NATS (NISSAN ANTI-THEFT SYSTEM)
BL-79
C
D
E
F
G
H
J
K
L
MA
B
BL
*: When the vehicle is equipped with a dongle unit (RHD models), the security indicator blinks 6 times just after the ignition switch is
turned to ON. Then the security indicator lights up while the ignition key is in the “ON” position.
SYMPTOM MATRIX CHART 2
Non self-diagnosis related item
DIAGNOSTIC SYSTEM DIAGRAM
SYMPTOMDIAGNOSTIC PROCEDURE
(Reference page)SYSTEM
(Malfunctioning part or mode)REFERENCE PART NO. OF
ILLUSTRATION ON SYSTEM
DIAGRAM
Security ind. does not light up.PROCEDURE 6
(BL-85
)Security ind. —
Open circuit between Fuse and
IMMU—
Continuation of initialization
mode—
IMMU A
Security ind. does not blink just
after initialization even if the
vehicle is equipped with don-
gle unit.
PROCEDURE 8
(BL-88
)NATS might be initialized with-
out connecting dongle unit
properly.—
Open circuit in ground line of
dongle unit circuitC6
Security ind. does not blink just
after ignition switch is turned to
ON when some malfunction
related to NATS is detected
even if the vehicle is equipped
with dongle unit.Open or short circuit in commu-
nication line between IMMU
and dongle unitC5
Dongle unit G
SEL028X
BL-80
NATS (NISSAN ANTI-THEFT SYSTEM)
Diagnostic Procedure 1
EIS001T7
Self-diagnostic results:
“ECM INT CIRC-IMMU” displayed on CONSULT-II screen
1. Confirm SELF-DIAGNOSTIC RESULTS “ECM INT CIRC-IMMU”
displayed on CONSULT-II screen. Ref. part No. B.
2. Replace ECM.
3. Perform initialization with CONSULT-II.
For initialization, refer to “CONSULT-II operation manual NATS”.
Diagnostic Procedure 2EIS001T8
Self-diagnostic results:
“CHAIN OF ECM-IMMU” displayed on CONSULT-II screen
1.CONFIRM SELF-DIAGNOSTIC RESULTS
Confirm SELF-DIAGNOSTIC RESULTS “CHAIN OF ECM-IMMU”
displayed on CONSULT-II screen.
NOTE:
In rare case, “CHAIN OF ECM-IMMU” might be stored during key
registration procedure, even if the system is not malfunctioning.
Is CONSULT-II screen displayed as above?
Yes >>GOTO2
No >> GO TOBL-78, "
SYMPTOM MATRIX CHART 1".
2.CHECK POWER SUPPLY CIRCUIT FOR IMMU
1. Disconnect IMMU connector.
2. Check voltage between terminal 8 of IMMU and body ground with CONSULT-II or tester.
OK or NG?
OK >> GO TO 3
NG >> Check the following
l10A fuse (No. 33, located in the fusible link and fuse
box) – (Gasoline engine)
l10A fuse (No. 43, located in the fusible link and fuse
box) – (Diesel engine)
lHarness for open or short between fuse and IMMU
connector
Ref. Part No. C1
SEL152X
SEL292W
: Battery voltage should exist.
SIIA1234E
NATS (NISSAN ANTI-THEFT SYSTEM)
BL-85
C
D
E
F
G
H
J
K
L
MA
B
BL
Diagnostic Procedure 5EIS001TB
Self-diagnostic results:
“ID DISCORD, IMM-ECM” displayed on CONSULT-II screen
1.CONFIRM SELF-DIAGNOSTIC RESULTS
Confirm SELF-DIAGNOSTIC RESULTS “ID DISCORD, IMM-ECM” displayed on CONSULT-II screen.
NOTE:
“ID DISCORD IMMU-ECM”:
Registered ID of IMMU is in discord with that of ECM.
Is CONSULT-II screen displayed as above?
Yes >>GOTO2
No >> GO TOBL-78, "
SYMPTOM MATRIX CHART 1".
2.PERFORM INITIALIZATION WITH CONSULT-II
Perform initialization with CONSULT-II. Re-register all NATS ignition key IDs.
For initialization, refer to “CONSULT-II operation manual NATS”.
NOTE:
If the initialization is not completed or fails, CONSULT-II shows
above message on the screen.
Can the system be initialized?
Ye s > >lStart engine. (END)
l(System initialization had not been completed.Ref.
pa rt N o. B)
No >>
lECM is malfunctioning.
lReplace ECM.Ref. part No. B
lPerform initialization with CONSULT-II.
lFor initialization, refer to “CONSULT-II operation manual NATS”.
Diagnostic Procedure 6EIS001TC
“SECURITY INDICATOR LAMP DOES NOT LIGHT UP”
1.CHECK FUSE
Check 10A fuse [No. 28, located in the fuse block (J/B)].
Is 10A fuse OK?
Yes >>GOTO2
No >> Replace fuse.
SEL958W
SEL297W
BRC-18
[4WD/ABS]
TROUBLE DIAGNOSIS
Trouble Diagnosis Chart by Symptom
EFS001BF
When ABS and 4WD warning lamps illuminate, perform self-diagnosis.
Symptom Condition Check items Reference page
When ignition switch is turned ON,
drive mode indicator lamp does not illu-
minate for Approx. 1 second (drive
mode lamp check)IGN-ON
lBlown drive mode indicator lamp bulb
lBlown fuse between ignition and drive mode
indicator lamp
lOpen circuit of wiring between ignition and
drive mode indicator lampBRC-42
ABS warning lamp does not illuminate
with ignition ON. (ABS warning lamp
check)IGN-ON
lBlown ABS warning lamp bulb
lBlown fuse between ignition and ABS warning
lamp.
lOpen circuit of wiring between ignition and
ABS warning lamp.
lMalfunction in ABS systemBRC-42
ABS warning lamp illuminates with
ignition ON, but does not illuminates
after a few seconds. (ABS warning
lamp has not illuminated.)IGN-ONl4WD/ABS control unit connector discon-
nected
lMalfunction in ABS systemBRC-42
4WD warning lamp does not illuminate
with ignition ON.IGN-ON
lBlown 4WD warning lamp bulb
lBlown fuse between ignition and 4WD warn-
ing lamp
lOpen circuit in wire between ignition and 4WD
warning lamp
lOpen circuit in wire between 4WD warning
lamp and 4WD actuator relay
lDisconnected 4WD actuator relay
lOpen circuit in wire between 4WD actuator
relay and body groundBRC-43
4WD warning lamp does not go out
several seconds after engine is started.
(Drive mode indicator lamp goes out.)Engine runningl4WD/ABS control unit connector discon-
nected
lMalfunction present in 4WD systemBRC-43
Heavy tight-corner braking symptom
occurs when vehicle is driven in the fol-
lowing conditions: AUTO mode and
steering wheel is turned fully to either
sides after engine is started (Note 1,
Note 2).lEngine run-
ning
lAUTO mode
lSteering
wheel fully
turned
lOperation is not in AUTO mode (in 2WD or
LOCK mode).
lThrottle position signal error
lMechanical malfunction of electronically con-
trolled coupling
lMalfunction present in 4WD systemBRC-44
Drive modes cannot be switched after
engine is started.Engine running
lDrive mode change-over switch is discon-
nected.
lOpen circuit between drive mode change-over
switch and 4WD /ABS control unit
lOpen circuit between drive mode change-over
switch and body groundBRC-45
Vehicle running, 4WD warning lamp
flashes rapidly. (When it flashes for
Approx. One minute, then does not illu-
minate.) Rapid flashing: Two times
flashing per 1 secondEngine running
(to other than
2WD mode)Protection function was activated due to heavy
load to electronically controlled coupling. (4WD
system is not malfunctioning.)BRC-45
DI-56
WARNING CHIME
Symptom Chart
EKS002XQ
Power Supply and Ground Circuit CheckEKS002YF
1.POWER SUPPLY CIRCUIT CHECK
1. Disconnect time control unit connector.
2. Check the following.
OK or NG
OK >> GO TO 2
NG >>
l10A fuse [ NO.28, located in fuse block (J/B)].
l10A fuse [ NO.5, located in fuse block (J/B)].
lCheck harness for open or short between time control unit and fuse.
Symptom Diagnoses/ Service procedure Reference page
Light warning chime does not activate.
lPower supply and ground circuit checkDI-56, "
Power Supply
and Ground Circuit
Check"
lLighting switch checkDI-57, "Lighting Switch
Input Signal Check"
lFront door switch (driver side) checkDI-59, "
Front Door
Switch (driver side)
Check"
Key warning chime does not activate.
lPower supply and ground circuit checkDI-56, "
Power Supply
and Ground Circuit
Check"
lKey switch insert signal checkDI-57, "Key Switch Insert
Signal Check"
lDoor unlock sensor checkDI-58, "Door Unlock Sen-
sor Check"
lFront door switch (driver side) checkDI-59, "
Front Door
Switch (driver side)
Check"
All warning chimes do not activate.
lPower supply and ground circuit checkDI-56, "
Power Supply
and Ground Circuit
Check"
lFront door switch (driver side) checkDI-59, "
Front Door
Switch (driver side)
Check"
Terminals IgnitiOn switch position
(+)
(–) OFF ACC ON
ConnectorTe r m i n a l
(Wire color)
M46 1(L/B) GroundBattery
voltageBattery
voltageBattery
voltage
M46 17(G) Ground 0V 0VBattery
voltage
SKIA0994E
ILLUMINATION
LT-45
C
D
E
F
G
H
I
J
L
MA
B
LT
ILLUMINATIONPFP:27545
System DescriptionEKS003C7
Power is supplied at all times
lthrough 10A fuse [No. 31, located in the fuse and fusible link box]
lto lighting switch terminal 11.
The lighting switch must be in the 1ST or 2ND position for illumination.
The following chart shows the power and ground connector terminals for the components included in the illu-
mination system.
Component Connector No. Power terminal Ground terminal
Headlamp washier switch M23 3 4
Headlamp aiming switch M24 3 4
Door mirror remote control
switchM26 10 1
VDC off switch M25 3 4
Hazard switch M51 7 8
4WD mode switch M39 4 3
Rear window defogger switch M50 5 6
A/C auto amp. M52 12 11
Combination meter
(LHD models)M46 56 66
Combination meter
(RHD models)M46 45 56
Audio M42 2 1
CD auto changer M82 34 35
Heater control panel M55 2 6
A/T device M58 3 4
Cigarette lighter M56 3 2
Heated seat switch LH
(LHD models)B131 5 6
Heated seat switch RH
(LHD models)B132 5 6
Heated seat switch LH
(RHD models)B35 5 6
Heated seat switch RH
(RHD models)B34 5 6
TROUBLE DIAGNOSIS
TF-41
C
E
F
G
H
I
J
K
L
MA
B
TF
Trouble diagnosis chart by symptomEDS0 00 IT
Symptom Condition Check items Reference page
When ignition switch is turned ON,
4WD mode indicator lamp does not
illuminate for approx. 1 second (4WD
mode lamp check)IGN-ON
lBlown 4WD mode indicator lamp bulb
lBlown fuse between ignition and 4WD mode
indicator lamp
lOpen circuit in wiring between ignition and
4WD mode indicator lampTF-54, "
4WD
INDICATOR
LAMP DOSE
NOT COME ON
FOR APPROXI-
MATELY 1
SECOND
WHEN THE
IGNITION
SWITCH IS
TURNED TO
ON"
4WD warning lamp does not illuminate
with ignition switch ON.IGN-ON
lMalfunction 4WD warning lamp circuit.
lBlown fuse between ignition and 4WD warn-
ing lamp
lOpen circuit in wiring between ignition and
4WD warning lamp
lOpen circuit in wiring between 4WD warning
lamp and 4WD actuator relay
lDisconnected 4WD actuator relay
lOpen circuit in wiring between 4WD actuator
relay and body groundTF-55, "
4WD
WAR NIN G
LAMP DOES
NOT ILLUMI-
NATE WITH
IGNITION ON"
4WD warning lamp does not go out
several seconds after engine is started.
(4WD mode indicator lamp goes out.)Engine runningl4WD control unit connector disconnected
lMalfunction presented in 4WD systemTF-55, "
4WD
WAR NIN G
LAMP DOES
NOT GO OUT
SEVERAL SEC-
ONDS AFTER
ENGINE
STARTED.(4W
DMODEINDI-
CATOR LAMP
GOES OUT)"
Heavy tight-corner braking symptom
occurs when vehicle is driven in the fol-
lowing conditions: AUTO mode and
steering wheel is turned fully to either
sides after engine is started (Note 1,
Note 2).lEngine running
lAUTO mode
lSteering wheel
fully turned
lOperation is not in AUTO mode (in 2WD or
LOCK mode).
lThrottle position signal error
lMechanical malfunction of electronically con-
trolled coupling
lMalfunction present in 4WD systemTF-56, "
HEAVY
TIGHT-COR-
NER BRAKING
SYMPTOM
OCCURS
WHEN THE
VEHICLE IS
DRIVEN IN
AUTO MODE
AND THE
STEERING
WHEEL IS
TURNED
FULLY TO
EITHER SIDE
AFTER THE
ENGINE IS
STARTED"
4WD mode cannot be switched after
engine is started (Note 3)Engine running
l4WD mode change-over switch is discon-
nected.
lOpen circuit between 4WD mode change-
over switch and 4WD control unit
lOpen circuit between 4WD mode change-
over switch and body groundTF-57, "
4WD
MODES CAN-
NOT BE
SWITCHED
AFTER
ENGINE IS
STARTED"