2001 NISSAN ALMERA N16 Electronic Repair Manual

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Page 2345 of 2493

NISSAN ALMERA N16 2001 Electronic Repair Manual YEL711C
TIME CONTROL UNIT
Schematic (Contd)
EL-233

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NISSAN ALMERA N16 2001 Electronic Repair Manual Component Parts and Harness Connetor
Location
NJEL0406For details, refer to ªELECTRICAL UNIT LOCATIONº (EL-319) and
ªHARNESS LAYOUTº (EL-324).
System DescriptionNJEL0407NATS (Nissan Anti-Theft Sys

Component Parts and Harness Connetor
Location
NJEL0406For details, refer to ªELECTRICAL UNIT LOCATIONº (EL-319) and
ªHARNESS LAYOUTº (EL-324).
System DescriptionNJEL0407NATS (Nissan Anti-Theft System) has the following immobilizer functions:
+Since only NATS ignition keys, whose ID nos. have been registered into the ECM and IMMU of NATS,
allow the engine to run, operation of a stolen vehicle without a NATS registered key is prevented by NATS.
That is to say, NATS will immobilize the engine if someone tries to start it without the registered key of
NATS.
+This version of NATS has dongle unit to improve its anti-theft performance (RHD models for Europe).
Dongle unit has its own ID which is registered into NATS IMMU. So if dongle unit is replaced, initialization
must be carried out.
+When malfunction of dongle unit is detected:
The security indicator lamp illuminates for about 15 minutes after ignition switch is turned to ON.
þ When dongle unit has a malfunction and the indicator lamp is illuminated, engine can not be started.
However engine can be started only one time when security indicator lamp turns off in about 15 minutes
after ignition switch is turned to ON.
+All of the originally supplied ignition key IDs have been NATS registered.
If requested by the vehicle owner, a maximum of five key IDs can be registered into the NATS compo-
nents.
+The security indicator blinks when the ignition switch is in ªOFFº or ªACCº position. Therefore, NATS warns
outsiders that the vehicle is equipped with the anti-theft system.
+When NATS detects trouble, the security indicator lamp lights up as follows.
Condition IGN ON andWith dongle Without dongle
MIL Security indicator MIL Security indicator
NATS malfunction
(except dongle unit) is
detectedÐ1. 6 times blinking
2. Staying ON after igni-
tion switch is turned
ONÐ Staying ON
Only malfunction of
dongle unit is detected.ÐStaying ON for about 15
minutes after ignition
switch is turned ONÐÐ
Malfunction of NATS
and engine related parts
are detected.Staying ON1. 6 times blinking
2. Staying ON after igni-
tion switch is turned
ONStaying ON Staying ON
Only engine related part
malfunction is detected.Staying ON Ð Staying ON Ð
Just after initialization of
NATSÐ 6 times blinking Ð Ð
+NATS trouble diagnoses, system initialization and additional registration of other NATS ignition key IDs
must be carried out using CONSULT-II hardware and CONSULT-II NATS software.
Regarding the procedures of NATS initialization and NATS ignition key ID registration, refer to CONSULT-II
operation manual, NATS.
+When servicing a malfunction of the NATS (indicated by lighting up of Security Indicator Lamp) or
NATS (NISSAN ANTI-THEFT SYSTEM)
Component Parts and Harness Connetor Location
EL-234

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NISSAN ALMERA N16 2001 Electronic Repair Manual registering another NATS ignition key ID no., it may be necessary to re-register original key iden-
tification. Therefore, be sure to receive ALL KEYS from vehicle owner.
NATS (NISSAN ANTI-THEFT SYSTE

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NISSAN ALMERA N16 2001 Electronic Repair Manual System Composition=NJEL0408The immobilizer function of the NATS consists of the following:
+NATS ignition key
+NATS immobilizer control unit (IMMU) located in the ignition key cylinder
+Engine control

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NISSAN ALMERA N16 2001 Electronic Repair Manual Wiring Diagram Ð NATS ÐNJEL0487
YEL712C
NATS (NISSAN ANTI-THEFT SYSTEM)
Wiring Diagram Ð NATS Ð
EL-237

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NISSAN ALMERA N16 2001 Electronic Repair Manual SEF094Y
CONSULT-IINJEL0410CONSULT-II INSPECTION PROCEDURENJEL0410S011. Turn ignition switch OFF.
PBR455D
2. Insert NATS program card into CONSULT-II.
: Program card
NATS-AEN00B
3. Connect CONSULT-II t

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NISSAN ALMERA N16 2001 Electronic Repair Manual CONSULT-II DIAGNOSTIC TEST MODE FUNCTION=NJEL0410S02
CONSULT-II DIAGNOSTIC TEST
MODEDescription
C/U INITIALIZATION When replacing any of the following components, C/U initialization and re-registratio

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NISSAN ALMERA N16 2001 Electronic Repair Manual NATS SELF-DIAGNOSTIC RESULTS ITEM CHART=NJEL0410S04
Detected items (NATS program card
screen terms)P No. Code
(Self-diag-
nostic result
of ªENGINEºMalfunction is detected when .....
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