V50 L5-2.4L VIN 39 B5244S7 (2005)
5: Piston with slits
6: Return spring
A: Channel leading to chamber A1 in the CVVT unit
B: Channel leading to chamber B1 in the CVVT unit
C: Channel for oil (pressure)
D: Channel for oil (return)
The camshaft reset valve controls the oil flow to the continuous variable valve timing (CVVT) unit. The engine control module (ECM) uses a pulse
width modulation (PWM) signal to control the valve. See also: Design See: Powertrain Management/Computers and Control Systems/Description and
Operation/Engine Control Module (ECM)/Design
Control takes place as follows when deploying the camshaft
