2003 NISSAN ALMERA N16 Radio

NJGI0005
Work FlowNJGI0005S01
SGI838
STEP DESCRIPTION
STEP 1 Get detailed information about the conditions and the environment when the incident occurred.
The following are key pieces of information required to make a good analysis:
WHATVehicle Model, Engine, Transmission and the System (i.e. Radio).
WHENDate, Time of Day, Weather Conditions, Frequency.
WHERERoad Conditions, Altitude and Traffic Situation.
HOWSystem Symptoms, Operating Conditions (Other Components Interaction).
Service History and if any After Market Accessories have been installed.
STEP 2 Operate the system, road test if necessary.
Verify the parameter of the incident.
If the problem can not be duplicated, refer to “Incident Simulation Tests”next page.
STEP 3 Get the proper diagnoses materials together including:
POWER SUPPLY ROUTING
System Operation Descriptions
Applicable Service Manual Sections
Check for any Service Bulletin.
Identify where to begin diagnoses based upon your knowledge of the system operation and the cus-
tomer comments.
STEP 4 Inspect the system for mechanical binding, loose connectors or wiring damage.
Determine which circuits and components are involved and diagnose using the Power Supply Routing
and Harness Layouts.
STEP 5 Repair or replace the incident circuit or component.
STEP 6 Operate the system in all modes. Verify the system works properly under all conditions. Make sure you
have not inadvertently created a new incident during your diagnoses or repair steps.
HOW TO PERFORM EFFICIENT DIAGNOSES FOR AN ELECTRICAL INCIDENT
Work Flow
GI-22

The second method is to put the suspect component into a freezer
long enough for any water to freeze. Reinstall the part into the car
and check for the reoccurrence of the incident. If it occurs, repair
or replace the component.
SGI844
WATER INTRUSIONNJGI0005S0205The incident may occur only during high humidity or in rainy/snowy
weather. In such cases the incident could be caused by water
intrusion on an electrical part. This can be simulated by soaking the
car or running it through a car wash.
Do not spray water directly on any electrical components.
SGI845
ELECTRICAL LOADNJGI0005S0206The incident may be electrical load sensitive. Perform diagnoses
with all accessories (including A/C, rear window defogger, radio,
fog lamps) turned on.
COLD OR HOT START UPNJGI0005S0207On some occasions an electrical incident may occur only when the
car is started cold. Or it may occur when the car is restarted hot
shortly after being turned off. In these cases you may have to keep
the car overnight to make a proper diagnoses.
Circuit InspectionNJGI0005S03INTRODUCTIONNJGI0005S0301In general, testing electrical circuits is an easy task if it is
approached in a logical and organized method. Before beginning
it is important to have all available information on the system to be
tested. Also, get a thorough understanding of system operation.
Then you will be able to use the appropriate equipment and follow
the correct test procedure.
You may have to simulate vehicle vibrations while testing electrical
components.Gently shakethe wiring harness or electrical com-
ponent to do this.
OPEN A circuit is open when there is no continuity through a section of
the circuit.
SHORT There are two types of shorts.
SHORT CIRCUIT When a circuit contacts another circuit
and causes the normal resistance to
change.
SHORT TO GROUND When a circuit contacts a ground source
and grounds the circuit.
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HOW TO PERFORM EFFICIENT DIAGNOSES FOR AN ELECTRICAL INCIDENT
Incident Simulation Tests (Cont’d)
GI-25

EC-18
[QG (WITH EURO-OBD)]
PRECAUTIONS
●Do not depress accelerator pedal when starting.
●Immediately after starting, do not rev up engine unneces-
sarily.
●Do not rev up engine just prior to shutdown.
●When installing C.B. ham radio or a mobile phone, be sure
to observe the following as it may adversely affect elec-
tronic control systems depending on installation location.
–Keep the antenna as far as possible from the electronic
control units.
–Keep the antenna feeder line more than 20 cm (8 in) away
from the harness of electronic controls.
Do not let them run parallel for a long distance.
–Adjust the antenna and feeder line so that the standing-
wave radio can be kept smaller.
–Be sure to ground the radio to vehicle body.
Wiring Diagrams and Trouble DiagnosisEBS00K2Y
When you read wiring diagrams, refer to the following:
●GI-12
●EL-11 for power distribution circuit
When you perform trouble diagnosis, refer to the following:
●GI-32
●GI-22
SEF709Y
SEF708Y

EC-412
[QG (WITHOUT EURO-OBD)]
PRECAUTIONS
●Do not depress accelerator pedal when starting.
●Immediately after starting, do not rev up engine unneces-
sarily.
●Do not rev up engine just prior to shutdown.
●When installing C.B. ham radio or a mobile phone, be sure
to observe the following as it may adversely affect elec-
tronic control systems depending on installation location.
–Keep the antenna as far as possible from the electronic
control units.
–Keep the antenna feeder line more than 20 cm (8 in) away
from the harness of electronic controls.
Do not let them run parallel for a long distance.
–Adjust the antenna and feeder line so that the standing-
wave radio can be kept smaller.
–Be sure to ground the radio to vehicle body.
Wiring Diagrams and Trouble DiagnosisEBS00KE5
When you read wiring diagrams, refer to the following:
●GI-12
●EL-11 for power distribution circuit
When you perform trouble diagnosis, refer to the following:
●GI-32
●GI-22
SEF709Y
SEF708Y

Precautions When Working On ABSNJBR0140Use recommended tyres in combination with ABS.
Please fit tyres or studded tyres, etc. with the same size.
If different sizes of tyres, or tyres other than the ones rec-
ommended for use with the ABS, are fitted, stopping dis-
tance will increase and control and stability could deterio-
rate.
When changing brake pads, please use Nissan genuine
parts.
When fitting radios etc, do not position the radio itself,
antenna, or antenna cables within an area of about 100
mm (3.94 in) of the control unit.
When doing any work that requires electro-welding, first
remove the control unit.
Please take care when taking a power supply for the
audio, lamps etc., not to take this from any ABS-related
harness. (Please refer to the electrical wiring diagrams for
ABS-related harnesses)
Wiring Diagrams and Trouble DiagnosisNJBR0003When you read wiring diagrams, refer to the following:
GI-12, “HOW TO READ WIRING DIAGRAMS”
EL-12, “POWER SUPPLY ROUTING”
When you perform trouble diagnosis, refer to the following:
GI-33, “HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSIS”
GI-22, “HOW TO PERFORM EFFICIENT DIAGNOSIS FOR AN ELECTRICAL INCIDENT”
On board self-diagnosis is available everywhere except for Europe.
PRECAUTIONS
Precautions When Working On ABS
BR-4

4 SYMPTOM CHECK 4
Check that the symptom is reproduce when the engine speed is increased withthe vehicle stopped.
OK or NG
OK GO TO 5.
NG Normal.
CAUTION:
This symptom may appear with vehicle stopped.
5 SYMPTOM CHECK 5
Check that the symptom is reproduce when any switch of electrical equipment is operated.
OK or NG
OK Check that there are no radio, antenna, and antenna lead-in wires (including wiring) near
control unit.
NG GO TO 6.
6 ABS WARNING LAMP INSPECTION
Check that the ABS warning lamp turns on.
OK or NG
OK Perform the self-diagnosis.
NG GO TO 7.
7 WHEEL SENSOR INSPECTION
Check the wheel sensor system.
Sensor mounting inspection
Sensor pick-up inspection for iron chips (e.g. Number of teeth, damaged teeth)
Sensor connector engagement inspection
Wheel sensor path harness and connector inspection
OK or NG
OK Normal
NG Wheel sensor and rotor lines repair
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TROUBLE DIAGNOSES FOR SYMPTOMSABS
5. Pedal Vibration and Noise (Cont’d)
BR-69

Trouble Diagnoses/YD Engine Models with
Common Rail and K9K Engine Models...................292
POWER DOOR LOCK - SUPER LOCK -...................301
System Description ..................................................301
Schematic <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
11001100110011[..........304
Wiring Diagram - S/LOCK - .....................................306
Trouble Diagnosis/QG and YD Engine Models
with Common Rail ...................................................313
Trouble Diagnoses/YD Engine Models without
Common Rail and K9K Engine Models...................339
MULTI-REMOTE CONTROL SYSTEM.......................352
System Description ..................................................352
Wiring Diagram - MULTI - .......................................353
Trouble Diagnoses/QG and YD Engine Models
with Common Rail ...................................................355
Trouble Diagnoses/YD Engine Models without
Common Rail and K9K Engine Models...................360
ID Code Entry Procedure ........................................364
Remote Controller Battery Replacement.................365
THEFT WARNING SYSTEM.......................................366
Wiring Diagram - PRWIRE -....................................366
SMART ENTRANCE CONTROL SYSTEM.................368
Description <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
110011[...........368
CONSULT-II <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
1100110011[........369
Schematic <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
11001100110011[..........374
Smart Entrance Control Unit Inspection Table ........376
Trouble Diagnoses...................................................378
Power Supply and Ground Circuit Check ...............379
CAN Communication Line Check ............................380
TIME CONTROL UNIT................................................381
Description <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
110011[...........381
Trouble Diagnoses...................................................382
Schematic <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
11001100110011[..........384
NATS (NISSAN ANTI-THEFT SYSTEM).....................386
Component Parts and Harness Connetor
Location <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
110011001100110011[............386
System Description ..................................................386
System Composition ................................................387
Wiring Diagram - NATS -.........................................388
CONSULT-II <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
1100110011[........390
Trouble Diagnoses/QG and YD Engine Models
with Common Rail ...................................................393
How to Replace NATS Antenna Amp ...................... 411
Trouble Diagnoses/YD Engine Models without
Common Rail and K9K Engine Models...................412
How to Replace NATS IMMU ..................................429
NAVIGATION SYSTEM...............................................430
System Description ..................................................430
Precautions for AV and NAVI Control Unit
Replacement <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
110011[........440
Component Parts Location ......................................441
Location of Antenna .................................................441Schematic <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
11001100110011[..........442
Wiring Diagram - NAVI - ..........................................443
Wiring Diagram - COMM -.......................................448
Terminals and Reference Value for AV and NAVI
Control Unit <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
110011[..........450
Terminals and Reference Value for Display Unit ....454
Terminals and Reference Value for Multifunction
Switch <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
11001100110011001100110011[.............456
Self-Diagnosis Function ...........................................457
Self-Diagnosis Mode................................................458
Confirmation/Adjustment Mode ...............................461
Power Supply and Ground Circuit Check ...............467
Check Display Unit, Multifunction Switch Power,
and Ground Circuit ..................................................469
Vehicle Speed Signal Check ...................................471
Illumination Control Signal Check ...........................472
Ignition Signal Check ...............................................473
Reverse Signal Check .............................................474
RGB Screen Is Not Shown......................................475
No Screens Appear .................................................477
Color of RGB Image Is Not Proper .........................477
RGB Screen Is Rolling ............................................482
Guide Sound Is Not Heard ......................................484
Multifunction Switch Controls Are Ineffective
(Rear Defogger Control Excluded) ..........................485
Air Conditioning Controls (Only) Are Ineffective
(Rear Defogger Control Excluded) ..........................489
Rear Defogger Does Not Operate...........................491
Rear Defogger Indicator Lamp Does Not
Illuminate<0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
1100110011[.............492
No Fuel Information Is Displayed/No Warning
Message Is Displayed .............................................493
Previous Conditions Are Not Stored........................495
The Position of The Current-Location Mark Is
Not Correct <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
1100110011[.........495
Radio Wave From The GPS Satellite Is Not
Received <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
110011001100110011[...........495
Display Does Not Change When Screen
Adjustment Is Performed .........................................496
Day/Night Display Switching Is Not Done. Night
Illumination for AV and NAVI Control Unit Does
Not Illuminate ...........................................................496
On Multifunction Switch, a Specific Switch Does
Not Operate in All Conditions ..................................496
Driving Information Is Inaccurate. Maintenance
Information Is Inaccurate .........................................496
System Does Not Start ............................................497
The Current Position Mark Is in the Wrong Place ..497
The Current-Location Mark Will Not Move
Forward/Backward ...................................................498
The Position of the Current-Location Mark Is Not
Correct <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
1100110011001100110011[.............498
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CONTENTS(Cont’d)
EL-3

NATS AUDIO LINKNJEL0497S12DescriptionNJEL0497S1201The link with the NATS IMMU implies that the audio unit can basically only beoperated if connected to the
matching NATS IMMU to which the audio unit was initially fitted on the production line.
Since radio operation is impossible after the link with the NATS is disrupted theft of the audio unit is basically
useless since special equipment is required to reset the audio unit.
Initialization process for audio units that are linked to the NATS IMMU
Perform initialization with CONSULT-II
For initialization, refer to “CONSULT-II operation manual NATS”.
Normal operation
Each time the audio unit is switched on afterwards, the audio unit code willbe verified between the audio unit
and the NATS before the audio unit becomes operational.
When the radio is locked
When NATS link problems occur “SECURE” message will be displayed in three ways indicating three differ-
ent NATS link problems.
“Secure” on a red background indicates that there is a problem in the link between Navi control unit and Audio,
suggesting that there is either a Navigation system fault or the Navi control unit has previously been fitted in
another vehicle.
“Secure” on a green background indicates that there is a problem in the linkbetween NATS IMMU and Audio,
suggesting that there is an audio fault or the audio unit has previously been fitted in another vehicle.
“Secure” on a yellow background indicates that the transponder (NATS key)is not working correctly or it has
previously been fitted in another vehicle.
When a “Secure” message (of any type) is displayed, it can be cleared by re-initializing the NATS system using
CONSULT-II and the associated Immobilizer PIN code (there is no need to return the audio to a Clarion ser-
vice centre). If re-initializing fails to clear a “Secure” message then the component (identified by background
color) is faulty and should be replaced.
NOTE:
When the “Secure” is displayed on VFD display or audio unit, the communication of IMMU and radio, radio
unit or transponder has problem.
Service ProcedureNJEL0497S1202
Item Service procedure Description
Battery disconnection No additional action required. —
Radio needs repair Repair needs to be done by authorized
representative of radio manufacturer since
radio cannot be operated unless it is reset
to NEW state, using special decoding
equipment.—
Replacement of radio by new part No additional action required. Radio is delivered in NEW state.
Transferring radio to another vehicle/
replacement of radio by an “old” partRadio needs to be reset by using CON-
SULT-II and the associated Immobi PIN
code (there is no need to return the audio
or Navi units to a Clarion service centre).—
Replacement of IMMU The communication between IMMU and
radio need to be reset by using CON-
SULT-II and the associated Immobi PIN
code.After switching on the radio, it will display
“SECURE” on a green background.
No communication from IMMU to radio 1. If NATS is malfunctioning, check NATS
system.
2. After NATS is repaired, reset radio to
“Secure” on a green background state
by using CONSULT-II and the associ-
ated Immobilizer PIN code (there is no
need to return the audio to a Clarion
service centre).After switching on the radio, the display
unit will display “SECURE” on a green
background. Further use of radio is
impossible until communication is estab-
lished again, or after radio is reset by
using CONSULT-II and the associated
Immobilizer PIN code (there is no need to
return the audio to a Clarion service cen-
tre).
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AUDIO
System Description (Cont’d)
EL-193