Nissan Juke Service and Repair Manual : Structure and operation
Positive Crankcase Ventilation
This system returns blow-by gas to the intake manifold.
The positive crankcase ventilation (PCV) valve is provided to conduct crankcase blow-by gas to the intake manifold.
During partial throttle operation of the engine, the intake manifold sucks the blow-by gas through the PCV valve.
Normally, the capacity of the valve is sufficient to handle any blow-by and a small amount of ventilating air.
The ventilating air is then drawn from the air inlet tubes into the crankcase. In this process the air passes through the hose connecting air inlet tubes to rocker cover.
Under full-throttle condition, the manifold vacuum is insufficient to draw the blow-by flow through the valve.
The flow goes through the hose connection in the reverse direction.
On vehicles with an excessively high blow-by, the valve does not meet the requirement. This is because some of the flow will go through the hose connection to the air inlet tubes under all conditions.
Engine control system
Engine control system : Component Parts Location
ENGINE ROOM COMPARTMENT
1. Boost control actuator
2. Turbocharger boost control solenoid
valve
3. A/F sensor 1
4. Recirculation valve
5. EV ...
System
...
Other materials:
Engine stand setting
Preparing the engine to be on the stand
Before the engine is mounted on the engine sub-attachment, the engine's
electrical harness must be removed
and the engine oil drained.
1. Remove the multifunction support.
2. Remove the coolant inlet pipe on the water pump.
3. Place the rods (A), ...
B261A Push-button ignition switch
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B261A is displayed with DTC U1000, first perform the trouble diagnosis
for DTC U1000. Refer to
BCS-83, "DTC Logic".
• If DTC B261A is displayed with DTC U1010, first perform the trouble diagnosis
for DTC U1010. Refer to
BCS-84, "D ...
Flushing
1. Install reservoir tank if removed and radiator drain plug.
CAUTION:
Be sure to clean drain plug and install with new O-ring.
Radiator drain plug : Refer to CO-42, "Exploded View".
• If water drain plugs on cylinder block are removed, close and tighten them.
Refer to EM-228, &quo ...
