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Pressure Regulating Flap Vacuum Transducer (Y31/2)








Position
Model 202 except 202.128/188







Model 202.128/188






Model 210






Model 202 up to 11/94






Model 202 as of 12/94, model 210


Task
Controlling vacuum to pressure-regulating flap vacuum unit

Function
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 to connection (3)
- No signal from control module:
Connections (1) and (3) linked - air admitted to pressure-regulating flap vacuum unit