CMP Actuator Magnet

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Fig 1: View Of CMP Actuator Magnet & Components

Courtesy of GENERAL MOTORS CORP.

The CMP actuator magnet (752) is located in the engine front cover and is sealed by a gasket (753). The CMP actuator magnet is controlled by a 12-volt 150 Hz pulse width 0-100 percent duty cycle signal from the ECM. When energized, the solenoid uses electromagnetic force on the magnet pintle to position the spool valve of the CMP solenoid valve.