AV-2
PREPARATION .............................................. ...51
Commercial Service Tool .................................... ...51
AUDIO ................................................................52
Component Parts Location .................................. ...52
System Description .................................................53
Schematic ...............................................................54
Wiring Diagram - AUDIO - ......................................55
AV Control Unit Harness Connector Terminal Lay-
out ...........................................................................
60
Terminal and Reference Value for AV Control Unit
...
60
On-Board Diagnosis ...............................................62
Symptom Chart .................................................... ...65
AV Control Unit Power and Ground Supply Circuit
Inspection ............................................................ ...
67
Steering Switch Check ...........................................68
Sound Is Not Heard from Front Door Speaker or
Front Tweeter .........................................................
69
Sound Is Not Heard from Rear Speaker .................71
Removal and Installation ..................................... ...72
NAVIGATION SYSTEM .................................. ...75
How to Proceed with Trouble Diagnosis .............. ...75
TELEPHONE .....................................................76
Component Parts and Harness Connector Loca-
tion ....................................................................... ...
76
System Description .............................................. ...76
Wiring Diagram - H/PHON - ....................................78
Bluetooth Control Unit Harness Connector Termi-
nal Layout ...............................................................
80
Terminal and Reference Value for Bluetooth Con-
trol Unit ....................................................................
80
Bluetooth Control Unit Self-Diagnosis Function ......81
Workflow .................................................................82
Power Supply and Ground Circuit Inspection for
Bluetooth Control Unit .............................................
82
Steering Wheel Audio Control Switch Does Not
Operate ...................................................................
83
Voice Activated Control Function Does Not Oper-
ate ...........................................................................
83
Removal and Installation .........................................85
USB CONNECTOR AND AUX JACK ............ ...89
Removal and Installation .........................................89
AUDIO ANTENNA .......................................... ...90
Location of Antenna ............................................. ...90
Removal and Installation of Roof Antenna ..............90
GPS ANTENNA .................................................92
Location of Antenna ............................................. ...92
Removal and Installation of GPS Antenna ..............92
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AUDIO
AUDIO
Component Parts LocationINFOID:0000000005924393
iPod® is a trademark of Apple inc., registered in the U.S. and other countries.
1. Steering wheel audio control switch-
es 2. Combination meter M24
3. AV control unit M43, M70, M71, M87,
M88, M89
4. USB interface and AUX jack M72, M76 5. Front door speaker LH D12, RH
D112 6. Rear door speaker LH D207, RH
D307
7. Front tweeter LH M46, RH M47 (view with front pillar garnish removed) 8. Bluetooth antenna (hatchback) [view
with luggage side lower finisher (RH)
removed] 9. Bluetooth control unit B121, B122,
B135 (hatchback)
10. Bluetooth antenna (sedan) (view with trunk side finisher RH removed) 11. Bluetooth control unit B121, B122,
B135 (sedan) 12. GPS antenna (view with cluster lid C
removed)
AWNIA2214ZZ
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System DescriptionINFOID:0000000005988543
AUDIO SYSTEM
Refer to Owner's Manual for audio system operating instructions.
Navigation is built into AV control unit.
This navigation has the following functions.
• Full support for playback of music from iPod
® and USB device.
• High resolution full color touch panel 5 “WQVGA” display.
• FM/AM twin digital tuner.
• USB mass storage.
• XM traffic.
• POI Support is included. User POI download.
Power is supplied at all times
• through 20A fuse (No. 27, located in the fuse and fusible link box)
• to AV control unit terminal 19.
With the ignition switch in the ACC or ON position, power is supplied
• through 10A fuse [No. 20, located in the fuse block (J/B)]
• to AV control unit terminal 7.
Ground is supplied to
• to AV control unit terminals 20 and 32
• through grounds M57 and M61.
Then audio signals are supplied
• through AV control unit terminals 2, 3, 4, 5, 11, 12, 13 and 14
• to terminals + and - of front door speaker LH and RH
• to terminals + and - of front tweeter LH and RH and
• to terminals + and - of rear door speaker LH and RH.
STEERING WHEEL AUDIO CONTROL SWITCHES
When one of steering wheel audio control switches is pus hed, the resistance in steering switch circuit changes
depending on which button is pushed.
AWNIA2215GB
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13 (LG) 14 (GR) Audio sound
signal rear
RHOutput ON
Receive audio
signal No sound from
rear speaker RH.
15 (B) — Remote
control
groundInput —
— —Steering wheel au-
dio controls do not
function
16 (P) Ground Remote
control BInput ON Press Phone/
Send switch 0V
Steering wheel au-
dio controls do not
function
Press SEEK
DOWN switch 1.7V
Press VOL
DOWN switch 3.3V
Except for above 5.0V
18 (SB) Ground Vehicle
speed signal
(8-pulse)
Input ON When vehicle
speed is approx.
40 km/h (25
MPH) Ground
19 (BR) Ground Battery pow-
erInput —
—Battery voltage System does not
work properly.
20 (B) Ground Ground — ON —— —
28 (L) Ground Reverse sig-
nal
Input ON R position Battery voltage
Ground
Other than R position 0V
32 (B) Ground Ground — ON —— —
37 — Shield — — —— —
38 (P) — AV c o m m u -
nication sig-
nal 1 (-)Input/
Output ——
——
39 (L) — AV c o m m u -
nication sig-
nal 1 (+)Input/
Output ——
——
40 — Shield — — —— —
43 (LG) 42 (V) TEL voice
audio signalInput ON Start confirma-
tion/adjustment
mode, and then
Vo i c e M i c r o -
phone Test by
selecting “Voice
Microphone
Te s t ” o n H a n d s -
free Microphone
screen. TEL voice audio
signal
45 (B) — USB ground — — —— —
Te r m i n a l
(Wire color) ItemSignal
input/
output Condition
Reference value
(Approx.) Example of symp-
tom
+– Ignition
switch Operation
SKIA0177E
SKIA6649J
SKIB3609E
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AUDIO
On-Board Diagnosis
INFOID:0000000005988546
METHOD OF STARTING
1. Start the engine.
2. Turn OFF audio.
3. While pressing the “SET UP” s witch, turn the MENU dial coun-
terclockwise 3 clicks or more first, then clockwise and counter-
clockwise 3 clicks or more, respectively. (After the diagnosis
mode starts, the initial screen of the diagnosis mode appears.)
• On-board diagnosis can be performed in the service test mode.
• On-board diagnosis checks that the system can be operated normally.
Service test mode
46 (L) — AUX sound
signal LH—— —
——
47 (W) — USB D- — — —— —
48 (GR) — AUX sound
signal RH—— —
——
49 (G) — USB D+ — — —— —
50 (BR) — AUX sound
signal
ground—— —
——
51 (R) — USB V BUS
signal—— —
——
53 (GR) — SHIELD — — —— —
54 — Satellite an-
tenna signal
—— —
——
55 — GPS anten-
na signal—— —
——
56 — SHIELD — — —— —
57 — Antenna on
signal—— —
——
58 — Main anten-
na signal
—— —
——
Te r m i n a l
(Wire color) ItemSignal
input/
output Condition
Reference value
(Approx.) Example of symp-
tom
+– Ignition
switch Operation
JSNIA2456ZZ
Mode
ItemContent
Service version —The version data of the parts is shown
displayed.
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AUDIO
System stateRunning system status
• SD card slot Access
• Power Supply
• Speed Signal
• Direction Signal
• Illumination Signal
• GPS Antenna
• EXT. Phone Sig
• Microphone Current
• Radio Antenna
• USB Device
•iPod
® firmware version
• Steering wheel X11C The current system status is dis-
played.
System history •Bluetooth
® Module - Sub-Unit
Connection Malfunction
• SD-card Slot - Sub-Unit Connec- tion Malfunction
• Programming Error
• Radio-Antenna Circuit Malfunc- tion
• FM-Antenna 1 Connection Mal- function
• Satellite Antenna Connection
Failure
• GPS Antenna Circuit Malfunc- tion
• CD-Drive Mechanical Malfunc- tion
• CD Read Malfunction
• Power Supply voltage: Lower
Limit Exceeded
• Power Supply voltage: Upper
Limit Exceeded
• Reduced system Functionality due to over temperature
• Display switched OFF due to over temperature
• SD card removed without being de-mounted
• Code plug missing The history of the system status is re-
ported in the report memory, dis-
played.
Speaker test 100Hz —This activates a sequence of test tone
outputs to the four speaker lines one
after the other for 1 second.
The frequency can be chosen by user
selection (100Hz and 4KHz).
Speaker test 4KHz
Display test —This provides a test sequence where
test displays (plain colored display:
e.g. white, black, red, blue, green) are
shown one after the other.
The respective color is shown for an
indicated period of time (parameter).
After the display test, the design of the
display previously available is stored.
While the screen shows a plain col-
ored display, a pixel malfunction may
be detected.
Mode
ItemContent
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AUDIO
• The majority of the audio malfunctions are the result of outside causes (Malfunction CD, electromagnetic
interference, etc.). Check the symptoms below to diagnose the malfunction.
• The vehicle itself can be a source of noise if noise prevention parts or electrical equipment is malfunctioning.
Check if noise is caused and/or changed by engine speed, ignition switch turned to each position, and oper-
ation of each piece of electrical equipment, and then determine the cause.
NOTE:
• CD-R is not guaranteed to play because they can contain compressed audio (MP3, WMA) or could be
incorrectly mastered by the customer on a computer.
• Check if the CDs have the Compact Disc logo. If not , the disc is not mastered to the “red book” Compact
Disc standard and may not play.
NOTE:
Noise resulting from variations in field strength, such as fading noise and multi-path noise, or external noise
from trains and other sources, is not a malfunction.
• Fading noise: This noise occurs because of variations in the field strength in a narrow range due to moun- tains or buildings blocking the signal.
• Multi-path noise: This noise results from a time di fference between the broadcast waves directly from the
station arriving at the antenna and the waves reflected by mountains or buildings.
MALFUNCTION WITH USB
NOTE:
Check that there is no malfunction of USB equi pment main body before performing a diagnosis.
Symptom Probable malfunction location
Audio system does not work normally. • AV control unit power supply and ground circuit. Refer to
AV- 6 7
.
• AV control unit. Refer to AV- 6 7
.
Audio steering wheel switch does not operate proper-
ly. • Remote control signal circuit between steering switch and AV control unit.
Refer to AV- 6 8
.
• Steering wheel audio control switch. Refer to AV- 7 2
.
• AV control unit. Refer to AV- 7 2
.
No sound can be heard from any speakers. • Speaker circuit shorted to ground. Refer to AV- 5 5
.
• AV control unit. Refer to AV- 7 2
.
No sound can be heard from front speakers. • Audio signal circuit between AV control unit and front speakers. Refer to
AV- 6 9
.
• Front speaker. Refer to AV- 7 2
.
• Front tweeter. Refer to AV- 7 2
.
• AV control unit. Refer to AV- 7 2
.
No sound can be heard from rear speakers. • Audio signal circuit between AV control unit and rear speakers. Refer to
AV- 7 1
.
• Rear speaker. Refer to AV- 7 2
.
• AV control unit. Refer to AV- 7 2
.
No sound can be heard from radio or noise is heard. • Antenna feeder. Refer to AV- 9 0
.
• Roof antenna. Refer to AV- 9 0
.
• AV control unit. Refer to AV- 7 2
.
Speed dependent volume system does not function. • Vehicle speed signal circuit between combination meter and AV control
unit. Refer to DI-16
.
• AV control unit. Refer to AV- 7 2
.
• Combination meter. Refer to DI-20
.
There is no sound from the iPod
® or Aux jack. •iPod
® sound signal circuit between AV control unit and Auxiliary jack as-
sembly. Refer to AV- 8 9
.
• AV control unit. Refer to AV- 7 2
.
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MALFUNCTION WITH AUXILIARY INPUT
NOTE:
Check that there is no malfunction of AUX equipment main body before performing a diagnosis.
MALFUNCTION WITH STEERING SWITCH
AV Control Unit Power and Ground Supply Circuit InspectionINFOID:0000000005988548
1.CHECK FUSE
Check that the following fuses of the AV control unit are not blown.
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to AV-
54.
2.AV CONTROL UNIT POWER SUPPLY CIRCUIT CHECK
1. Disconnect AV control unit connector.
2. Check voltage between the AV control unit connector and ground.
Symptoms Check itemsProbable malfunction location / Action to
take
iPod
® or USB memory can not be
recognized. With iPod
® or USB
memory Connected,
check “USB Device” in
“SERVICE STATUS”,
“SERVICE MENU”. iPod
® or USB memory
name is displayed for
“USB Device”. • USB interface and AUX jack harness
• USB interface and AUX jack. Refer to
AV- 8 9
.
• AV control unit. Refer to AV- 7 2
.
“Removed” is displayed
for “USB Device”. • USB interface and AUX jack harness
• USB interface and AUX jack. Refer to
AV- 8 9
.
—— Generation of iPod
® not supported
SymptomsCheck items Probable malfunction location
No voice sound is heard when
AUX mode is selected. Voice sound is heard when other modes
are selected. • USB interface and AUX jack harness
• USB interface and AUX jack. Refer to AV- 8 9
.
Symptoms
Possible malfunction location / Action to take
All steering switches are not operated.
Steering switch. Refer to AV- 6 8
.
Only specified switch cannot be operated.
“SEEK UP”, “VOL UP” and “SOURCE” switches are not
operated.
“SOURCE”, “SEEK DOWN” and “VOL DOWN” switches
are not operated.
Unit
Terminals Signal name Fuse No.
AV control unit 19
Battery power 27
7 Ignition switch ACC or ON 20
Revision: January 20102010 Versa