Nissan Murano: Precautions when starting and driving / Three-way catalyst
The three-way catalyst is an emission control
device installed in the exhaust system.
Exhaust gases in the three-way catalyst
are burned at high temperatures to help
reduce pollutants.
WARNING
- The exhaust gas and the exhaust system
are very hot. Keep people, animals
or flammable materials away
from the exhaust system
components.
- Do not stop or park the vehicle over
flammable materials such as dry
grass, waste paper or rags. They may
ignite and cause a fire.
CAUTION
- Do not use leaded gasoline. Deposits
fromleaded gasoline will seriously reduce
the three-way catalyst’s ability
to help reduce exhaust pollutants.
- Keep your engine tuned up. Malfunctions
in the ignition, fuel injection, or
electrical systems can cause overrich
fuel flow into the three-way catalyst,
causing it to overheat. Do not keep
driving if the engine misfires, or if noticeable
loss of performance or other
unusual operating conditions are detected.
Have the vehicle inspected
promptly. It is recommended that you
visit a NISSAN dealer for this service.
- Avoid driving with an extremely low
fuel level. Running out of fuel could
cause the engine to misfire, damaging
the three-way catalyst.
- Do not race the engine while warming
it up.
- Do not push or tow your vehicle to
start the engine.
WARNING
Do not breathe exhaust gases; they
contain colorless and odorless carbon
monoxide. Carbon monoxide is dangerous.
It can cause unconsciousness
or death...
Each tire, including the spare (if provided),
should be checked monthly when cold and
inflated to the inflation pressure recommended
by the vehicle manufacturer on
the vehicle placard or tire inflation pressure
label...
Other information:
Towing your vehicle with all four wheels on
the ground is sometimes called flat towing.
This method is sometimes used when
towing a vehicle behind a recreational vehicle,
such as a motor home.
CAUTION
Failure to follow these guidelines can
result in severe transmission damage...
System Description
SYSTEM DIAGRAMSYSTEM DESCRIPTIONThe ECM controls the engine mount operation corresponding to the engine speed. The control system has a 2-step control [Soft/Hard] Vehicle condition Engine mount control
Engine speed: Below 950 rpm
Soft
Engine speed: Above 950 rpm
Hard
ELECTRONIC CONTROLLED ENGINE MOUNT LINE DRAWING
Electronic controlled engine mount control solenoid valve
Intake manifold collector
: From next figure
Front electronic controlled engine mount
Rear electronic controlled engine mount
: To previous figure
NOTE:
Do not use soapy water or any type of solvent while installing vacuum hose...