GL 320 CDI (164.822) V6-3.0L DSL Turbo (642.940) (2008)
Electronic Throttle Actuator: Description and Operation
GF30.20-P-2020P Throttle Valve Actuator, Component Description
Location
The throttle valve actuator is located on the engine at the right front.
Task
The throttle valve actuator regulates the fresh air quantity and mixes the recirculated exhaust with fresh air.
Function
The throttle valve actuator is actuated by the CDI control unit (N3/9) over a pulse width modulation signal and controls the fresh air quantity via the
installed throttle valve.
Through connection of the exhaust gas recirculation with the mixing throttle, the suctioned fresh air is mixed with the recirculated exhaust.