Charge pressure control vacuum transducer function - GF07.17-P-3160-02H

Illustration shows:

Fig 1: Identifying Charge Pressure Control Vacuum Transducer Function

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

The boost pressure control vacuum transducer (Y31/5) is actuated by the engine control unit with a variable current.

• Signal from control unit: 

  Controlled vacuum to connection (3)

• No signal from control unit: 

  Connection (1) and (3) connected - vacuum control unit of boost pressure control ventilated