volkswagen Workshop Repair Guides

Volkswagen Golf Workshop Service and Auto Repair Manuals

Checking and adjusting idling switch (engine code: DX and KT 08.84 >) > < Checking cold acceleration enrichment (engine code: DX and KT 08.84 >)
K-Jetronic/Ignition system
K-jetronic injection system
Checking diaphragm pressure switch (engine code:DX and KT 08.84 >)

Note:

  • ◆ On engines with code letters DX and KT the diaphragm pressure switch is fitted as standard 08.84.
  • ◆ On engines with code letters DX and KT up 07.84, or engines with code letters JH and vacuum switch from 08.87 the diaphragm pressure switch can be retroffited, see cold acceleration enrichment =>page 25-57 .
 
U25-0009
  • →      1 =     Diaphragm pressure switch -F93-.
  •      2 =     To vacuum pipe for brake servo (engine code letters DX and KT) or to vacuum switch on intake manifold (engine code letters JH).
 
U25-0009
  • ‒ → Pull connector off diaphragm pressure switch -1-.
  • ‒ Start engine and let it idle.
  • ‒ Measure resistance between contacts with hand multimeter V.A.G 1526 and aux. cables from V.A.G 1594.
  • ‒ Increase speed by quickly Opening the throttle.
         Resistance must drop briefly and then increase to ∞ωagain.

Checking and adjusting idling switch (engine code: DX and KT 08.84 >) > < Checking cold acceleration enrichment (engine code: DX and KT 08.84 >)