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Check fuel flow > < Fuel pump (pre-supply pump)G6 - check

Polo Mk4

Check power supply and operation
Check power supply and operation
  Note
In order to carry out this work, it is first necessary to disconnect the Battery -A- earth wire. To do so, first check whether the vehicle is equipped with a coded radio. If so, verify the anti-theft code prior to beginning work.
–  Tilt rear seat forwards.
–  Remove the cover beneath the seat.
–  Briefly operate the Starter -B...-. The Fuel pump (pre-supply pump) -G6- operation must be heard for approximately 1 second.
If the Fuel pump (pre-supply pump) -G6- does not work:
–  Turn ignition off.
–  Remove fuse holder cover.
–  Remove fuse 41 from the (Fuel pump (pre-supply pump) -G6-) fuse holder.
   
–  Connect the Remote control -VAG 1348/3A- andAdapter cable -VAG 1348/3-2- to the right contact of fuse 41a for activating the Fuel pump (pre-supply pump) -G6- and to the positive terminal of Battery -A- (+).
–  Activate the Remote control -VAG 1348/3A-.
If theFuel pump (pre-supply pump) -G6- works:
–  Check the activation of the Fuel pump (pre-supply pump) -J17- relay according → Current flow diagrams, Electrical fault finding and Fitting locationsto the Control system for relay-controlled current circuits -VAG 1466A-.
If the Fuel pump (pre-supply pump) -G6- does not work:
–  Decouple the 4-pole connector for theFuel pump (pre-supply pump) -G6-
  N20-0513
–  Couple the Test probe or VAG 1527B -EQ 7300- using the Auxiliary cables -VAG 1594A- to the connector outer contacts.
–  Activate the Remote control -VAG 1348/3A-. The LED should light up.
If the LED does not light up:
–  Locate and eliminate cable interruption, according to → Current flow diagrams, Electrical fault finding and Fitting locations.
If the LED lights up (correct power supply):
  N20-0244
–  Remove nut fastening the Fuel pump (pre-supply pump) -G6- using the Wrench or VW 5321/7 -3217-.
–  Check if the cables are coupled to the Fuel pump (pre-supply pump) -G6-.
In case there is no cable interruption:
–  Fuel pump (pre-supply pump) -G6- - damaged, replace it → Chapter.
  A20-0106

Check fuel flow > < Fuel pump (pre-supply pump)G6 - check