turn signal NISSAN 350Z 2007 Z33 Audio Visual, Navigation And Telephone System

AUDIO
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Revision: 2006 November2007 350Z
Trouble DiagnosisNKS002ED

The majority of the audio malfunctions are the result of outside causes (bad CD, electromagnetic interfer-
ence, 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 malfunction-
ing. Check if noise is caused and/or changed by engine speed, ignition switch turned to each position, and
operation of each piece of electrical equipment, and then determine the cause.

Refer to "SERVICE BULLETIN NTB04-119" for the diagnosis of satellite radio.
NOTE:
Noise resulting from variations in field strength, such as fading noise and multi-path noise, or external noise
from trains and other sources. It 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.
Symptom Possible malfunction location
Audio system does not work properly.

Audio unit power supply circuit

Audio unit
No sound can be heard from all speakers.
Base system

Audio unit
BOSE system

BOSE speaker amp. power supply and ground circuit

BOSE speaker amp. ON signal circuit

Audio unit

BOSE speaker amp.
No sound can be heard from one or several speakers.
Base system

Audio signal circuit between audio unit and speaker

Speaker

Tweeter

Audio unit
BOSE system

Audio signal circuit between audio unit and BOSE speaker amp.

Audio signal circuit between BOSE speaker amp. and speaker

Speaker

Tweeter

Audio unit

BOSE speaker amp.
No sound can be heard from woofer.

Woofer amp. power supply and ground circuit

Woofer amp. ON signal circuit

Audio signal circuit between BOSE speaker amp. and woofer

Audio signal circuit between woofer amp. and woofer

Woofer

Woofer amp.

BOSE speaker amp.
No sound can be heard from radio or noise is caught.

Antenna amp. ON signal circuit

Antenna feeder

Antenna

Antenna amp.

Audio unit
None of the steering switch operations work

TEL adapter unit control signal 1 circuit

Steering switch signal ground circuit

AV-42
AUDIO
Revision: 2006 November2007 350Z
3. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BOSE speaker amp. and woofer amp. connectors.
3. Check continuity between BOSE speaker amp. harness connec-
tor T6 terminal 27 and ground.
4. Check continuity between woofer amp. harness connector B32
terminal 7 and ground.
OK or NG
OK >> INSPECTION END
NG >> Repair harness or connector.
Steering Switch Does Not OperateNKS002EE
1. CHECK STEERING SWITCH RESISTANCE
1. Turn ignition switch OFF.
2. Disconnect combination switch (spiral cable) connector.
3. Check resistance between steering switch harness connector
M203 terminals.
OK or NG
OK >> GO TO 2.
NG >> Replace steering switch.
2. CHECK SPIRAL CABLE
1. Disconnect combination switch (spiral cable) connector.
2. Check continuity between combination switch (spiral cable) con-
nector (A) terminals 16, 17, 20 and connector (B) terminals 32,
31, 24.
OK or NG
OK >> GO TO 3.
NG >> Replace spiral cable.27 – Ground : Continuity should exist.
7 – Ground : Continuity should exist.
SKIA8745E
Terminal Signal name Condition Resistance (Ω)
16
17Power Press and hold POWER switch. Approx. 0
Seek downPress and hold SEEK DOWN
switch.Approx. 165
Vo l u m e d o wnPress and hold VOLUME DOWN
switch.Approx. 652
20Mode Press and hold MODE switch. Approx. 0
Seek up Press and hold SEEK UP switch. Approx. 165
Vo l u m e u pPress and hold VOLUME UP
switch.Approx. 652
SKIB7339E
16 – 32 : Continuity should exist.
17 – 31 : Continuity should exist.
20 – 24 : Continuity should exist.
SKIB7340E

AV-44
AUDIO
Revision: 2006 November2007 350Z
AudioPilot® Does Not WorkNKS002BG
1. CHECK AUDIO UNIT
Check AudioPilot
® turns ON.
OK or NG
OK >> GO TO 2.
NG >> Turn AudioPilot® ON.
2. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect audio unit and BOSE speaker amp. connectors.
3. Check continuity between audio unit harness connector M39 ter-
minal 17 and BOSE speaker amp. harness connector T7 termi-
nal 31.
4. Check continuity between audio unit harness connector M39 ter-
minal 17 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3. CHECK AUDIOPILOT® SIGNAL
1. Connect audio unit and BOSE speaker amp. connectors.
2. Turn ignition switch ON.
3. Check voltage between audio unit harness connector terminals
and ground.
OK or NG
OK >> GO TO 4.
NG >> Replace audio unit.17 – 31 : Continuity should exist.
17 – Ground : Continuity should not exist.
SKIA8019E
Te r m i n a l s
Condition Voltage (+)
(–)
Connector Terminal
M39 17 GroundAudioPilot
® OFFApprox. 7.5 V
AudioPilot
® ONApprox. 0 V
SKIA8020E

AUDIO
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Revision: 2006 November2007 350Z
4. CHECK HARNESS
1. Turn ignition switch OFF
2. Disconnect BOSE speaker amp. and microphone connectors.
3. Check continuity between BOSE speaker amp. harness connec-
tor T7 terminal 17 and microphone harness connector E123 ter-
minal 1.
4. Check continuity between BOSE speaker amp. harness connec-
tor T7 terminal 17 and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.
5. CHECK HARNESS
1. Check continuity between BOSE speaker amp. harness connec-
tor T7 terminal 18 and microphone harness connector E123 ter-
minal 2.
2. Check continuity between BOSE speaker amp. harness connec-
tor T7 terminal 18 and ground.
OK or NG
OK >> GO TO 6.
NG >> Repair harness or connector.
6. CHECK MICROPHONE SIGNAL
1. Connect BOSE speaker amp. and microphone connectors.
2. Turn ignition switch ON.
3. Check voltage waveform between BOSE speaker amp. harness
connector T7 terminal 17 and 18 using oscilloscope, when input-
ting some sounds (voice, etc.) toward the microphone.
Does the voltage waveform change with sounds?
YES >> Replace BOSE speaker amp.
NO >> Replace microphone.17 – 1 : Continuity should exist.
17 – Ground : Continuity should not exist.
SKIA3105E
18 – 2 : Continuity should exist.
18 – Ground : Continuity should not exist.
SKIA3106E
17 – 18:
SKIA3104EPKIA2104E

AV-52
ANTENNA
Revision: 2006 November2007 350Z
ANTENNAPFP:28200
System DescriptionNKS002EG
With the ignition switch in ACC or ON, power is supplied

through 10A fuse [No. 6, located in the fuse block (J/B)]

to audio unit terminal 10.
Ground is supplied through the case of the antenna amp.
When the radio switch is turned ON, antenna signal is supplied

through audio unit terminal 5

to antenna amp. terminal 1.
Then the antenna amp. is activated.
Antenna signals amplified by the antenna amp. are supplied to the audio unit.

NAVIGATION SYSTEM
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NAVIGATION SYSTEMPFP:25915
System DescriptionNKS000CX
For Navigation System operation information, refer to Navigation System Owner's Manual.
LOCATION DETECTION PRINCIPLE
The navigation system periodically calculates the vehicle's current
position according to the following three signals:

Travel distance of the vehicle as determined by the vehicle
speed sensor

Turning angle of the vehicle as determined by the gyroscope
(angular velocity sensor)

Direction of vehicle travel as determined by the GPS antenna
(GPS information)
The current position of the vehicle is then identified by comparing the
calculated vehicle position with map data read from the DVD-ROM,
which is stored in the DVD-ROM drive (map-matching), and indi-
cated on the screen as a current-location mark. More accurate data is judged and used by comparing vehicle
position detection results found by the GPS with the result by map-matching.
The current vehicle position will be calculated by detecting the dis-
tance the vehicle moved from the previous calculation point and its
direction.

Travel distance
Travel distance calculations are based on the vehicle speed
sensor input signal. Therefore, the calculation may become
incorrect as the tires wear down. To prevent this, an automatic
distance correction function has been adopted.

Travel direction
Change in the travel direction of the vehicle is calculated by a
gyroscope (angular velocity sensor) and a GPS antenna (GPS
information). They have both advantages and disadvantages.
More accurate traveling direction is detected because priorities are set for the signals from these two
devices according to the situation.
SKIB1058E
SEL684V
Type Advantage Disadvantage
Gyroscope (angular velocity sen-
sor)Can detect the vehicle's turning angle quite
accurately.Direction errors may accumulate when vehicle is
driven for long distances without stopping.
GPS antenna (GPS information)Can detect the vehicle's travel direction
(North/South/East/West).Correct direction cannot be detected when vehi-
cle speed is low.

AV-74
NAVIGATION SYSTEM
Revision: 2006 November2007 350Z
Special Note for Trouble DiagnosisNKS002JP
Prior to perform trouble diagnosis, make sure there are no corresponding description in the “Example of
Symptoms Possible No Malfunction”. Refer to AV- 9 5 , "
Example of Symptoms Possible No Malfunction" .
On Board Self-Diagnosis FunctionNKS000D6
DESCRIPTION

Trouble diagnosis function of navigation system has a Self Diagnosis mode by automatic operation and a
Confirmation/Adjustment mode by manual operation.

Self Diagnosis mode checks for connections between the units constituting this system, analyzes each
individual unit at the same time, and displays the results on the display unit.

Confirmation/Adjustment mode displays trouble diagnosis that require an operation and a judgment by a
human (auto-decision can not be performed by the system), confirmation of preset value, and an error his-
tory.
DIAGNOSIS ITEM
Self Diagnosis ModeNKS000D7
OPERATION PROCEDURE
1. Start the engine.
2. Press and hold “MAP” and “ ” buttons simultaneously for 5
seconds or more.

Shifting from current screen to previous screen is performed
by pressing “BACK” button.
Mode Description
Self Diagnosis

NAVI control unit diagnosis (DVD-ROM drive will not be diagnosed when no
DVD-ROM is in it.).

Analyzes connection between the NAVI control unit and the GPS antenna, con-
nection between the NAVI control unit and each unit, and operation of each unit.
Confirmation/
AdjustmentDisplay DiagnosisColor tone and shading of the screen can be checked by the display of a color bar
and a gray scale.
Vehicle SignalsDiagnosis of signals that are input to NAVI control unit can be performed for Vehicle
speed, Lights, Ignition and Reverse.
NavigationSteering Angle
AdjustmentThis mode is used to correct difference between actual turning angle of a vehicle
and turning angle of the vehicle mark on the display.
Speed CalibrationUnder ordinary conditions, the navigation system distance measuring function will
automatically compensate for minute decreases in wheel and tire diameter caused
by tire wear or low-pressure. Speed Calibration can immediately restore system
accuracy in cases such as when distance calibration is needed because of the use
of tire chains.
Error HistoryMalfunctions that occurred in the past are displayed, along with the number of times
each has occurred. Time and location when/where the errors occurred are also dis-
played.
Delete Unit Connection Log Erase the connection history of unit and error history.
SKIB7380E

NAVIGATION SYSTEM
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Revision: 2006 November2007 350Z
DELETE UNIT CONNECTION LOG
Erase the connection history of unit and error history that is recorded
in NAVI control unit (clear the connection history of the removed
unit).
Switches Connection Error

NAVI switch power supply and
ground circuit malfunction is
detected

Malfunction is detected on commu-
nication signal between display unit
and NAVI switch

Malfunction is detected on commu-
nication signal between NAVI con-
trol unit and display unit1. Delete the error history, and turn OFF
ignition switch.
2. Turn ON ignition switch, and make sure
of the error history.
3. If the error item listed left is displayed
again, GO TO 4. If the error item is not
displayed, end the diagnosis. (This is
not a malfunction.)
4. Check NAVI switch power supply and
ground circuit.
5. Check communication circuit between
display unit and NAVI switch.
6. Check communication circuit between
NAVI control unit and display unit.
7. If the results from the above checkup
show no malfunction, replace NAVI
switch, display unit, or NAVI control
unit, and then start self-diagnosis.
8. If self-diagnosis results still show any
malfunction, replace one of the two
units that is not replaced yet.
9. If self-diagnosis results still show any
malfunction, replace the other unit.

Front Display Connection Error

Switches Connection Error

Malfunction is detected on commu-
nication signal between NAVI con-
trol unit and display unit

Malfunction is detected on commu-
nication signal between display unit
and NAVI switch1. Delete the error history, and turn OFF
ignition switch.
2. Turn ON ignition switch, and make sure
of the error history.
3. If the error item listed left is displayed
again, GO TO 4. If the error item is not
displayed, end the diagnosis. (This is
not a malfunction.)
4. Check communication circuit between
NAVI control unit and display unit.
5. Check communication circuit between
display unit and NAVI switch.
6. If the results from the above checkup
show no malfunction, replace NAVI
switch, display unit, or NAVI control
unit, and then start self-diagnosis.
7. If self-diagnosis results still show any
malfunction, replace one of the two
units that is not replaced yet.
8. If self-diagnosis results still show any
malfunction, replace the other unit. Error item Possible cause Action to take
SKIB6979E

AV-86
NAVIGATION SYSTEM
Revision: 2006 November2007 350Z
6. CHECK RGB AREA (YS) SIGNAL
1. Connect NAVI control unit and display unit connectors.
2. Turn ignition switch ON.
3. Check voltage between NAVI control unit harness connector
B105 terminal 50 and ground.
OK or NG
OK >> Replace display unit.
NG >> Replace NAVI control unit.50 – Ground : Approx. 5 V
SKIB6984E

AV-90
NAVIGATION SYSTEM
Revision: 2006 November2007 350Z
2. CHECK RGB SIGNAL
1. Connect NAVI control unit and display unit connectors.
2. Turn ignition switch ON.
3. Start Confirmation/Adjustment mode. Refer to AV- 7 7 , "
Confirmation/Adjustment Mode" .
4. Display color bar by selecting “Color Spectrum bar” on Display Diagnosis screen. Refer to AV- 7 8 , "
DIS-
PLAY DIAGNOSIS" .
5. Check the malfunctioning circuit according to the symptoms.

Light blue (Cyan) tinged screen
Check voltage waveform between NAVI control unit harness
connector B105 terminal 44 and ground using oscilloscope.

Purple (Magenta) tinged screen
Check voltage waveform between NAVI control unit harness
connector B105 terminal 45 and ground using or oscilloscope.

Yellow tinged screen
Check voltage waveform between NAVI control unit harness
connector B105 terminal 46 and ground using oscilloscope.
OK or NG
OK >> Replace display unit.
NG >> Replace NAVI control unit.44 – Ground:
SKIB6997E
SKIB7360E
45 – Ground:
SKIB6998E
SKIB7361E
46 – Ground:
SKIB6999E
SKIB7362E