Denso CRS - Injector Construction and Types (X1, X2, G2)

Operation Section
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5.2 Injector Construction and Features
z The injector consists of a nozzle similar to the conventional "nozzle & nozzle holder", an orifice that controls the injection
rate, the command piston, and a TWV (two-way solenoid valve). The basic construction is the same for the X1, X2, and
G2 types.
(1) X1 Type
• Precision control is attained through electronic control of the injection. The TWV comprises two valves: the inner valve
(fixed) and the outer valve (movable).
Q000863E
Nozzle
Command Piston
TWV
Solenoid
Orifice 1 Orifice 2
Inner Valve
Outer Valve