seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

ABOUT US
Checking glow plugs > < Checking process

Leon Mk2

Checking glow plug system
Checking glow plug system
Special tools and workshop equipment required
t  Hand multimeter -V.A.G 1526- or multimeter -V.A.G 1715-
t  Adapter set -V.A.G 1594-
Test conditions
l  The battery voltage must be at least 11.5 V.
l  Diesel direct injection system control unit -J248- OK.
l  Glow plug strip fuse -S 164- OK.
Test sequence
   
–  Pull 4-pin connector off coolant temperature sender -G62- with coolant temperature gauge sender -G2--arrow-.
  Note!
Pulling the connector off sender, simulates engine condition “cold” and when switching the ignition on the relevant glow period is carried out.
–  Pull glow plug connector off glow plug.
–  Connect multimeter to measure voltage between a glow plug connector and vehicle earth.
–  Switch on ignition for approx. 20 seconds approx. battery voltage must be displayed.
If no voltage is present:
–  Check wiring for open/short circuit: → Current flow diagrams, Electrical fault finding and Fitting locations
  E23-0010

Checking glow plugs > < Checking process