volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Repairing parts of exhaust gas recirculation system > < Checking secondary air inlet valve N112
Exhaust gas recirculation system
Exhaust gas recirculation system
  Note
t  The function and regulation of the exhaust gas recirculation system is checked by the self-diagnosis of the Simos control unit -J361-.
t  Pulsed control enables every conceivable valve position.
t  Checking exhaust gas recirculation valve -N18- → engine mixture preparation; Rep. Gr.01.
t  The exhaust gas recirculation valve -N18- with its cone shaped plunger ensures that various cross sectional openings are possible at different plunger lifts.
t  Components marked with * are checked via the self-diagnosis. → Engine mixture preparation; Rep. Gr.01
t  Components marked with * are checked via the final control control diagnosis → Engine mixture preparation; Rep. Gr.01
Repairing parts of exhaust gas recirculation system → Chapter
Checking exhaust gas recirculation potentiometer -G212- → Chapter.
   

Repairing parts of exhaust gas recirculation system > < Checking secondary air inlet valve N112