2007 NISSAN TIIDA XX-XX

AV-10
< COMPONENT DIAGNOSIS >[AUDIO WITHOUT NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
2.CHECK POWER SUPPLY CIRCUIT (CONTINUITY)
1. Turn ignition switch OFF.
2. Disconnect microphone and AV control unit harness connectors.
3. Check continuity between microphone harness connector R15
(A) terminal 4 and AV control unit harness connector M44 (B)
terminal 29.
4. Check continuity between microphone harness connector R15
(A) terminal 4 and ground.
Are the continuity test results as specified?
YES >> GO TO 3
NO >> Repair harness or connector.
3.CHECK POWER SUPPLY CIRCUIT (AV CONTROL UNIT SIDE)
1. Connect AV control unit harness connector.
2. Turn ignition switch to ACC.
3. Check voltage between AV control unit harness connector M44
terminal 29 and ground.
Is approximately 5V present?
YES >> Inspection End.
NO >> Replace AV control unit. Refer to XX-XX, "*****"
4.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect microphone harness connector R15 and AV control unit harness connector M44.
3. Check continuity between microphone harness connector R15 (A) terminal 2 and AV control unit harness
connector M44 (B) terminal 28.
Does continuity exist?
YES >> Inspection End.
NO >> Repair harness or connector.
AB
Continuity
Connector Terminal Connector Terminal
R15 4 M44 29 Yes
A
—Continuity
Connector Terminal
R15 4 Ground No
ALNIA0320GB
Signal nameConnector
No.Te r m i n a l
No.Ignition switch
positionValue (Approx.)
MIC power M44 29 ACC 5V
ALNIA0321GB
AB
Continuity
Connector Terminal Connector Terminal
R15 2 M44 28 Yes

AV
STEERING SWITCH
AV-11
< COMPONENT DIAGNOSIS >[AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
MB A
O
P
STEERING SWITCH
DescriptionINFOID:0000000001728773
When one of the steering wheel AV control switches is pushed, the resistance in the steering wheel AV control
switch circuit changes depending on which button is pushed.
Diagnosis ProcedureINFOID:0000000001728774
1.CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE
1. Disconnect steering wheel audio control switch connector M102.
2. Check resistance between steering switch connector terminals.
Do the steering wheel audio control switches check OK?
YES >> GO TO 2
NO >> Replace steering wheel audio control switch. Refer to XX-XX, "*****"
.
2.CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M43 and spiral cable con-
nector M30.
3. Check continuity between AV control unit harness connector
M43 (A) and spiral cable harness connector M30 (B).
4. Check continuity between AV control unit connector M43 (A) and ground.
Are the continuity results as specified?
YES >> GO TO 3
NO >> Repair harness.
3.SPIRAL CABLE CHECK
Terminal Signal name ConditionResistance
(Ω)
(Approx.)
16 17Seek (down)
Depress switch.165
Volume (down) Depress VOL down switch. 487
Power Depress PWR switch. 0
20 17Seek (up)
Depress switch.165
Volume (up) Depress VOL up switch. 487
Mode Depress MODE switch. 0
WKIA4457E
AB
Continuity
Connector Terminal Connector Terminal
M436
M3024
Ye s 15 31
16 32
A
—Continuity
Connector Terminal
M436
Ground No 15
16
ALNIA0332GB

AV-12
< COMPONENT DIAGNOSIS >[AUDIO WITHOUT NAVIGATION]
STEERING SWITCH
1. Disconnect spiral cable connector M102.
2. Check continuity between spiral cable harness connector M30
(A) and M102 (B).
Does the spiral cable check OK?
YES >> Inspection End.
NO >> Replace spiral cable. Refer to XX-XX, "*****"
.
Spiral cable
Continuity
Connector Terminal Connector Terminal
M3024
M10220
Ye s 31 17
32 16
ALNIA0333GB

AV
MICROPHONE SIGNAL CIRCUIT
AV-13
< COMPONENT DIAGNOSIS >[AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
MB A
O
P
MICROPHONE SIGNAL CIRCUIT
DescriptionINFOID:0000000001728771
Voice signals are transmitted from the microphone to the AV control unit using the microphone signal circuits.
Diagnosis ProcedureINFOID:0000000001728772
1.CHECK HARNESS BETWEEN AV CONTROL UNIT AND MICROPHONE
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector and microphone connector.
3. Check continuity between AV control unit harness connector M44 and microphone harness connector
R15.
4. Check continuity between AV control unit harness connector M44 and ground.
Are the continuity test results as specified?
YES >> GO TO 2
NO >> Repair harness or connector.
2.CHECK MICROPHONE POWER SUPPLY
1. Connect AV control unit connector and microphone connector.
2. Turn ignition switch ON.
3. Check voltage between microphone harness connector R15 ter-
minal 4 and ground.
Is voltage reading approx. 5 volts?
YES >> GO TO 3
NO >> Replace AV control unit. Refer to XX-XX, "*****"
.
3.CHECK MICROPHONE SIGNAL
Check signal between AV control unit harness connector M44 terminals 27 and 28 with CONSULT-III or and
oscilliscope.
Te r m i n a l Te r m i n a l
Continuity
Connector Terminal Connector Terminal
M4427
R151
Ye s 28 2
29 4
Te r m i n a l
— Continuity
Connector Terminal
M447
Ground No 8
29
4 - Ground : Approx. 5V
WKIA5796E

AV-14
< COMPONENT DIAGNOSIS >[AUDIO WITHOUT NAVIGATION]
MICROPHONE SIGNAL CIRCUIT
Are voltage readings as specified?
YES >> Replace AV control unit. Refer to XX-XX, "*****".
NO >> Replace microphone. Refer to XX-XX, "*****"
.
Connector(+) (-)
Reference signal
Terminal Terminal
M44 27 28While speaking into MIC
PKIB5037J

AV
MULTI AV SYSTEM SYMPTOMS
AV-19
< SYMPTOM DIAGNOSIS >[AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
MB A
O
P
SYMPTOM DIAGNOSIS
MULTI AV SYSTEM SYMPTOMS
Symptom TableINFOID:0000000001728624
RELATED TO AUDIO
RELATED TO HANDS FREE PHONE
 Check that the cellular phone is corresponding type (Bluetooth® enabled) when the hands free related mal-
function vehicle is in service before performing a diagnosis.
 There is a case that malfunction occurs due to the version change of the phone type, etc. even though it is a
corresponding type. Therefore, confirm it by changing the cellular phone to another corresponding type
phone, and check that it operates normally. It is necessary to distinguish whether the cause is the vehicle or
cellular phone. Check to ensure the customers phone is supported by checking the phone compatibility for
the hands free system.
Trouble diagnosis chart by symptom
RELATED TO STEERING SWITCH
Symptom Check items Possible malfunction location / Action to take
Audio sound is not heard.No sound from all speakers Audio unit (XX-XX, "*****"
)
Sound is not heard only from the specif-
ic places (Front RH, rear RH, front LH
and rear LH).Sound signal circuit of suspect system
Symptoms Check items Possible malfunction location / Action to take
Does not recognize cellular
phone connection. Repeat the registration of cellular phone. Audio unit (XX-XX, "*****"
)
Hands free phone cannot be
established. Hands free phone operation can be
made, but the communication cannot
be established.
 Hands free phone operation can be
performed, however, voice between
each other cannot be heard during the
conversation.Audio unit (XX-XX, "*****"
)
The other party's voice cannot
be heard by hands free phone.No sound from all speakers Audio unit (XX-XX, "*****"
)
Sound is not heard only from the specific
places (Front RH or front LH).Sound signal circuit (TEL voice)
Originating sound is not heard
by the other party with hands
free phone communication.Sound operation function is normal. Audio unit (XX-XX, "*****"
)
Sound operation function does not work. Microphone signal circuit (XX-XX, "*****"
)
Symptoms Possible malfunction location / Action to take
All steering switches are not operated. Steering switch signal ground circuit (XX-XX, "*****"
)
Only specified switch cannot be operated. Steering switch (XX-XX, "*****"
)
“MENU UP”, “VOL UP” and “SOURCE” switches are not op-
erated.Steering switch signal A circuit (XX-XX, "*****"
)
“ ”, “MENU DOWN” and “VOL DOWN” switches are not
operated.Steering switch signal B circuit (XX-XX, "*****"
)

AV-32
< FUNCTION DIAGNOSIS >[AUDIO WITH NAVIGATION]
MULTI AV SYSTEM
FUNCTION DIAGNOSIS
MULTI AV SYSTEM
System DiagramINFOID:0000000001728627
System DescriptionINFOID:0000000001728628
Multi AV system means that the following systems are integrated.
 Two AV communication lines (H, L) connect between units that configure MULTI AV system. NAVI control
unit controls by sending/receiving data one by one with each unit (slave unit) that configures them com-
pletely as a master unit.
 Two AV communication lines (H, L) adopt a twisted pair line that is resistant to noise.
 NAVI control unit is connected by CAN communication, and it receives data signal from ECM, combination
meter. It computes and displays fuel economy information value with the obtained information. Sending/
receiving of data signal is performed by BCM. Also, it sends the required signal of vehicle setting and
receives the response signal.
ALNIA0882GB
System name System explanation
NAVIGATION SYSTEMAV- 3 5 , "
System Description"
AUDIO SYSTEMXX-XX, "*****"
VEHICLE INFORMATION SYSTEM Status of audio, fuel economy, maintenance and navigation is
displayed.
 NAVI control unit displays the fuel consumption status and trip
computer status while receiving data signal through CAN com-
munication from ECM, combination meter and BCM.
HANDS-FREE PHONE SYSTEM Refer to the following “HANDS-FREE PHONE SYSTEM”.

AV-52
< COMPONENT DIAGNOSIS >[AUDIO WITH NAVIGATION]
U1000 CAN COMM CIRCUIT
COMPONENT DIAGNOSIS
U1000 CAN COMM CIRCUIT
DescriptionINFOID:0000000001728646
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
CAN Communication Signal Chart. Refer to XX-XX, "*****"
.
DTC LogicINFOID:0000000001728647
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000001728648
1.PERFORM SELF DIAGNOSTIC
1. Turn ignition switch ON and wait for 2 second or more.
2. Check “Self Diagnostic Result” of “MULTI AV”.
Is
“CAN COMM CIRCUIT” displayed?
YES >> Refer to “LAN system”. Refer to XX-XX, "*****".
NO >> Refer to GI section. Refer to XX-XX, "*****"
.
DTCDisplay contents of CON-
SULT-IIIDiagnostic item is detected when... Probable malfunction location
U1000CAN COMM CIRCUIT
[U1000]NAVI control unit does not transmit or receive
CAN communication signal for 2 seconds or
more.CAN communication system