Pressure regulating flap vacuum transducer function - GF07.17-P-3158-02HA

Model 202 as of 12/94, model 210 

Fig 1: Identifying Pressure Regulating Flap Vacuum Transducer Function

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

The pressure regulating flap vacuum transducer (Y31/2) is actuated by the engine control module with a variable current.

• Signal from control module: 

  Controlled vacuum at connection (3)

• No signal from control module 

  Connections (1) and (3) linked - air is admitted to the pressure regulating flap vacuum transducer