NISSAN LATIO 2009 Service Repair Manual

AV
N
O P
Satellite Radio Tuner (Factory Installed)
Left Channel Audio Signal Circuit Inspection
INFOID:0000000004306971 OK >> GO TO 2.
NG >> Repair harness or connector. OK >> Replace audio unit. Refer to
AV-37, " Removal and
Installation " .
NG >> Replace satellite radio tuner. Refer to AV-37, " Removal
and Installation " .
Satellite Radio Tuner (Factory Installed) Rig ht Channel Audio Signal Circuit Inspection
INFOID:0000000004306972 Terminal
and Reference Value for Sat-
ellite Radio Tuner " .

OK >> GO TO 2.
NG >> Repair harness or connector. OK >> Replace audio unit. Refer to
AV-37, " Removal and
Installation " .
NG >> Replace satellite radio tuner. Refer to AV-37, " Removal
and Installation " .
Steering Switch Check (With Bluetooth) INFOID:0000000004306973Terminal
and Reference Value for Sat-
ellite Radio Tuner " .

AV
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OK or NG OK >> GO TO 3.
NG >> Repair harness. OK >> GO TO 4.
NG >> Repair harness. OK >> GO TO 4.
NG >> Replace spiral cable. Refer to SRS-37, " Removal and
Installation " .Terminals
Continuity
(A) (B)
Connector Terminal Connector Terminal
M43 6
B121 17
Yes
15 19
16 18

Removal and Installation " .
Sound Is Not Heard fr om Front Door Speaker (Base System) INFOID:0000000004306974OK >> GO TO 2.
NG >> • Check connector housings for disconnected or loose terminals. • Repair harness or connector.

AV
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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-37, " Removal and Instal-
lation " or
AV-37, " Removal and Installation " .
NG >> Replace audio unit. Refer to AV-37, " Removal and
Installation " .
Sound Is Not Heard from Rear Door Speaker (Base System) INFOID:0000000004306975OK >> GO TO 2.
NG >> • Check connector housings for disconnected or loose terminals. • Repair harness or connector.

OK >> Replace speaker. Refer to
AV-37, " Removal and Instal-
lation " .
NG >> Replace audio unit. Refer to AV-37, " Removal and
Installation " .
Sound Is Not Heard from Front Door Speake r or Tweeter (Mid Level and Premium Sys-
tem) INFOID:0000000004306976

AUDIO
AV-33
< SERVICE INFORMATION >
C
D E
F
G H
I
J
L
M A
B AV
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O P
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-37, " Removal and
Installation " .
NG >> Replace audio unit. Refer to AV-37, " Removal and
Installation " .
Sound Is Not Heard from Rear Door Sp eaker (Mid Level and Premium System)
INFOID:00000000043069771.
HARNESS CHECK
1. Disconnect audio unit connector and rear door speaker connector. Terminals
Continuity
Audio unit
—
Connector Terminal
M43 2
Ground No
3
11
12 Terminals
Condi-tion Reference
signal
(+) (-)
Con-
nector Termi-
nal Con-
nector Termi-
nal
M51 2
M51 3
Receive
audio
signal
11 12 WKIA5352ESKIA0177E

AV-34< SERVICE INFORMATION >
AUDIO
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-37, " Removal and Instal-
lation " .
NG >> Replace audio unit. Refer to AV-37, " Removal and
Installation " .
Terminals
Continuity
Audio unit Speaker
Connector Terminal Connector Terminal
M43 4
D207 +
Yes
5 -
13 D307 +
14 -
Terminals Continuity
Audio unit
—
Connector Terminal
M43 4
Ground No
5
13
14 WKIA5353E
Terminals
Condi-tion Reference
signal
(+) (-)
Con- nec- tor Termi-
nal Con-
nec- tor Termi-
nal
M43 5
M43 4
Re-
ceive
audio
signal
14 13 WKIA5354ESKIA0177E

AV
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Sound Is Not Heard from Su
bwoofer (Premium System) INFOID:0000000004306978OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of blown fuse before installing new fuse. Refer to PG-3 .
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. OK >> GO TO 4.
NG >> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector. OK >> GO TO 5.
NG >> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector. Unit
Terminal No.
OFF ACC ON
(+)
(-)
Connector Terminal
Subwoof-
er B29 1 Ground Battery
voltage Battery
voltage Battery
voltage

OK >> GO TO 6.
NG >> • Check connector housings for disconnected or loose
terminals.
• Repair harness or connector. OK >> GO TO 7.
NG >> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.