light NISSAN PICK-UP 2001 Service Manual

Wiring Diagram Ð DTRL Ð
GEL371A
HEADLAMP Ð Daytime Light System Ð
EL-3029

GEL372A
HEADLAMP Ð Daytime Light System Ð
Wiring Diagram Ð DTRL Ð (Cont'd)
EL-3030

GEL373A
HEADLAMP Ð Daytime Light System Ð
Wiring Diagram Ð DTRL Ð (Cont'd)
EL-3031

Bulb Replacement
For bulb replacement, refer to ªHEADLAMP Ð Conventional
Type к EL-3027.
Aiming Adjustment
For aiming adjustment, refer to ªHEADLAMP Ð Conventional
Type к EL-3027.
HEADLAMP Ð Daytime Light System Ð
EL-3032

Wiring Diagram Ð CHIME Ð/LHD Models
LIGHT WARNING BUZZER
GEL420A
A/T INDICATOR
EL-3101

Wiring Diagram Ð CHIME Ð/RHD Models
LIGHT WARNING BUZZER
GEL421A
A/T INDICATOR
EL-3102

Wiring Diagram Ð CIGAR Ð
GEL275A
CIGARETTE LIGHTER
EL-3110

System Description
NATS 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 it dongle unit is replaced, initializa-
tion must be carried out.
+When malfunction of dongle unit is detected:
Ð The security indicator lamp illuminates for about 15 minutes after ignition switch is turned to ON.
Ð 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 turns off in about 15 minutes
after ignition switch is turned to ON.
+Both 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 NATS security indicator (NATS security ind.) 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
Security Indicator Security Indicator
NATS malfunction (except dongle unit) is
detected1. 6 times blinking
2. Staying ON after ignition switch is
turned ONStaying ON
Only malfunction of dongle unit is
detected.Staying ONfor about 15 minutesafter
ignition switch is turned ON.Ð
Malfunction of NATS and engine related
parts are detected1. 6 times blinking
2. Staying ON after ignition switch is
turned ONStaying ON
Just after initialization of NATS 6 times blinking 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 CON-
SULT-II operation manual, NATS.
+When servicing a malfunction of the NATS (indicated by lighting up of security Indicator Lamp)
or registering another NATS ignition key ID no., it is necessary to re-register original key identi-
fication. Therefore, be sure to receive ALL KEYS from vehicle owner.
NATS (Nissan Anti-Theft System)
EL-3143

Trouble Diagnoses
WORK FLOW
CHECK IN*NOTE: In rare case, ªCHAIN OF ECM-IMMUº might be stored as a self-
diagnostic result during key registration procedure, even if the sys-
tem is not malfunctioning.
Listen to customer complaints or request. (Get symptoms)
NOTE:
If customer reports a ªNo startº condition, request ALL
KEYS to be brought to the Dealer in case of a NATS mal-
function.
TROUBLEKEY SERVICE REQUEST (Additional key ID registration).Verify the security indicator.INITIALIZATION
(Refer to CONSULT-II operation
manual NATS.)
cUsing the CONSULT-II program card for NATS check the
ªSELF-DIAG RESULTSº with CONSULT-II.b
Self-diagnostic results referring to NATS, but no information
about engine self-diagnostic results is displayed on CONSULT-
II.Self-diagnostic results referring to NATS and ªDON'T ERASE
BEFORE CHECKING ENG DIAGº are displayed on CONSULT-
II.
(This means that engine trouble data has been detected in
ECM.)
Turn ignition switch ªOFFº.
Repair NATS.
(If necessary, carry out ªC/U INITIALIZATIONº with CONSULT-
II.*)Turn ignition switch ªOFFº.
Turn ignition switch ªONº.Repair NATS according to self-diagnostic results referring to
NATS.
(If necessary, carry out ªC/U INITIALIZATIONº with CONSULT-
II.*)
Erase the NATS ªSELF-DIAG RESULTSº by using CONSULT-II.
(Touch ªERASEº)Do not erase the NATS ªSELF-DIAG RESULTSº by using
CONSULT-II.
Start the engine.Check the engine ªSELF-DIAG RESULTSº with CONSULT-II by
using the CONSULT-II generic program card.
(Engine diagnostic software included)b
NGVerify no lighting up of the security indicator.
OKRepair engine control system (Refer to EC section.) when self-
diagnostic results except ªNATS MALFUNCTIONº are detected.
When only ªNATS MALFUNCTIONº is detected, erase the self-
diagnostic results and go to the next step.
CHECK OUTStart the engine. Does the engine start properly?
OKNG
Perform running test with CONSULT-II in engine ªSELF-DIAG
RESULTSº mode.Erase the NATS and engine ªSELF-DIAG RESULTSº by using
the CONSULT-II program card for NATS and generic program
card.
NGVerify ªNO DTCº displayed on the CONSULT-II screen.
OKStart the engine.
CHECK OUT
.
.
.
..
.
..
..
..
..
..
..
..
..
.
NATS (Nissan Anti-Theft System)
EL-3149

SYMPTOM MATRIX CHART 1
(Self-diagnosis related item)
SYMPTOMDisplayed ªSELF-DIAG
RESULTSº on CONSULT-II
screen.DIAGNOSTIC PROCE-
DURE
(Reference page)SYSTEM
(Malfunctioning
part or mode)REFERENCE PART NO.
OF ILLUSTRATION ON
DIAGNOSTIC SYSTEM
DIAGRAM
+Security indicator lighting
up*
+Engine does not startECM INT CIRC-IMMUPROCEDURE 1
(EL-3152)ECM B
CHAIN OF ECM-IMMUPROCEDURE 2
(EL-3153)In rare case, ªCHAIN OF
ECM-IMMU might be stored
during key registration
procedure, even if the sys-
tem is not malfunctioning.Ð
Open circuit in battery volt-
age line of IMMU circuitC1
Open circuit in ignition line
of IMMU circuitC2
Open circuit in ground line
of IMMU circuitC3
Open circuit in communica-
tion line between IMMU and
ECMC4
Short circuit between IMMU
and ECM communication
line and battery voltage lineC4
Short circuit between IMMU
and ECM communication
line and ground lineC4
ECM B
IMMU A
DIFFERENCE OF KEYPROCEDURE 3
(EL-3155)Unregistered key D
IMMU A
CHAIN OF IMMU-KEYPROCEDURE 4
(EL-3156)Malfunction of key ID chip E
IMMU A
Open circuit in ground line
of dongle unit circuitC6
Open or short circuit in
communication line between
IMMU and dongle unitC5
Dongle unit G
+Security indicator lighting
up*
+Engine hard to startID DISCORD, IMM-ECMPROCEDURE 5
(EL-3157)System initialization has not
yet been completed.F
ECM B
LOCK MODEPROCEDURE 6
(EL-3158)LOCK MODE D
*: When NATS detects trouble, the security indicator lights up while ignition key is in the ªONº position.
*: When the vehicle is equipped with dongle unit, the security indicator blinks 6 times just after ignition switch is turned to ON. Then
the security indicator will light up while ignition key is in the ON position.
NATS (Nissan Anti-Theft System)
Trouble Diagnoses (Cont'd)
EL-3150