Nissan Terrano model r20 series 2004. Manual — part 2
Observe the following precautions to ensure safe and proper
servicing. These precautions are not described in each indi-
vidual section.
1. Do not operate the engine for an extended period of time with-
out proper exhaust ventilation.
Keep the work area well ventilated and free of any inflammable
materials. Special care should be taken when handling any
inflammable or poisonous materials, such as gasoline, refriger-
ant gas, etc. When working in a pit or other enclosed area, be
sure to properly ventilate the area before working with hazard-
ous materials.
Do not smoke while working on the vehicle.
2. Before jacking up the vehicle, apply wheel chocks or other tire
blocks to the wheels to prevent the vehicle from moving. After
jacking up the vehicle, support the vehicle weight with safety
stands at the points designated for proper lifting and towing
before working on the vehicle.
These operations should be done on a level surface.
3. When removing a heavy component such as the engine or
transaxle/transmission, take care not to lose your balance and
drop it. Also, do not allow it to strike adjacent parts, especially
the brake tubes and master cylinder.
4. Before starting repairs which do not require battery power,
always turn off the ignition switch, then disconnect the ground
cable from the battery to prevent accidental short circuit.
5. To prevent serious burns, avoid contact with hot metal parts
such as the radiator, exhaust manifold, tail pipe and muffler. Do
not remove the radiator cap when the engine is hot.
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6. Before servicing the vehicle, protect fenders, upholstery and
carpeting with appropriate covers.
Take caution that keys, buckles or buttons on your person do
not scratch the paint.
7. Clean all disassembled parts in the designated liquid or solvent
prior to inspection or assembly.
8. Replace oil seals, gaskets, packings, O-rings, locking washers,
cotter pins, self-locking nuts, etc. with new ones.
9. Replace inner and outer races of tapered roller bearings and
needle bearings as a set.
10. Arrange the disassembled parts in accordance with their
assembled locations and sequence.
11. Do not touch the terminals of electrical components which use
microcomputers (such as electronic control units).
Static electricity may damage internal electronic components.
12. After disconnecting vacuum or air hoses, attach a tag to indi-
cate the proper connection.
13. Use only the lubricants specified in MA section.
14. Use approved bonding agent, sealants or their equivalents
when required.
15. Use tools and recommended special tools where specified for
safe and efficient service repairs.
16. When repairing the fuel, oil, water, vacuum or exhaust systems,
check all affected lines for leaks.
17. Dispose of drained oil or the solvent used for cleaning parts in
an appropriate manner.
Supplemental Restraint System (SRS) “AIR
BAG” and “SEAT BELT PRE-TENSIONER”
(Dual Air Bag System)
The Supplemental Restraint System “Air Bag” and “Seat Belt Pre-
tensioner”, used along with a seat belt, help to reduce the risk or
severity of injury to the driver and front passenger in a frontal col-
lision. The Supplemental Restraint System consists of air bag mod-
ules (located in the center of the steering wheel and on the instru-
ment panel on the passenger side), seat belt pre-tensioners, a
diagnosis sensor unit, warning lamp, wiring harness and spiral
cable.
WARNING:
I
To avoid rendering the SRS inoperative, which could
increase the risk of personal injury or death (in the event
of a collision which would result in air bag inflation), all
maintenance must be performed by an authorized NISSAN
dealer.
I
Improper maintenance, including incorrect removal and
installation of the SRS, can lead to personal injury caused
by unintentional activation of the system.
I
Do not use electrical test equipment on any circuit related
to the SRS unless instructed to do so in this Service
Manual. SRS wiring harnesses are covered with yellow
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insulation (either just before the harness connectors or for
the complete harness), for easy identification.
Precautions for NATS
NATS (Nissan Anti-Theft System)
NATS will immobilize the engine if someone tries to start it without
the registered key of NATS.
Both of the originally supplied ignition key IDs have been NATS
registered.
The NATS security indicator is located on the instrument panel. The
indicator blinks when the ignition switch is in “OFF” or “ACC” posi-
tion. Therefore, NATS warns outsiders that the vehicle is equipped
with the anti-theft system.
I
When NATS detects trouble, the malfunction indicator lamp
(MIL) blinks.
This blinking indicates that the anti-theft is not functioning, so
prompt service is required.
I
If the malfunction indicator lamp comes on while the engine is
running, return the vehicle to the workshop before turning the
ignition switch “OFF”.
Once the ignition switch is turned “OFF”, the engine can not be
started.
I
When servicing NATS (trouble diagnoses, system initialization
and additional registration of other NATS ignition key IDs) CON-
SULT-II hardware and CONSULT-II NATS software is neces-
sary.
Regarding the procedures of NATS initialization and NATS igni-
tion key ID registration, refer to CONSULT-II operation manual,
NATS.
Therefore, CONSULT-II NATS software (program card and
operation manual) must be kept strictly confidential to main-
tain the integrity of the anti-theft function.
I
When servicing NATS (trouble diagnoses, system initialization
and additional registration of other NATS ignition key IDs), it
may be necessary to re-register original key identification.
Therefore, be sure to receive all keys from vehicle owner.
A maximum of five key IDs can be registered into NATS.
I
When failing to start the engine first-time using the key of
NATS, starts as follows:
(1) Turn ignition key to “OFF”.
(2) Wait approx. 5 seconds.
(3) Turn ignition key to “START” again while keeping the key
apart from any others on key-chain.
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BAG” and “SEAT BELT PRE-TENSIONER”
(Dual Air Bag System) (Cont’d)
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Precautions for Multiport Fuel Injection System
or Engine Control System
1. Before connecting or disconnecting any harness connector for
the multiport fuel injection system or ECM (Engine Control
Module):
Turn ignition switch to “OFF” position.
Disconnect negative battery terminal.
Otherwise, there may be damage to ECM.
2. Before disconnecting pressurized fuel line from fuel pump to
injectors, be sure to release fuel pressure to eliminate danger.
3. Be careful not to jar components such as control unit and air
flow meter.
Precautions for Catalyst
If a large amount of unburned fuel enters the converter, the con-
verter temperature will rise to excessively high values. To prevent
this, follow the procedure below:
1. Use unleaded gasoline only. Leaded gasoline will seriously
damage the catalytic converter.
2. When checking for ignition spark or measuring engine
compression, perform tests quickly and only when necessary.
3. Do not run engine when the fuel tank level is low, as a result
the engine may misfire causing damage to the converter.
4. Do not place the vehicle on inflammable material. Keep inflam-
mable material off the exhaust pipe.
Precautions for Turbocharger
The turbocharger turbine revolves at extremely high speeds and
becomes very hot. Therefore, it is essential to maintain a clean
supply of oil flowing through the turbocharger and to follow all
required maintenance instructions and operating procedures.
For proper operation of the system, follow the procedure below:
1. Always use the recommended oil. Follow the instructions for
proper time to change the oil and proper oil level.
2. Avoid accelerating engine to a high rpm immediately after start-
ing.
3. If engine had been operating at high rpm for an extended period
of time, let it idle for a few minutes prior to shutting it off.
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