L322 Range Rover System Description and Operation
ENGINE MANAGEMENT SYSTEM – V8
DESCRIPTION AND OPERATION 18-2-47
At maximum PWM control, 100% oil flow is directed to the front surface of the piston pushing it rearward to maximum
advance.
Maximum Advance Position
Varying the pulse width (on time) of the solenoids control signals proportionately regulates the oil pressures on each
side of the pistons to achieve the desired VCC advance angle.
M18 0833