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.

Component parts
Engine control system : Component Parts Location
1. IPDM E/R
Refer to PCS-5, "Component Parts
Location".
2. Battery current sensor
(with battery temperature sensor)
3. Mass air flow ...
System
Engine control system : System Diagram
Engine control system : System Description
ECM performs various controls such as fuel injection control and ignition
timing control.
MULTIPORT FUEL INJE ...
Other materials:
Power supply and ground circuit
Diagnosis Procedure
1.CHECK FUSES AND FUSIBLE LINK
Check that the following IPDM E/R fuses or fusible links are not blown.
Is the fuse fusing?
YES >> Replace the blown fuse or fusible link after repairing the affected
circuit if a fuse or fusible link is
blown.
NO >> GO TO 2. ...
P1632 fuel cut off valve
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.CHECK FUEL CUT OFF VALVE POWER SUPPLY CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect fuel cut off valve harness connector.
3. Turn ignition switch ON.
4. Check the voltage between fuel cut off valve harness connector ...
Mainshaft and gear
Exploded View
1. Mainshaft front bearing outer
race
2. Mainshaft front bearing inner race
3. Mainshaft
4. 1st main gear
5. 1st inner baulk ring
6. 1st synchronizer cone
7. 1st outer baulk ring
8. Spread spring
9. 1st-2nd synchronizer hub
10. 1st-2nd coupling sleeve
11. 2nd outer ...
