Purpose, Function
Prevents fuel from flowing into the evaporative gas passage during sudden cornering or vehicle rollover.
Construction
The rollover valve is built into the fuel tank.
U.S.A. and CANADA

Except U.S.A. and CANADA

The rollover valve consists of a float, O-ring and spring.

Operation
The rollover valve utilizes a combination of float weight, spring force, and buoyancy. When the float is immersed in the fuel, the float (valve) closes to block the sealing surface of the passage.

Quick Release Connector (Emission System)
Warm Up Three Way Catalytic Converter (Wu Twc) InspectionPositive Crankcase Ventilation (PCV) Valve
Purpose, Function
Prevents release of blow-by gas (unburnt gas) into the atmosphere.
The PCV valve is open/closed by the intake manifold vacuum.
Construction
The PCV valve is installed to the oil separator.
The PCV valve consists of a spring and valve.
...
Oil Jet Valve
Purpose, Function
The oil jet valve injects engine oil on the back of the piston to cool the
piston.
Construction
The oil jet valve is installed into the cylinder block.
The oil jet valve is built into the check ball and spring.
Operation
1. When ...
Engine Transaxle Integration Control [Fw6 A EL, Fw6 Ax EL]
Outline
The TCM controls engine output torque and reduces transaxle output shaft
torque fluctuation during auto shifting, and reduces shock occurring from the
vehicle during shifting.
Construction
Operation
During auto shifting, the TCM sends the torque reduction reque ...