NISSAN TERRANO 2002 Service Repair Manual

DIAGNOSTIC PROCEDURE 6
ªSECURITY INDICATOR LAMP DOES NOT LIGHT UPº
Check 10A fuse (No.16 , located in the
fuse block).
OK
ENG
Replace fuse.
NATS INITIALISATION
1) Install the 10A fuse.
2) Perform initialisation with CON-
SULT-II.
For the operation of initialisation,
refer to ªCONSULT-II operation
manual NATSº.
Turn ignition switch ªOFFº.
Start engine and turn ignition switch
ªOFFº.
Check the security ind. lighting.
NG
EOK
INSPECTION END
Check voltage between combination meter
connector terminalq
27and ground.
Voltage: Battery voltage
OK
ENG
Check harness for open or
short between fuse and
combination meter.
CHECK SECURITY INDICATOR LAMP.
OK
ENG
Repair or replace combina-
tion meter.
CHECK NATS IMMU FUNCTION.
1. Connect NATS IMMU connector.
2. Disconnect combination meter connec-
tor.
3. Check continuity between NATS IMMU
terminalq
5and ground.
Continuity should exist intermit-
tently.
OK
ENG
NATS IMMU is malfunc-
tioning. Replace IMMU.
Perform initialisation
with CONSULT-II.
For the operation of
initialisation, refer to
ªCONSULT-II opera-
tion manual NATSº.
Check harness for open or short between
combination meter and NATS IMMU.
YEL330D
YEL331D
H
H
H
H
H
H
H
H
H
NATS (Nissan Anti-Theft System)
Trouble Diagnoses (Cont'd)
EL-205

DIAGNOSTIC PROCEDURE 7
Self-diagnostic results:
ªLOCK MODEº displayed on CONSULT-II screen
Confirm SELF-DIAGNOSTIC
RESULTS ªLOCK MODEº is dis-
played on CONSULT-II screen.
1. Turn the ignition switch to OFF posi-
tion.
2. Turn the ignition key switch to ON posi-
tion with a registered key.
(Do not start engine.) Wait for 5 sec-
onds.
3. Return the key to the OFF position.
4. Repeat steps 2 and 3 twice (total of
three cycles).
5. Start the engine.
Can the engine start?
No
EYe s
System is OK.
(Now the system is
escaped from ªLOCK
MODEº.)
CHECK NATS IMMU INSTALLATION.
Refer to ªHow to Replace NATS IMMUº in
EL-208.
OK
ENG
Reinstall NATS IMMU cor-
rectly.
PERFORM INITIALISATION.
Perform initialisation with CONSULT-II.
For the initialisation procedure, refer to
ªCONSULT-II operation manual NATSº.
Can the system be initialized?
Note: If the initialisation is incompleted or
failed, CONSULT-II shows
mes-
sage on the screen.
No
EYe s
System is OK.
Go to DIAGNOSTIC PROCEDURE 4,
EL-202 to check ªCHAIN OF IMMU-KEYº.
YEL484B
YEL479B
H
H
H
H
NATS (Nissan Anti-Theft System)
Trouble Diagnoses (Cont'd)
EL-206

DIAGNOSTIC PROCEDURE 8
Perform initialization with CONSULT-II
Check the following harness connector
connection.
M720
Then initialize NATS. For the operation of
initialization, refer to ªCONSULT-II opera-
tion manual NATSº.
Does the security indicator blink just
after the initialization?
No
EYe s
System is OK.
(The malfunction is caused
by improper connector
connection.)
CHECK GROUND CIRCUIT FOR
DONGLE UNIT.
Check continuity between dongle control
unit terminalq
3and ground.
Continuity should exist.
Ye s
ENo
Repair harness.
CHECK INTERFACE CIRCUIT.
1. Check continuity between IMMU termi-
nalq
2and dongle control unit terminal
q
5(Open circuit check)
Continuity should exist.
2. Check continuity between IMMU termi-
nalq
2and ground. (Short circuit check)
Continuity should not exist.
Ye s
ENo
Repair harness.
Dongle unit is malfunctioning.
1. Replace dongle control unit.
2. Perform initialisation with CONSULT-II.
For the initialisation procedure, refer to
ªCONSULT-II operation manual NATSº.
YEL332D
YEL333D
YEL334D
H
H
H
NATS (Nissan Anti-Theft System)
Trouble Diagnoses (Cont'd)
EL-207

How to Replace NATS IMMU
NOTE:
IIf NATS IMMU is not installed correctly, NATS system will
not operate properly and SELF-DIAG RESULTS on CON-
SULT-II screen will show ªLOCK MODEº or ªCHAIN OF
IMMU-KEYº.
SEL096WA
NATS (Nissan Anti-Theft System)
EL-208

Components Parts and Harness Connector
Location
YEL335D
THEFT WARNING SYSTEM
EL-209

System Description
OPERATION FLOW
The SECURITY indicator can be operated by both the IMMU (for NATS) and the TCU (for Theft Warning). The
flow chart shows both operations.
NEL624
THEFT WARNING SYSTEM
EL-210

SETTING THE THEFT WARNING SYSTEM
Initial condition
(1) Close all doors.
(2) Close hood.
Pre-armed phase and armed phase
The theft warning system turns into the ªpre-armedº phase when hood and all doors are closed and locked by
key or multi-remote controller. (The security indicator lamp blinks intermittently for 30 seconds.)
After about 30 seconds, the system automatically shifts into the ªarmedº phase (the system is set).
CANCELING THE SET THEFT WARNING SYSTEM
When the following (a) or (b) operation is performed, the armed phase is canceled.
(a) Unlock the doors with the multi-remote controller.
(b) Insert key in ignition key cylinder and turn it to ON. Then NATS IMMU will send a disarm signal to the time
control unit.
ACTIVATING THE ALARM OPERATION OF THE THEFT WARNING SYSTEM
Make sure the system is in the armed phase. When the following operation (a) (b) (c) or (d) is performed, the
system sounds the horns and flashes the hazard lamp for about 30 seconds.
(a) Engine hood or any door is opened before unlocking door with the multi-remote controller.
(b) A door is unlocked without using the multi-remote controller.
(c) The ignition is switched ON without using a NATS registered key.
(d) The ultrasonic sensing is triggered.
POWER SUPPLY AND GROUND CIRCUIT
Power is supplied at all times.
IThrough 10A fuse [No.
16, located in the fuse block (J/B)]
Ito combination meter (security indicator lamp) terminalq
27.
Power is supplied at all times
Ithrough 10A fuse [No.
5, located in the fuse block (J/B)]
Ito time control unit terminal
U09.
With the ignition switch in the ON or START position, power is supplied
Ithrough 10A fuse [No.
26, located in the fuse block (J/B)]
Ito time control unit terminal
U01.
Ground is supplied
Ito time control unit terminal
U16
Ithrough body groundsF36andF47(LHD models), orM33andM754(RHD models).
INITIAL CONDITION TO ARM THE SYSTEM
The operation of the theft warning system is controlled by all the doors and hood.
To activate the theft warning system, the time control unit must receive signals indicating all the doors and
hood are closed and the doors are locked.
When a door is open, time control unit terminal
U06orU07receives a ground signal from each door switch.
When a door is unlocked, time control unit terminal
U25,U35orU36receives a ground signal from each door
unlock sensor.
When the hood is open, time control unit terminal
U32receives a ground signal
Ifrom the hood switch
Ithrough body grounds
M33andM754.
THEFT WARNING SYSTEM
System Description (Cont'd)
EL-211

THEFT WARNING SYSTEM ARMING (With key or remote controller used to lock doors)
If the key is used to lock doors, time control unit terminalU29receives a ground signal
Ifrom terminalq
2of the key cylinder switch
Ithrough body grounds
B18andB10.
If this signal or lock signal from remote controller is received by the time control unit, the theft warning sys-
tem will arm automatically.
When arming the theft warning system, time control unit terminal
U18supplies ground intermittently to termi-
nalq
40of the combination meter. The security lamp will blink intermittently for approximately 30 seconds (and
then blink every 2.6 seconds, due to NATS).
Now the theft warning system is in armed phase.
THEFT WARNING SYSTEM ALARM OPERATION
The theft warning system is triggered by
Iopening a door
Iopening back door
Iopening the hood
Iunlocking door without using the multi-remote controller
Iswitching the ignition ON without a NATS registered key
Itriggering the ultrasonic sensors
Once the theft warning system is in armed phase, if the time control unit receives a signal at terminal
U25,
U35,U36(door unlock sensor),U06,U07(door switch),U32(hood switch), orU17(ultrasonic sensor) the theft
warning system will be triggered. The hazard lamps flash and the horn sounds intermittently.
Power is supplied at all times
Ithrough 10A fuse [No.
16, located in the fuse block (J/B)]
Ito theft warning horn relay.
If the theft warning system is triggered, ground is supplied
Ifrom terminal
U43of the time control unit
Ito theft warning horn relay.
The hazard lamps flash and the horn sounds intermittently.
The alarm automatically turns off after 30 seconds but will reactivate if the vehicle is tampered with again, or
if the initial cause remains present.
THEFT WARNING SYSTEM ALARM DISARMING
The theft warning system alarm operation can be deactivated by either unlocking the vehicle with the remote
controller, or turning the ignition to the ªONº position with a registered NATS key.
THEFT WARNING SYSTEM
System Description (Cont'd)
EL-212

Theft Warning System/Schematic
YEL170D
THEFT WARNING SYSTEM
EL-213

Wiring Diagram Ð THEFT Ð
LHD MODELS
YEL171D
THEFT WARNING SYSTEM
EL-214