts
⇒Front

AV-38
< SERVICE INFORMATION >
AUDIO
Sedan
Removal
1. For hatchback, remove the luggage side lower finisher (LH) (hatchback only). Refer to EI-51.
2. For sedan, remove the trunk side finisher (LH). Refer to EI-53, "
Removal and Installation".
3. For hatchback remove the subwoofer. Refer to "SUBWOOFER".
4. Remove the satellite radio tuner bolts.
5. Disconnect the connectors and remove the satellite radio tuner.
6. If necessary, remove the upper bracket (2) and the lower
bracket (1).
Installation
Installation is in the reverse order of removal.
SATELLITE RADIO ANTENNA
Removal
1. Lower the headlining. Refer to EI-45.
LKIA0935E
1. Bracket (upper) 2. Satellite radio tuner 3. Bracket (lower)
A. Satellite radio tuner connector B. Satellite radio tuner feeder harness
connectorC. Satellite radio tuner bolts
⇒Front
LKIA0768E

AUDIO
AV-39
< SERVICE INFORMATION >
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2. Disconnect the satellite radio antenna connectors.
3. Detach the satellite radio antenna feeder harness clips.
4. Remove the satellite radio antenna nut and remove the satellite
radio antenna from the roof.
Installation
Installation is in the reverse order of removal.
STEERING WHEEL AUDIO CONTROL SWITCHES
Removal
1. Remove the steering wheel. Refer to PS-7, "Removal and Installation".
2. Remove the steering wheel finisher cover.
3. Remove the screws and the steering wheel audio control switches.
Installation
Installation is in the reverse order of removal.
SUBWOOFER
LKIA0679E
1. Steering wheel finisher cover 2. Steering wheel 3. Steering wheel audio control switch-
es
A. Screws
LKIA0769E

AV-40
< SERVICE INFORMATION >
AUDIO
Removal
1. Remove the luggage side lower finisher (LH). Refer to EI-51.
2. Remove the subwoofer bolts.
3. Disconnect the connector and remove the subwoofer.
Installation
Installation is in the reverse order of removal.
1. Subwoofer A. Subwoofer bolts B. Connector
LKIA0770E

AUDIO ANTENNA
AV-41
< SERVICE INFORMATION >
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AUDIO ANTENNA
Location of AntennaINFOID:0000000001704675
Removal and Installation of Roof AntennaINFOID:0000000001704676
REMOVAL
1. For hatchback, remove the luggage side upper finisher (LH). Refer to EI-51.
2. For sedan, remove the rear pillar finisher. Refer to EI-49, "
Removal and Installation - Sedan".
3. Remove rear assist grip (LH). Refer to EI-45
.
4. Remove three clips of headlining (rear side). Pull down headlining (rear side) and obtain space for work
between vehicle and headlining.
5. Disconnect the roof antenna harness connectors.
LKIA0934E
1. Roof antenna 2. Roof antenna base 3. Audio unit
A. Audio antenna harness connector B. Harness clips C. Roof antenna harness connectors